import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

2026-09-08 16:58:38 +09:00 · 2018-01-19 03:59:58 +08:00 · 2018-01-19 03:59:58 +08:00 · dcd9973243
commit dcd9973243
150858 changed files with 23884658 additions and 0 deletions
--- a/devtools/client/webconsole/new-console-output/test/.eslintrc.js
+++ b/devtools/client/webconsole/new-console-output/test/.eslintrc.js
@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = {
+  "extends": ["../../../../.eslintrc.xpcshell.js"]
+};
--- a/devtools/client/webconsole/new-console-output/test/chrome/chrome.ini
+++ b/devtools/client/webconsole/new-console-output/test/chrome/chrome.ini
@ -0,0 +1,7 @@
+[DEFAULT]
+
+support-files =
+  head.js
+
+[test_render_perf.html]
+skip-if = true # Bug 1306783
--- a/devtools/client/webconsole/new-console-output/test/chrome/head.js
+++ b/devtools/client/webconsole/new-console-output/test/chrome/head.js
@ -0,0 +1,16 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+var { utils: Cu } = Components;
+
+var { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
+var { Assert } = require("resource://testing-common/Assert.jsm");
+var { BrowserLoader } = Cu.import("resource://devtools/client/shared/browser-loader.js", {});
+var { Task } = require("devtools/shared/task");
+
+var { require: browserRequire } = BrowserLoader({
+  baseURI: "resource://devtools/client/webconsole/",
+  window
+});
--- a/devtools/client/webconsole/new-console-output/test/chrome/test_render_perf.html
+++ b/devtools/client/webconsole/new-console-output/test/chrome/test_render_perf.html
@ -0,0 +1,90 @@
+<!DOCTYPE HTML>
+<html lang="en">
+<head>
+  <meta charset="utf8">
+  <title>Test for getRepeatId()</title>
+  <script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="application/javascript;version=1.8" src="head.js"></script>
+  <!-- Any copyright is dedicated to the Public Domain.
+     - http://creativecommons.org/publicdomain/zero/1.0/ -->
+</head>
+<body>
+<p>Test for render perf</p>
+<div id="output"></div>
+
+<script type="text/javascript;version=1.8">
+const testPackets = [];
+const numMessages = 1000;
+for (let id = 0; id < numMessages; id++) {
+  let message = "Odd text";
+  if (id % 2 === 0) {
+    message = "Even text";
+  }
+  testPackets.push({
+    "from": "server1.conn4.child1/consoleActor2",
+    "type": "consoleAPICall",
+    "message": {
+      "arguments": [
+        "foobar",
+        message,
+        id
+      ],
+      "columnNumber": 1,
+      "counter": null,
+      "filename": "file:///test.html",
+      "functionName": "",
+      "groupName": "",
+      "level": "log",
+      "lineNumber": 1,
+      "private": false,
+      "styles": [],
+      "timeStamp": 1455064271115 + id,
+      "timer": null,
+      "workerType": "none",
+      "category": "webdev"
+    }
+  });
+}
+
+function timeit(cb) {
+  // Return a Promise that resolves the number of seconds cb takes.
+  return new Promise(resolve => {
+    let start = performance.now();
+    cb();
+    let elapsed = performance.now() - start;
+    resolve(elapsed / 1000);
+  });
+}
+
+window.onload = Task.async(function* () {
+  const { configureStore } = browserRequire("devtools/client/webconsole/new-console-output/store");
+  const { filterTextSet, filtersClear } = browserRequire("devtools/client/webconsole/new-console-output/actions/index");
+  const NewConsoleOutputWrapper = browserRequire("devtools/client/webconsole/new-console-output/new-console-output-wrapper");
+  const wrapper = new NewConsoleOutputWrapper(document.querySelector("#output"), {});
+
+  const store = configureStore();
+
+  let time = yield timeit(() => {
+    testPackets.forEach((message) => {
+      wrapper.dispatchMessageAdd(message);
+    });
+  });
+  info("took " + time + " seconds to render messages");
+
+  time = yield timeit(() => {
+    store.dispatch(filterTextSet("Odd text"));
+  });
+  info("took " + time + " seconds to search filter half the messages");
+
+  time = yield timeit(() => {
+    store.dispatch(filtersClear());
+  });
+  info("took " + time + " seconds to clear the filter");
+
+  ok(true, "Yay, it didn't time out!");
+
+  SimpleTest.finish();
+});
+</script>
+</body>
+</html>
--- a/devtools/client/webconsole/new-console-output/test/components/console-api-call.test.js
+++ b/devtools/client/webconsole/new-console-output/test/components/console-api-call.test.js
@ -0,0 +1,230 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test utils.
+const expect = require("expect");
+const { render, mount } = require("enzyme");
+const sinon = require("sinon");
+
+// React
+const { createFactory } = require("devtools/client/shared/vendor/react");
+const Provider = createFactory(require("react-redux").Provider);
+const { setupStore } = require("devtools/client/webconsole/new-console-output/test/helpers");
+
+// Components under test.
+const ConsoleApiCall = createFactory(require("devtools/client/webconsole/new-console-output/components/message-types/console-api-call"));
+const {
+  MESSAGE_OPEN,
+  MESSAGE_CLOSE,
+} = require("devtools/client/webconsole/new-console-output/constants");
+const { INDENT_WIDTH } = require("devtools/client/webconsole/new-console-output/components/message-indent");
+
+// Test fakes.
+const { stubPreparedMessages } = require("devtools/client/webconsole/new-console-output/test/fixtures/stubs/index");
+const serviceContainer = require("devtools/client/webconsole/new-console-output/test/fixtures/serviceContainer");
+
+const tempfilePath = "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js";
+
+describe("ConsoleAPICall component:", () => {
+  describe("console.log", () => {
+    it("renders string grips", () => {
+      const message = stubPreparedMessages.get("console.log('foobar', 'test')");
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer }));
+
+      expect(wrapper.find(".message-body").text()).toBe("foobar test");
+      expect(wrapper.find(".objectBox-string").length).toBe(2);
+      expect(wrapper.find("div.message.cm-s-mozilla span span.message-flex-body span.message-body.devtools-monospace").length).toBe(1);
+
+      // There should be the location
+      const locationLink = wrapper.find(`.message-location`);
+      expect(locationLink.length).toBe(1);
+      expect(locationLink.text()).toBe("test-tempfile.js:1:27");
+    });
+
+    it("renders string grips with custom style", () => {
+      const message = stubPreparedMessages.get("console.log(%cfoobar)");
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer }));
+
+      const elements = wrapper.find(".objectBox-string");
+      expect(elements.text()).toBe("foobar");
+      expect(elements.length).toBe(2);
+
+      const firstElementStyle = elements.eq(0).prop("style");
+      // Allowed styles are applied accordingly on the first element.
+      expect(firstElementStyle.color).toBe(`blue`);
+      expect(firstElementStyle["font-size"]).toBe(`1.3em`);
+      // Forbidden styles are not applied.
+      expect(firstElementStyle["background-image"]).toBe(undefined);
+      expect(firstElementStyle.position).toBe(undefined);
+      expect(firstElementStyle.top).toBe(undefined);
+
+      const secondElementStyle = elements.eq(1).prop("style");
+      // Allowed styles are applied accordingly on the second element.
+      expect(secondElementStyle.color).toBe(`red`);
+      // Forbidden styles are not applied.
+      expect(secondElementStyle.background).toBe(undefined);
+    });
+
+    it("renders repeat node", () => {
+      const message =
+        stubPreparedMessages.get("console.log('foobar', 'test')")
+        .set("repeat", 107);
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer }));
+
+      expect(wrapper.find(".message-repeats").text()).toBe("107");
+      expect(wrapper.find(".message-repeats").prop("title")).toBe("107 repeats");
+
+      expect(wrapper.find("span > span.message-flex-body > span.message-body.devtools-monospace + span.message-repeats").length).toBe(1);
+    });
+
+    it("has the expected indent", () => {
+      const message = stubPreparedMessages.get("console.log('foobar', 'test')");
+
+      const indent = 10;
+      let wrapper = render(ConsoleApiCall({ message, serviceContainer, indent }));
+      expect(wrapper.find(".indent").prop("style").width)
+        .toBe(`${indent * INDENT_WIDTH}px`);
+
+      wrapper = render(ConsoleApiCall({ message, serviceContainer}));
+      expect(wrapper.find(".indent").prop("style").width).toBe(`0`);
+    });
+  });
+
+  describe("console.count", () => {
+    it("renders", () => {
+      const message = stubPreparedMessages.get("console.count('bar')");
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer }));
+
+      expect(wrapper.find(".message-body").text()).toBe("bar: 1");
+    });
+  });
+
+  describe("console.assert", () => {
+    it("renders", () => {
+      const message = stubPreparedMessages.get("console.assert(false, {message: 'foobar'})");
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer }));
+
+      expect(wrapper.find(".message-body").text()).toBe("Assertion failed: Object { message: \"foobar\" }");
+    });
+  });
+
+  describe("console.time", () => {
+    it("does not show anything", () => {
+      const message = stubPreparedMessages.get("console.time('bar')");
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer }));
+
+      expect(wrapper.find(".message-body").text()).toBe("");
+    });
+  });
+
+  describe("console.timeEnd", () => {
+    it("renders as expected", () => {
+      const message = stubPreparedMessages.get("console.timeEnd('bar')");
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer }));
+
+      expect(wrapper.find(".message-body").text()).toBe(message.messageText);
+      expect(wrapper.find(".message-body").text()).toMatch(/^bar: \d+(\.\d+)?ms$/);
+    });
+  });
+
+  describe("console.trace", () => {
+    it("renders", () => {
+      const message = stubPreparedMessages.get("console.trace()");
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer, open: true }));
+      const filepath = `${tempfilePath}`;
+
+      expect(wrapper.find(".message-body").text()).toBe("console.trace()");
+
+      const frameLinks = wrapper.find(`.stack-trace span.frame-link[data-url='${filepath}']`);
+      expect(frameLinks.length).toBe(3);
+
+      expect(frameLinks.eq(0).find(".frame-link-function-display-name").text()).toBe("testStacktraceFiltering");
+      expect(frameLinks.eq(0).find(".frame-link-filename").text()).toBe(filepath);
+
+      expect(frameLinks.eq(1).find(".frame-link-function-display-name").text()).toBe("foo");
+      expect(frameLinks.eq(1).find(".frame-link-filename").text()).toBe(filepath);
+
+      expect(frameLinks.eq(2).find(".frame-link-function-display-name").text()).toBe("triggerPacket");
+      expect(frameLinks.eq(2).find(".frame-link-filename").text()).toBe(filepath);
+
+      //it should not be collapsible.
+      expect(wrapper.find(`.theme-twisty`).length).toBe(0);
+    });
+  });
+
+  describe("console.group", () => {
+    it("renders", () => {
+      const message = stubPreparedMessages.get("console.group('bar')");
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer, open: true }));
+
+      expect(wrapper.find(".message-body").text()).toBe(message.messageText);
+      expect(wrapper.find(".theme-twisty.open").length).toBe(1);
+    });
+
+    it("toggle the group when the collapse button is clicked", () => {
+      const store = setupStore([]);
+      store.dispatch = sinon.spy();
+      const message = stubPreparedMessages.get("console.group('bar')");
+
+      let wrapper = mount(Provider({store},
+        ConsoleApiCall({
+          message,
+          open: true,
+          dispatch: store.dispatch,
+          serviceContainer,
+        })
+      ));
+      wrapper.find(".theme-twisty.open").simulate("click");
+      let call = store.dispatch.getCall(0);
+      expect(call.args[0]).toEqual({
+        id: message.id,
+        type: MESSAGE_CLOSE
+      });
+
+      wrapper = mount(Provider({store},
+        ConsoleApiCall({
+          message,
+          open: false,
+          dispatch: store.dispatch,
+          serviceContainer,
+        })
+      ));
+      wrapper.find(".theme-twisty").simulate("click");
+      call = store.dispatch.getCall(1);
+      expect(call.args[0]).toEqual({
+        id: message.id,
+        type: MESSAGE_OPEN
+      });
+    });
+  });
+
+  describe("console.groupEnd", () => {
+    it("does not show anything", () => {
+      const message = stubPreparedMessages.get("console.groupEnd('bar')");
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer }));
+
+      expect(wrapper.find(".message-body").text()).toBe("");
+    });
+  });
+
+  describe("console.groupCollapsed", () => {
+    it("renders", () => {
+      const message = stubPreparedMessages.get("console.groupCollapsed('foo')");
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer, open: false}));
+
+      expect(wrapper.find(".message-body").text()).toBe(message.messageText);
+      expect(wrapper.find(".theme-twisty:not(.open)").length).toBe(1);
+    });
+  });
+
+  describe("console.dirxml", () => {
+    it("renders", () => {
+      const message = stubPreparedMessages.get("console.dirxml(window)");
+      const wrapper = render(ConsoleApiCall({ message, serviceContainer }));
+
+      expect(wrapper.find(".message-body").text())
+        .toBe("Window http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-console-api.html");
+    });
+  });
+});
--- a/devtools/client/webconsole/new-console-output/test/components/evaluation-result.test.js
+++ b/devtools/client/webconsole/new-console-output/test/components/evaluation-result.test.js
@ -0,0 +1,84 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test utils.
+const expect = require("expect");
+const { render, mount } = require("enzyme");
+const sinon = require("sinon");
+
+// React
+const { createFactory } = require("devtools/client/shared/vendor/react");
+const Provider = createFactory(require("react-redux").Provider);
+const { setupStore } = require("devtools/client/webconsole/new-console-output/test/helpers");
+
+// Components under test.
+const EvaluationResult = createFactory(require("devtools/client/webconsole/new-console-output/components/message-types/evaluation-result"));
+const { INDENT_WIDTH } = require("devtools/client/webconsole/new-console-output/components/message-indent");
+
+// Test fakes.
+const { stubPreparedMessages } = require("devtools/client/webconsole/new-console-output/test/fixtures/stubs/index");
+const serviceContainer = require("devtools/client/webconsole/new-console-output/test/fixtures/serviceContainer");
+
+describe("EvaluationResult component:", () => {
+  it("renders a grip result", () => {
+    const message = stubPreparedMessages.get("new Date(0)");
+    const wrapper = render(EvaluationResult({ message }));
+
+    expect(wrapper.find(".message-body").text()).toBe("Date 1970-01-01T00:00:00.000Z");
+
+    expect(wrapper.find(".message.log").length).toBe(1);
+  });
+
+  it("renders an error", () => {
+    const message = stubPreparedMessages.get("asdf()");
+    const wrapper = render(EvaluationResult({ message }));
+
+    expect(wrapper.find(".message-body").text())
+      .toBe("ReferenceError: asdf is not defined[Learn More]");
+
+    expect(wrapper.find(".message.error").length).toBe(1);
+  });
+
+  it("displays a [Learn more] link", () => {
+    const store = setupStore([]);
+
+    const message = stubPreparedMessages.get("asdf()");
+
+    serviceContainer.openLink = sinon.spy();
+    const wrapper = mount(Provider({store},
+      EvaluationResult({message, serviceContainer})
+    ));
+
+    const url =
+      "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Errors/Not_defined";
+    const learnMore = wrapper.find(".learn-more-link");
+    expect(learnMore.length).toBe(1);
+    expect(learnMore.prop("title")).toBe(url);
+
+    learnMore.simulate("click");
+    let call = serviceContainer.openLink.getCall(0);
+    expect(call.args[0]).toEqual(message.exceptionDocURL);
+  });
+
+  it("has the expected indent", () => {
+    const message = stubPreparedMessages.get("new Date(0)");
+
+    const indent = 10;
+    let wrapper = render(EvaluationResult({ message, indent}));
+    expect(wrapper.find(".indent").prop("style").width)
+        .toBe(`${indent * INDENT_WIDTH}px`);
+
+    wrapper = render(EvaluationResult({ message}));
+    expect(wrapper.find(".indent").prop("style").width).toBe(`0`);
+  });
+
+  it("has location information", () => {
+    const message = stubPreparedMessages.get("1 + @");
+    const wrapper = render(EvaluationResult({ message }));
+
+    const locationLink = wrapper.find(`.message-location`);
+    expect(locationLink.length).toBe(1);
+    expect(locationLink.text()).toBe("debugger eval code:1:4");
+  });
+});
--- a/devtools/client/webconsole/new-console-output/test/components/filter-bar.test.js
+++ b/devtools/client/webconsole/new-console-output/test/components/filter-bar.test.js
@ -0,0 +1,96 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+const expect = require("expect");
+const sinon = require("sinon");
+const { render, mount } = require("enzyme");
+
+const { createFactory } = require("devtools/client/shared/vendor/react");
+const Provider = createFactory(require("react-redux").Provider);
+
+const FilterButton = createFactory(require("devtools/client/webconsole/new-console-output/components/filter-button"));
+const FilterBar = createFactory(require("devtools/client/webconsole/new-console-output/components/filter-bar"));
+const { getAllUi } = require("devtools/client/webconsole/new-console-output/selectors/ui");
+const {
+  MESSAGES_CLEAR,
+  MESSAGE_LEVEL
+} = require("devtools/client/webconsole/new-console-output/constants");
+
+const { setupStore } = require("devtools/client/webconsole/new-console-output/test/helpers");
+const serviceContainer = require("devtools/client/webconsole/new-console-output/test/fixtures/serviceContainer");
+
+describe("FilterBar component:", () => {
+  it("initial render", () => {
+    const store = setupStore([]);
+
+    const wrapper = render(Provider({store}, FilterBar({ serviceContainer })));
+    const toolbar = wrapper.find(
+      ".devtools-toolbar.webconsole-filterbar-primary"
+    );
+
+    // Clear button
+    expect(toolbar.children().eq(0).attr("class"))
+      .toBe("devtools-button devtools-clear-icon");
+    expect(toolbar.children().eq(0).attr("title")).toBe("Clear output");
+
+    // Filter bar toggle
+    expect(toolbar.children().eq(1).attr("class"))
+      .toBe("devtools-button devtools-filter-icon");
+    expect(toolbar.children().eq(1).attr("title")).toBe("Toggle filter bar");
+
+    // Text filter
+    expect(toolbar.children().eq(2).attr("class")).toBe("devtools-plaininput text-filter");
+    expect(toolbar.children().eq(2).attr("placeholder")).toBe("Filter output");
+    expect(toolbar.children().eq(2).attr("type")).toBe("search");
+    expect(toolbar.children().eq(2).attr("value")).toBe("");
+  });
+
+  it("displays filter bar when button is clicked", () => {
+    const store = setupStore([]);
+
+    expect(getAllUi(store.getState()).filterBarVisible).toBe(false);
+
+    const wrapper = mount(Provider({store}, FilterBar({ serviceContainer })));
+    wrapper.find(".devtools-filter-icon").simulate("click");
+
+    expect(getAllUi(store.getState()).filterBarVisible).toBe(true);
+
+    // Buttons are displayed
+    const buttonProps = {
+      active: true,
+      dispatch: store.dispatch
+    };
+    const logButton = FilterButton(Object.assign({}, buttonProps,
+      { label: "Logs", filterKey: MESSAGE_LEVEL.LOG }));
+    const debugButton = FilterButton(Object.assign({}, buttonProps,
+      { label: "Debug", filterKey: MESSAGE_LEVEL.DEBUG }));
+    const infoButton = FilterButton(Object.assign({}, buttonProps,
+      { label: "Info", filterKey: MESSAGE_LEVEL.INFO }));
+    const warnButton = FilterButton(Object.assign({}, buttonProps,
+      { label: "Warnings", filterKey: MESSAGE_LEVEL.WARN }));
+    const errorButton = FilterButton(Object.assign({}, buttonProps,
+      { label: "Errors", filterKey: MESSAGE_LEVEL.ERROR }));
+    expect(wrapper.contains([errorButton, warnButton, logButton, infoButton, debugButton])).toBe(true);
+  });
+
+  it("fires MESSAGES_CLEAR action when clear button is clicked", () => {
+    const store = setupStore([]);
+    store.dispatch = sinon.spy();
+
+    const wrapper = mount(Provider({store}, FilterBar({ serviceContainer })));
+    wrapper.find(".devtools-clear-icon").simulate("click");
+    const call = store.dispatch.getCall(0);
+    expect(call.args[0]).toEqual({
+      type: MESSAGES_CLEAR
+    });
+  });
+
+  it("sets filter text when text is typed", () => {
+    const store = setupStore([]);
+
+    const wrapper = mount(Provider({store}, FilterBar({ serviceContainer })));
+    wrapper.find(".devtools-plaininput").simulate("input", { target: { value: "a" } });
+    expect(store.getState().filters.text).toBe("a");
+  });
+});
--- a/devtools/client/webconsole/new-console-output/test/components/filter-button.test.js
+++ b/devtools/client/webconsole/new-console-output/test/components/filter-button.test.js
@ -0,0 +1,34 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+const expect = require("expect");
+const { render } = require("enzyme");
+
+const { createFactory } = require("devtools/client/shared/vendor/react");
+
+const FilterButton = createFactory(require("devtools/client/webconsole/new-console-output/components/filter-button"));
+const { MESSAGE_LEVEL } = require("devtools/client/webconsole/new-console-output/constants");
+
+describe("FilterButton component:", () => {
+  const props = {
+    active: true,
+    label: "Error",
+    filterKey: MESSAGE_LEVEL.ERROR,
+  };
+
+  it("displays as active when turned on", () => {
+    const wrapper = render(FilterButton(props));
+    expect(wrapper.html()).toBe(
+      "<button class=\"menu-filter-button error checked\">Error</button>"
+    );
+  });
+
+  it("displays as inactive when turned off", () => {
+    const inactiveProps = Object.assign({}, props, { active: false });
+    const wrapper = render(FilterButton(inactiveProps));
+    expect(wrapper.html()).toBe(
+      "<button class=\"menu-filter-button error\">Error</button>"
+    );
+  });
+});
--- a/devtools/client/webconsole/new-console-output/test/components/message-container.test.js
+++ b/devtools/client/webconsole/new-console-output/test/components/message-container.test.js
@ -0,0 +1,54 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test utils.
+const expect = require("expect");
+const {
+  renderComponent,
+  shallowRenderComponent
+} = require("devtools/client/webconsole/new-console-output/test/helpers");
+
+// Components under test.
+const { MessageContainer } = require("devtools/client/webconsole/new-console-output/components/message-container");
+const ConsoleApiCall = require("devtools/client/webconsole/new-console-output/components/message-types/console-api-call");
+const EvaluationResult = require("devtools/client/webconsole/new-console-output/components/message-types/evaluation-result");
+const PageError = require("devtools/client/webconsole/new-console-output/components/message-types/page-error");
+
+// Test fakes.
+const { stubPreparedMessages } = require("devtools/client/webconsole/new-console-output/test/fixtures/stubs/index");
+const serviceContainer = require("devtools/client/webconsole/new-console-output/test/fixtures/serviceContainer");
+
+describe("MessageContainer component:", () => {
+  it("pipes data to children as expected", () => {
+    const message = stubPreparedMessages.get("console.log('foobar', 'test')");
+    const rendered = renderComponent(MessageContainer, {message, serviceContainer});
+
+    expect(rendered.textContent.includes("foobar")).toBe(true);
+  });
+  it("picks correct child component", () => {
+    const messageTypes = [
+      {
+        component: ConsoleApiCall,
+        message: stubPreparedMessages.get("console.log('foobar', 'test')")
+      },
+      {
+        component: EvaluationResult,
+        message: stubPreparedMessages.get("new Date(0)")
+      },
+      {
+        component: PageError,
+        message: stubPreparedMessages.get("ReferenceError: asdf is not defined")
+      }
+    ];
+
+    messageTypes.forEach(info => {
+      const { component, message } = info;
+      const rendered = shallowRenderComponent(MessageContainer, {
+        message,
+        serviceContainer,
+      });
+      expect(rendered.type).toBe(component);
+    });
+  });
+});
--- a/devtools/client/webconsole/new-console-output/test/components/message-icon.test.js
+++ b/devtools/client/webconsole/new-console-output/test/components/message-icon.test.js
@ -0,0 +1,23 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+const {
+  MESSAGE_LEVEL,
+} = require("devtools/client/webconsole/new-console-output/constants");
+const MessageIcon = require("devtools/client/webconsole/new-console-output/components/message-icon");
+
+const expect = require("expect");
+
+const {
+  renderComponent
+} = require("devtools/client/webconsole/new-console-output/test/helpers");
+
+describe("MessageIcon component:", () => {
+  it("renders icon based on level", () => {
+    const rendered = renderComponent(MessageIcon, { level: MESSAGE_LEVEL.ERROR });
+
+    expect(rendered.classList.contains("icon")).toBe(true);
+    expect(rendered.getAttribute("title")).toBe("Error");
+  });
+});
--- a/devtools/client/webconsole/new-console-output/test/components/message-repeat.test.js
+++ b/devtools/client/webconsole/new-console-output/test/components/message-repeat.test.js
@ -0,0 +1,25 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+const MessageRepeat = require("devtools/client/webconsole/new-console-output/components/message-repeat");
+
+const expect = require("expect");
+
+const {
+  renderComponent
+} = require("devtools/client/webconsole/new-console-output/test/helpers");
+
+describe("MessageRepeat component:", () => {
+  it("renders repeated value correctly", () => {
+    const rendered = renderComponent(MessageRepeat, { repeat: 99 });
+    expect(rendered.classList.contains("message-repeats")).toBe(true);
+    expect(rendered.style.visibility).toBe("visible");
+    expect(rendered.textContent).toBe("99");
+  });
+
+  it("renders an un-repeated value correctly", () => {
+    const rendered = renderComponent(MessageRepeat, { repeat: 1 });
+    expect(rendered.style.visibility).toBe("hidden");
+  });
+});
--- a/devtools/client/webconsole/new-console-output/test/components/network-event-message.test.js
+++ b/devtools/client/webconsole/new-console-output/test/components/network-event-message.test.js
@ -0,0 +1,74 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test utils.
+const expect = require("expect");
+const { render } = require("enzyme");
+
+// React
+const { createFactory } = require("devtools/client/shared/vendor/react");
+
+// Components under test.
+const NetworkEventMessage = createFactory(require("devtools/client/webconsole/new-console-output/components/message-types/network-event-message"));
+const { INDENT_WIDTH } = require("devtools/client/webconsole/new-console-output/components/message-indent");
+
+// Test fakes.
+const { stubPreparedMessages } = require("devtools/client/webconsole/new-console-output/test/fixtures/stubs/index");
+const serviceContainer = require("devtools/client/webconsole/new-console-output/test/fixtures/serviceContainer");
+
+const EXPECTED_URL = "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/inexistent.html";
+
+describe("NetworkEventMessage component:", () => {
+  describe("GET request", () => {
+    it("renders as expected", () => {
+      const message = stubPreparedMessages.get("GET request");
+      const wrapper = render(NetworkEventMessage({ message, serviceContainer }));
+
+      expect(wrapper.find(".message-body .method").text()).toBe("GET");
+      expect(wrapper.find(".message-body .xhr").length).toBe(0);
+      expect(wrapper.find(".message-body .url").length).toBe(1);
+      expect(wrapper.find(".message-body .url").text()).toBe(EXPECTED_URL);
+      expect(wrapper.find("div.message.cm-s-mozilla span.message-body.devtools-monospace").length).toBe(1);
+    });
+
+    it("has the expected indent", () => {
+      const message = stubPreparedMessages.get("GET request");
+
+      const indent = 10;
+      let wrapper = render(NetworkEventMessage({ message, serviceContainer, indent}));
+      expect(wrapper.find(".indent").prop("style").width)
+        .toBe(`${indent * INDENT_WIDTH}px`);
+
+      wrapper = render(NetworkEventMessage({ message, serviceContainer }));
+      expect(wrapper.find(".indent").prop("style").width).toBe(`0`);
+    });
+  });
+
+  describe("XHR GET request", () => {
+    it("renders as expected", () => {
+      const message = stubPreparedMessages.get("XHR GET request");
+      const wrapper = render(NetworkEventMessage({ message, serviceContainer }));
+
+      expect(wrapper.find(".message-body .method").text()).toBe("GET");
+      expect(wrapper.find(".message-body .xhr").length).toBe(1);
+      expect(wrapper.find(".message-body .xhr").text()).toBe("XHR");
+      expect(wrapper.find(".message-body .url").text()).toBe(EXPECTED_URL);
+      expect(wrapper.find("div.message.cm-s-mozilla span.message-body.devtools-monospace").length).toBe(1);
+    });
+  });
+
+  describe("XHR POST request", () => {
+    it("renders as expected", () => {
+      const message = stubPreparedMessages.get("XHR POST request");
+      const wrapper = render(NetworkEventMessage({ message, serviceContainer }));
+
+      expect(wrapper.find(".message-body .method").text()).toBe("POST");
+      expect(wrapper.find(".message-body .xhr").length).toBe(1);
+      expect(wrapper.find(".message-body .xhr").text()).toBe("XHR");
+      expect(wrapper.find(".message-body .url").length).toBe(1);
+      expect(wrapper.find(".message-body .url").text()).toBe(EXPECTED_URL);
+      expect(wrapper.find("div.message.cm-s-mozilla span.message-body.devtools-monospace").length).toBe(1);
+    });
+  });
+});
--- a/devtools/client/webconsole/new-console-output/test/components/page-error.test.js
+++ b/devtools/client/webconsole/new-console-output/test/components/page-error.test.js
@ -0,0 +1,126 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test utils.
+const expect = require("expect");
+const { render, mount } = require("enzyme");
+const sinon = require("sinon");
+
+// React
+const { createFactory } = require("devtools/client/shared/vendor/react");
+const Provider = createFactory(require("react-redux").Provider);
+const { setupStore } = require("devtools/client/webconsole/new-console-output/test/helpers");
+
+// Components under test.
+const PageError = require("devtools/client/webconsole/new-console-output/components/message-types/page-error");
+const {
+  MESSAGE_OPEN,
+  MESSAGE_CLOSE,
+} = require("devtools/client/webconsole/new-console-output/constants");
+const { INDENT_WIDTH } = require("devtools/client/webconsole/new-console-output/components/message-indent");
+
+// Test fakes.
+const { stubPreparedMessages } = require("devtools/client/webconsole/new-console-output/test/fixtures/stubs/index");
+const serviceContainer = require("devtools/client/webconsole/new-console-output/test/fixtures/serviceContainer");
+
+describe("PageError component:", () => {
+  it("renders", () => {
+    const message = stubPreparedMessages.get("ReferenceError: asdf is not defined");
+    const wrapper = render(PageError({ message, serviceContainer }));
+
+    expect(wrapper.find(".message-body").text())
+      .toBe("ReferenceError: asdf is not defined[Learn More]");
+
+    // The stacktrace should be closed by default.
+    const frameLinks = wrapper.find(`.stack-trace`);
+    expect(frameLinks.length).toBe(0);
+
+    // There should be the location.
+    const locationLink = wrapper.find(`.message-location`);
+    expect(locationLink.length).toBe(1);
+    // @TODO Will likely change. See https://github.com/devtools-html/gecko-dev/issues/285
+    expect(locationLink.text()).toBe("test-tempfile.js:3:5");
+  });
+
+  it("displays a [Learn more] link", () => {
+    const store = setupStore([]);
+
+    const message = stubPreparedMessages.get("ReferenceError: asdf is not defined");
+
+    serviceContainer.openLink = sinon.spy();
+    const wrapper = mount(Provider({store},
+      PageError({message, serviceContainer})
+    ));
+
+    // There should be a [Learn more] link.
+    const url =
+      "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Errors/Not_defined";
+    const learnMore = wrapper.find(".learn-more-link");
+    expect(learnMore.length).toBe(1);
+    expect(learnMore.prop("title")).toBe(url);
+
+    learnMore.simulate("click");
+    let call = serviceContainer.openLink.getCall(0);
+    expect(call.args[0]).toEqual(message.exceptionDocURL);
+  });
+
+  it("has a stacktrace which can be openned", () => {
+    const message = stubPreparedMessages.get("ReferenceError: asdf is not defined");
+    const wrapper = render(PageError({ message, serviceContainer, open: true }));
+
+    // There should be a collapse button.
+    expect(wrapper.find(".theme-twisty.open").length).toBe(1);
+
+    // There should be three stacktrace items.
+    const frameLinks = wrapper.find(`.stack-trace span.frame-link`);
+    expect(frameLinks.length).toBe(3);
+  });
+
+  it("toggle the stacktrace when the collapse button is clicked", () => {
+    const store = setupStore([]);
+    store.dispatch = sinon.spy();
+    const message = stubPreparedMessages.get("ReferenceError: asdf is not defined");
+
+    let wrapper = mount(Provider({store},
+      PageError({
+        message,
+        open: true,
+        dispatch: store.dispatch,
+        serviceContainer,
+      })
+    ));
+    wrapper.find(".theme-twisty.open").simulate("click");
+    let call = store.dispatch.getCall(0);
+    expect(call.args[0]).toEqual({
+      id: message.id,
+      type: MESSAGE_CLOSE
+    });
+
+    wrapper = mount(Provider({store},
+      PageError({
+        message,
+        open: false,
+        dispatch: store.dispatch,
+        serviceContainer,
+      })
+    ));
+    wrapper.find(".theme-twisty").simulate("click");
+    call = store.dispatch.getCall(1);
+    expect(call.args[0]).toEqual({
+      id: message.id,
+      type: MESSAGE_OPEN
+    });
+  });
+
+  it("has the expected indent", () => {
+    const message = stubPreparedMessages.get("ReferenceError: asdf is not defined");
+    const indent = 10;
+    let wrapper = render(PageError({ message, serviceContainer, indent}));
+    expect(wrapper.find(".indent").prop("style").width)
+        .toBe(`${indent * INDENT_WIDTH}px`);
+
+    wrapper = render(PageError({ message, serviceContainer}));
+    expect(wrapper.find(".indent").prop("style").width).toBe(`0`);
+  });
+});
--- a/devtools/client/webconsole/new-console-output/test/fixtures/L10n.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/L10n.js
@ -0,0 +1,27 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// @TODO Load the actual strings from webconsole.properties instead.
+class L10n {
+  getStr(str) {
+    switch (str) {
+      case "level.error":
+        return "Error";
+      case "consoleCleared":
+        return "Console was cleared.";
+      case "webConsoleXhrIndicator":
+        return "XHR";
+      case "webConsoleMoreInfoLabel":
+        return "Learn More";
+    }
+    return str;
+  }
+
+  getFormatStr(str) {
+    return this.getStr(str);
+  }
+}
+
+module.exports = L10n;
--- a/devtools/client/webconsole/new-console-output/test/fixtures/LocalizationHelper.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/LocalizationHelper.js
@ -0,0 +1,10 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const LocalizationHelper = require("devtools/client/webconsole/new-console-output/test/fixtures/L10n");
+
+module.exports = {
+  LocalizationHelper
+};
--- a/devtools/client/webconsole/new-console-output/test/fixtures/ObjectClient.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/ObjectClient.js
@ -0,0 +1,9 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+class ObjectClient {
+}
+
+module.exports = ObjectClient;
--- a/devtools/client/webconsole/new-console-output/test/fixtures/PluralForm.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/PluralForm.js
@ -0,0 +1,18 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+module.exports = {
+  PluralForm: {
+    get: function (occurence, str) {
+      // @TODO Remove when loading the actual strings from webconsole.properties
+      // is done in the L10n fixture.
+      if (str === "messageRepeats.tooltip2") {
+        return `${occurence} repeats`;
+      }
+
+      return str;
+    }
+  }
+};
--- a/devtools/client/webconsole/new-console-output/test/fixtures/Services.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/Services.js
@ -0,0 +1,27 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const { PREFS } = require("devtools/client/webconsole/new-console-output/constants");
+
+module.exports = {
+  prefs: {
+    getIntPref: pref => {
+      switch (pref) {
+        case "devtools.hud.loglimit":
+          return 1000;
+      }
+    },
+    getBoolPref: pref => {
+      const falsey = [
+        PREFS.FILTER.NET,
+        PREFS.FILTER.NETXHR,
+        PREFS.UI.FILTER_BAR,
+      ];
+      return !falsey.includes(pref);
+    },
+    setBoolPref: () => {},
+    clearUserPref: () => {},
+  }
+};
--- a/devtools/client/webconsole/new-console-output/test/fixtures/WebConsoleUtils.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/WebConsoleUtils.js
@ -0,0 +1,14 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const L10n = require("devtools/client/webconsole/new-console-output/test/fixtures/L10n");
+
+const Utils = {
+  L10n
+};
+
+module.exports = {
+  Utils
+};
--- a/devtools/client/webconsole/new-console-output/test/fixtures/moz.build
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/moz.build
@ -0,0 +1,9 @@
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+DIRS += [
+    'stub-generators',
+    'stubs'
+]
--- a/devtools/client/webconsole/new-console-output/test/fixtures/serviceContainer.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/serviceContainer.js
@ -0,0 +1,17 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+module.exports = {
+  attachRefToHud: () => {},
+  emitNewMessage: () => {},
+  hudProxyClient: {},
+  onViewSourceInDebugger: () => {},
+  openNetworkPanel: () => {},
+  sourceMapService: {
+    subscribe: () => {},
+  },
+  openLink: () => {},
+  createElement: tagName => document.createElement(tagName)
+};
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser.ini
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser.ini
@ -0,0 +1,18 @@
+[DEFAULT]
+tags = devtools
+subsuite = devtools
+support-files =
+  head.js
+  !/devtools/client/framework/test/shared-head.js
+  test-console-api.html
+  test-network-event.html
+  test-tempfile.js
+
+[browser_webconsole_update_stubs_console_api.js]
+skip-if=true # This is only used to update stubs. It is not an actual test.
+[browser_webconsole_update_stubs_evaluation_result.js]
+skip-if=true # This is only used to update stubs. It is not an actual test.
+[browser_webconsole_update_stubs_network_event.js]
+skip-if=true # This is only used to update stubs. It is not an actual test.
+[browser_webconsole_update_stubs_page_error.js]
+skip-if=true # This is only used to update stubs. It is not an actual test.
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser_webconsole_update_stubs_console_api.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser_webconsole_update_stubs_console_api.js
@ -0,0 +1,56 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+requestLongerTimeout(2)
+
+Cu.import("resource://gre/modules/osfile.jsm");
+const { consoleApi: snippets } = require("devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/stub-snippets.js");
+
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-console-api.html";
+
+let stubs = {
+  preparedMessages: [],
+  packets: [],
+};
+
+add_task(function* () {
+  for (var [key, {keys, code}] of snippets) {
+    yield OS.File.writeAtomic(TEMP_FILE_PATH, `function triggerPacket() {${code}}`);
+
+    let toolbox = yield openNewTabAndToolbox(TEST_URI, "webconsole");
+    let {ui} = toolbox.getCurrentPanel().hud;
+
+    ok(ui.jsterm, "jsterm exists");
+    ok(ui.newConsoleOutput, "newConsoleOutput exists");
+
+    let received = new Promise(resolve => {
+      let i = 0;
+      let listener = (type, res) => {
+        stubs.packets.push(formatPacket(keys[i], res));
+        stubs.preparedMessages.push(formatStub(keys[i], res));
+        if(++i === keys.length ){
+          toolbox.target.client.removeListener("consoleAPICall", listener);
+          resolve();
+        }
+      };
+      toolbox.target.client.addListener("consoleAPICall", listener);
+    });
+
+    yield ContentTask.spawn(gBrowser.selectedBrowser, key, function(key) {
+      var script = content.document.createElement("script");
+      script.src = "test-tempfile.js?key=" + encodeURIComponent(key);
+      script.onload = function() { content.wrappedJSObject.triggerPacket(); }
+      content.document.body.appendChild(script);
+    });
+
+    yield received;
+
+    yield closeTabAndToolbox();
+  }
+  let filePath = OS.Path.join(`${BASE_PATH}/stubs`, "consoleApi.js");
+  OS.File.writeAtomic(filePath, formatFile(stubs));
+  OS.File.writeAtomic(TEMP_FILE_PATH, "");
+});
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser_webconsole_update_stubs_evaluation_result.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser_webconsole_update_stubs_evaluation_result.js
@ -0,0 +1,32 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://gre/modules/osfile.jsm");
+const TEST_URI = "data:text/html;charset=utf-8,stub generation";
+
+const { evaluationResult: snippets} = require("devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/stub-snippets.js");
+
+let stubs = {
+  preparedMessages: [],
+  packets: [],
+};
+
+add_task(function* () {
+  let toolbox = yield openNewTabAndToolbox(TEST_URI, "webconsole");
+  ok(true, "make the test not fail");
+
+  for (var [code,key] of snippets) {
+    const packet = yield new Promise(resolve => {
+      toolbox.target.activeConsole.evaluateJS(code, resolve);
+    });
+    stubs.packets.push(formatPacket(key, packet));
+    stubs.preparedMessages.push(formatStub(key, packet));
+  }
+
+  let filePath = OS.Path.join(`${BASE_PATH}/stubs`, "evaluationResult.js");
+  OS.File.writeAtomic(filePath, formatFile(stubs));
+});
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser_webconsole_update_stubs_network_event.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser_webconsole_update_stubs_network_event.js
@ -0,0 +1,47 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://gre/modules/osfile.jsm");
+const TARGET = "networkEvent";
+const { [TARGET]: snippets } = require("devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/stub-snippets.js");
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-network-event.html";
+
+let stubs = {
+  preparedMessages: [],
+  packets: [],
+};
+
+add_task(function* () {
+  for (var [key, {keys, code}] of snippets) {
+    OS.File.writeAtomic(TEMP_FILE_PATH, `function triggerPacket() {${code}}`);
+    let toolbox = yield openNewTabAndToolbox(TEST_URI, "webconsole");
+    let {ui} = toolbox.getCurrentPanel().hud;
+
+    ok(ui.jsterm, "jsterm exists");
+    ok(ui.newConsoleOutput, "newConsoleOutput exists");
+
+    let received = new Promise(resolve => {
+      let i = 0;
+      toolbox.target.client.addListener(TARGET, (type, res) => {
+        stubs.packets.push(formatPacket(keys[i], res));
+        stubs.preparedMessages.push(formatNetworkStub(keys[i], res));
+        if(++i === keys.length ){
+          resolve();
+        }
+      });
+    });
+
+    yield ContentTask.spawn(gBrowser.selectedBrowser, {}, function() {
+      content.wrappedJSObject.triggerPacket();
+    });
+
+    yield received;
+  }
+  let filePath = OS.Path.join(`${BASE_PATH}/stubs/${TARGET}.js`);
+  OS.File.writeAtomic(filePath, formatFile(stubs));
+  OS.File.writeAtomic(TEMP_FILE_PATH, "");
+});
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser_webconsole_update_stubs_page_error.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser_webconsole_update_stubs_page_error.js
@ -0,0 +1,48 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://gre/modules/osfile.jsm");
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-console-api.html";
+
+const { pageError: snippets} = require("devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/stub-snippets.js");
+
+let stubs = {
+  preparedMessages: [],
+  packets: [],
+};
+
+add_task(function* () {
+  let toolbox = yield openNewTabAndToolbox(TEST_URI, "webconsole");
+  ok(true, "make the test not fail");
+
+  for (var [key,code] of snippets) {
+    OS.File.writeAtomic(TEMP_FILE_PATH, `${code}`);
+    let received = new Promise(resolve => {
+      toolbox.target.client.addListener("pageError", function onPacket(e, packet) {
+        toolbox.target.client.removeListener("pageError", onPacket);
+        info("Received page error:" + e + " " + JSON.stringify(packet, null, "\t"));
+
+        let message = prepareMessage(packet, {getNextId: () => 1});
+        stubs.packets.push(formatPacket(message.messageText, packet));
+        stubs.preparedMessages.push(formatStub(message.messageText, packet));
+        resolve();
+      });
+    });
+
+    yield ContentTask.spawn(gBrowser.selectedBrowser, key, function(key) {
+      var script = content.document.createElement("script");
+      script.src = "test-tempfile.js?key=" + encodeURIComponent(key);
+      content.document.body.appendChild(script);
+    });
+
+    yield received;
+  }
+
+  let filePath = OS.Path.join(`${BASE_PATH}/stubs`, "pageError.js");
+  OS.File.writeAtomic(filePath, formatFile(stubs));
+  OS.File.writeAtomic(TEMP_FILE_PATH, "");
+});
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/head.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/head.js
@ -0,0 +1,192 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+/* import-globals-from ../../../../framework/test/shared-head.js */
+
+"use strict";
+
+// shared-head.js handles imports, constants, and utility functions
+// Load the shared-head file first.
+Services.scriptloader.loadSubScript(
+  "chrome://mochitests/content/browser/devtools/client/framework/test/shared-head.js",
+  this);
+
+Services.prefs.setBoolPref("devtools.webconsole.new-frontend-enabled", true);
+registerCleanupFunction(() => {
+  Services.prefs.clearUserPref("devtools.webconsole.new-frontend-enabled");
+});
+
+const { prepareMessage } = require("devtools/client/webconsole/new-console-output/utils/messages");
+const { stubPackets } = require("devtools/client/webconsole/new-console-output/test/fixtures/stubs/index.js");
+
+const BASE_PATH = "../../../../devtools/client/webconsole/new-console-output/test/fixtures";
+const TEMP_FILE_PATH = OS.Path.join(`${BASE_PATH}/stub-generators`, "test-tempfile.js");
+
+let cachedPackets = {};
+
+function getCleanedPacket(key, packet) {
+  if(Object.keys(cachedPackets).includes(key)) {
+    return cachedPackets[key];
+  }
+
+  // Strip escaped characters.
+  let safeKey = key
+    .replace(/\\n/g, "\n")
+    .replace(/\\r/g, "\r")
+    .replace(/\\\"/g, `\"`)
+    .replace(/\\\'/g, `\'`);
+
+  // If the stub already exist, we want to ignore irrelevant properties
+  // (actor, timeStamp, timer, ...) that might changed and "pollute"
+  // the diff resulting from this stub generation.
+  let res;
+  if(stubPackets.has(safeKey)) {
+
+    let existingPacket = stubPackets.get(safeKey);
+    res = Object.assign({}, packet, {
+      from: existingPacket.from
+    });
+
+    // Clean root timestamp.
+    if(res.timestamp) {
+      res.timestamp = existingPacket.timestamp;
+    }
+
+    if (res.message) {
+      // Clean timeStamp on the message prop.
+      res.message.timeStamp = existingPacket.message.timeStamp;
+      if (res.message.timer) {
+        // Clean timer properties on the message.
+        // Those properties are found on console.time and console.timeEnd calls,
+        // and those time can vary, which is why we need to clean them.
+        if (res.message.timer.started) {
+          res.message.timer.started = existingPacket.message.timer.started;
+        }
+        if (res.message.timer.duration) {
+          res.message.timer.duration = existingPacket.message.timer.duration;
+        }
+      }
+
+      if(Array.isArray(res.message.arguments)) {
+        // Clean actor ids on each message.arguments item.
+        res.message.arguments.forEach((argument, i) => {
+          if (argument && argument.actor) {
+            argument.actor = existingPacket.message.arguments[i].actor;
+          }
+        });
+      }
+    }
+
+    if (res.result) {
+      // Clean actor ids on evaluation result messages.
+      res.result.actor = existingPacket.result.actor;
+      if (res.result.preview) {
+        if(res.result.preview.timestamp) {
+          // Clean timestamp there too.
+          res.result.preview.timestamp = existingPacket.result.preview.timestamp;
+        }
+      }
+    }
+
+    if (res.exception) {
+      // Clean actor ids on exception messages.
+      res.exception.actor = existingPacket.exception.actor;
+      if (res.exception.preview) {
+        if(res.exception.preview.timestamp) {
+          // Clean timestamp there too.
+          res.exception.preview.timestamp = existingPacket.exception.preview.timestamp;
+        }
+      }
+    }
+
+    if (res.eventActor) {
+      // Clean actor ids, timeStamp and startedDateTime on network messages.
+      res.eventActor.actor = existingPacket.eventActor.actor;
+      res.eventActor.startedDateTime = existingPacket.eventActor.startedDateTime;
+      res.eventActor.timeStamp = existingPacket.eventActor.timeStamp;
+    }
+
+    if (res.pageError) {
+      // Clean timeStamp on pageError messages.
+      res.pageError.timeStamp = existingPacket.pageError.timeStamp;
+    }
+
+  } else {
+    res = packet;
+  }
+
+  cachedPackets[key] = res;
+  return res;
+}
+
+function formatPacket(key, packet) {
+  return `
+stubPackets.set("${key}", ${JSON.stringify(getCleanedPacket(key, packet), null, "\t")});
+`;
+}
+
+function formatStub(key, packet) {
+  let prepared = prepareMessage(
+    getCleanedPacket(key, packet),
+    {getNextId: () => "1"}
+  );
+
+  return `
+stubPreparedMessages.set("${key}", new ConsoleMessage(${JSON.stringify(prepared, null, "\t")}));
+`;
+}
+
+function formatNetworkStub(key, packet) {
+  let actor = packet.eventActor;
+  let networkInfo = {
+    _type: "NetworkEvent",
+    timeStamp: actor.timeStamp,
+    node: null,
+    actor: actor.actor,
+    discardRequestBody: true,
+    discardResponseBody: true,
+    startedDateTime: actor.startedDateTime,
+    request: {
+      url: actor.url,
+      method: actor.method,
+    },
+    isXHR: actor.isXHR,
+    cause: actor.cause,
+    response: {},
+    timings: {},
+    // track the list of network event updates
+    updates: [],
+    private: actor.private,
+    fromCache: actor.fromCache,
+    fromServiceWorker: actor.fromServiceWorker
+  };
+  let prepared = prepareMessage(networkInfo, {getNextId: () => "1"});
+  return `
+stubPreparedMessages.set("${key}", new NetworkEventMessage(${JSON.stringify(prepared, null, "\t")}));
+`;
+}
+
+function formatFile(stubs) {
+  return `/* Any copyright is dedicated to the Public Domain.
+  http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/*
+ * THIS FILE IS AUTOGENERATED. DO NOT MODIFY BY HAND. RUN TESTS IN FIXTURES/ TO UPDATE.
+ */
+
+const { ConsoleMessage, NetworkEventMessage } = require("devtools/client/webconsole/new-console-output/types");
+
+let stubPreparedMessages = new Map();
+let stubPackets = new Map();
+
+${stubs.preparedMessages.join("")}
+${stubs.packets.join("")}
+
+module.exports = {
+  stubPreparedMessages,
+  stubPackets,
+}`;
+}
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/moz.build
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/moz.build
@ -0,0 +1,8 @@
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+DevToolsModules(
+    'stub-snippets.js',
+)
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/stub-snippets.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/stub-snippets.js
@ -0,0 +1,148 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+var {DebuggerServer} = require("devtools/server/main");
+var longString = (new Array(DebuggerServer.LONG_STRING_LENGTH + 4)).join("a");
+var initialString = longString.substring(0, DebuggerServer.LONG_STRING_INITIAL_LENGTH);
+
+// Console API
+
+const consoleApiCommands = [
+  "console.log('foobar', 'test')",
+  "console.log(undefined)",
+  "console.warn('danger, will robinson!')",
+  "console.log(NaN)",
+  "console.log(null)",
+  "console.log('\u9f2c')",
+  "console.clear()",
+  "console.count('bar')",
+  "console.assert(false, {message: 'foobar'})",
+  "console.log('hello \\nfrom \\rthe \\\"string world!')",
+  "console.log('\xFA\u1E47\u0129\xE7\xF6d\xEA \u021B\u0115\u0219\u0165')",
+  "console.dirxml(window)",
+];
+
+let consoleApi = new Map(consoleApiCommands.map(
+  cmd => [cmd, {keys: [cmd], code: cmd}]));
+
+consoleApi.set("console.trace()", {
+  keys: ["console.trace()"],
+  code: `
+function testStacktraceFiltering() {
+  console.trace()
+}
+function foo() {
+  testStacktraceFiltering()
+}
+
+foo()
+`});
+
+consoleApi.set("console.time('bar')", {
+  keys: ["console.time('bar')", "console.timeEnd('bar')"],
+  code: `
+console.time("bar");
+console.timeEnd("bar");
+`});
+
+consoleApi.set("console.table('bar')", {
+  keys: ["console.table('bar')"],
+  code: `
+console.table('bar');
+`});
+
+consoleApi.set("console.table(['a', 'b', 'c'])", {
+  keys: ["console.table(['a', 'b', 'c'])"],
+  code: `
+console.table(['a', 'b', 'c']);
+`});
+
+consoleApi.set("console.group('bar')", {
+  keys: ["console.group('bar')", "console.groupEnd('bar')"],
+  code: `
+console.group("bar");
+console.groupEnd("bar");
+`});
+
+consoleApi.set("console.groupCollapsed('foo')", {
+  keys: ["console.groupCollapsed('foo')", "console.groupEnd('foo')"],
+  code: `
+console.groupCollapsed("foo");
+console.groupEnd("foo");
+`});
+
+consoleApi.set("console.group()", {
+  keys: ["console.group()", "console.groupEnd()"],
+  code: `
+console.group();
+console.groupEnd();
+`});
+
+consoleApi.set("console.log(%cfoobar)", {
+  keys: ["console.log(%cfoobar)"],
+  code: `
+console.log(
+  "%cfoo%cbar",
+  "color:blue;font-size:1.3em;background:url('http://example.com/test');position:absolute;top:10px",
+  "color:red;background:\\165rl('http://example.com/test')");
+`});
+
+// Evaluation Result
+const evaluationResultCommands = [
+  "new Date(0)",
+  "asdf()",
+  "1 + @"
+];
+
+let evaluationResult = new Map(evaluationResultCommands.map(cmd => [cmd, cmd]));
+
+// Network Event
+
+let networkEvent = new Map();
+
+networkEvent.set("GET request", {
+  keys: ["GET request"],
+  code: `
+let i = document.createElement("img");
+i.src = "inexistent.html";
+`});
+
+networkEvent.set("XHR GET request", {
+  keys: ["XHR GET request"],
+  code: `
+const xhr = new XMLHttpRequest();
+xhr.open("GET", "inexistent.html");
+xhr.send();
+`});
+
+networkEvent.set("XHR POST request", {
+  keys: ["XHR POST request"],
+  code: `
+const xhr = new XMLHttpRequest();
+xhr.open("POST", "inexistent.html");
+xhr.send();
+`});
+
+// Page Error
+
+let pageError = new Map();
+
+pageError.set("Reference Error", `
+  function bar() {
+    asdf()
+  }
+  function foo() {
+    bar()
+  }
+
+  foo()
+`);
+
+module.exports = {
+  consoleApi,
+  evaluationResult,
+  networkEvent,
+  pageError,
+};
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-console-api.html
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-console-api.html
@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Stub generator</title>
+  </head>
+  <body>
+    <p>Stub generator</p>
+    <script src="test-tempfile.js"></script>
+  </body>
+</html>
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-network-event.html
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-network-event.html
@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Stub generator for network event</title>
+  </head>
+  <body>
+    <p>Stub generator for network event</p>
+    <script src="test-tempfile.js"></script>
+  </body>
+</html>
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stubs/consoleApi.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stubs/consoleApi.js
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stubs/evaluationResult.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stubs/evaluationResult.js
@ -0,0 +1,182 @@
+/* Any copyright is dedicated to the Public Domain.
+  http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/*
+ * THIS FILE IS AUTOGENERATED. DO NOT MODIFY BY HAND. RUN TESTS IN FIXTURES/ TO UPDATE.
+ */
+
+const { ConsoleMessage, NetworkEventMessage } = require("devtools/client/webconsole/new-console-output/types");
+
+let stubPreparedMessages = new Map();
+let stubPackets = new Map();
+
+
+stubPreparedMessages.set("new Date(0)", new ConsoleMessage({
+	"id": "1",
+	"allowRepeating": true,
+	"source": "javascript",
+	"type": "result",
+	"level": "log",
+	"parameters": {
+		"type": "object",
+		"actor": "server1.conn0.child1/obj30",
+		"class": "Date",
+		"extensible": true,
+		"frozen": false,
+		"sealed": false,
+		"ownPropertyLength": 0,
+		"preview": {
+			"timestamp": 0
+		}
+	},
+	"repeat": 1,
+	"repeatId": "{\"id\":null,\"allowRepeating\":true,\"source\":\"javascript\",\"type\":\"result\",\"level\":\"log\",\"parameters\":{\"type\":\"object\",\"actor\":\"server1.conn0.child1/obj30\",\"class\":\"Date\",\"extensible\":true,\"frozen\":false,\"sealed\":false,\"ownPropertyLength\":0,\"preview\":{\"timestamp\":0}},\"repeatId\":null,\"stacktrace\":null,\"frame\":null,\"groupId\":null,\"userProvidedStyles\":null}",
+	"stacktrace": null,
+	"frame": null,
+	"groupId": null,
+	"userProvidedStyles": null
+}));
+
+stubPreparedMessages.set("asdf()", new ConsoleMessage({
+	"id": "1",
+	"allowRepeating": true,
+	"source": "javascript",
+	"type": "result",
+	"level": "error",
+	"messageText": "ReferenceError: asdf is not defined",
+	"parameters": {
+		"type": "undefined"
+	},
+	"repeat": 1,
+	"repeatId": "{\"id\":null,\"allowRepeating\":true,\"source\":\"javascript\",\"type\":\"result\",\"level\":\"error\",\"messageText\":\"ReferenceError: asdf is not defined\",\"parameters\":{\"type\":\"undefined\"},\"repeatId\":null,\"stacktrace\":null,\"frame\":{\"source\":\"debugger eval code\",\"line\":1,\"column\":1},\"groupId\":null,\"exceptionDocURL\":\"https://developer.mozilla.org/docs/Web/JavaScript/Reference/Errors/Not_defined?utm_source=mozilla&utm_medium=firefox-console-errors&utm_campaign=default\",\"userProvidedStyles\":null}",
+	"stacktrace": null,
+	"frame": {
+		"source": "debugger eval code",
+		"line": 1,
+		"column": 1
+	},
+	"groupId": null,
+	"exceptionDocURL": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Errors/Not_defined?utm_source=mozilla&utm_medium=firefox-console-errors&utm_campaign=default",
+	"userProvidedStyles": null
+}));
+
+stubPreparedMessages.set("1 + @", new ConsoleMessage({
+	"id": "1",
+	"allowRepeating": true,
+	"source": "javascript",
+	"type": "result",
+	"level": "error",
+	"messageText": "SyntaxError: illegal character",
+	"parameters": {
+		"type": "undefined"
+	},
+	"repeat": 1,
+	"repeatId": "{\"id\":null,\"allowRepeating\":true,\"source\":\"javascript\",\"type\":\"result\",\"level\":\"error\",\"messageText\":\"SyntaxError: illegal character\",\"parameters\":{\"type\":\"undefined\"},\"repeatId\":null,\"stacktrace\":null,\"frame\":{\"source\":\"debugger eval code\",\"line\":1,\"column\":4},\"groupId\":null,\"userProvidedStyles\":null}",
+	"stacktrace": null,
+	"frame": {
+		"source": "debugger eval code",
+		"line": 1,
+		"column": 4
+	},
+	"groupId": null,
+	"userProvidedStyles": null
+}));
+
+
+stubPackets.set("new Date(0)", {
+	"from": "server1.conn0.child1/consoleActor2",
+	"input": "new Date(0)",
+	"result": {
+		"type": "object",
+		"actor": "server1.conn0.child1/obj30",
+		"class": "Date",
+		"extensible": true,
+		"frozen": false,
+		"sealed": false,
+		"ownPropertyLength": 0,
+		"preview": {
+			"timestamp": 0
+		}
+	},
+	"timestamp": 1476573073424,
+	"exception": null,
+	"frame": null,
+	"helperResult": null
+});
+
+stubPackets.set("asdf()", {
+	"from": "server1.conn0.child1/consoleActor2",
+	"input": "asdf()",
+	"result": {
+		"type": "undefined"
+	},
+	"timestamp": 1476573073442,
+	"exception": {
+		"type": "object",
+		"actor": "server1.conn0.child1/obj32",
+		"class": "Error",
+		"extensible": true,
+		"frozen": false,
+		"sealed": false,
+		"ownPropertyLength": 4,
+		"preview": {
+			"kind": "Error",
+			"name": "ReferenceError",
+			"message": "asdf is not defined",
+			"stack": "@debugger eval code:1:1\n",
+			"fileName": "debugger eval code",
+			"lineNumber": 1,
+			"columnNumber": 1
+		}
+	},
+	"exceptionMessage": "ReferenceError: asdf is not defined",
+	"exceptionDocURL": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Errors/Not_defined?utm_source=mozilla&utm_medium=firefox-console-errors&utm_campaign=default",
+	"frame": {
+		"source": "debugger eval code",
+		"line": 1,
+		"column": 1
+	},
+	"helperResult": null
+});
+
+stubPackets.set("1 + @", {
+	"from": "server1.conn0.child1/consoleActor2",
+	"input": "1 + @",
+	"result": {
+		"type": "undefined"
+	},
+	"timestamp": 1478755616654,
+	"exception": {
+		"type": "object",
+		"actor": "server1.conn0.child1/obj33",
+		"class": "Error",
+		"extensible": true,
+		"frozen": false,
+		"sealed": false,
+		"ownPropertyLength": 4,
+		"preview": {
+			"kind": "Error",
+			"name": "SyntaxError",
+			"message": "illegal character",
+			"stack": "",
+			"fileName": "debugger eval code",
+			"lineNumber": 1,
+			"columnNumber": 4
+		}
+	},
+	"exceptionMessage": "SyntaxError: illegal character",
+	"frame": {
+		"source": "debugger eval code",
+		"line": 1,
+		"column": 4
+	},
+	"helperResult": null
+});
+
+
+module.exports = {
+  stubPreparedMessages,
+  stubPackets,
+}
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stubs/index.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stubs/index.js
@ -0,0 +1,29 @@
+/* Any copyright is dedicated to the Public Domain.
+  http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+let maps = [];
+
+[
+  "consoleApi",
+  "evaluationResult",
+  "networkEvent",
+  "pageError",
+].forEach((filename) => {
+  maps[filename] = require(`./${filename}`);
+});
+
+// Combine all the maps into a single map.
+module.exports = {
+    stubPreparedMessages: new Map([
+      ...maps.consoleApi.stubPreparedMessages,
+      ...maps.evaluationResult.stubPreparedMessages,
+      ...maps.networkEvent.stubPreparedMessages,
+      ...maps.pageError.stubPreparedMessages, ]),
+    stubPackets: new Map([
+      ...maps.consoleApi.stubPackets,
+      ...maps.evaluationResult.stubPackets,
+      ...maps.networkEvent.stubPackets,
+      ...maps.pageError.stubPackets, ]),
+};
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stubs/moz.build
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stubs/moz.build
@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+DevToolsModules(
+  'consoleApi.js',
+  'evaluationResult.js',
+  'index.js',
+  'networkEvent.js',
+  'pageError.js',
+)
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stubs/networkEvent.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stubs/networkEvent.js
@ -0,0 +1,189 @@
+/* Any copyright is dedicated to the Public Domain.
+  http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/*
+ * THIS FILE IS AUTOGENERATED. DO NOT MODIFY BY HAND. RUN TESTS IN FIXTURES/ TO UPDATE.
+ */
+
+const { ConsoleMessage, NetworkEventMessage } = require("devtools/client/webconsole/new-console-output/types");
+
+let stubPreparedMessages = new Map();
+let stubPackets = new Map();
+
+
+stubPreparedMessages.set("GET request", new NetworkEventMessage({
+	"id": "1",
+	"actor": "server1.conn0.child1/netEvent29",
+	"level": "log",
+	"isXHR": false,
+	"request": {
+		"url": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/inexistent.html",
+		"method": "GET"
+	},
+	"response": {},
+	"source": "network",
+	"type": "log",
+	"groupId": null
+}));
+
+stubPreparedMessages.set("XHR GET request", new NetworkEventMessage({
+	"id": "1",
+	"actor": "server1.conn1.child1/netEvent29",
+	"level": "log",
+	"isXHR": true,
+	"request": {
+		"url": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/inexistent.html",
+		"method": "GET"
+	},
+	"response": {},
+	"source": "network",
+	"type": "log",
+	"groupId": null
+}));
+
+stubPreparedMessages.set("XHR POST request", new NetworkEventMessage({
+	"id": "1",
+	"actor": "server1.conn2.child1/netEvent29",
+	"level": "log",
+	"isXHR": true,
+	"request": {
+		"url": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/inexistent.html",
+		"method": "POST"
+	},
+	"response": {},
+	"source": "network",
+	"type": "log",
+	"groupId": null
+}));
+
+
+stubPackets.set("GET request", {
+	"from": "server1.conn0.child1/consoleActor2",
+	"type": "networkEvent",
+	"eventActor": {
+		"actor": "server1.conn0.child1/netEvent29",
+		"startedDateTime": "2016-10-15T23:12:04.196Z",
+		"timeStamp": 1476573124196,
+		"url": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/inexistent.html",
+		"method": "GET",
+		"isXHR": false,
+		"cause": {
+			"type": 3,
+			"loadingDocumentUri": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-network-event.html",
+			"stacktrace": [
+				{
+					"filename": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js",
+					"lineNumber": 3,
+					"columnNumber": 1,
+					"functionName": "triggerPacket",
+					"asyncCause": null
+				},
+				{
+					"filename": "chrome://mochikit/content/tests/BrowserTestUtils/content-task.js line 52 > eval",
+					"lineNumber": 4,
+					"columnNumber": 7,
+					"functionName": null,
+					"asyncCause": null
+				},
+				{
+					"filename": "chrome://mochikit/content/tests/BrowserTestUtils/content-task.js",
+					"lineNumber": 53,
+					"columnNumber": 20,
+					"functionName": null,
+					"asyncCause": null
+				}
+			]
+		},
+		"private": false
+	}
+});
+
+stubPackets.set("XHR GET request", {
+	"from": "server1.conn1.child1/consoleActor2",
+	"type": "networkEvent",
+	"eventActor": {
+		"actor": "server1.conn1.child1/netEvent29",
+		"startedDateTime": "2016-10-15T23:12:05.690Z",
+		"timeStamp": 1476573125690,
+		"url": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/inexistent.html",
+		"method": "GET",
+		"isXHR": true,
+		"cause": {
+			"type": 11,
+			"loadingDocumentUri": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-network-event.html",
+			"stacktrace": [
+				{
+					"filename": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js",
+					"lineNumber": 4,
+					"columnNumber": 1,
+					"functionName": "triggerPacket",
+					"asyncCause": null
+				},
+				{
+					"filename": "chrome://mochikit/content/tests/BrowserTestUtils/content-task.js line 52 > eval",
+					"lineNumber": 4,
+					"columnNumber": 7,
+					"functionName": null,
+					"asyncCause": null
+				},
+				{
+					"filename": "chrome://mochikit/content/tests/BrowserTestUtils/content-task.js",
+					"lineNumber": 53,
+					"columnNumber": 20,
+					"functionName": null,
+					"asyncCause": null
+				}
+			]
+		},
+		"private": false
+	}
+});
+
+stubPackets.set("XHR POST request", {
+	"from": "server1.conn2.child1/consoleActor2",
+	"type": "networkEvent",
+	"eventActor": {
+		"actor": "server1.conn2.child1/netEvent29",
+		"startedDateTime": "2016-10-15T23:12:07.158Z",
+		"timeStamp": 1476573127158,
+		"url": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/inexistent.html",
+		"method": "POST",
+		"isXHR": true,
+		"cause": {
+			"type": 11,
+			"loadingDocumentUri": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-network-event.html",
+			"stacktrace": [
+				{
+					"filename": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js",
+					"lineNumber": 4,
+					"columnNumber": 1,
+					"functionName": "triggerPacket",
+					"asyncCause": null
+				},
+				{
+					"filename": "chrome://mochikit/content/tests/BrowserTestUtils/content-task.js line 52 > eval",
+					"lineNumber": 4,
+					"columnNumber": 7,
+					"functionName": null,
+					"asyncCause": null
+				},
+				{
+					"filename": "chrome://mochikit/content/tests/BrowserTestUtils/content-task.js",
+					"lineNumber": 53,
+					"columnNumber": 20,
+					"functionName": null,
+					"asyncCause": null
+				}
+			]
+		},
+		"private": false
+	}
+});
+
+
+module.exports = {
+  stubPreparedMessages,
+  stubPackets,
+}
--- a/devtools/client/webconsole/new-console-output/test/fixtures/stubs/pageError.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stubs/pageError.js
@ -0,0 +1,102 @@
+/* Any copyright is dedicated to the Public Domain.
+  http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/*
+ * THIS FILE IS AUTOGENERATED. DO NOT MODIFY BY HAND. RUN TESTS IN FIXTURES/ TO UPDATE.
+ */
+
+const { ConsoleMessage, NetworkEventMessage } = require("devtools/client/webconsole/new-console-output/types");
+
+let stubPreparedMessages = new Map();
+let stubPackets = new Map();
+
+
+stubPreparedMessages.set("ReferenceError: asdf is not defined", new ConsoleMessage({
+	"id": "1",
+	"allowRepeating": true,
+	"source": "javascript",
+	"type": "log",
+	"level": "error",
+	"messageText": "ReferenceError: asdf is not defined",
+	"parameters": null,
+	"repeat": 1,
+	"repeatId": "{\"id\":null,\"allowRepeating\":true,\"source\":\"javascript\",\"type\":\"log\",\"level\":\"error\",\"messageText\":\"ReferenceError: asdf is not defined\",\"parameters\":null,\"repeatId\":null,\"stacktrace\":[{\"filename\":\"http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error\",\"lineNumber\":3,\"columnNumber\":5,\"functionName\":\"bar\"},{\"filename\":\"http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error\",\"lineNumber\":6,\"columnNumber\":5,\"functionName\":\"foo\"},{\"filename\":\"http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error\",\"lineNumber\":9,\"columnNumber\":3,\"functionName\":null}],\"frame\":{\"source\":\"http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error\",\"line\":3,\"column\":5},\"groupId\":null,\"exceptionDocURL\":\"https://developer.mozilla.org/docs/Web/JavaScript/Reference/Errors/Not_defined?utm_source=mozilla&utm_medium=firefox-console-errors&utm_campaign=default\"}",
+	"stacktrace": [
+		{
+			"filename": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error",
+			"lineNumber": 3,
+			"columnNumber": 5,
+			"functionName": "bar"
+		},
+		{
+			"filename": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error",
+			"lineNumber": 6,
+			"columnNumber": 5,
+			"functionName": "foo"
+		},
+		{
+			"filename": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error",
+			"lineNumber": 9,
+			"columnNumber": 3,
+			"functionName": null
+		}
+	],
+	"frame": {
+		"source": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error",
+		"line": 3,
+		"column": 5
+	},
+	"groupId": null,
+	"exceptionDocURL": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Errors/Not_defined?utm_source=mozilla&utm_medium=firefox-console-errors&utm_campaign=default"
+}));
+
+
+stubPackets.set("ReferenceError: asdf is not defined", {
+	"from": "server1.conn0.child1/consoleActor2",
+	"type": "pageError",
+	"pageError": {
+		"errorMessage": "ReferenceError: asdf is not defined",
+		"errorMessageName": "JSMSG_NOT_DEFINED",
+		"exceptionDocURL": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Errors/Not_defined?utm_source=mozilla&utm_medium=firefox-console-errors&utm_campaign=default",
+		"sourceName": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error",
+		"lineText": "",
+		"lineNumber": 3,
+		"columnNumber": 5,
+		"category": "content javascript",
+		"timeStamp": 1476573167137,
+		"warning": false,
+		"error": false,
+		"exception": true,
+		"strict": false,
+		"info": false,
+		"private": false,
+		"stacktrace": [
+			{
+				"filename": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error",
+				"lineNumber": 3,
+				"columnNumber": 5,
+				"functionName": "bar"
+			},
+			{
+				"filename": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error",
+				"lineNumber": 6,
+				"columnNumber": 5,
+				"functionName": "foo"
+			},
+			{
+				"filename": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-tempfile.js?key=Reference%20Error",
+				"lineNumber": 9,
+				"columnNumber": 3,
+				"functionName": null
+			}
+		]
+	}
+});
+
+
+module.exports = {
+  stubPreparedMessages,
+  stubPackets,
+}
--- a/devtools/client/webconsole/new-console-output/test/helpers.js
+++ b/devtools/client/webconsole/new-console-output/test/helpers.js
@ -0,0 +1,67 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+let ReactDOM = require("devtools/client/shared/vendor/react-dom");
+let React = require("devtools/client/shared/vendor/react");
+var TestUtils = React.addons.TestUtils;
+
+const actions = require("devtools/client/webconsole/new-console-output/actions/index");
+const { configureStore } = require("devtools/client/webconsole/new-console-output/store");
+const { IdGenerator } = require("devtools/client/webconsole/new-console-output/utils/id-generator");
+const { stubPackets } = require("devtools/client/webconsole/new-console-output/test/fixtures/stubs/index");
+
+/**
+ * Prepare actions for use in testing.
+ */
+function setupActions() {
+  // Some actions use dependency injection. This helps them avoid using state in
+  // a hard-to-test way. We need to inject stubbed versions of these dependencies.
+  const wrappedActions = Object.assign({}, actions);
+
+  const idGenerator = new IdGenerator();
+  wrappedActions.messageAdd = (packet) => {
+    return actions.messageAdd(packet, idGenerator);
+  };
+
+  return wrappedActions;
+}
+
+/**
+ * Prepare the store for use in testing.
+ */
+function setupStore(input) {
+  const store = configureStore();
+
+  // Add the messages from the input commands to the store.
+  input.forEach((cmd) => {
+    store.dispatch(actions.messageAdd(stubPackets.get(cmd)));
+  });
+
+  return store;
+}
+
+function renderComponent(component, props) {
+  const el = React.createElement(component, props, {});
+  // By default, renderIntoDocument() won't work for stateless components, but
+  // it will work if the stateless component is wrapped in a stateful one.
+  // See https://github.com/facebook/react/issues/4839
+  const wrappedEl = React.DOM.span({}, [el]);
+  const renderedComponent = TestUtils.renderIntoDocument(wrappedEl);
+  return ReactDOM.findDOMNode(renderedComponent).children[0];
+}
+
+function shallowRenderComponent(component, props) {
+  const el = React.createElement(component, props);
+  const renderer = TestUtils.createRenderer();
+  renderer.render(el, {});
+  return renderer.getRenderOutput();
+}
+
+module.exports = {
+  setupActions,
+  setupStore,
+  renderComponent,
+  shallowRenderComponent
+};
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser.ini
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/browser.ini
@ -0,0 +1,21 @@
+[DEFAULT]
+tags = devtools
+subsuite = devtools
+support-files =
+  head.js
+  test-batching.html
+  test-console.html
+  test-console-filters.html
+  test-console-group.html
+  test-console-table.html
+  !/devtools/client/framework/test/shared-head.js
+
+[browser_webconsole_batching.js]
+[browser_webconsole_console_group.js]
+[browser_webconsole_console_table.js]
+[browser_webconsole_filters.js]
+[browser_webconsole_init.js]
+[browser_webconsole_input_focus.js]
+[browser_webconsole_keyboard_accessibility.js]
+[browser_webconsole_observer_notifications.js]
+[browser_webconsole_vview_close_on_esc_key.js]
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_batching.js
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_batching.js
@ -0,0 +1,51 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Check adding console calls as batch keep the order of the message.
+
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/new-console-output/test/mochitest/test-batching.html";
+const { l10n } = require("devtools/client/webconsole/new-console-output/utils/messages");
+
+add_task(function* () {
+  let hud = yield openNewTabAndConsole(TEST_URI);
+  const messageNumber = 100;
+  yield testSimpleBatchLogging(hud, messageNumber);
+  yield testBatchLoggingAndClear(hud, messageNumber);
+});
+
+function* testSimpleBatchLogging(hud, messageNumber) {
+  yield ContentTask.spawn(gBrowser.selectedBrowser, messageNumber,
+    function (numMessages) {
+      content.wrappedJSObject.batchLog(numMessages);
+    }
+  );
+
+  for (let i = 0; i < messageNumber; i++) {
+    let node = yield waitFor(() => findMessageAtIndex(hud, i, i));
+    is(node.textContent, i.toString(), `message at index "${i}" is the expected one`);
+  }
+}
+
+function* testBatchLoggingAndClear(hud, messageNumber) {
+  yield ContentTask.spawn(gBrowser.selectedBrowser, messageNumber,
+    function (numMessages) {
+      content.wrappedJSObject.batchLogAndClear(numMessages);
+    }
+  );
+  yield waitFor(() => findMessage(hud, l10n.getStr("consoleCleared")));
+  ok(true, "console cleared message is displayed");
+
+  // Passing the text argument as an empty string will returns all the message,
+  // whatever their content is.
+  const messages = findMessages(hud, "");
+  is(messages.length, 1, "console was cleared as expected");
+}
+
+function findMessageAtIndex(hud, text, index) {
+  const selector = `.message:nth-of-type(${index + 1}) .message-body`;
+  return findMessage(hud, text, selector);
+}
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_console_group.js
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_console_group.js
@ -0,0 +1,91 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Check console.group, console.groupCollapsed and console.groupEnd calls
+// behave as expected.
+
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/new-console-output/test/mochitest/test-console-group.html";
+const { INDENT_WIDTH } = require("devtools/client/webconsole/new-console-output/components/message-indent");
+
+add_task(function* () {
+  let toolbox = yield openNewTabAndToolbox(TEST_URI, "webconsole");
+  let hud = toolbox.getCurrentPanel().hud;
+
+  const store = hud.ui.newConsoleOutput.getStore();
+  // Adding loggin each time the store is modified in order to check
+  // the store state in case of failure.
+  store.subscribe(() => {
+    const messages = store.getState().messages.messagesById.toJS()
+      .map(message => {
+        return {
+          id: message.id,
+          type: message.type,
+          parameters: message.parameters,
+          messageText: message.messageText
+        };
+      }
+    );
+    info("messages : " + JSON.stringify(messages));
+  });
+
+  yield ContentTask.spawn(gBrowser.selectedBrowser, null, function () {
+    content.wrappedJSObject.doLog();
+  });
+
+  info("Test a group at root level");
+  let node = yield waitFor(() => findMessage(hud, "group-1"));
+  testClass(node, "startGroup");
+  testIndent(node, 0);
+
+  info("Test a message in a 1 level deep group");
+  node = yield waitFor(() => findMessage(hud, "log-1"));
+  testClass(node, "log");
+  testIndent(node, 1);
+
+  info("Test a group in a 1 level deep group");
+  node = yield waitFor(() => findMessage(hud, "group-2"));
+  testClass(node, "startGroup");
+  testIndent(node, 1);
+
+  info("Test a message in a 2 level deep group");
+  node = yield waitFor(() => findMessage(hud, "log-2"));
+  testClass(node, "log");
+  testIndent(node, 2);
+
+  info("Test a message in a 1 level deep group, after closing a 2 level deep group");
+  node = yield waitFor(() => findMessage(hud, "log-3"));
+  testClass(node, "log");
+  testIndent(node, 1);
+
+  info("Test a message at root level, after closing all the groups");
+  node = yield waitFor(() => findMessage(hud, "log-4"));
+  testClass(node, "log");
+  testIndent(node, 0);
+
+  info("Test a collapsed group at root level");
+  node = yield waitFor(() => findMessage(hud, "group-3"));
+  testClass(node, "startGroupCollapsed");
+  testIndent(node, 0);
+
+  info("Test a message at root level, after closing a collapsed group");
+  node = yield waitFor(() => findMessage(hud, "log-6"));
+  testClass(node, "log");
+  testIndent(node, 0);
+
+  let nodes = hud.ui.experimentalOutputNode.querySelectorAll(".message");
+  is(nodes.length, 8, "expected number of messages are displayed");
+});
+
+function testClass(node, className) {
+  ok(node.classList.contains(className), `message has the expected "${className}" class`);
+}
+
+function testIndent(node, indent) {
+  indent = `${indent * INDENT_WIDTH}px`;
+  is(node.querySelector(".indent").style.width, indent,
+    "message has the expected level of indentation");
+}
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_console_table.js
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_console_table.js
@ -0,0 +1,173 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Check console.table calls with all the test cases shown
+// in the MDN doc (https://developer.mozilla.org/en-US/docs/Web/API/Console/table)
+
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/new-console-output/test/mochitest/test-console-table.html";
+
+add_task(function* () {
+  let toolbox = yield openNewTabAndToolbox(TEST_URI, "webconsole");
+  let hud = toolbox.getCurrentPanel().hud;
+
+  function Person(firstName, lastName) {
+    this.firstName = firstName;
+    this.lastName = lastName;
+  }
+
+  const testCases = [{
+    info: "Testing when data argument is an array",
+    input: ["apples", "oranges", "bananas"],
+    expected: {
+      columns: ["(index)", "Values"],
+      rows: [
+        ["0", "apples"],
+        ["1", "oranges"],
+        ["2", "bananas"],
+      ]
+    }
+  }, {
+    info: "Testing when data argument is an object",
+    input: new Person("John", "Smith"),
+    expected: {
+      columns: ["(index)", "Values"],
+      rows: [
+        ["firstName", "John"],
+        ["lastName", "Smith"],
+      ]
+    }
+  }, {
+    info: "Testing when data argument is an array of arrays",
+    input: [["Jane", "Doe"], ["Emily", "Jones"]],
+    expected: {
+      columns: ["(index)", "0", "1"],
+      rows: [
+        ["0", "Jane", "Doe"],
+        ["1", "Emily", "Jones"],
+      ]
+    }
+  }, {
+    info: "Testing when data argument is an array of objects",
+    input: [
+      new Person("Jack", "Foo"),
+      new Person("Emma", "Bar"),
+      new Person("Michelle", "Rax"),
+    ],
+    expected: {
+      columns: ["(index)", "firstName", "lastName"],
+      rows: [
+        ["0", "Jack", "Foo"],
+        ["1", "Emma", "Bar"],
+        ["2", "Michelle", "Rax"],
+      ]
+    }
+  }, {
+    info: "Testing when data argument is an object whose properties are objects",
+    input: {
+      father: new Person("Darth", "Vader"),
+      daughter: new Person("Leia", "Organa"),
+      son: new Person("Luke", "Skywalker"),
+    },
+    expected: {
+      columns: ["(index)", "firstName", "lastName"],
+      rows: [
+        ["father", "Darth", "Vader"],
+        ["daughter", "Leia", "Organa"],
+        ["son", "Luke", "Skywalker"],
+      ]
+    }
+  }, {
+    info: "Testing when data argument is a Set",
+    input: new Set(["a", "b", "c"]),
+    expected: {
+      columns: ["(iteration index)", "Values"],
+      rows: [
+        ["0", "a"],
+        ["1", "b"],
+        ["2", "c"],
+      ]
+    }
+  }, {
+    info: "Testing when data argument is a Map",
+    input: new Map([["key-a", "value-a"], ["key-b", "value-b"]]),
+    expected: {
+      columns: ["(iteration index)", "Key", "Values"],
+      rows: [
+        ["0", "key-a", "value-a"],
+        ["1", "key-b", "value-b"],
+      ]
+    }
+  }, {
+    info: "Testing restricting the columns displayed",
+    input: [
+      new Person("Sam", "Wright"),
+      new Person("Elena", "Bartz"),
+    ],
+    headers: ["firstName"],
+    expected: {
+      columns: ["(index)", "firstName"],
+      rows: [
+        ["0", "Sam"],
+        ["1", "Elena"],
+      ]
+    }
+  }];
+
+  yield ContentTask.spawn(gBrowser.selectedBrowser, testCases, function (tests) {
+    tests.forEach((test) => {
+      content.wrappedJSObject.doConsoleTable(test.input, test.headers);
+    });
+  });
+
+  let nodes = [];
+  for (let testCase of testCases) {
+    let node = yield waitFor(
+      () => findConsoleTable(hud.ui.experimentalOutputNode, testCases.indexOf(testCase))
+    );
+    nodes.push(node);
+  }
+
+  let consoleTableNodes = hud.ui.experimentalOutputNode.querySelectorAll(
+    ".message .new-consoletable");
+
+  is(consoleTableNodes.length, testCases.length,
+    "console has the expected number of consoleTable items");
+
+  testCases.forEach((testCase, index) => {
+    info(testCase.info);
+
+    let node = nodes[index];
+    let columns = Array.from(node.querySelectorAll("thead th"));
+    let rows = Array.from(node.querySelectorAll("tbody tr"));
+
+    is(
+      JSON.stringify(testCase.expected.columns),
+      JSON.stringify(columns.map(column => column.textContent)),
+      "table has the expected columns"
+    );
+
+    is(testCase.expected.rows.length, rows.length,
+      "table has the expected number of rows");
+
+    testCase.expected.rows.forEach((expectedRow, rowIndex) => {
+      let row = rows[rowIndex];
+      let cells = row.querySelectorAll("td");
+      is(expectedRow.length, cells.length, "row has the expected number of cells");
+
+      expectedRow.forEach((expectedCell, cellIndex) => {
+        let cell = cells[cellIndex];
+        is(expectedCell, cell.textContent, "cell has the expected content");
+      });
+    });
+  });
+});
+
+function findConsoleTable(node, index) {
+  let condition = node.querySelector(
+    `.message:nth-of-type(${index + 1}) .new-consoletable`);
+  return condition;
+}
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_filters.js
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_filters.js
@ -0,0 +1,72 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Tests filters.
+
+"use strict";
+
+const { MESSAGE_LEVEL } = require("devtools/client/webconsole/new-console-output/constants");
+
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/new-console-output/test/mochitest/test-console-filters.html";
+
+add_task(function* () {
+  let hud = yield openNewTabAndConsole(TEST_URI);
+  const outputNode = hud.ui.experimentalOutputNode;
+
+  const toolbar = yield waitFor(() => {
+    return outputNode.querySelector(".webconsole-filterbar-primary");
+  });
+  ok(toolbar, "Toolbar found");
+
+  // Show the filter bar
+  toolbar.querySelector(".devtools-filter-icon").click();
+  const filterBar = yield waitFor(() => {
+    return outputNode.querySelector(".webconsole-filterbar-secondary");
+  });
+  ok(filterBar, "Filter bar is shown when filter icon is clicked.");
+
+  // Check defaults.
+  Object.values(MESSAGE_LEVEL).forEach(level => {
+    ok(filterIsEnabled(filterBar.querySelector(`.${level}`)),
+      `Filter button for ${level} is on by default`);
+  });
+  ["net", "netxhr"].forEach(category => {
+    ok(!filterIsEnabled(filterBar.querySelector(`.${category}`)),
+      `Filter button for ${category} is off by default`);
+  });
+
+  // Check that messages are shown as expected. This depends on cached messages being
+  // shown.
+  ok(findMessages(hud, "").length == 5,
+    "Messages of all levels shown when filters are on.");
+
+  // Check that messages are not shown when their filter is turned off.
+  filterBar.querySelector(".error").click();
+  yield waitFor(() => findMessages(hud, "").length == 4);
+  ok(true, "When a filter is turned off, its messages are not shown.");
+
+  // Check that the ui settings were persisted.
+  yield closeTabAndToolbox();
+  yield testFilterPersistence();
+});
+
+function filterIsEnabled(button) {
+  return button.classList.contains("checked");
+}
+
+function* testFilterPersistence() {
+  let hud = yield openNewTabAndConsole(TEST_URI);
+  const outputNode = hud.ui.experimentalOutputNode;
+  const filterBar = yield waitFor(() => {
+    return outputNode.querySelector(".webconsole-filterbar-secondary");
+  });
+  ok(filterBar, "Filter bar ui setting is persisted.");
+
+  // Check that the filter settings were persisted.
+  ok(!filterIsEnabled(filterBar.querySelector(".error")),
+    "Filter button setting is persisted");
+  ok(findMessages(hud, "").length == 4,
+    "Messages of all levels shown when filters are on.");
+}
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_init.js
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_init.js
@ -0,0 +1,35 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/new-console-output/test/mochitest/test-console.html";
+
+add_task(function* () {
+  let toolbox = yield openNewTabAndToolbox(TEST_URI, "webconsole");
+  let hud = toolbox.getCurrentPanel().hud;
+  let {ui} = hud;
+
+  ok(ui.jsterm, "jsterm exists");
+  ok(ui.newConsoleOutput, "newConsoleOutput exists");
+
+  // @TODO: fix proptype errors
+  let receievedMessages = waitForMessages({
+    hud,
+    messages: [{
+      text: '0',
+    }, {
+      text: '1',
+    }, {
+      text: '2',
+    }],
+  });
+
+  yield ContentTask.spawn(gBrowser.selectedBrowser, {}, function() {
+    content.wrappedJSObject.doLogs(3);
+  });
+
+  yield receievedMessages;
+});
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_input_focus.js
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_input_focus.js
@ -0,0 +1,57 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Tests that the input field is focused when the console is opened.
+
+"use strict";
+
+const TEST_URI =
+  `data:text/html;charset=utf-8,Test input focused
+  <script>
+    console.log("console message 1");
+  </script>`;
+
+add_task(function* () {
+  let hud = yield openNewTabAndConsole(TEST_URI);
+  hud.jsterm.clearOutput();
+
+  let inputNode = hud.jsterm.inputNode;
+  ok(inputNode.getAttribute("focused"), "input node is focused after output is cleared");
+
+  ContentTask.spawn(gBrowser.selectedBrowser, {}, function* () {
+    content.wrappedJSObject.console.log("console message 2");
+  });
+  let msg = yield waitFor(() => findMessage(hud, "console message 2"));
+  let outputItem = msg.querySelector(".message-body");
+
+  inputNode = hud.jsterm.inputNode;
+  ok(inputNode.getAttribute("focused"), "input node is focused, first");
+
+  yield waitForBlurredInput(inputNode);
+
+  EventUtils.sendMouseEvent({type: "click"}, hud.outputNode);
+  ok(inputNode.getAttribute("focused"), "input node is focused, second time");
+
+  yield waitForBlurredInput(inputNode);
+
+  info("Setting a text selection and making sure a click does not re-focus");
+  let selection = hud.iframeWindow.getSelection();
+  selection.selectAllChildren(outputItem);
+
+  EventUtils.sendMouseEvent({type: "click"}, hud.outputNode);
+  ok(!inputNode.getAttribute("focused"),
+    "input node focused after text is selected");
+});
+
+function waitForBlurredInput(inputNode) {
+  return new Promise(resolve => {
+    let lostFocus = () => {
+      ok(!inputNode.getAttribute("focused"), "input node is not focused");
+      resolve();
+    };
+    inputNode.addEventListener("blur", lostFocus, { once: true });
+    document.getElementById("urlbar").click();
+  });
+}
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_keyboard_accessibility.js
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_keyboard_accessibility.js
@ -0,0 +1,71 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Check that basic keyboard shortcuts work in the web console.
+
+"use strict";
+
+const TEST_URI =
+  `data:text/html;charset=utf-8,<p>Test keyboard accessibility</p>
+  <script>
+    for (let i = 1; i <= 100; i++) {
+      console.log("console message " + i);
+    }
+  </script>
+  `;
+
+add_task(function* () {
+  let hud = yield openNewTabAndConsole(TEST_URI);
+  info("Web Console opened");
+
+  const outputScroller = hud.ui.outputScroller;
+
+  yield waitFor(() => findMessages(hud, "").length == 100);
+
+  let currentPosition = outputScroller.scrollTop;
+  const bottom = currentPosition;
+
+  EventUtils.sendMouseEvent({type: "click"}, hud.jsterm.inputNode);
+
+  // Page up.
+  EventUtils.synthesizeKey("VK_PAGE_UP", {});
+  isnot(outputScroller.scrollTop, currentPosition,
+    "scroll position changed after page up");
+
+  // Page down.
+  currentPosition = outputScroller.scrollTop;
+  EventUtils.synthesizeKey("VK_PAGE_DOWN", {});
+  ok(outputScroller.scrollTop > currentPosition,
+     "scroll position now at bottom");
+
+  // Home
+  EventUtils.synthesizeKey("VK_HOME", {});
+  is(outputScroller.scrollTop, 0, "scroll position now at top");
+
+  // End
+  EventUtils.synthesizeKey("VK_END", {});
+  let scrollTop = outputScroller.scrollTop;
+  ok(scrollTop > 0 && Math.abs(scrollTop - bottom) <= 5,
+     "scroll position now at bottom");
+
+  // Clear output
+  info("try ctrl-l to clear output");
+  let clearShortcut;
+  if (Services.appinfo.OS === "Darwin") {
+    clearShortcut = WCUL10n.getStr("webconsole.clear.keyOSX");
+  } else {
+    clearShortcut = WCUL10n.getStr("webconsole.clear.key");
+  }
+  synthesizeKeyShortcut(clearShortcut);
+  yield waitFor(() => findMessages(hud, "").length == 0);
+  is(hud.jsterm.inputNode.getAttribute("focused"), "true", "jsterm input is focused");
+
+  // Focus filter
+  info("try ctrl-f to focus filter");
+  synthesizeKeyShortcut(WCUL10n.getStr("webconsole.find.key"));
+  ok(!hud.jsterm.inputNode.getAttribute("focused"), "jsterm input is not focused");
+  is(hud.ui.filterBox, outputScroller.ownerDocument.activeElement,
+    "filter input is focused");
+});
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_observer_notifications.js
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_observer_notifications.js
@ -0,0 +1,47 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = "data:text/html;charset=utf-8,<p>Web Console test for " +
+                 "obeserver notifications";
+
+let created = false;
+let destroyed = false;
+
+add_task(function* () {
+  setupObserver();
+  yield openNewTabAndConsole(TEST_URI);
+  yield waitFor(() => created);
+
+  yield closeTabAndToolbox(gBrowser.selectedTab);
+  yield waitFor(() => destroyed);
+});
+
+function setupObserver() {
+  const observer = {
+    QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver]),
+
+    observe: function observe(subject, topic) {
+      subject = subject.QueryInterface(Ci.nsISupportsString);
+
+      switch (topic) {
+        case "web-console-created":
+          ok(HUDService.getHudReferenceById(subject.data), "We have a hud reference");
+          Services.obs.removeObserver(observer, "web-console-created");
+          created = true;
+          break;
+        case "web-console-destroyed":
+          ok(!HUDService.getHudReferenceById(subject.data), "We do not have a hud reference");
+          Services.obs.removeObserver(observer, "web-console-destroyed");
+          destroyed = true;
+          break;
+      }
+    },
+  };
+
+  Services.obs.addObserver(observer, "web-console-created", false);
+  Services.obs.addObserver(observer, "web-console-destroyed", false);
+}
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_vview_close_on_esc_key.js
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_vview_close_on_esc_key.js
@ -0,0 +1,46 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Check that the variables view sidebar can be closed by pressing Escape in the
+// web console.
+
+"use strict";
+
+const TEST_URI =
+  "data:text/html;charset=utf8,<script>let fooObj = {testProp: 'testValue'}</script>";
+
+add_task(function* () {
+  let hud = yield openNewTabAndConsole(TEST_URI);
+  let jsterm = hud.jsterm;
+  let vview;
+
+  yield openSidebar("fooObj", 'testProp: "testValue"');
+  vview.window.focus();
+
+  let sidebarClosed = jsterm.once("sidebar-closed");
+  EventUtils.synthesizeKey("VK_ESCAPE", {});
+  yield sidebarClosed;
+
+  function* openSidebar(objName, expectedText) {
+    yield jsterm.execute(objName);
+    info("JSTerm executed");
+
+    let msg = yield waitFor(() => findMessage(hud, "Object"));
+    ok(msg, "Message found");
+
+    let anchor = msg.querySelector("a");
+    let body = msg.querySelector(".message-body");
+    ok(anchor, "object anchor");
+    ok(body, "message body");
+    ok(body.textContent.includes(expectedText), "message text check");
+
+    msg.scrollIntoView();
+    yield EventUtils.synthesizeMouse(anchor, 2, 2, {}, hud.iframeWindow);
+
+    let vviewVar = yield jsterm.once("variablesview-fetched");
+    vview = vviewVar._variablesView;
+    ok(vview, "variables view object exists");
+  }
+});
--- a/devtools/client/webconsole/new-console-output/test/mochitest/head.js
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/head.js
@ -0,0 +1,137 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+/* import-globals-from ../../../../framework/test/shared-head.js */
+
+"use strict";
+
+// shared-head.js handles imports, constants, and utility functions
+// Load the shared-head file first.
+Services.scriptloader.loadSubScript(
+  "chrome://mochitests/content/browser/devtools/client/framework/test/shared-head.js",
+  this);
+
+var {Utils: WebConsoleUtils} = require("devtools/client/webconsole/utils");
+const WEBCONSOLE_STRINGS_URI = "devtools/client/locales/webconsole.properties";
+var WCUL10n = new WebConsoleUtils.L10n(WEBCONSOLE_STRINGS_URI);
+
+Services.prefs.setBoolPref("devtools.webconsole.new-frontend-enabled", true);
+registerCleanupFunction(function* () {
+  Services.prefs.clearUserPref("devtools.webconsole.new-frontend-enabled");
+
+  let browserConsole = HUDService.getBrowserConsole();
+  if (browserConsole) {
+    if (browserConsole.jsterm) {
+      browserConsole.jsterm.clearOutput(true);
+    }
+    yield HUDService.toggleBrowserConsole();
+  }
+});
+
+/**
+ * Add a new tab and open the toolbox in it, and select the webconsole.
+ *
+ * @param string url
+ *        The URL for the tab to be opened.
+ * @return Promise
+ *         Resolves when the tab has been added, loaded and the toolbox has been opened.
+ *         Resolves to the toolbox.
+ */
+var openNewTabAndConsole = Task.async(function* (url) {
+  let toolbox = yield openNewTabAndToolbox(TEST_URI, "webconsole");
+  let hud = toolbox.getCurrentPanel().hud;
+  hud.jsterm._lazyVariablesView = false;
+  return hud;
+});
+
+/**
+ * Wait for messages in the web console output, resolving once they are receieved.
+ *
+ * @param object options
+ *        - hud: the webconsole
+ *        - messages: Array[Object]. An array of messages to match. Current supported options:
+ *            - text: Exact text match in .message-body
+ */
+function waitForMessages({ hud, messages }) {
+  return new Promise(resolve => {
+    let numMatched = 0;
+    let receivedLog = hud.ui.on("new-messages", function messagesReceieved(e, newMessages) {
+      for (let message of messages) {
+        if (message.matched) {
+          continue;
+        }
+
+        for (let newMessage of newMessages) {
+          if (newMessage.node.querySelector(".message-body").textContent == message.text) {
+            numMatched++;
+            message.matched = true;
+            info("Matched a message with text: " + message.text + ", still waiting for " + (messages.length - numMatched) + " messages");
+            break;
+          }
+        }
+
+        if (numMatched === messages.length) {
+          hud.ui.off("new-messages", messagesReceieved);
+          resolve(receivedLog);
+          return;
+        }
+      }
+    });
+  });
+}
+
+/**
+ * Wait for a predicate to return a result.
+ *
+ * @param function condition
+ *        Invoked once in a while until it returns a truthy value. This should be an
+ *        idempotent function, since we have to run it a second time after it returns
+ *        true in order to return the value.
+ * @param string message [optional]
+ *        A message to output if the condition failes.
+ * @param number interval [optional]
+ *        How often the predicate is invoked, in milliseconds.
+ * @return object
+ *         A promise that is resolved with the result of the condition.
+ */
+function* waitFor(condition, message = "waitFor", interval = 10, maxTries = 500) {
+  return new Promise(resolve => {
+    BrowserTestUtils.waitForCondition(condition, message, interval, maxTries)
+      .then(() => resolve(condition()));
+  });
+}
+
+/**
+ * Find a message in the output.
+ *
+ * @param object hud
+ *        The web console.
+ * @param string text
+ *        A substring that can be found in the message.
+ * @param selector [optional]
+ *        The selector to use in finding the message.
+ */
+function findMessage(hud, text, selector = ".message") {
+  const elements = findMessages(hud, text, selector);
+  return elements.pop();
+}
+
+/**
+ * Find multiple messages in the output.
+ *
+ * @param object hud
+ *        The web console.
+ * @param string text
+ *        A substring that can be found in the message.
+ * @param selector [optional]
+ *        The selector to use in finding the message.
+ */
+function findMessages(hud, text, selector = ".message") {
+  const messages = hud.ui.experimentalOutputNode.querySelectorAll(selector);
+  const elements = Array.prototype.filter.call(
+    messages,
+    (el) => el.textContent.includes(text)
+  );
+  return elements;
+}
--- a/devtools/client/webconsole/new-console-output/test/mochitest/test-batching.html
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/test-batching.html
@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Webconsole batch console calls test page</title>
+  </head>
+  <body>
+    <p>batch console calls test page</p>
+    <script>
+    "use strict";
+
+    function batchLog(numMessages = 0) {
+      for (let i = 0; i < numMessages; i++) {
+        console.log(i);
+      }
+    }
+
+    function batchLogAndClear(numMessages = 0) {
+      for (let i = 0; i < numMessages; i++) {
+        console.log(i);
+        if (i === numMessages - 1) {
+          console.clear();
+        }
+      }
+    }
+    </script>
+  </body>
+</html>
--- a/devtools/client/webconsole/new-console-output/test/mochitest/test-console-filters.html
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/test-console-filters.html
@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Webconsole filters test page</title>
+  </head>
+  <body>
+    <p>Webconsole filters test page</p>
+    <script>
+      console.log("console log");
+      console.warn("console warn");
+      console.error("console error");
+      console.info("console info");
+      console.count("console debug");
+    </script>
+  </body>
+</html>
--- a/devtools/client/webconsole/new-console-output/test/mochitest/test-console-group.html
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/test-console-group.html
@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Webconsole console.group test page</title>
+  </head>
+  <body>
+    <p>console.group() & console.groupCollapsed() test page</p>
+    <script>
+    "use strict";
+
+    function doLog() {
+        console.group("group-1");
+        console.log("log-1");
+        console.group("group-2");
+        console.log("log-2");
+        console.groupEnd("group-2");
+        console.log("log-3");
+        console.groupEnd("group-1");
+        console.log("log-4");
+        console.groupCollapsed("group-3");
+        console.log("log-5");
+        console.groupEnd("group-3");
+        console.log("log-6");
+    }
+    </script>
+  </body>
+</html>
--- a/devtools/client/webconsole/new-console-output/test/mochitest/test-console-table.html
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/test-console-table.html
@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Simple webconsole test page</title>
+  </head>
+  <body>
+    <p>console.table() test page</p>
+    <script>
+      function doConsoleTable(data, constrainedHeaders = null) {
+        if (constrainedHeaders) {
+          console.table(data, constrainedHeaders);
+        } else {
+          console.table(data);
+        }
+      }
+    </script>
+  </body>
+</html>
--- a/devtools/client/webconsole/new-console-output/test/mochitest/test-console.html
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/test-console.html
@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Simple webconsole test page</title>
+  </head>
+  <body>
+    <p>Simple webconsole test page</p>
+    <script>
+      function doLogs(num) {
+        num = num || 1;
+        for (var i = 0; i < num; i++) {
+          console.log(i);
+        }
+      }
+    </script>
+  </body>
+</html>
--- a/devtools/client/webconsole/new-console-output/test/moz.build
+++ b/devtools/client/webconsole/new-console-output/test/moz.build
@ -0,0 +1,17 @@
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+BROWSER_CHROME_MANIFESTS += [
+  'fixtures/stub-generators/browser.ini',
+  'mochitest/browser.ini',
+]
+
+DIRS += [
+    'fixtures'
+]
+
+MOCHITEST_CHROME_MANIFESTS += [
+  'chrome/chrome.ini',
+]
--- a/devtools/client/webconsole/new-console-output/test/requireHelper.js
+++ b/devtools/client/webconsole/new-console-output/test/requireHelper.js
@ -0,0 +1,38 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+const requireHacker = require("require-hacker");
+
+requireHacker.global_hook("default", path => {
+  switch (path) {
+    // For Enzyme
+    case "react-dom/server":
+      return `const React = require('react-dev'); module.exports = React`;
+    case "react-addons-test-utils":
+      return `const React = require('react-dev'); module.exports = React.addons.TestUtils`;
+    // Use react-dev. This would be handled by browserLoader in Firefox.
+    case "react":
+    case "devtools/client/shared/vendor/react":
+      return `const React = require('react-dev'); module.exports = React`;
+    // For Rep's use of AMD
+    case "devtools/client/shared/vendor/react.default":
+      return `const React = require('react-dev'); module.exports = React`;
+  }
+
+  // Some modules depend on Chrome APIs which don't work in mocha. When such a module
+  // is required, replace it with a mock version.
+  switch (path) {
+    case "devtools/client/webconsole/utils":
+      return `module.exports = require("devtools/client/webconsole/new-console-output/test/fixtures/WebConsoleUtils")`;
+    case "devtools/shared/l10n":
+      return `module.exports = require("devtools/client/webconsole/new-console-output/test/fixtures/LocalizationHelper")`;
+    case "devtools/shared/plural-form":
+      return `module.exports = require("devtools/client/webconsole/new-console-output/test/fixtures/PluralForm")`;
+    case "Services":
+    case "Services.default":
+      return `module.exports = require("devtools/client/webconsole/new-console-output/test/fixtures/Services")`;
+    case "devtools/shared/client/main":
+      return `module.exports = require("devtools/client/webconsole/new-console-output/test/fixtures/ObjectClient")`;
+  }
+});
--- a/devtools/client/webconsole/new-console-output/test/store/filters.test.js
+++ b/devtools/client/webconsole/new-console-output/test/store/filters.test.js
@ -0,0 +1,215 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const expect = require("expect");
+
+const actions = require("devtools/client/webconsole/new-console-output/actions/index");
+const { messageAdd } = require("devtools/client/webconsole/new-console-output/actions/index");
+const { ConsoleCommand } = require("devtools/client/webconsole/new-console-output/types");
+const { getAllMessages } = require("devtools/client/webconsole/new-console-output/selectors/messages");
+const { getAllFilters } = require("devtools/client/webconsole/new-console-output/selectors/filters");
+const { setupStore } = require("devtools/client/webconsole/new-console-output/test/helpers");
+const { MESSAGE_LEVEL } = require("devtools/client/webconsole/new-console-output/constants");
+const { stubPackets } = require("devtools/client/webconsole/new-console-output/test/fixtures/stubs/index");
+const { stubPreparedMessages } = require("devtools/client/webconsole/new-console-output/test/fixtures/stubs/index");
+
+describe("Filtering", () => {
+  let store;
+  let numMessages;
+  // Number of messages in prepareBaseStore which are not filtered out, i.e. Evaluation
+  // Results, console commands and console.groups .
+  const numUnfilterableMessages = 3;
+
+  beforeEach(() => {
+    store = prepareBaseStore();
+    store.dispatch(actions.filtersClear());
+    numMessages = getAllMessages(store.getState()).size;
+  });
+
+  describe("Level filter", () => {
+    it("filters log messages", () => {
+      store.dispatch(actions.filterToggle(MESSAGE_LEVEL.LOG));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size).toEqual(numMessages - 3);
+    });
+
+    it("filters debug messages", () => {
+      store.dispatch(actions.filterToggle(MESSAGE_LEVEL.DEBUG));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size).toEqual(numMessages - 1);
+    });
+
+    // @TODO add info stub
+    it("filters info messages");
+
+    it("filters warning messages", () => {
+      store.dispatch(actions.filterToggle(MESSAGE_LEVEL.WARN));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size).toEqual(numMessages - 1);
+    });
+
+    it("filters error messages", () => {
+      store.dispatch(actions.filterToggle(MESSAGE_LEVEL.ERROR));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size).toEqual(numMessages - 1);
+    });
+
+    it("filters xhr messages", () => {
+      let message = stubPreparedMessages.get("XHR GET request");
+      store.dispatch(messageAdd(message));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size).toEqual(numMessages);
+
+      store.dispatch(actions.filterToggle("netxhr"));
+      messages = getAllMessages(store.getState());
+      expect(messages.size).toEqual(numMessages + 1);
+    });
+
+    it("filters network messages", () => {
+      let message = stubPreparedMessages.get("GET request");
+      store.dispatch(messageAdd(message));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size).toEqual(numMessages);
+
+      store.dispatch(actions.filterToggle("net"));
+      messages = getAllMessages(store.getState());
+      expect(messages.size).toEqual(numMessages + 1);
+    });
+  });
+
+  describe("Text filter", () => {
+    it("matches on value grips", () => {
+      store.dispatch(actions.filterTextSet("danger"));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size - numUnfilterableMessages).toEqual(1);
+    });
+
+    it("matches unicode values", () => {
+      store.dispatch(actions.filterTextSet("鼬"));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size - numUnfilterableMessages).toEqual(1);
+    });
+
+    it("matches locations", () => {
+      // Add a message with a different filename.
+      let locationMsg =
+        Object.assign({}, stubPackets.get("console.log('foobar', 'test')"));
+      locationMsg.message =
+        Object.assign({}, locationMsg.message, { filename: "search-location-test.js" });
+      store.dispatch(messageAdd(locationMsg));
+
+      store.dispatch(actions.filterTextSet("search-location-test.js"));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size - numUnfilterableMessages).toEqual(1);
+    });
+
+    it("matches stacktrace functionName", () => {
+      let traceMessage = stubPackets.get("console.trace()");
+      store.dispatch(messageAdd(traceMessage));
+
+      store.dispatch(actions.filterTextSet("testStacktraceFiltering"));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size - numUnfilterableMessages).toEqual(1);
+    });
+
+    it("matches stacktrace location", () => {
+      let traceMessage = stubPackets.get("console.trace()");
+      traceMessage.message =
+        Object.assign({}, traceMessage.message, {
+          filename: "search-location-test.js",
+          lineNumber: 85,
+          columnNumber: 13
+        });
+
+      store.dispatch(messageAdd(traceMessage));
+
+      store.dispatch(actions.filterTextSet("search-location-test.js:85:13"));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size - numUnfilterableMessages).toEqual(1);
+    });
+
+    it("restores all messages once text is cleared", () => {
+      store.dispatch(actions.filterTextSet("danger"));
+      store.dispatch(actions.filterTextSet(""));
+
+      let messages = getAllMessages(store.getState());
+      expect(messages.size).toEqual(numMessages);
+    });
+  });
+
+  describe("Combined filters", () => {
+    // @TODO add test
+    it("filters");
+  });
+});
+
+describe("Clear filters", () => {
+  it("clears all filters", () => {
+    const store = setupStore([]);
+
+    // Setup test case
+    store.dispatch(actions.filterToggle(MESSAGE_LEVEL.ERROR));
+    store.dispatch(actions.filterToggle("netxhr"));
+    store.dispatch(actions.filterTextSet("foobar"));
+
+    let filters = getAllFilters(store.getState());
+    expect(filters.toJS()).toEqual({
+      "debug": true,
+      "error": false,
+      "info": true,
+      "log": true,
+      "net": false,
+      "netxhr": true,
+      "warn": true,
+      "text": "foobar"
+    });
+
+    store.dispatch(actions.filtersClear());
+
+    filters = getAllFilters(store.getState());
+    expect(filters.toJS()).toEqual({
+      "debug": true,
+      "error": true,
+      "info": true,
+      "log": true,
+      "net": false,
+      "netxhr": false,
+      "warn": true,
+      "text": ""
+    });
+  });
+});
+
+function prepareBaseStore() {
+  const store = setupStore([
+    // Console API
+    "console.log('foobar', 'test')",
+    "console.warn('danger, will robinson!')",
+    "console.log(undefined)",
+    "console.count('bar')",
+    "console.log('鼬')",
+    // Evaluation Result - never filtered
+    "new Date(0)",
+    // PageError
+    "ReferenceError: asdf is not defined",
+    "console.group('bar')"
+  ]);
+
+  // Console Command - never filtered
+  store.dispatch(messageAdd(new ConsoleCommand({ messageText: `console.warn("x")` })));
+
+  return store;
+}
--- a/devtools/client/webconsole/new-console-output/test/store/messages.test.js
+++ b/devtools/client/webconsole/new-console-output/test/store/messages.test.js
@ -0,0 +1,353 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+const {
+  getAllMessages,
+  getAllMessagesUiById,
+  getAllGroupsById,
+  getCurrentGroup,
+} = require("devtools/client/webconsole/new-console-output/selectors/messages");
+const {
+  setupActions,
+  setupStore
+} = require("devtools/client/webconsole/new-console-output/test/helpers");
+const { stubPackets, stubPreparedMessages } = require("devtools/client/webconsole/new-console-output/test/fixtures/stubs/index");
+const {
+  MESSAGE_TYPE,
+} = require("devtools/client/webconsole/new-console-output/constants");
+
+const expect = require("expect");
+
+describe("Message reducer:", () => {
+  let actions;
+
+  before(() => {
+    actions = setupActions();
+  });
+
+  describe("messagesById", () => {
+    it("adds a message to an empty store", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const packet = stubPackets.get("console.log('foobar', 'test')");
+      const message = stubPreparedMessages.get("console.log('foobar', 'test')");
+      dispatch(actions.messageAdd(packet));
+
+      const messages = getAllMessages(getState());
+
+      expect(messages.first()).toEqual(message);
+    });
+
+    it("increments repeat on a repeating message", () => {
+      const { dispatch, getState } = setupStore([
+        "console.log('foobar', 'test')",
+        "console.log('foobar', 'test')"
+      ]);
+
+      const packet = stubPackets.get("console.log('foobar', 'test')");
+      dispatch(actions.messageAdd(packet));
+      dispatch(actions.messageAdd(packet));
+
+      const messages = getAllMessages(getState());
+
+      expect(messages.size).toBe(1);
+      expect(messages.first().repeat).toBe(4);
+    });
+
+    it("does not clobber a unique message", () => {
+      const { dispatch, getState } = setupStore([
+        "console.log('foobar', 'test')",
+        "console.log('foobar', 'test')"
+      ]);
+
+      const packet = stubPackets.get("console.log('foobar', 'test')");
+      dispatch(actions.messageAdd(packet));
+
+      const packet2 = stubPackets.get("console.log(undefined)");
+      dispatch(actions.messageAdd(packet2));
+
+      const messages = getAllMessages(getState());
+
+      expect(messages.size).toBe(2);
+      expect(messages.first().repeat).toBe(3);
+      expect(messages.last().repeat).toBe(1);
+    });
+
+    it("adds a message in response to console.clear()", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      dispatch(actions.messageAdd(stubPackets.get("console.clear()")));
+
+      const messages = getAllMessages(getState());
+
+      expect(messages.size).toBe(1);
+      expect(messages.first().parameters[0]).toBe("Console was cleared.");
+    });
+
+    it("clears the messages list in response to MESSAGES_CLEAR action", () => {
+      const { dispatch, getState } = setupStore([
+        "console.log('foobar', 'test')",
+        "console.log(undefined)"
+      ]);
+
+      dispatch(actions.messagesClear());
+
+      const messages = getAllMessages(getState());
+      expect(messages.size).toBe(0);
+    });
+
+    it("limits the number of messages displayed", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const logLimit = 1000;
+      const packet = stubPackets.get("console.log(undefined)");
+      for (let i = 1; i <= logLimit + 1; i++) {
+        packet.message.arguments = [`message num ${i}`];
+        dispatch(actions.messageAdd(packet));
+      }
+
+      const messages = getAllMessages(getState());
+      expect(messages.count()).toBe(logLimit);
+      expect(messages.first().parameters[0]).toBe(`message num 2`);
+      expect(messages.last().parameters[0]).toBe(`message num ${logLimit + 1}`);
+    });
+
+    it("does not add null messages to the store", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const message = stubPackets.get("console.time('bar')");
+      dispatch(actions.messageAdd(message));
+
+      const messages = getAllMessages(getState());
+      expect(messages.size).toBe(0);
+    });
+
+    it("adds console.table call with unsupported type as console.log", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const packet = stubPackets.get("console.table('bar')");
+      dispatch(actions.messageAdd(packet));
+
+      const messages = getAllMessages(getState());
+      const tableMessage = messages.last();
+      expect(tableMessage.level).toEqual(MESSAGE_TYPE.LOG);
+    });
+
+    it("adds console.group messages to the store", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const message = stubPackets.get("console.group('bar')");
+      dispatch(actions.messageAdd(message));
+
+      const messages = getAllMessages(getState());
+      expect(messages.size).toBe(1);
+    });
+
+    it("sets groupId property as expected", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      dispatch(actions.messageAdd(
+        stubPackets.get("console.group('bar')")));
+
+      const packet = stubPackets.get("console.log('foobar', 'test')");
+      dispatch(actions.messageAdd(packet));
+
+      const messages = getAllMessages(getState());
+      expect(messages.size).toBe(2);
+      expect(messages.last().groupId).toBe(messages.first().id);
+    });
+
+    it("does not display console.groupEnd messages to the store", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const message = stubPackets.get("console.groupEnd('bar')");
+      dispatch(actions.messageAdd(message));
+
+      const messages = getAllMessages(getState());
+      expect(messages.size).toBe(0);
+    });
+
+    it("filters out message added after a console.groupCollapsed message", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const message = stubPackets.get("console.groupCollapsed('foo')");
+      dispatch(actions.messageAdd(message));
+
+      dispatch(actions.messageAdd(
+        stubPackets.get("console.log('foobar', 'test')")));
+
+      const messages = getAllMessages(getState());
+      expect(messages.size).toBe(1);
+    });
+
+    it("shows the group of the first displayed message when messages are pruned", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const logLimit = 1000;
+
+      const groupMessage = stubPreparedMessages.get("console.group('bar')");
+      dispatch(actions.messageAdd(
+        stubPackets.get("console.group('bar')")));
+
+      const packet = stubPackets.get("console.log(undefined)");
+      for (let i = 1; i <= logLimit + 1; i++) {
+        packet.message.arguments = [`message num ${i}`];
+        dispatch(actions.messageAdd(packet));
+      }
+
+      const messages = getAllMessages(getState());
+      expect(messages.count()).toBe(logLimit);
+      expect(messages.first().messageText).toBe(groupMessage.messageText);
+      expect(messages.get(1).parameters[0]).toBe(`message num 3`);
+      expect(messages.last().parameters[0]).toBe(`message num ${logLimit + 1}`);
+    });
+
+    it("adds console.dirxml call as console.log", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const packet = stubPackets.get("console.dirxml(window)");
+      dispatch(actions.messageAdd(packet));
+
+      const messages = getAllMessages(getState());
+      const dirxmlMessage = messages.last();
+      expect(dirxmlMessage.level).toEqual(MESSAGE_TYPE.LOG);
+    });
+  });
+
+  describe("messagesUiById", () => {
+    it("opens console.trace messages when they are added", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const message = stubPackets.get("console.trace()");
+      dispatch(actions.messageAdd(message));
+
+      const messages = getAllMessages(getState());
+      const messagesUi = getAllMessagesUiById(getState());
+      expect(messagesUi.size).toBe(1);
+      expect(messagesUi.first()).toBe(messages.first().id);
+    });
+
+    it("clears the messages UI list in response to MESSAGES_CLEAR action", () => {
+      const { dispatch, getState } = setupStore([
+        "console.log('foobar', 'test')",
+        "console.log(undefined)"
+      ]);
+
+      const traceMessage = stubPackets.get("console.trace()");
+      dispatch(actions.messageAdd(traceMessage));
+
+      dispatch(actions.messagesClear());
+
+      const messagesUi = getAllMessagesUiById(getState());
+      expect(messagesUi.size).toBe(0);
+    });
+
+    it("opens console.group messages when they are added", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const message = stubPackets.get("console.group('bar')");
+      dispatch(actions.messageAdd(message));
+
+      const messages = getAllMessages(getState());
+      const messagesUi = getAllMessagesUiById(getState());
+      expect(messagesUi.size).toBe(1);
+      expect(messagesUi.first()).toBe(messages.first().id);
+    });
+
+    it("does not open console.groupCollapsed messages when they are added", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const message = stubPackets.get("console.groupCollapsed('foo')");
+      dispatch(actions.messageAdd(message));
+
+      const messagesUi = getAllMessagesUiById(getState());
+      expect(messagesUi.size).toBe(0);
+    });
+  });
+
+  describe("currentGroup", () => {
+    it("sets the currentGroup when console.group message is added", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const packet = stubPackets.get("console.group('bar')");
+      dispatch(actions.messageAdd(packet));
+
+      const messages = getAllMessages(getState());
+      const currentGroup = getCurrentGroup(getState());
+      expect(currentGroup).toBe(messages.first().id);
+    });
+
+    it("sets currentGroup to expected value when console.groupEnd is added", () => {
+      const { dispatch, getState } = setupStore([
+        "console.group('bar')",
+        "console.groupCollapsed('foo')"
+      ]);
+
+      let messages = getAllMessages(getState());
+      let currentGroup = getCurrentGroup(getState());
+      expect(currentGroup).toBe(messages.last().id);
+
+      const endFooPacket = stubPackets.get("console.groupEnd('foo')");
+      dispatch(actions.messageAdd(endFooPacket));
+      messages = getAllMessages(getState());
+      currentGroup = getCurrentGroup(getState());
+      expect(currentGroup).toBe(messages.first().id);
+
+      const endBarPacket = stubPackets.get("console.groupEnd('foo')");
+      dispatch(actions.messageAdd(endBarPacket));
+      messages = getAllMessages(getState());
+      currentGroup = getCurrentGroup(getState());
+      expect(currentGroup).toBe(null);
+    });
+
+    it("resets the currentGroup to null in response to MESSAGES_CLEAR action", () => {
+      const { dispatch, getState } = setupStore([
+        "console.group('bar')"
+      ]);
+
+      dispatch(actions.messagesClear());
+
+      const currentGroup = getCurrentGroup(getState());
+      expect(currentGroup).toBe(null);
+    });
+  });
+
+  describe("groupsById", () => {
+    it("adds the group with expected array when console.group message is added", () => {
+      const { dispatch, getState } = setupStore([]);
+
+      const barPacket = stubPackets.get("console.group('bar')");
+      dispatch(actions.messageAdd(barPacket));
+
+      let messages = getAllMessages(getState());
+      let groupsById = getAllGroupsById(getState());
+      expect(groupsById.size).toBe(1);
+      expect(groupsById.has(messages.first().id)).toBe(true);
+      expect(groupsById.get(messages.first().id)).toEqual([]);
+
+      const fooPacket = stubPackets.get("console.groupCollapsed('foo')");
+      dispatch(actions.messageAdd(fooPacket));
+      messages = getAllMessages(getState());
+      groupsById = getAllGroupsById(getState());
+      expect(groupsById.size).toBe(2);
+      expect(groupsById.has(messages.last().id)).toBe(true);
+      expect(groupsById.get(messages.last().id)).toEqual([messages.first().id]);
+    });
+
+    it("resets groupsById in response to MESSAGES_CLEAR action", () => {
+      const { dispatch, getState } = setupStore([
+        "console.group('bar')",
+        "console.groupCollapsed('foo')",
+      ]);
+
+      let groupsById = getAllGroupsById(getState());
+      expect(groupsById.size).toBe(2);
+
+      dispatch(actions.messagesClear());
+
+      groupsById = getAllGroupsById(getState());
+      expect(groupsById.size).toBe(0);
+    });
+  });
+});
--- a/devtools/client/webconsole/new-console-output/test/utils/getRepeatId.test.js
+++ b/devtools/client/webconsole/new-console-output/test/utils/getRepeatId.test.js
@ -0,0 +1,41 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+const { getRepeatId } = require("devtools/client/webconsole/new-console-output/utils/messages");
+const { stubPreparedMessages } = require("devtools/client/webconsole/new-console-output/test/fixtures/stubs/index");
+
+const expect = require("expect");
+
+describe("getRepeatId:", () => {
+  it("returns same repeatId for duplicate values", () => {
+    const message1 = stubPreparedMessages.get("console.log('foobar', 'test')");
+    const message2 = message1.set("repeat", 3);
+    expect(getRepeatId(message1)).toEqual(getRepeatId(message2));
+  });
+
+  it("returns different repeatIds for different values", () => {
+    const message1 = stubPreparedMessages.get("console.log('foobar', 'test')");
+    const message2 = message1.set("parameters", ["funny", "monkey"]);
+    expect(getRepeatId(message1)).toNotEqual(getRepeatId(message2));
+  });
+
+  it("returns different repeatIds for different severities", () => {
+    const message1 = stubPreparedMessages.get("console.log('foobar', 'test')");
+    const message2 = message1.set("level", "error");
+    expect(getRepeatId(message1)).toNotEqual(getRepeatId(message2));
+  });
+
+  it("handles falsy values distinctly", () => {
+    const messageNaN = stubPreparedMessages.get("console.log(NaN)");
+    const messageUnd = stubPreparedMessages.get("console.log(undefined)");
+    const messageNul = stubPreparedMessages.get("console.log(null)");
+
+    const repeatIds = new Set([
+      getRepeatId(messageNaN),
+      getRepeatId(messageUnd),
+      getRepeatId(messageNul)]
+    );
+    expect(repeatIds.size).toEqual(3);
+  });
+});