import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/client/debugger/test/mochitest/browser_dbg_controller-evaluate-01.js

@@ -0,0 +1,106 @@
+/* -*- 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 the public evaluation API from the debugger controller.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_script-switching-01.html";
+
+function test() {
+  Task.spawn(function* () {
+    const options = {
+      source: EXAMPLE_URL + "code_script-switching-01.js",
+      line: 1
+    };
+    const [tab,, panel] = yield initDebugger(TAB_URL, options);
+    const win = panel.panelWin;
+    const frames = win.DebuggerController.StackFrames;
+    const framesView = win.DebuggerView.StackFrames;
+    const sourcesView = win.DebuggerView.Sources;
+    const editorView = win.DebuggerView.editor;
+    const events = win.EVENTS;
+    const queries = win.require("./content/queries");
+    const constants = win.require("./content/constants");
+    const actions = bindActionCreators(panel);
+    const getState = win.DebuggerController.getState;
+
+    function checkView(frameDepth, selectedSource, caretLine, editorText) {
+      is(win.gThreadClient.state, "paused",
+        "Should only be getting stack frames while paused.");
+      is(framesView.itemCount, 2,
+        "Should have four frames.");
+      is(framesView.selectedDepth, frameDepth,
+        "The correct frame is selected in the widget.");
+      is(sourcesView.selectedIndex, selectedSource,
+        "The correct source is selected in the widget.");
+      ok(isCaretPos(panel, caretLine),
+        "Editor caret location is correct.");
+      is(editorView.getText().search(editorText[0]), editorText[1],
+        "The correct source is not displayed.");
+    }
+
+    // Cache the sources text to avoid having to wait for their
+    // retrieval.
+    const sources = queries.getSources(getState());
+    yield promise.all(Object.keys(sources).map(k => {
+      return actions.loadSourceText(sources[k]);
+    }));
+
+    is(Object.keys(getState().sources.sourcesText).length, 2,
+       "There should be two cached sources in the cache.");
+
+    // Eval while not paused.
+    try {
+      yield frames.evaluate("foo");
+    } catch (error) {
+      is(error.message, "No stack frame available.",
+        "Evaluating shouldn't work while the debuggee isn't paused.");
+    }
+
+    callInTab(tab, "firstCall");
+    yield waitForSourceAndCaretAndScopes(panel, "-02.js", 6);
+    checkView(0, 1, 6, [/secondCall/, 118]);
+
+    // Eval in the topmost frame, while paused.
+    let updatedView = waitForDebuggerEvents(panel, events.FETCHED_SCOPES);
+    let result = yield frames.evaluate("foo");
+    ok(!result.throw, "The evaluation hasn't thrown.");
+    is(result.return.type, "object", "The evaluation return type is correct.");
+    is(result.return.class, "Function", "The evaluation return class is correct.");
+
+    yield updatedView;
+    checkView(0, 1, 6, [/secondCall/, 118]);
+    ok(true, "Evaluating in the topmost frame works properly.");
+
+    // Eval in a different frame, while paused.
+    updatedView = waitForDebuggerEvents(panel, events.FETCHED_SCOPES);
+    try {
+      yield frames.evaluate("foo", { depth: 1 }); // oldest frame
+    } catch (result) {
+      is(result.return.type, "object", "The evaluation thrown type is correct.");
+      is(result.return.class, "Error", "The evaluation thrown class is correct.");
+      ok(!result.return, "The evaluation hasn't returned.");
+    }
+
+    yield updatedView;
+    checkView(0, 1, 6, [/secondCall/, 118]);
+    ok(true, "Evaluating in a custom frame works properly.");
+
+    // Eval in a non-existent frame, while paused.
+    waitForDebuggerEvents(panel, events.FETCHED_SCOPES).then(() => {
+      ok(false, "Shouldn't have updated the view when trying to evaluate " +
+        "an expression in a non-existent stack frame.");
+    });
+    try {
+      yield frames.evaluate("foo", { depth: 4 }); // non-existent frame
+    } catch (error) {
+      is(error.message, "No stack frame available.",
+        "Evaluating shouldn't work if the specified frame doesn't exist.");
+    }
+
+    yield resumeDebuggerThenCloseAndFinish(panel);
+  });
+}