import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/client/styleeditor/test/browser_styleeditor_sync.js

@@ -0,0 +1,72 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test that changes in the style inspector are synchronized into the
+// style editor.
+
+const TESTCASE_URI = TEST_BASE_HTTP + "sync.html";
+
+const expectedText = `
+  body {
+    border-width: 15px;
+    /*! color: red; */
+  }
+
+  #testid {
+    /*! font-size: 4em; */
+  }
+  `;
+
+function* closeAndReopenToolbox() {
+  let target = TargetFactory.forTab(gBrowser.selectedTab);
+  yield gDevTools.closeToolbox(target);
+  let { ui: newui } = yield openStyleEditor();
+  return newui;
+}
+
+add_task(function* () {
+  yield addTab(TESTCASE_URI);
+  let { inspector, view } = yield openRuleView();
+  yield selectNode("#testid", inspector);
+  let ruleEditor = getRuleViewRuleEditor(view, 1);
+
+  // Disable the "font-size" property.
+  let propEditor = ruleEditor.rule.textProps[0].editor;
+  let onModification = view.once("ruleview-changed");
+  propEditor.enable.click();
+  yield onModification;
+
+  // Disable the "color" property.  Note that this property is in a
+  // rule that also contains a non-inherited property -- so this test
+  // is also testing that property editing works properly in this
+  // situation.
+  ruleEditor = getRuleViewRuleEditor(view, 3);
+  propEditor = ruleEditor.rule.textProps[1].editor;
+  onModification = view.once("ruleview-changed");
+  propEditor.enable.click();
+  yield onModification;
+
+  let { ui } = yield openStyleEditor();
+
+  let editor = yield ui.editors[0].getSourceEditor();
+  let text = editor.sourceEditor.getText();
+  is(text, expectedText, "style inspector changes are synced");
+
+  // Close and reopen the toolbox, to see that the edited text remains
+  // available.
+  ui = yield closeAndReopenToolbox();
+  editor = yield ui.editors[0].getSourceEditor();
+  text = editor.sourceEditor.getText();
+  is(text, expectedText, "changes remain after close and reopen");
+
+  // For the time being, the actor does not update the style's owning
+  // node's textContent.  See bug 1205380.
+  let textContent = yield ContentTask.spawn(gBrowser.selectedBrowser, null,
+    function* () {
+      return content.document.querySelector("style").textContent;
+    });
+
+  isnot(textContent, expectedText, "changes not written back to style node");
+});