1 files changed, 137 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_completion-new-property_02.js b/devtools/client/inspector/rules/test/browser_rules_completion-new-property_02.js
new file mode 100644
index 0000000000..60df90e410
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+++ b/devtools/client/inspector/rules/test/browser_rules_completion-new-property_02.js
@@ -0,0 +1,137 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that CSS property names and values are autocompleted and cycled
+// correctly when editing new properties in the rule view.
+
+// format :
+//  [
+//    what key to press,
+//    modifers,
+//    expected input box value after keypress,
+//    is the popup open,
+//    is a suggestion selected in the popup,
+//    expect ruleview-changed,
+//  ]
+
+const OPEN = true,
+  SELECTED = true,
+  CHANGE = true;
+const testData = [
+  ["d", {}, "display", OPEN, SELECTED, !CHANGE],
+  ["VK_TAB", {}, "", OPEN, !SELECTED, CHANGE],
+  ["VK_DOWN", {}, "block", OPEN, SELECTED, CHANGE],
+  ["n", {}, "none", !OPEN, !SELECTED, CHANGE],
+  ["VK_TAB", { shiftKey: true }, "display", !OPEN, !SELECTED, CHANGE],
+  ["VK_BACK_SPACE", {}, "", !OPEN, !SELECTED, !CHANGE],
+  ["o", {}, "overflow", OPEN, SELECTED, !CHANGE],
+  ["u", {}, "outline", OPEN, SELECTED, !CHANGE],
+  ["VK_DOWN", {}, "outline-color", OPEN, SELECTED, !CHANGE],
+  ["VK_TAB", {}, "none", !OPEN, !SELECTED, CHANGE],
+  ["r", {}, "rebeccapurple", OPEN, SELECTED, CHANGE],
+  ["VK_DOWN", {}, "red", OPEN, SELECTED, CHANGE],
+  ["VK_DOWN", {}, "revert", OPEN, SELECTED, CHANGE],
+  ["VK_DOWN", {}, "revert-layer", OPEN, SELECTED, CHANGE],
+  ["VK_DOWN", {}, "rgb", OPEN, SELECTED, CHANGE],
+  ["VK_DOWN", {}, "rgba", OPEN, SELECTED, CHANGE],
+  ["VK_DOWN", {}, "rosybrown", OPEN, SELECTED, CHANGE],
+  ["VK_DOWN", {}, "royalblue", OPEN, SELECTED, CHANGE],
+  ["VK_RIGHT", {}, "royalblue", !OPEN, !SELECTED, !CHANGE],
+  [" ", {}, "royalblue aliceblue", OPEN, SELECTED, CHANGE],
+  ["!", {}, "royalblue !important", !OPEN, !SELECTED, CHANGE],
+  ["VK_ESCAPE", {}, null, !OPEN, !SELECTED, CHANGE],
+];
+
+const TEST_URI = `
+  <style type="text/css">
+    h1 {
+      border: 1px solid red;
+    }
+  </style>
+  <h1>Test element</h1>
+`;
+
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { toolbox, inspector, view } = await openRuleView();
+
+  info("Test autocompletion after 1st page load");
+  await runAutocompletionTest(toolbox, inspector, view);
+
+  info("Test autocompletion after page navigation");
+  await reloadBrowser();
+  await runAutocompletionTest(toolbox, inspector, view);
+});
+
+async function runAutocompletionTest(toolbox, inspector, view) {
+  info("Selecting the test node");
+  await selectNode("h1", inspector);
+
+  info("Focusing a new css property editable property");
+  const ruleEditor = getRuleViewRuleEditor(view, 1);
+  let editor = await focusNewRuleViewProperty(ruleEditor);
+
+  info("Starting to test for css property completion");
+  for (let i = 0; i < testData.length; i++) {
+    // Re-define the editor at each iteration, because the focus may have moved
+    // from property to value and back
+    editor = inplaceEditor(view.styleDocument.activeElement);
+    await testCompletion(testData[i], editor, view);
+  }
+}
+
+async function testCompletion(
+  [key, modifiers, completion, open, selected, change],
+  editor,
+  view
+) {
+  info("Pressing key " + key);
+  info("Expecting " + completion);
+  info("Is popup opened: " + open);
+  info("Is item selected: " + selected);
+
+  let onDone;
+  if (change) {
+    // If the key triggers a ruleview-changed, wait for that event, it will
+    // always be the last to be triggered and tells us when the preview has
+    // been done.
+    onDone = view.once("ruleview-changed");
+  } else {
+    // Otherwise, expect an after-suggest event (except if the popup gets
+    // closed).
+    onDone =
+      key !== "VK_RIGHT" && key !== "VK_BACK_SPACE"
+        ? editor.once("after-suggest")
+        : null;
+  }
+
+  // Also listening for popup opened/closed events if needed.
+  const popupEvent = open ? "popup-opened" : "popup-closed";
+  const onPopupEvent =
+    editor.popup.isOpen !== open ? once(editor.popup, popupEvent) : null;
+
+  info("Synthesizing key " + key + ", modifiers: " + Object.keys(modifiers));
+  EventUtils.synthesizeKey(key, modifiers, view.styleWindow);
+
+  // Flush the debounce for the preview text.
+  view.debounce.flush();
+
+  await onDone;
+  await onPopupEvent;
+
+  info("Checking the state");
+  if (completion !== null) {
+    // The key might have been a TAB or shift-TAB, in which case the editor will
+    // be a new one
+    editor = inplaceEditor(view.styleDocument.activeElement);
+    is(editor.input.value, completion, "Correct value is autocompleted");
+  }
+  if (!open) {
+    ok(!(editor.popup && editor.popup.isOpen), "Popup is closed");
+  } else {
+    ok(editor.popup.isOpen, "Popup is open");
+    is(editor.popup.selectedIndex !== -1, selected, "An item is selected");
+  }
+}