Complete live region support in ChromeVox Next.

chrome/browser/resources/chromeos/chromevox/cvox2/background/live_regions_test.extjs

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Include test fixture.
+GEN_INCLUDE(['../../testing/chromevox_next_e2e_test_base.js',
+             '../../testing/assert_additions.js']);
+
+GEN_INCLUDE(['../../testing/mock_feedback.js']);
+
+/**
+ * Test fixture for Live Regions.
+ * @constructor
+ * @extends {ChromeVoxNextE2ETest}
+ */
+function LiveRegionsTest() {
+  ChromeVoxNextE2ETest.call(this);
+}
+
+LiveRegionsTest.prototype = {
+  __proto__: ChromeVoxNextE2ETest.prototype,
+
+  /** @override */
+  setUp: function() {
+    global.backgroundObj.forceChromeVoxNextActive();
+    window.RoleType = chrome.automation.RoleType;
+  },
+
+  /**
+   * @return {!MockFeedback}
+   */
+  createMockFeedback: function() {
+    var mockFeedback = new MockFeedback(this.newCallback(),
+                                        this.newCallback.bind(this));
+    mockFeedback.install();
+    return mockFeedback;
+  },
+
+  /**
+   * Create a function which performs the command |cmd|.
+   * @param {string} cmd
+   * @return {function() : void}
+   */
+  doCmd: function(cmd) {
+    return function() {
+      global.backgroundObj.onGotCommand(cmd);
+    };
+  },
+};
+
+TEST_F('LiveRegionsTest', 'LiveRegionAddElement', function() {
+  var mockFeedback = this.createMockFeedback();
+  this.runWithLoadedTree(
+    function() {/*!
+      <h1>Document with live region</h1>
+      <p id="live" aria-live="polite"></p>
+      <button id="go">Go</button>
+      <script>
+        document.getElementById('go').addEventListener('click', function() {
+          document.getElementById('live').innerHTML = 'Hello, world';
+        }, false);
+      </script>
+    */},
+    function(rootNode) {
+      var go = rootNode.find({ role: RoleType.button });
+      mockFeedback.call(go.doDefault.bind(go))
+          .expectCategoryFlushSpeech('Hello, world');
+      mockFeedback.replay();
+    });
+});
+
+TEST_F('LiveRegionsTest', 'LiveRegionRemoveElement', function() {
+  var mockFeedback = this.createMockFeedback();
+  this.runWithLoadedTree(
+    function() {/*!
+      <h1>Document with live region</h1>
+      <p id="live" aria-live="polite" aria-relevant="removals">Hello, world</p>
+      <button id="go">Go</button>
+      <script>
+        document.getElementById('go').addEventListener('click', function() {
+          document.getElementById('live').innerHTML = '';
+        }, false);
+      </script>
+    */},
+    function(rootNode) {
+      var go = rootNode.find({ role: RoleType.button });
+      go.doDefault();
+      mockFeedback.expectCategoryFlushSpeech('removed:')
+          .expectQueuedSpeech('Hello, world');
+      mockFeedback.replay();
+    });
+});
+
+TEST_F('LiveRegionsTest', 'LiveRegionChangeAtomic', function() {
+  var mockFeedback = this.createMockFeedback();
+  this.runWithLoadedTree(
+    function() {/*!
+      <div id="live" aria-live="polite" aria-atomic="true">
+        <div id="a"></div><div id="b">Bravo</div><div id="c"></div>
+      </div>
+      <button id="go">Go</button>
+      <script>
+        document.getElementById('go').addEventListener('click', function() {
+          document.getElementById('c').textContent = 'Charlie';
+          document.getElementById('a').textContent = 'Alpha';
+        }, false);
+      </script>
+    */},
+    function(rootNode) {
+      var go = rootNode.find({ role: RoleType.button });
+      mockFeedback.call(go.doDefault.bind(go))
+          .expectQueuedSpeech('Alpha')
+          .expectQueuedSpeech('Bravo')
+          .expectQueuedSpeech('Charlie');
+      mockFeedback.replay();
+    });
+});
+
+TEST_F('LiveRegionsTest', 'LiveRegionChangeImageAlt', function() {
+  var mockFeedback = this.createMockFeedback();
+  this.runWithLoadedTree(
+    function() {/*!
+      <div id="live" aria-live="polite">
+        <img id="img" src="#" alt="Before">
+      </div>
+      <button id="go">Go</button>
+      <script>
+        document.getElementById('go').addEventListener('click', function() {
+          document.getElementById('img').setAttribute('alt', 'After');
+        }, false);
+      </script>
+    */},
+    function(rootNode) {
+      var go = rootNode.find({ role: RoleType.button });
+      mockFeedback.call(go.doDefault.bind(go))
+          .expectCategoryFlushSpeech('After')
+          .expectQueuedSpeech('Image');
+      mockFeedback.replay();
+    });
+});
+
+TEST_F('LiveRegionsTest', 'LiveRegionThenFocus', function() {
+  var mockFeedback = this.createMockFeedback();
+  this.runWithLoadedTree(
+    function() {/*!
+      <div id="live" aria-live="polite"></div>
+      <button id="go">Go</button>
+      <button id="focus">Focus</button>
+      <script>
+        document.getElementById('go').addEventListener('click', function() {
+          document.getElementById('live').textContent = 'Live';
+          window.setTimeout(function() {
+            document.getElementById('focus').focus();
+          }, 50);
+        }, false);
+      </script>
+    */},
+    function(rootNode) {
+      var go = rootNode.find({ role: RoleType.button });
+      mockFeedback.call(go.doDefault.bind(go))
+          .expectCategoryFlushSpeech('Live')
+          .expectQueuedSpeech('Focus');
+      mockFeedback.replay();
+    });
+});
+
+TEST_F('LiveRegionsTest', 'FocusThenLiveRegion', function() {
+  var mockFeedback = this.createMockFeedback();
+  this.runWithLoadedTree(
+    function() {/*!
+      <div id="live" aria-live="polite"></div>
+      <button id="go">Go</button>
+      <button id="focus">Focus</button>
+      <script>
+        document.getElementById('go').addEventListener('click', function() {
+          document.getElementById('focus').focus();
+          window.setTimeout(function() {
+            document.getElementById('live').textContent = 'Live';
+          }, 50);
+        }, false);
+      </script>
+    */},
+    function(rootNode) {
+      var go = rootNode.find({ role: RoleType.button });
+      mockFeedback.call(go.doDefault.bind(go))
+          .expectQueuedSpeech('Focus')
+          .expectCategoryFlushSpeech('Live');
+      mockFeedback.replay();
+    });
+});
+
+TEST_F('LiveRegionsTest', 'LiveRegionCategoryFlush', function() {
+  var mockFeedback = this.createMockFeedback();
+  this.runWithLoadedTree(
+    function() {/*!
+      <div id="live1" aria-live="polite"></div>
+      <div id="live2" aria-live="polite"></div>
+      <button id="go">Go</button>
+      <button id="focus">Focus</button>
+      <script>
+        document.getElementById('go').addEventListener('click', function() {
+          document.getElementById('live1').textContent = 'Live1';
+          window.setTimeout(function() {
+            document.getElementById('live2').textContent = 'Live2';
+          }, 1000);
+        }, false);
+      </script>
+    */},
+    function(rootNode) {
+      var go = rootNode.find({ role: RoleType.button });
+      mockFeedback.call(go.doDefault.bind(go))
+          .expectCategoryFlushSpeech('Live1')
+          .expectCategoryFlushSpeech('Live2');
+      mockFeedback.replay();
+    });
+});