Revert of Reimplement automation API on top of C++-backed AXTree.

chrome/test/data/extensions/api_test/automation/tests/unit/test.js

+// Copyright 2014 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.
+
+chrome.test.runWithModuleSystem(function(moduleSystem) {
+  window.AutomationRootNode =
+      moduleSystem.require('automationNode').AutomationRootNode;
+  window.privates = moduleSystem.privates;
+  // Unused.
+  window.automationUtil = function() {};
+  window.automationUtil.storeTreeCallback = function() {};
+  window.automationUtil.treeChangeObservers = [];
+});
+
+var assertEq = chrome.test.assertEq;
+var assertFalse = chrome.test.assertFalse;
+var assertTrue = chrome.test.assertTrue;
+var assertIsDef = function(obj) {
+  assertTrue(obj !== null && obj !== undefined);
+}
+var assertIsNotDef = function(obj) {
+  assertTrue(obj === null || obj === undefined);
+}
+var succeed = chrome.test.succeed;
+
+var tests = [
+  function testAutomationRootNode() {
+    var root = new AutomationRootNode();
+    assertTrue(root.isRootNode);
+
+    succeed();
+  },
+
+  function testAriaRelationshipAttributes() {
+    var data = {
+      'eventType': 'loadComplete',
+          'processID': 17, 'routingID': 2, 'targetID': 1,
+      'update': { 'nodeIdToClear': 0, 'nodes': [
+        {
+          'id': 1, 'role': 'rootWebArea',
+          'boolAttributes': {'docLoaded': true },
+          'childIds': [5, 6, 7, 8, 9, 10, 11]
+        },
+        {
+          'id': 11,        'role': 'div',
+          'childIds': [],
+          'htmlAttributes': {'id': 'target' }
+        },
+        {
+          'id': 5, 'role': 'div',
+          'childIds': [],
+          'htmlAttributes': {'aria-activedescendant': 'target',
+                             'id': 'activedescendant'},
+          'intAttributes': {'activedescendantId': 11},
+        },
+        {
+          'id': 6, 'role': 'div',
+          'childIds': [],
+          'htmlAttributes': {'aria-controls': 'target', 'id': 'controlledBy'},
+          'intlistAttributes': {'controlsIds': [11]},
+        },
+        {
+          'id': 7, 'role': 'div',
+          'childIds': [],
+          'htmlAttributes': {'aria-describedby': 'target', 'id': 'describedBy'},
+          'intlistAttributes': {'describedbyIds': [11, 6]},
+        },
+        {
+          'id': 8, 'role': 'div',
+          'childIds': [],
+          'htmlAttributes': {'aria-flowto': 'target', 'id': 'flowTo'},
+          'intlistAttributes': {'flowtoIds': [11]},
+        },
+        {
+          'id': 9, 'role': 'div',
+          'childIds': [],
+          'htmlAttributes': {'aria-labelledby': 'target', 'id': 'labelledBy'},
+          'intlistAttributes': {'labelledbyIds': [11]}
+        },
+        {
+          'id': 10, 'role': 'div',
+          'childIds': [],
+          'htmlAttributes': {'aria-owns': 'target', 'id': 'owns'},
+          'intlistAttributes': {'ownsIds': [11]},
+        }
+      ]}
+    }
+
+    var tree = new AutomationRootNode();
+    try {
+    privates(tree).impl.onAccessibilityEvent(data);
+    } catch (e) {
+      console.log(e.stack);
+    }
+
+    var activedescendant = tree.firstChild;
+    assertIsDef(activedescendant);
+    assertEq('activedescendant', activedescendant.attributes.id);
+    assertEq(
+        'target',
+        activedescendant.attributes['aria-activedescendant'].attributes.id);
+
+    assertFalse(activedescendant.activedescendant == null,
+                'activedescendant should not be null');
+    assertEq(
+        'target',
+        activedescendant.activedescendant.attributes.id);
+    assertIsNotDef(activedescendant.attributes.activedescendantId);
+
+    var controlledBy = activedescendant.nextSibling;
+    assertIsDef(controlledBy);
+    assertEq('controlledBy', controlledBy.attributes.id);
+    assertEq(1, controlledBy.attributes['aria-controls'].length);
+    assertEq('target',
+             controlledBy.attributes['aria-controls'][0].attributes.id);
+    assertEq(1, controlledBy.controls.length);
+    assertEq('target', controlledBy.controls[0].attributes.id);
+    assertIsNotDef(controlledBy.attributes.controlledbyIds);
+
+    var describedBy = controlledBy.nextSibling;
+    assertIsDef(describedBy);
+    assertEq('describedBy', describedBy.attributes.id);
+    assertEq(2, describedBy.attributes['aria-describedby'].length);
+    assertEq('target',
+             describedBy.attributes['aria-describedby'][0].attributes.id);
+    assertEq('controlledBy',
+             describedBy.attributes['aria-describedby'][1].attributes.id);
+    assertEq(2, describedBy.describedby.length);
+    assertEq('target', describedBy.describedby[0].attributes.id);
+    assertEq('controlledBy',
+             describedBy.describedby[1].attributes.id);
+    assertIsNotDef(describedBy.attributes.describedbyIds);
+
+    var flowTo = describedBy.nextSibling;
+    assertIsDef(flowTo);
+    assertEq('flowTo', flowTo.attributes.id);
+    assertEq(1, flowTo.attributes['aria-flowto'].length);
+    assertEq('target',
+             flowTo.attributes['aria-flowto'][0].attributes.id);
+    assertEq(1, flowTo.flowto.length);
+    assertEq('target', flowTo.flowto[0].attributes.id);
+    assertIsNotDef(flowTo.attributes.flowtoIds);
+
+    var labelledBy = flowTo.nextSibling;
+    assertIsDef(labelledBy);
+    assertEq('labelledBy', labelledBy.attributes.id);
+    assertEq(1, labelledBy.attributes['aria-labelledby'].length);
+    assertEq('target',
+             labelledBy.attributes['aria-labelledby'][0].attributes.id);
+    assertEq(1, labelledBy.labelledby.length);
+    assertEq('target',
+             labelledBy.labelledby[0].attributes.id);
+    assertIsNotDef(labelledBy.attributes.labelledbyIds);
+
+    var owns = labelledBy.nextSibling;
+    assertIsDef(owns);
+    assertEq('owns', owns.attributes.id);
+    assertEq(1, owns.attributes['aria-owns'].length);
+    assertEq('target', owns.attributes['aria-owns'][0].attributes.id);
+    assertEq(1, owns.owns.length);
+    assertEq('target', owns.owns[0].attributes.id);
+    assertIsNotDef(owns.attributes.ownsIds);
+
+    succeed();
+  },
+
+  function testCannotSetAttribute() {
+    var update =
+        {
+          'nodeIdToClear': 0, 'nodes': [
+            {
+              'id': 1, 'role': 'rootWebArea',
+              'boolAttributes': {'docLoaded': true},
+              'childIds': [11]
+            },
+            {
+              'id': 11, 'role': 'button',
+              'stringAttributes': {'name': 'foo'},
+              'childIds': []
+            }]
+        }
+
+    var tree = new AutomationRootNode();
+    assertTrue(privates(tree).impl.unserialize(update));
+    var button = tree.firstChild;
+    assertEq('button', button.role);
+    assertEq('foo', button.name);
+    button.name = 'bar';
+    assertEq('foo', button.name);
+
+    succeed();
+  },
+
+  function testBadUpdateInvalidChildIds() {
+    var update =
+        {
+          'nodeIdToClear': 0, 'nodes': [
+            {
+              'id': 1, 'role': 'rootWebArea',
+              'boolAttributes': {'docLoaded': true},
+              'childIds': [5, 6, 7, 8, 9, 10, 11]
+            }]
+        }
+
+    var tree = new AutomationRootNode();
+
+    // This is a bad update because the root references non existent child ids.
+    assertFalse(privates(tree).impl.unserialize(update));
+
+    succeed();
+  },
+
+  function testMultipleUpdateNameChanged() {
+    var update =
+        {
+          'nodeIdToClear': 0, 'nodes': [
+            {
+              'id': 1, 'role': 'rootWebArea',
+              'boolAttributes': {'docLoaded': true},
+              'childIds': [11]
+            },
+            {
+              'id': 11, 'role': 'button',
+              'stringAttributes': {'name': 'foo'},
+              'childIds': []
+            }]
+        }
+
+    // First, setup the initial tree.
+    var tree = new AutomationRootNode();
+    assertTrue(privates(tree).impl.unserialize(update));
+    var button = tree.firstChild;
+    assertEq('button', button.role);
+    assertEq('foo', button.name);
+
+    // Now, apply an update that changes the button's name.
+    // Remove the root since the native serializer stops at the LCA.
+    update.nodes.splice(0, 1);
+    update.nodes[0].stringAttributes.name = 'bar';
+
+    // Make sure the name changes.
+    assertTrue(privates(tree).impl.unserialize(update));
+    assertEq('bar', button.name);
+
+    succeed();
+  },
+
+  function testDocumentAndScrollableMixins() {
+    var update = { 'nodeIdToClear': 0, 'nodes': [
+        {
+          'id': 1, 'role': 'rootWebArea',
+          'boolAttributes': { 'docLoaded': false },
+          'stringAttributes': { 'docUrl': 'chrome://terms',
+                                'docTitle': 'Google Chrome Terms of Service' },
+          'intAttributes': { 'scrollY': 583,
+                             'scrollYMax': 9336 },
+          'floatAttributes': { 'docLoadingProgress': 0.9 },
+          'childIds': [2]
+        },
+        {
+          'id': 2, 'role': 'div',
+          'childIds': [],
+          'htmlAttributes': { 'id': 'child' },
+        },
+    ] };
+
+    var tree = new AutomationRootNode();
+    assertTrue(privates(tree).impl.unserialize(update));
+    assertEq(false, tree.docLoaded);
+    assertEq('chrome://terms', tree.docUrl);
+    assertEq('Google Chrome Terms of Service', tree.docTitle);
+    assertEq('0.9', tree.docLoadingProgress.toPrecision(1));
+    assertEq(583, tree.scrollY);
+    assertEq(9336, tree.scrollYMax);
+    // Default values will be set for mixin attributes even if not in data.
+    assertEq(0, tree.scrollYMin);
+    assertEq(0, tree.scrollX);
+    assertEq(0, tree.scrollXMin);
+    assertEq(0, tree.scrollXMax);
+
+    succeed();
+  },
+
+  function testEditableTextMixins() {
+    var update = { 'nodeIdToClear': 0, 'nodes': [
+        {
+          'id': 1, 'role': 'rootWebArea',
+          'boolAttributes': { 'docLoaded': true },
+          'stringAttributes': { 'docUrl': 'chrome://terms',
+                                'docTitle': 'Google Chrome Terms of Service' },
+          'intAttributes': { 'scrollY': 583,
+                             'scrollYMax': 9336 },
+          'childIds': [2, 3]
+        },
+        {
+          'id': 2, 'role': 'textField',
+          'intAttributes': { 'textSelStart': 10, 'textSelEnd': 20 },
+          'childIds': []
+        },
+        {
+          'id': 3, 'role': 'textField',
+          'childIds': []
+        },
+
+    ] };
+
+    var tree = new AutomationRootNode();
+    assertTrue(privates(tree).impl.unserialize(update));
+    assertEq(true, tree.docLoaded);
+    assertFalse('textSelStart' in tree);
+    assertFalse('textSelEnd' in tree);
+    var textField = tree.firstChild;
+    assertEq(10, textField.textSelStart);
+    assertEq(20, textField.textSelEnd);
+    var textArea = textField.nextSibling;
+    assertEq(-1, textArea.textSelStart);
+    assertEq(-1, textArea.textSelEnd);
+
+    succeed();
+  },
+
+  function testRangeMixins() {
+    var update = { 'nodeIdToClear': 0, 'nodes': [
+        {
+          'id': 1, 'role': 'rootWebArea',
+          'boolAttributes': { 'docLoaded': true },
+          'stringAttributes': { 'docUrl': 'chrome://terms',
+                                'docTitle': 'Google Chrome Terms of Service' },
+          'intAttributes': { 'scrollY': 583,
+                             'scrollYMax': 9336 },
+          'childIds': [2, 3, 4, 5]
+        },
+        {
+          'id': 2, 'role': 'progressIndicator',
+          'floatAttributes': { 'valueForRange': 1.0,
+                               'minValueForRange': 0.0,
+                               'maxValueForRange': 1.0 },
+          'childIds': []
+        },
+        {
+          'id': 3, 'role': 'scrollBar',
+          'floatAttributes': { 'valueForRange': 0.3,
+                               'minValueForRange': 0.0,
+                               'maxValueForRange': 1.0 },
+          'childIds': []
+        },
+        {
+          'id': 4, 'role': 'slider',
+          'floatAttributes': { 'valueForRange': 3.0,
+                               'minValueForRange': 1.0,
+                               'maxValueForRange': 5.0 },
+          'childIds': []
+        },
+        {
+          'id': 5, 'role': 'spinButton',
+          'floatAttributes': { 'valueForRange': 14.0,
+                               'minValueForRange': 1.0,
+                               'maxValueForRange': 31.0 },
+          'childIds': []
+        }
+    ] };
+
+    var tree = new AutomationRootNode();
+    assertTrue(privates(tree).impl.unserialize(update));
+    assertEq(true, tree.docLoaded);
+    assertFalse('valueForRange' in tree);
+    assertFalse('minValueForRange' in tree);
+    assertFalse('maxValueForRange' in tree);
+
+    var progressIndicator = tree.firstChild;
+    assertEq(1.0, progressIndicator.valueForRange);
+    assertEq(0.0, progressIndicator.minValueForRange);
+    assertEq(1.0, progressIndicator.maxValueForRange);
+
+    var scrollBar = progressIndicator.nextSibling;
+    assertEq(0.3, scrollBar.valueForRange);
+    assertEq(0.0, scrollBar.minValueForRange);
+    assertEq(1.0, scrollBar.maxValueForRange);
+
+    var slider = scrollBar.nextSibling;
+    assertEq(3.0, slider.valueForRange);
+    assertEq(1.0, slider.minValueForRange);
+    assertEq(5.0, slider.maxValueForRange);
+
+    var spinButton = slider.nextSibling;
+    assertEq(14.0, spinButton.valueForRange);
+    assertEq(1.0, spinButton.minValueForRange);
+    assertEq(31.0, spinButton.maxValueForRange);
+
+    succeed();
+  },
+
+  function testTableMixins() {
+        var update = { 'nodeIdToClear': 0, 'nodes': [
+        {
+          'id': 1, 'role': 'rootWebArea',
+          'boolAttributes': { 'docLoaded': true },
+          'stringAttributes': { 'docUrl': 'chrome://terms',
+                                'docTitle': 'Google Chrome Terms of Service' },
+          'intAttributes': { 'scrollY': 583,
+                             'scrollYMax': 9336 },
+          'childIds': [2]
+        },
+        {
+          'id': 2, 'role': 'table',
+          'childIds': [3, 6],
+          'intAttributes': { tableRowCount: 2, tableColumnCount: 3 }
+        },
+        {
+          'id': 3, 'role': 'row',
+          'childIds': [4, 5]
+        },
+        {
+          'id': 4, 'role': 'cell',
+          'intAttributes': { 'tableCellColumnIndex': 0,
+                             'tableCellColumnSpan': 2,
+                             'tableCellRowIndex': 0,
+                             'tableCellRowSpan': 1 },
+          'childIds': []
+        },
+        {
+          'id': 5, 'role': 'cell',
+          'intAttributes': { 'tableCellColumnIndex': 2,
+                             'tableCellColumnSpan': 1,
+                             'tableCellRowIndex': 0,
+                             'tableCellRowSpan': 2 },
+          'childIds': []
+        },
+        {
+          'id': 6, 'role': 'row',
+          'childIds': [7, 8]
+        },
+        {
+          'id': 7, 'role': 'cell',
+          'intAttributes': { 'tableCellColumnIndex': 0,
+                             'tableCellColumnSpan': 1,
+                             'tableCellRowIndex': 1,
+                             'tableCellRowSpan': 1 },
+          'childIds': []
+        },
+        {
+          'id': 8, 'role': 'cell',
+          'intAttributes': { 'tableCellColumnIndex': 1,
+                             'tableCellColumnSpan': 1,
+                             'tableCellRowIndex': 1,
+                             'tableCellRowSpan': 1 },
+          'childIds': []
+        }
+    ] };
+
+    var tree = new AutomationRootNode();
+    try {
+    assertTrue(privates(tree).impl.unserialize(update));
+    } catch (e) {
+      console.log(e.stack);
+    }
+    var TableMixinAttributes = {
+      tableRowCount: 0,
+      tableColumnCount: 0
+    };
+    for (var attribute in TableMixinAttributes)
+      assertFalse(attribute in tree);
+
+    var TableCellMixinAttributes = {
+      tableCellColumnIndex: 0,
+      tableCellColumnSpan: 1,
+      tableCellRowIndex: 0,
+      tableCellRowSpan: 1
+    };
+    for (var attribute in TableCellMixinAttributes)
+      assertFalse(attribute in tree);
+
+    var table = tree.firstChild;
+    assertEq(2, table.tableRowCount);
+    assertEq(3, table.tableColumnCount);
+
+    var row1 = table.firstChild;
+    var cell1 = row1.firstChild;
+    assertEq(0, cell1.tableCellColumnIndex);
+    assertEq(2, cell1.tableCellColumnSpan);
+    assertEq(0, cell1.tableCellRowIndex);
+    assertEq(1, cell1.tableCellRowSpan);
+
+    var cell2 = cell1.nextSibling;
+    assertEq(2, cell2.tableCellColumnIndex);
+    assertEq(1, cell2.tableCellColumnSpan);
+    assertEq(0, cell2.tableCellRowIndex);
+    assertEq(2, cell2.tableCellRowSpan);
+
+    var row2 = row1.nextSibling;
+    var cell3 = row2.firstChild;
+    assertEq(0, cell3.tableCellColumnIndex);
+    assertEq(1, cell3.tableCellColumnSpan);
+    assertEq(1, cell3.tableCellRowIndex);
+    assertEq(1, cell3.tableCellRowSpan);
+
+    var cell4 = cell3.nextSibling;
+    assertEq(1, cell4.tableCellColumnIndex);
+    assertEq(1, cell4.tableCellColumnSpan);
+    assertEq(1, cell4.tableCellRowIndex);
+    assertEq(1, cell4.tableCellRowSpan);
+
+    succeed();
+  }
+];
+
+chrome.test.runTests(tests);