1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 GEN_INCLUDE(['../testing/chromevox_unittest_base.js']);
8 * Base class for walker test fixtures.
10 * @extends {ChromeVoxUnitTestBase}
12 function CvoxWalkerUnitTestBase() {}
14 CvoxWalkerUnitTestBase.prototype = {
15 __proto__: ChromeVoxUnitTestBase.prototype,
19 'cvox.CursorSelection',
24 * Common set up for all walker test cases.
27 // Needed for getDescription and getGranularityMsg.
28 cvox.ChromeVox.msgs = new cvox.TestMsgs();
30 // Delete all nodes in the body.
31 while (document.body.hasChildNodes()) {
32 document.body.removeChild(document.body.lastChild);
35 this.walker = this.newWalker();
39 * Returns a new walker appropriate for the child test.
40 * @return {!cvox.AbstractWalker} The walker instance.
42 newWalker: goog.abstractMethod,
45 * Makes testing much less verbose. Executes the command on the
46 * selection, then asserts that for all the parameters passed in desc,
47 * the new selection matches. Returns the new selections if assertion passes.
48 * NOTE: If you change the parameters here, you should also change the
50 * @param {!cvox.CursorSelection} sel The selection.
51 * @param {!string|!cvox.CursorSelection} opt_cmdOrDest The command to
52 * execute, or the override returned selection.
53 * @param {{selText: string=,
55 * selParentNodeId: string=,
56 * selStartIndex: number=,
57 * selEndIndex: number=,
58 * selReversed: boolean=,
60 * descContext: string=,
61 * descAnnotation: string=,
62 * descUserValue: string=,
63 * descPersonality: string=}} desc The parameters to assert.
64 * selText: The text in the new selection matches for both start and end.
65 * selNodeId: The node in the new selection matches for both start and end.
66 * selParentNodeId: The parent node of both start and end matches.
67 * selStartIndex: The index of the absolute start.
68 * selEndIndex: The index of the absolute end.
69 * selReversed: True if should be reversed.
70 * descText: The text in the NavDescription when getDescription is called.
71 * descContext: The context in the NavDescription
72 * descAnnotation: The annotation in the NavDescription
73 * descUserValue: The userValue in the NavDescription
74 * descPersonality: The personality in the NavDescription
75 * @return {cvox.CursorSelection} The new selection.
77 go: function(sel, opt_cmdOrDest, desc) {
78 if (opt_cmdOrDest instanceof cvox.CursorSelection) {
79 var ret = opt_cmdOrDest;
81 if (CvoxWalkerUnitTestBase.CMD_WHITELIST.indexOf(opt_cmdOrDest) == -1) {
82 // Intentionally fail the test if there's a typo.
83 throw 'Got an invalid command: "' + opt_cmdOrDest + '".';
86 var ret = this.walker[opt_cmdOrDest](sel);
90 assertEquals(null, desc);
94 assertEquals(null, ret);
98 for (var key in desc) {
99 if (CvoxWalkerUnitTestBase.DESC_WHITELIST.indexOf(key) == -1) {
100 throw 'Invalid key in desc parameter: "' + key + '".';
104 // Intentionally only check one-to-one and not onto. This allows us to
105 // write tests that just ignore everything except what we care about.
106 if (desc.hasOwnProperty('selText')) {
107 assertEquals(desc.selText, ret.start.text);
108 assertEquals(desc.selText, ret.end.text);
110 if (desc.hasOwnProperty('selNodeId')) {
111 assertEquals(desc.selNodeId, ret.start.node.id);
112 assertEquals(desc.selNodeId, ret.end.node.id);
114 if (desc.hasOwnProperty('selParentNodeId')) {
115 assertEquals(desc.selParentNodeId, ret.start.node.parentNode.id);
116 assertEquals(desc.selParentNodeId, ret.end.node.parentNode.id);
118 if (desc.hasOwnProperty('selStartIndex')) {
119 assertEquals(desc.selStartIndex, ret.absStart().index);
121 if (desc.hasOwnProperty('selEndIndex')) {
122 assertEquals(desc.selEndIndex, ret.absEnd().index);
124 if (desc.hasOwnProperty('selReversed')) {
125 assertEquals(desc.selReversed, ret.isReversed());
128 var trueDesc = this.walker.getDescription(sel, ret)[0];
129 if (desc.hasOwnProperty('descText')) {
130 assertEquals(desc.descText, trueDesc.text);
132 if (desc.hasOwnProperty('descContext')) {
133 assertEquals(desc.descContext, trueDesc.context);
135 if (desc.hasOwnProperty('descAnnotation')) {
136 assertEquals(desc.descAnnotation, trueDesc.annotation);
138 if (desc.hasOwnProperty('descUserValue')) {
139 assertEquals(desc.descUserValue, trueDesc.userValue);
141 if (desc.hasOwnProperty('descPersonality')) {
142 assertEquals(desc.descPersonality, trueDesc.personality);
150 * Whitelist for the commands that are allowed to be executed with go().
151 * @type {Array.string}
154 CvoxWalkerUnitTestBase.CMD_WHITELIST = ['next', 'sync', 'nextRow', 'nextCol'];
157 * Whitelist for the properties that can be asserted with go().
158 * @type {Array.string}
161 CvoxWalkerUnitTestBase.DESC_WHITELIST = ['selText', 'selNodeId',
162 'selParentNodeId', 'selStartIndex', 'selEndIndex', 'selReversed', 'descText',
163 'descContext', 'descAnnotation', 'descUserValue', 'descPersonality'];
166 * Adds common walker tests
167 * @param {string} testFixture Name of the test fixture class.
169 CvoxWalkerUnitTestBase.addCommonTests = function(testFixture) {
171 * Ensures that syncing to the beginning and ends of the page return
174 TEST_F(testFixture, 'testSyncToPage', function() {
175 this.loadDoc(function() {/*!
176 <div><p id="a">a</p></div>
178 var ret = this.walker.begin();
179 assertNotEquals(null, ret);
180 ret = this.walker.begin({reversed: true});
181 assertNotEquals(null, ret);
185 * Ensures that sync(sync(sel)) = sync(sel)
186 * TODO (stoarca): The interfaces are not frozen yet. In particular,
187 * for TableWalker, sync can return null. Override if it doesn't work yet.
189 TEST_F(testFixture, 'testSyncInvariant', function() {
190 this.loadDoc(function() {/*!
201 var sel = cvox.CursorSelection.fromNode(
202 $('outer').firstChild);
203 var sync = this.walker.sync(sel);
204 var syncsync = this.walker.sync(sync);
205 assertEquals(true, sync.equals(syncsync));
207 sel = cvox.CursorSelection.fromNode($('a'));
208 sync = this.walker.sync(sel);
209 syncsync = this.walker.sync(sync);
210 assertEquals(true, sync.equals(syncsync));
212 sel = cvox.CursorSelection.fromNode($('e'));
213 sync = this.walker.sync(sel);
214 syncsync = this.walker.sync(sync);
215 assertEquals(true, sync.equals(syncsync));
217 sel = cvox.CursorSelection.fromBody();
218 sync = this.walker.sync(sel);
219 syncsync = this.walker.sync(sync);
220 assertEquals(true, sync.equals(syncsync));
224 * Ensures that all operations work on an empty body.
226 TEST_F(testFixture, 'testEmptyBody', function() {
227 var sel = cvox.CursorSelection.fromBody();
229 // Testing for infinite loop. If one exists, this test will fail by timing
231 var sync = this.walker.sync(sel);
232 var next = this.walker.next(sel);