Add tests for braille commands.

chrome/browser/resources/chromeos/chromevox/testing/mock_feedback_test.unitjs

Index: chrome/browser/resources/chromeos/chromevox/testing/mock_feedback_test.unitjs
diff --git a/chrome/browser/resources/chromeos/chromevox/testing/mock_feedback_test.unitjs b/chrome/browser/resources/chromeos/chromevox/testing/mock_feedback_test.unitjs
new file mode 100644
index 0000000000000000000000000000000000000000..77c82201bb02e715d35e028f4b55e43032a56c1f
--- /dev/null
+++ b/chrome/browser/resources/chromeos/chromevox/testing/mock_feedback_test.unitjs
@@ -0,0 +1,172 @@
+// 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(['chromevox_unittest_base.js',
+            'mock_feedback.js']);
+
+function speak(text, opt_properties) {
+  cvox.ChromeVox.tts.speak(text, 0, opt_properties);
+}
+
+function braille(text) {
+  var navBraille = cvox.NavBraille.fromText(text);
+  cvox.ChromeVox.braille.write(navBraille);
+  return navBraille;
+}
+
+/**
+ * Test fixture.
+ * @constructor
+ * @extends {ChromeVoxUnitTestBase}
+ */
+function MockFeedbackUnitTest() {
+  ChromeVoxUnitTestBase.call(this);
+  this.expectedCalls = [];
+}
+
+MockFeedbackUnitTest.prototype = {
+  __proto__: ChromeVoxUnitTestBase.prototype,
+
+  setUp: function() {
+    cvox.ChromeVox = cvox.ChromeVox || {};
+  },
+
+  closureModuleDeps: [
+    'cvox.BrailleInterface',
+    'cvox.NavBraille',
+    'cvox.TtsInterface'
+  ]
+};
+
+TEST_F('MockFeedbackUnitTest', 'speechAndCallbacks', function() {
+  var afterThirdStringCalled = false;
+  var spruiousStringEndCallbackCalled = false;
+  var finishCalled = false;
+  var mock = new MockFeedback(function() {
+    assertFalse(finishCalled);
+    finishCalled = true;
+
+    assertTrue(afterThirdStringCalled);
+    assertTrue(spruiousStringEndCallbackCalled);
+  });
+  mock.install();
+  speak('First string');
+  speak('Second string');
+  mock.expectSpeech('First string', 'Second string')
+      .expectSpeech('Third string')
+      .call(function() {
+        assertFalse(afterThirdStringCalled);
+        afterThirdStringCalled = true;
+        speak('Spurious string', {endCallback: function() {
+          assertFalse(spruiousStringEndCallbackCalled);
+          spruiousStringEndCallbackCalled = true;
+        }});
+        speak('Fourth string');
+      })
+      .expectSpeech('Fourth string')
+      .replay();
+  assertFalse(finishCalled);
+  speak('Third string');
+  assertTrue(finishCalled);
+});
+
+TEST_F('MockFeedbackUnitTest', 'startAndEndCallbacks', function() {
+  var onlyStartCallbackCalled = false;
+  var onlyEndCallbackCalled = false;
+  var bothCallbacksStartCalled = false;
+  var bothCallbacksEndCalled = false;
+  var mock = new MockFeedback();
+  mock.install();
+  speak('No callbacks', {});
+  speak('Only start callback', {startCallback: function() {
+    assertFalse(onlyStartCallbackCalled);
+    onlyStartCallbackCalled = true;
+    assertFalse(onlyEndCallbackCalled);
+  }});
+  speak('Only end callback', {endCallback: function() {
+    assertTrue(onlyStartCallbackCalled);
+    assertFalse(onlyEndCallbackCalled);
+    onlyEndCallbackCalled = true;
+    assertFalse(bothCallbacksStartCalled);
+  }});
+  speak('Both callbacks',
+        {startCallback: function() {
+          assertTrue(onlyEndCallbackCalled);
+          assertFalse(bothCallbacksStartCalled);
+          bothCallbacksStartCalled = true;
+          assertFalse(bothCallbacksEndCalled);
+        },
+        endCallback: function() {
+          assertTrue(bothCallbacksStartCalled);
+          assertFalse(bothCallbacksEndCalled);
+          bothCallbacksEndCalled = true;
+        }});
+  mock.expectSpeech('Both callbacks');
+  mock.replay();
+  assertTrue(bothCallbacksEndCalled);
+});
+
+TEST_F('MockFeedbackUnitTest', 'SpeechAndBraille', function() {
+  var secondCallbackCalled = false;
+  var finishCalled = false;
+  var mock = new MockFeedback(function() { finishCalled = true; });
+  var firstExpectedNavBraille;
+  mock.install();
+  braille('Some braille');
+  speak('Some speech');
+  mock.call(function() {
+    assertEquals(null, mock.lastMatchedBraille);
+    firstExpectedNavBraille = braille('First expected braille');
+    speak('First expected speech');
+    braille('Some other braille');
+  })
+      .expectSpeech('First expected speech')
+      .expectBraille('First expected braille')
+      .call(function() {
+        secondCallbackCalled = true;
+        assertEquals(firstExpectedNavBraille, mock.lastMatchedBraille);
+      })
+      .replay();
+  assertTrue(secondCallbackCalled);
+  assertTrue(finishCalled);
+});
+
+TEST_F('MockFeedbackUnitTest', 'expectWithRegex', function() {
+  var done = false;
+  var mock = new MockFeedback();
+  mock.install();
+  mock.call(function() { braille('Item 1 of 14'); })
+      .expectBraille(/Item \d+ of \d+/)
+      .call(function() { done = true;})
+      .replay();
+  assertTrue(done);
+});
+
+TEST_F('MockFeedbackUnitTest', 'expectAfterReplayThrows', function() {
+  var mock = new MockFeedback();
+  mock.replay();
+  assertException('', function() {
+    mock.expectSpeech('hello');
+  }, 'Error');
+});
+
+TEST_F('MockFeedbackUnitTest', 'NoMatchDoesNotFinish', function() {
+  var firstCallbackCalled = false;
+  var mock = new MockFeedback(function() {
+    throw Error('Should not be called');
+  });
+  mock.install();
+  braille('Some string');
+  mock.call(function() {
+    braille('Some other string');
+    firstCallbackCalled = true;
+  })
+      .expectBraille('Unmatched string')
+      .call(function() {
+        throw Error('Should not be called');
+      })
+      .replay();
+  assertTrue(firstCallbackCalled);
+});