Update getUserMedia W3C conformance tests.

This CL updates these tests to the spec as of
http://dev.w3.org/2011/webrtc/editor/archives/20130824/getusermedia.html

There are still a lot of functionality that lacks testing. I've put a bunch of TODOs in there but I'm unlikely to get time to implement them all any time soon...

TEST=local testing with Chrome Canary.
BUG=
R=phoglund@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2639004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5090 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/test/w3c/getusermedia_conformance_test.js b/webrtc/test/w3c/getusermedia_conformance_test.js
new file mode 100644
index 0000000..6be2932
--- /dev/null
+++ b/webrtc/test/w3c/getusermedia_conformance_test.js
@@ -0,0 +1,451 @@
+// Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS.  All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
+
+setup({timeout:10000});
+
+// Helper functions to minimize code duplication.
+function failedCallback(test) {
+  return test.step_func(function (error) {
+    assert_unreached('Should not get an error callback');
+  });
+}
+function invokeGetUserMedia(test, okCallback) {
+  getUserMedia({ video: true, audio: true }, okCallback,
+      failedCallback(test));
+}
+
+// 4.2 MediaStream.
+var mediaStreamTest = async_test('4.2 MediaStream');
+
+function verifyMediaStream(stream) {
+  // TODO(kjellander): Add checks for default values where applicable.
+  test(function () {
+    assert_own_property(stream, 'id');
+    assert_true(typeof stream.id === 'string');
+    assert_readonly(stream, 'id');
+  }, '[MediaStream] id attribute');
+
+  test(function () {
+    assert_inherits(stream, 'getAudioTracks');
+    assert_true(typeof stream.getAudioTracks === 'function');
+  }, '[MediaStream] getAudioTracks function');
+
+  test(function () {
+    assert_inherits(stream, 'getVideoTracks');
+    assert_true(typeof stream.getVideoTracks === 'function');
+  }, '[MediaStream] getVideoTracks function');
+
+  test(function () {
+    assert_inherits(stream, 'getTrackById');
+    assert_true(typeof stream.getTrackById === 'function');
+  }, '[MediaStream] getTrackById function');
+
+  test(function () {
+    assert_inherits(stream, 'addTrack');
+    assert_true(typeof stream.addTrack === 'function');
+  }, '[MediaStream] addTrack function');
+
+  test(function () {
+    assert_inherits(stream, 'removeTrack');
+    assert_true(typeof stream.removeTrack === 'function');
+  }, '[MediaStream] removeTrack function');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_inherits(stream, 'clone');
+    assert_true(typeof stream.clone === 'function');
+  }, '[MediaStream] clone function');
+
+  test(function () {
+    assert_own_property(stream, 'ended');
+    assert_true(typeof stream.ended === 'boolean');
+    assert_readonly(stream, 'ended');
+  }, '[MediaStream] ended attribute');
+
+  test(function () {
+    assert_own_property(stream, 'onended');
+    assert_true(stream.onended === null);
+  }, '[MediaStream] onended EventHandler');
+
+  test(function () {
+    assert_own_property(stream, 'onaddtrack');
+    assert_true(stream.onaddtrack === null);
+  }, '[MediaStream] onaddtrack EventHandler');
+
+  test(function () {
+    assert_own_property(stream, 'onremovetrack');
+    assert_true(stream.onremovetrack === null);
+  }, '[MediaStream] onremovetrack EventHandler');
+}
+
+mediaStreamTest.step(function() {
+  var okCallback = mediaStreamTest.step_func(function (stream) {
+    verifyMediaStream(stream);
+
+    var videoTracks = stream.getVideoTracks();
+    assert_true(videoTracks.length > 0);
+
+    // Verify event handlers are working.
+    stream.onaddtrack = onAddTrackCallback
+    stream.onremovetrack = onRemoveTrackCallback
+    stream.removeTrack(videoTracks[0]);
+    stream.addTrack(videoTracks[0]);
+    mediaStreamTest.done();
+  });
+  var onAddTrackCallback = mediaStreamTest.step_func(function () {
+    // TODO(kjellander): verify number of tracks.
+    mediaStreamTest.done();
+  });
+  var onRemoveTrackCallback = mediaStreamTest.step_func(function () {
+    // TODO(kjellander): verify number of tracks.
+    mediaStreamTest.done();
+  });
+  invokeGetUserMedia(mediaStreamTest, okCallback);;
+});
+
+// 4.3 MediaStreamTrack.
+var mediaStreamTrackTest = async_test('4.3 MediaStreamTrack');
+
+function verifyTrack(type, track) {
+  test(function () {
+    assert_own_property(track, 'kind');
+    assert_readonly(track, 'kind');
+    assert_true(typeof track.kind === 'string',
+        'kind is an object (DOMString)');
+  }, '[MediaStreamTrack (' + type + ')] kind attribute');
+
+  test(function () {
+    assert_own_property(track, 'id');
+    assert_readonly(track, 'id');
+    assert_true(typeof track.id === 'string',
+        'id is an object (DOMString)');
+  }, '[MediaStreamTrack (' + type + ')] id attribute');
+
+  test(function () {
+    assert_own_property(track, 'label');
+    assert_readonly(track, 'label');
+    assert_true(typeof track.label === 'string',
+        'label is an object (DOMString)');
+  }, '[MediaStreamTrack (' + type + ')] label attribute');
+
+  test(function () {
+    assert_own_property(track, 'enabled');
+    assert_true(typeof track.enabled === 'boolean');
+    assert_true(track.enabled, 'enabled property must be true initially');
+  }, '[MediaStreamTrack (' + type + ')] enabled attribute');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_own_property(track, 'muted');
+    assert_readonly(track, 'muted');
+    assert_true(typeof track.muted === 'boolean');
+    assert_false(track.muted, 'muted property must be false initially');
+  }, '[MediaStreamTrack (' + type + ')] muted attribute');
+
+  test(function () {
+    assert_own_property(track, 'onmute');
+    assert_true(track.onmute === null);
+  }, '[MediaStreamTrack (' + type + ')] onmute EventHandler');
+
+  test(function () {
+    assert_own_property(track, 'onunmute');
+    assert_true(track.onunmute === null);
+  }, '[MediaStreamTrack (' + type + ')] onunmute EventHandler');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_own_property(track, '_readonly');
+    assert_readonly(track, '_readonly');
+    assert_true(typeof track._readonly === 'boolean');
+  }, '[MediaStreamTrack (' + type + ')] _readonly attribute');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_own_property(track, 'remote');
+    assert_readonly(track, 'remote');
+    assert_true(typeof track.remote === 'boolean');
+  }, '[MediaStreamTrack (' + type + ')] remote attribute');
+
+  test(function () {
+    assert_own_property(track, 'readyState');
+    assert_readonly(track, 'readyState');
+    assert_true(typeof track.readyState === 'string');
+    // TODO(kjellander): verify the initial state.
+  }, '[MediaStreamTrack (' + type + ')] readyState attribute');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_own_property(track, 'onstarted');
+    assert_true(track.onstarted === null);
+  }, '[MediaStreamTrack (' + type + ')] onstarted EventHandler');
+
+  test(function () {
+    assert_own_property(track, 'onended');
+    assert_true(track.onended === null);
+  }, '[MediaStreamTrack (' + type + ')] onended EventHandler');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_inherits(track, 'getSourceInfos');
+    assert_true(typeof track.getSourceInfos === 'function');
+  }, '[MediaStreamTrack (' + type + ')]: getSourceInfos function');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_inherits(track, 'constraints');
+    assert_true(typeof track.constraints === 'function');
+  }, '[MediaStreamTrack (' + type + ')]: constraints function');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_inherits(track, 'states');
+    assert_true(typeof track.states === 'function');
+  }, '[MediaStreamTrack (' + type + ')]: states function');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_inherits(track, 'capabilities');
+    assert_true(typeof track.capabilities === 'function');
+  }, '[MediaStreamTrack (' + type + ')]: capabilities function');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_inherits(track, 'applyConstraints');
+    assert_true(typeof track.applyConstraints === 'function');
+  }, '[MediaStreamTrack (' + type + ')]: applyConstraints function');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_own_property(track, 'onoverconstrained');
+    assert_true(track.onoverconstrained === null);
+  }, '[MediaStreamTrack (' + type + ')] onoverconstrained EventHandler');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_inherits(track, 'clone');
+    assert_true(typeof track.clone === 'function');
+  }, '[MediaStreamTrack (' + type + ')] clone function');
+
+  test(function () {
+    // Missing in Chrome.
+    assert_inherits(track, 'stop');
+    assert_true(typeof track.stop === 'function');
+  }, '[MediaStreamTrack (' + type + ')] stop function');
+};
+mediaStreamTrackTest.step(function() {
+  var okCallback = mediaStreamTrackTest.step_func(function (stream) {
+    verifyTrack('audio', stream.getAudioTracks()[0]);
+    verifyTrack('video', stream.getVideoTracks()[0]);
+    mediaStreamTrackTest.done();
+  });
+  invokeGetUserMedia(mediaStreamTrackTest, okCallback);
+});
+
+mediaStreamTrackTest.step(function() {
+  var okCallback = mediaStreamTrackTest.step_func(function (stream) {
+    // Verify event handlers are working.
+    var track = stream.getVideoTracks()[0];
+    track.onended = onendedCallback
+    track.stop();
+    mediaStreamTrackTest.done();
+  });
+  var onendedCallback = mediaStreamTrackTest.step_func(function () {
+    assert_true(track.ended);
+    mediaStreamTrackTest.done();
+  });
+  invokeGetUserMedia(mediaStreamTrackTest, okCallback);
+});
+
+// 4.4 MediaStreamTrackEvent tests.
+var mediaStreamTrackEventTest = async_test('4.4 MediaStreamTrackEvent');
+mediaStreamTrackEventTest.step(function() {
+  var okCallback = mediaStreamTrackEventTest.step_func(function (stream) {
+    // TODO(kjellander): verify attributes
+    mediaStreamTrackEventTest.done();
+  });
+  invokeGetUserMedia(mediaStreamTrackEventTest, okCallback);
+});
+
+// 4.5 Video and Audio Tracks tests.
+var avTracksTest = async_test('4.5 Video and Audio Tracks');
+avTracksTest.step(function() {
+  var okCallback = avTracksTest.step_func(function (stream) {
+    // TODO(kjellander): verify attributes
+    avTracksTest.done();
+  });
+  invokeGetUserMedia(avTracksTest, okCallback);
+});
+
+// 5. The model: sources, sinks, constraints, and states
+
+// 6. Source states
+// 6.1 Dictionary MediaSourceStates Members
+
+// 7. Source capabilities
+// 7.1 Dictionary CapabilityRange Members
+// 7.2 CapabilityList array
+// 7.3 Dictionary AllVideoCapabilities Members
+// 7.4 Dictionary AllAudioCapabilities Members
+
+// 8. URL tests.
+var createObjectURLTest = async_test('8.1 URL createObjectURL method');
+createObjectURLTest.step(function() {
+  var okCallback = createObjectURLTest.step_func(function (stream) {
+    var url = webkitURL.createObjectURL(stream);
+    assert_true(typeof url === 'string');
+    createObjectURLTest.done();
+  });
+  invokeGetUserMedia(createObjectURLTest, okCallback);
+});
+
+// 9. MediaStreams as Media Elements.
+var mediaElementsTest = async_test('9. MediaStreams as Media Elements');
+
+function verifyVideoTagWithStream(videoTag) {
+  test(function () {
+    assert_equals(videoTag.buffered.length, 0);
+  }, '[Video tag] buffered attribute');
+
+  test(function () {
+    // Attempts to alter currentTime shall be ignored.
+    assert_true(videoTag.currentTime >= 0);
+    assert_throws('InvalidStateError',
+                  function () { videoTag.currentTime = 1234; },
+                  'Attempts to modify currentTime shall throw ' +
+                      'InvalidStateError');
+  }, '[Video tag] currentTime attribute');
+
+  test(function () {
+    assert_equals(videoTag.duration, Infinity, 'videoTag.duration');
+  }, '[Video tag] duration attribute');
+
+  test(function () {
+    assert_false(videoTag.seeking, 'videoTag.seeking');
+  }, '[Video tag] seeking attribute');
+
+  test(function () {
+    assert_equals(videoTag.defaultPlaybackRate, 1.0);
+    assert_throws('DOMException',
+                  function () { videoTag.defaultPlaybackRate = 2.0; },
+                  'Attempts to alter videoTag.defaultPlaybackRate MUST fail');
+  }, '[Video tag] defaultPlaybackRate attribute');
+
+  test(function () {
+    assert_equals(videoTag.playbackRate, 1.0);
+    assert_throws('DOMException',
+      function () { videoTag.playbackRate = 2.0; },
+      'Attempts to alter videoTag.playbackRate MUST fail');
+  }, '[Video tag] playbackRate attribute');
+
+  test(function () {
+    assert_equals(videoTag.played.length, 1, 'videoTag.played.length');
+    assert_equals(videoTag.played.start(0), 0);
+    assert_true(videoTag.played.end(0) >= videoTag.currentTime);
+  }, '[Video tag] played attribute');
+
+  test(function () {
+    assert_equals(videoTag.seekable.length, 0);
+    assert_equals(videoTag.seekable.start(), videoTag.currentTime);
+    assert_equals(videoTag.seekable.end(), videoTag.currentTime);
+    assert_equals(videoTag.startDate, NaN, 'videoTag.startDate');
+  }, '[Video tag] seekable attribute');
+
+  test(function () {
+    assert_false(videoTag.loop);
+  }, '[Video tag] loop attribute');
+};
+
+mediaElementsTest.step(function() {
+  var okCallback = mediaElementsTest.step_func(function (stream) {
+    var videoTag = document.getElementById('local-view');
+    // Call the polyfill wrapper to attach the media stream to this element.
+    attachMediaStream(videoTag, stream);
+    verifyVideoTagWithStream(videoTag);
+    mediaElementsTest.done();
+  });
+  invokeGetUserMedia(mediaElementsTest, okCallback);
+});
+
+// 11. Obtaining local multimedia content.
+
+// 11.1 NavigatorUserMedia.
+var getUserMediaTest = async_test('11.1 NavigatorUserMedia');
+getUserMediaTest.step(function() {
+  var okCallback = getUserMediaTest.step_func(function (stream) {
+    assert_true(stream !== null);
+    getUserMediaTest.done();
+  });
+
+  // boolean parameters, without failure callback:
+  getUserMedia({ video: true, audio: true }, okCallback);
+  getUserMedia({ video: true, audio: false }, okCallback);
+  getUserMedia({ video: false, audio: true }, okCallback);
+
+  // boolean parameters, with failure callback:
+  getUserMedia({ video: true, audio: true }, okCallback,
+      failedCallback(getUserMediaTest));
+  getUserMedia({ video: true, audio: false }, okCallback,
+      failedCallback(getUserMediaTest));
+  getUserMedia({ video: false, audio: true }, okCallback,
+      failedCallback(getUserMediaTest));
+});
+
+// 11.2 MediaStreamConstraints.
+var constraintsTest = async_test('11.2 MediaStreamConstraints');
+constraintsTest.step(function() {
+  var okCallback = constraintsTest.step_func(function (stream) {
+    assert_true(stream !== null);
+    constraintsTest.done();
+  });
+
+  // Constraints on video.
+  // See http://webrtc.googlecode.com/svn/trunk/samples/js/demos/html/constraints-and-stats.html
+  // for more examples of constraints.
+  var constraints = {};
+  constraints.audio = true;
+  constraints.video = { mandatory: {}, optional: [] };
+  constraints.video.mandatory.minWidth = 640;
+  constraints.video.mandatory.minHeight = 480;
+  constraints.video.mandatory.minFrameRate = 15;
+
+  getUserMedia(constraints, okCallback, failedCallback(constraintsTest));
+});
+
+// 11.3 NavigatorUserMediaSuccessCallback.
+var successCallbackTest =
+  async_test('11.3 NavigatorUserMediaSuccessCallback');
+successCallbackTest.step(function() {
+  var okCallback = successCallbackTest.step_func(function (stream) {
+    assert_true(stream !== null);
+    successCallbackTest.done();
+  });
+  invokeGetUserMedia(successCallbackTest, okCallback);
+});
+
+// 11.4 NavigatorUserMediaError and NavigatorUserMediaErrorCallback.
+var errorCallbackTest = async_test('11.4 NavigatorUserMediaError and ' +
+                                   'NavigatorUserMediaErrorCallback');
+errorCallbackTest.step(function() {
+  var okCallback = errorCallbackTest.step_func(function (stream) {
+    assert_unreached('Should not get a success callback');
+  });
+  var errorCallback = errorCallbackTest.step_func(function (error) {
+    assert_own_property(error, 'name');
+    assert_readonly(error.name);
+    assert_true(typeof error.name === 'string');
+    assert_equals(error.name, 'ConstraintNotSatisfiedError', 'error.name');
+    errorCallbackTest.done();
+  });
+  // Setting both audio and video to false triggers an error callback.
+  // TODO(kjellander): Figure out if there's a way in the spec to trigger an
+  // error callback.
+
+  // TODO(kjellander): Investigate why the error callback is not called when
+  // false/false is provided in Chrome.
+  getUserMedia({ video: false, audio: false }, okCallback, errorCallback);
+});