gecko/dom/media/tests/mochitest/test_getUserMedia_constraints.html
2015-11-09 23:17:42 +08:00

129 lines
5.0 KiB
HTML

<!DOCTYPE HTML>
<html>
<head>
<script src="mediaStreamPlayback.js"></script>
<script src="constraints.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
createHTML({ title: "Test getUserMedia constraints", bug: "882145" });
/**
Tests covering gUM constraints API for audio, video and fake video. Exercise
successful parsing code and ensure that unknown required constraints and
overconstraining cases produce appropriate errors.
*/
var tests = [
// Each test here tests a different constraint or codepath.
{ message: "unknown required constraint on video ignored",
constraints: { video: { somethingUnknown: { exact: 0 } } },
error: null },
{ message: "unknown required constraint on audio ignored",
constraints: { audio: { somethingUnknown: { exact: 0 } } },
error: null },
{ message: "audio overconstrained by facingMode ignored",
constraints: { audio: { facingMode: { exact: 'left' } } },
error: null },
{ message: "full screensharing requires permission",
constraints: { video: { mediaSource: 'screen' } },
error: "SecurityError" },
{ message: "application screensharing requires permission",
constraints: { video: { mediaSource: 'application' } },
error: "SecurityError" },
{ message: "window screensharing requires permission",
constraints: { video: { mediaSource: 'window' } },
error: "SecurityError" },
{ message: "browser screensharing requires permission",
constraints: { video: { mediaSource: 'browser' } },
error: "SecurityError" },
{ message: "unknown mediaSource in video fails",
constraints: { video: { mediaSource: 'uncle' } },
error: "OverconstrainedError",
constraint: "mediaSource" },
{ message: "unknown mediaSource in audio fails",
constraints: { audio: { mediaSource: 'uncle' } },
error: "OverconstrainedError",
constraint: "mediaSource" },
{ message: "emtpy constraint fails",
constraints: { },
error: "NotSupportedError" },
{ message: "Success-path: optional video facingMode + audio ignoring facingMode",
constraints: { audio: { mediaSource: 'microphone',
facingMode: 'left',
foo: 0,
advanced: [{ facingMode: 'environment' },
{ facingMode: 'user' },
{ bar: 0 }] },
video: { mediaSource: 'camera',
foo: 0,
advanced: [{ facingMode: 'environment' },
{ facingMode: ['user'] },
{ facingMode: ['left', 'right', 'user'] },
{ bar: 0 }] } },
error: null },
{ message: "legacy facingMode ignored",
constraints: { video: { mandatory: { facingMode: 'left' } } },
error: null },
];
var mustSupport = [
'width', 'height', 'frameRate', 'facingMode', 'deviceId',
// Yet to add:
// 'aspectRatio', 'frameRate', 'volume', 'sampleRate', 'sampleSize',
// 'echoCancellation', 'latency', 'groupId'
// http://fluffy.github.io/w3c-screen-share/#screen-based-video-constraints
// OBE by http://w3c.github.io/mediacapture-screen-share
'mediaSource',
// Experimental https://bugzilla.mozilla.org/show_bug.cgi?id=1131568#c3
'browserWindow', 'scrollWithPage',
'viewportOffsetX', 'viewportOffsetY', 'viewportWidth', 'viewportHeight'
];
/**
* Starts the test run by running through each constraint
* test by verifying that the right resolution and rejection is fired.
*/
runTest(function() {
// Check supported constraints first.
var dict = navigator.mediaDevices.getSupportedConstraints();
var supported = Object.keys(dict);
mustSupport.forEach(key => ok(supported.indexOf(key) != -1 && dict[key],
"Supports " + key));
var unexpected = supported.filter(key => mustSupport.indexOf(key) == -1);
is(unexpected.length, 0,
"Unanticipated support (please update test): " + unexpected);
// Run constraint tests
var p = new Promise(resolve => SpecialPowers.pushPrefEnv({
set : [ ['media.getusermedia.browser.enabled', false],
['media.getusermedia.screensharing.enabled', false] ]
}, resolve));
return tests.reduce((p, test) =>
p.then(() => navigator.mediaDevices.getUserMedia(test.constraints))
.then(() => is(null, test.error, test.message), e => {
is(e.name, test.error, test.message + ": " + e.message);
if (test.constraint) {
is(e.constraint, test.constraint,
test.message + " w/correct constraint.");
}
}), p)
.then(() => navigator.mediaDevices.getUserMedia({video: true, audio: true}))
.then(stream => stream.getVideoTracks()[0].applyConstraints({ width: 320 })
.then(() => stream.getAudioTracks()[0].applyConstraints({ })))
.then(() => ok(true, "applyConstraints code exercised"))
// TODO: Test outcome once fake devices support constraints (Bug 1088621)
});
</script>
</pre>
</body>
</html>