зеркало из https://github.com/mozilla/gecko-dev.git
72 строки
2.7 KiB
HTML
72 строки
2.7 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<script src="mediaStreamPlayback.js"></script>
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</head>
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<body>
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<pre id="test">
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<script type="application/javascript">
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createHTML({ title: "Run enumerateDevices code", bug: "1046245" });
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/**
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Tests covering enumerateDevices API and deviceId constraint. Exercise code.
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*/
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function mustSucceed(msg, f) {
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return f().then(() => ok(true, msg + " must succeed"),
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e => is(e.name, null, msg + " must succeed: " + e.message));
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}
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function mustFailWith(msg, reason, f) {
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return f().then(() => ok(false, msg + " must fail"),
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e => is(e.name, reason, msg + " must fail: " + e.message));
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}
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var pushPrefs = (...p) => new Promise(r => SpecialPowers.pushPrefEnv({set: p}, r));
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runTest(() =>
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pushPrefs(["media.navigator.streams.fake", true])
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.then(() => navigator.mediaDevices.enumerateDevices())
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.then(devices => {
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ok(devices.length > 0, "At least one device found");
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devices.forEach(d => {
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ok(d.kind == "videoinput" || d.kind == "audioinput", "Known device kind");
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is(d.deviceId.length, 44, "Correct device id length");
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ok(d.label.length !== undefined, "Device label: " + d.label);
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is(d.groupId, "", "Don't support groupId yet");
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});
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var jsoned = JSON.parse(JSON.stringify(devices));
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is(jsoned[0].kind, devices[0].kind, "kind survived serializer");
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is(jsoned[0].deviceId, devices[0].deviceId, "deviceId survived serializer");
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})
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// Check deviceId failure paths for video.
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.then(() => mustSucceed("unknown plain deviceId on video",
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() => navigator.mediaDevices.getUserMedia({
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video: { deviceId: "unknown9qHr8B0JIbcHlbl9xR+jMbZZ8WyoPfpCXPfc=" },
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fake: true,
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})))
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.then(() => mustSucceed("unknown plain deviceId on audio",
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() => navigator.mediaDevices.getUserMedia({
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audio: { deviceId: "unknown9qHr8B0JIbcHlbl9xR+jMbZZ8WyoPfpCXPfc=" },
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fake: true,
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})))
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.then(() => mustFailWith("unknown exact deviceId on video", "NotFoundError",
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() => navigator.mediaDevices.getUserMedia({
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video: { deviceId: { exact: "unknown9qHr8B0JIbcHlbl9xR+jMbZZ8WyoPfpCXPfc=" } },
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fake: true,
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})))
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.then(() => mustFailWith("unknown exact deviceId on audio", "NotFoundError",
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() => navigator.mediaDevices.getUserMedia({
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audio: { deviceId: { exact: "unknown9qHr8B0JIbcHlbl9xR+jMbZZ8WyoPfpCXPfc=" } },
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fake: true,
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})))
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// Check the special case of no devices found (these prefs override fake).
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.then(() => pushPrefs(["media.audio_loopback_dev", "none"],
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["media.video_loopback_dev", "none"]))
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.then(() => navigator.mediaDevices.enumerateDevices())
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.then(devices => ok(devices.length === 0, "No devices found")));
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</script>
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</pre>
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</body>
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</html>
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