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<!doctype html>
<html>
<head>
<title>getUserMedia: test that mediaDevices.getUserMedia is present</title>
<link rel="author" title="Dr Alex Gouaillard" href="mailto:agouaillard@gmail.com"/>
<link rel="help" href="https://w3c.github.io/mediacapture-main/#mediadevices-interface-extensions">
<meta name='assert' content='Check that the mediaDevices.getUserMedia() method is present.'/>
</head>
<body>
<h1 class="instructions">Description</h1>
<p class="instructions">This test checks for the presence of the
<code>navigator.mediaDevices.getUserMedia</code> method.</p>
<div id='log'></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
test(function () {
assert_true(undefined !== navigator.mediaDevices.getUserMedia, "navigator.mediaDevices.getUserMedia exists.");
// TODO: do some stuff with it
assert_true(undefined !== navigator.mediaDevices.getSupportedConstraints, "navigator.mediaDevices.getSupportedConstraints exists.");
var list = navigator.mediaDevices.getSupportedConstraints();
// TODO: we are supposed to check that all values returned can be used in a constraint ....
// NOTE: the current list of attributes that may or may not be here
// ... FF for example has many no tin that list, should we fail if an attribute is present but not listed in the specs?
// list.width
// list.height
// list.aspectRatio
// list.frameRate
// list.facingMode
// list.volume
// list.sampleRate
// list.sampleSize
// list.echoCancellation
// list.latency
// list.channelCount
// list.deviceId
// list.groupId
}, "mediaDevices.getUserMedia() is present on navigator");
promise_test(t => {
return navigator.mediaDevices.enumerateDevices()
.then(t.step_func(async devices => {
for (var i in devices) {
await navigator.mediaDevices.getUserMedia(
{video: {groupId: {exact: devices[i].groupId}}})
.then(
t.step_func(stream => {
var found_device = devices.find(element => {
return element.deviceId ==
stream.getTracks()[0].getSettings().deviceId;
});
assert_true(undefined !== found_device);
assert_equals(found_device.kind, "videoinput");
assert_equals(found_device.groupId, devices[i].groupId);
}),
t.step_func(error => {
assert_equals(error.name, "OverconstrainedError");
assert_equals(error.constraint, "groupId");
var found_device = devices.find(element => {
return element.kind == "videoinput" &&
element.groupId == devices[i].groupId});
assert_true(undefined === found_device);
}));
}
}));
}, 'groupId is correctly supported by getUserMedia() for video devices');
promise_test(t => {
return navigator.mediaDevices.enumerateDevices()
.then(t.step_func(async devices => {
for (var i in devices) {
await navigator.mediaDevices.getUserMedia(
{audio: {groupId: {exact: devices[i].groupId}}})
.then(
t.step_func(stream => {
var found_device = devices.find(element => {
return element.deviceId ==
stream.getTracks()[0].getSettings().deviceId;
});
assert_true(undefined !== found_device);
assert_equals(found_device.kind, "audioinput");
assert_equals(found_device.groupId, devices[i].groupId);
}),
t.step_func(error => {
assert_equals(error.name, "OverconstrainedError");
assert_equals(error.constraint, "groupId");
var found_device = devices.find(element => {
return element.kind == "audioinput" &&
element.groupId == devices[i].groupId});
assert_true(undefined === found_device);
}));
}
}));
}, 'groupId is correctly supported by getUserMedia() for audio devices');
promise_test(async t => {
const stream = await navigator.mediaDevices.getUserMedia(
{ video: {resizeMode: {exact: 'none'}}});
const [track] = stream.getVideoTracks();
t.add_cleanup(() => track.stop());
assert_equals(track.getSettings().resizeMode, 'none');
}, 'getUserMedia() supports setting none as resizeMode.');
promise_test(async t => {
const stream = await navigator.mediaDevices.getUserMedia(
{ video: {resizeMode: {exact: 'crop-and-scale'}}});
const [track] = stream.getVideoTracks();
t.add_cleanup(() => track.stop());
assert_equals(track.getSettings().resizeMode, 'crop-and-scale');
}, 'getUserMedia() supports setting crop-and-scale as resizeMode.');
promise_test(async t => {
try {
let stream = await navigator.mediaDevices.getUserMedia(
{ video: {resizeMode: {exact: 'INVALID'}}});
t.add_cleanup(() => stream.getVideoTracks()[0].stop());
t.unreached_func('getUserMedia() should fail with invalid resizeMode')();
} catch (e) {
assert_equals(e.name, 'OverconstrainedError');
assert_equals(e.constraint, 'resizeMode');
}
}, 'getUserMedia() fails with exact invalid resizeMode.');
</script>
</body>
</html>
|
