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/*
* Copyright (c) 2017 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.
*/
/* eslint-env node */
/* global beforeEach, afterEach */
/* wrap navigator.getUserMedia and navigator.mediaDevices.getUserMedia
* so that any streams acquired are released after each test.
*/
beforeEach(() => {
const streams = [];
const release = () => {
streams.forEach((stream) => {
stream.getTracks().forEach((track) => track.stop());
});
streams.length = 0;
};
if (navigator.getUserMedia) {
const origGetUserMedia = navigator.getUserMedia.bind(navigator);
navigator.getUserMedia = (constraints, cb, eb) => {
origGetUserMedia(constraints, (stream) => {
streams.push(stream);
if (cb) {
cb.apply(null, [stream]);
}
}, eb);
};
navigator.getUserMedia.restore = () => {
navigator.getUserMedia = origGetUserMedia;
release();
};
}
const origMediaDevicesGetUserMedia =
navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
navigator.mediaDevices.getUserMedia = (constraints) => {
return origMediaDevicesGetUserMedia(constraints)
.then((stream) => {
streams.push(stream);
return stream;
});
};
navigator.mediaDevices.getUserMedia.restore = () => {
navigator.mediaDevices.getUserMedia = origMediaDevicesGetUserMedia;
release();
};
});
afterEach(() => {
if (navigator.getUserMedia) {
navigator.getUserMedia.restore();
}
navigator.mediaDevices.getUserMedia.restore();
});
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