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60 lines
3 KiB
HTML
60 lines
3 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>enumerateDevices: test that enumerateDevices is present</title>
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<link rel="author" title="Dr Alex Gouaillard" href="mailto:agouaillard@gmail.com"/>
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<link rel="help" href="https://w3c.github.io/mediacapture-main/#enumerating-devices">
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<meta name='assert' content='Check that the enumerateDevices() method is present.'/>
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</head>
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<body>
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<h1 class="instructions">Description</h1>
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<p class="instructions">This test checks for the presence of the
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<code>navigator.mediaDevices.enumerateDevices()</code> method.</p>
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<div id='log'></div>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<script>
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"use strict";
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//NOTE ALEX: for completion, a test for ondevicechange event is missing.
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promise_test(async () => {
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assert_not_equals(navigator.mediaDevices.enumerateDevices, undefined, "navigator.mediaDevices.enumerateDevices exists");
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const deviceList = await navigator.mediaDevices.enumerateDevices();
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for (const mediaInfo of deviceList) {
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assert_not_equals(mediaInfo.kind, undefined, "mediaInfo's kind should exist.");
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assert_equals(mediaInfo.deviceId, "", "mediaInfo's deviceId should exist and be empty if getUserMedia was never called successfully.");
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assert_equals(mediaInfo.label, "", "mediaInfo's label should exist and be empty if getUserMedia was never called successfully.");
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assert_equals(mediaInfo.groupId, "", "mediaInfo's groupId should exist and be empty if getUserMedia was never called successfully.");
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assert_in_array(mediaInfo.kind, ["videoinput", "audioinput", "audiooutput"]);
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}
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assert_less_than_equal(deviceList.filter((item) => { return item.kind == "audioinput"; }).length, 1, "there should be zero or one audio input device ");
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assert_less_than_equal(deviceList.filter((item) => { return item.kind == "videoinput"; }).length, 1, "there should be zero or one video input device ");
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}, "mediaDevices.enumerateDevices() is present and working - before capture");
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promise_test(async () => {
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await navigator.mediaDevices.getUserMedia({ audio : true });
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const deviceList = await navigator.mediaDevices.enumerateDevices();
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for (const mediaInfo of deviceList) {
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assert_not_equals(mediaInfo.kind, undefined, "mediaInfo's kind should exist.");
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assert_not_equals(mediaInfo.deviceId, "", "mediaInfo's deviceId should exist and not be empty.");
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assert_in_array(mediaInfo.kind, ["videoinput", "audioinput", "audiooutput"]);
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}
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}, "mediaDevices.enumerateDevices() is present and working - after capture");
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promise_test(async () => {
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const deviceList = await navigator.mediaDevices.enumerateDevices();
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for (const mediaInfo of deviceList) {
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if (mediaInfo.kind == "audioinput" || mediaInfo.kind == "videoinput") {
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assert_true(mediaInfo instanceof InputDeviceInfo);
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} else if ( mediaInfo.kind == "audiooutput" ) {
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assert_true(mediaInfo instanceof MediaDeviceInfo);
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} else {
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assert_unreached("mediaInfo.kind should be one of 'audioinput', 'videoinput', or 'audiooutput'.")
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}
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}
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}, "InputDeviceInfo is supported");
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</script>
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</body>
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</html>
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