MediaDevices-enumerateDevices.https.html (5465B)
1 <!doctype html> 2 <html> 3 <head> 4 <title>enumerateDevices: test that enumerateDevices is present (legacy Firefox)</title> 5 <meta name='assert' content='Check that the enumerateDevices() method is present (legacy Firefox).'/> 6 </head> 7 <body> 8 <h1 class="instructions">Description</h1> 9 <p class="instructions">This is a modified copy of 10 testing/web-platform/tests/mediacapture-streams/MediaDevices-enumerateDevices.https.html 11 testing legacy Firefox version of the <code>navigator.mediaDevices.enumerateDevices()</code> method.</p> 12 <div id='log'></div> 13 <script src=/resources/testharness.js></script> 14 <script src=/resources/testharnessreport.js></script> 15 <script src=/resources/testdriver.js></script> 16 <script src=/resources/testdriver-vendor.js></script> 17 <script src=permission-helper.js></script> 18 <script> 19 "use strict"; 20 21 promise_test(async () => { 22 assert_not_equals(navigator.mediaDevices.enumerateDevices, undefined, "navigator.mediaDevices.enumerateDevices exists"); 23 const devices = await navigator.mediaDevices.enumerateDevices(); 24 for (const {kind, deviceId, label, groupId} of devices) { 25 assert_in_array(kind, ["videoinput", "audioinput", "audiooutput"]); 26 assert_greater_than(deviceId.length, 0, "deviceId should be present even if getUserMedia was never called successfully (legacy)."); 27 assert_equals(label, "", "label should be empty string if getUserMedia was never called successfully."); 28 assert_greater_than(groupId.length, 0, "groupId should be present even if getUserMedia was never called successfully (legacy)."); 29 } 30 assert_less_than_equal(devices.filter(({kind}) => kind == "audioinput").length, 31 1, "there should be zero or one audio input device."); 32 assert_less_than_equal(devices.filter(({kind}) => kind == "videoinput").length, 33 1, "there should be zero or one video input device."); 34 assert_equals(devices.filter(({kind}) => kind == "audiooutput").length, 35 0, "there should be no audio output devices."); 36 assert_less_than_equal(devices.length, 2, 37 "there should be no more than two devices."); 38 if (devices.length > 1) { 39 assert_equals(devices[0].kind, "audioinput", "audioinput is first"); 40 assert_equals(devices[1].kind, "videoinput", "videoinput is second"); 41 } 42 }, "mediaDevices.enumerateDevices() is present and working - before capture"); 43 44 promise_test(async t => { 45 await setMediaPermission("granted"); 46 const stream = await navigator.mediaDevices.getUserMedia({ video: true }); 47 stream.getTracks()[0].stop(); 48 49 const devices = await navigator.mediaDevices.enumerateDevices(); 50 const kinds = ["audioinput", "videoinput"]; 51 for (const {kind, deviceId} of devices) { 52 assert_in_array(kind, kinds, "camera doesn't expose audiooutput"); 53 assert_equals(typeof deviceId, "string", "deviceId is a string."); 54 switch (kind) { 55 case "videoinput": 56 assert_greater_than(deviceId.length, 0, "video deviceId should not be empty."); 57 break; 58 case "audioinput": 59 assert_greater_than(deviceId.length, 0, "audio deviceId should not be empty (legacy)."); 60 break; 61 } 62 } 63 }, "mediaDevices.enumerateDevices() is working - after video capture"); 64 65 // This test is designed to come after its video counterpart directly above 66 promise_test(async t => { 67 const devices1 = await navigator.mediaDevices.enumerateDevices(); 68 const stream = await navigator.mediaDevices.getUserMedia({ audio: true }); 69 stream.getTracks()[0].stop(); 70 const devices = await navigator.mediaDevices.enumerateDevices(); 71 assert_equals(devices.filter(({kind}) => kind == "videoinput").length, 72 devices1.filter(({kind}) => kind == "videoinput").length, 73 "same number of (previously exposed) videoinput devices"); 74 assert_greater_than_equal(devices.filter(d => d.kind == "audioinput").length, 75 devices1.filter(d => d.kind == "audioinput").length, 76 "same number or more audioinput devices"); 77 const order = ["audioinput", "videoinput", "audiooutput"]; 78 for (const {kind, deviceId} of devices) { 79 assert_in_array(kind, order, "expected kind"); 80 assert_equals(typeof deviceId, "string", "deviceId is a string."); 81 switch (kind) { 82 case "videoinput": 83 assert_greater_than(deviceId.length, 0, "video deviceId should not be empty."); 84 break; 85 case "audioinput": 86 assert_greater_than(deviceId.length, 0, "audio deviceId should not be empty."); 87 break; 88 } 89 } 90 const kinds = devices.map(({kind}) => kind); 91 const correct = [...kinds].sort((a, b) => order.indexOf(a) - order.indexOf(b)); 92 assert_equals(JSON.stringify(kinds), JSON.stringify(correct), "correct order"); 93 }, "mediaDevices.enumerateDevices() is working - after video then audio capture"); 94 95 promise_test(async () => { 96 const devices = await navigator.mediaDevices.enumerateDevices(); 97 for (const mediaInfo of devices) { 98 if (mediaInfo.kind == "audioinput" || mediaInfo.kind == "videoinput") { 99 assert_true("InputDeviceInfo" in window, "InputDeviceInfo exists"); 100 assert_true(mediaInfo instanceof InputDeviceInfo); 101 } else if (mediaInfo.kind == "audiooutput") { 102 assert_true(mediaInfo instanceof MediaDeviceInfo); 103 } else { 104 assert_unreached("mediaInfo.kind should be one of 'audioinput', 'videoinput', or 'audiooutput'.") 105 } 106 } 107 }, "InputDeviceInfo is supported"); 108 </script> 109 </body> 110 </html>