https://github.com/web-platform-tests/wpt
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Tip revision: c6e42ae9ffe6cddd051c82b3fe0cb982f5861032 authored by Robert Ma on 22 March 2018, 19:02:06 UTC
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Tip revision: c6e42ae
setSinkId-manual.https.html
<!doctype html>
<html>
<head>
<title>Test setSinkId behavior with permissions / device changes</title>
<link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/>
<link rel="help" href="https://www.w3.org/TR/audio-output/#dom-htmlmediaelement-setsinkid">
<meta name="timeout" content="long">

</head>
<body>
<h1 class="instructions">Description</h1>
<p class="instructions">This test checks that <code>setSinkId</code> follows the algorithm, this includes manually checking the proper rendering on new output devices.</p>
<p class="instructions">When prompted to access microphones, please accept as this is the only current way to get permissions for associated output devices.</p>
<p class="instructions">For each authorized output device, check that selecting it makes the audio beat rendered on the corresponding device.</p>
<p>Available but unauthorized devices (only those for which we can gain permission can be selected):</p>
<ul id="available"></ul>
<p>Authorized  devices:</p>
<ul id="authorized"></ul>
<audio controls id="beat" src="/media/sound_5.mp3" loop></audio>

<div id='log'></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
"use strict";

const is_output = d => d.kind === "audiooutput";
const by_id = (id) => d => d.groupId === id;
const is_input = d => d.kind === "audioinput";
const audio = document.getElementById("beat");
const available = document.getElementById("available");
const authorized = document.getElementById("authorized");

let outputList;

const selectDeviceTester = (t) => (e) => {
    const groupId = e.target.dataset["groupid"];
    const device = outputList.find(by_id(groupId));
    if (audio.paused) audio.play();
    promise_test(pt => audio.setSinkId(device.deviceId).then(() => {
        assert_equals(device.deviceId, audio.sinkId);

        const pass = document.createElement("button");
        const fail = document.createElement("button");

        const result = (bool) => () => {
            assert_true(bool, "Sound rendered on right device");
            fail.remove();
            pass.remove();
            audio.pause();
            e.target.checked = false;
            e.target.disabled = true;
            t.done();
        };

        pass.style.backgroundColor = "#0f0";
        pass.textContent = "\u2713 Sound plays on " + device.label;
        pass.addEventListener("click", result(true));

        fail.style.backgroundColor = "#f00";
        fail.textContent = "\u274C Sound doesn't play on " + device.label;
        fail.addEventListener("click", result(true));

        const container = e.target.parentNode.parentNode;
        container.appendChild(pass);
        container.appendChild(fail);
    }), "setSinkId for " + device.label + " resolves");
};

const addAuthorizedDevice = (groupId) => {
    const device = outputList.find(by_id(groupId));
    const async_t = async_test("Selecting output device " + device.label + " makes the audio rendered on the proper device");
    const li = document.createElement("li");
    const label = document.createElement("label");
    const input = document.createElement("input");
    input.type = "radio";
    input.name = "device";
    input.dataset["groupid"] = device.groupId;
    input.addEventListener("change", selectDeviceTester(async_t));
    const span = document.createElement("span");
    span.textContent = device.label;
    label.appendChild(input);
    label.appendChild(span);
    li.appendChild(label);
    authorized.appendChild(li);
};

const authorizeDeviceTester = (t) => (e) => {
    const groupId = e.target.dataset["groupid"];
    navigator.mediaDevices.getUserMedia({audio: {groupId}})
        .then( () => {
            addAuthorizedDevice(groupId);
            t.done();
        });
};

promise_test(gum =>
             navigator.mediaDevices.getUserMedia({audio: true}).then(
                 () => {
                     promise_test(t =>
                                  navigator.mediaDevices.enumerateDevices().then(list => {
                                      assert_not_equals(list.find(is_output), undefined, "media device list includes at least one audio output device");
                                      outputList = list.filter(is_output);
                                      outputList.forEach(d => {
                                          const li = document.createElement("li");
                                          assert_not_equals(d.label, "", "Audio Output Device Labels are available after permission grant");
                                          li.textContent = d.label;
                                          // Check permission
                                          promise_test(perm => navigator.permissions.query({name: "speaker", deviceId: d.deviceId}).then(({state}) => {
                                              if (state === "granted") {
                                                  addAuthorizedDevice(d.groupId);
                                              } else if (state === "prompt") {
                                                  const inp = list.find(inp => inp.kind === "audioinput" && inp.groupId === d.groupId);
                                                  if (inp || true) {
                                                      const async_t = async_test("Authorizing output devices via permission requests for microphones works");
                                                      const button = document.createElement("button");
                                                      button.textContent = "Authorize access";
                                                      button.dataset["groupid"] = d.groupId;
                                                      button.addEventListener("click", async_t.step_func_done(authorizeDeviceTester(async_t)));
                                                      li.appendChild(button);
                                                  }
                                                  available.appendChild(li);
                                              }
                                          }, () => {
                                                           // if we can't query the permission, we assume it's granted :/
                                                           addAuthorizedDevice(d.groupId);
                                                       })
                                                       , "Query permission to use " + d.label);
                                      });
                                  }), "List media devices");
                 }), "Authorize mike access");
</script>
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