gecko/dom/media/tests/mochitest/constraints.js

77 lines
2.8 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
Tests covering gUM constraints API for audio, video and fake video. Exercise
successful parsing code and ensure that unknown required constraints and
overconstraining cases produce appropriate errors.
TODO(jib): Merge desktop and mobile version of these tests again.
*/
var common_tests = [
// Each test here tests a different constraint or codepath.
{ message: "unknown required constraint on video fails",
constraints: { video: { somethingUnknown:0, require:["somethingUnknown"] },
fake: true },
error: "NO_DEVICES_FOUND" },
{ message: "unknown required constraint on audio fails",
constraints: { audio: { somethingUnknown:0, require:["somethingUnknown"] },
fake: true },
error: "NO_DEVICES_FOUND" },
{ message: "video overconstrained by facingMode fails",
constraints: { video: { facingMode:'left', require:["facingMode"] },
fake: true },
error: "NO_DEVICES_FOUND" },
{ message: "audio overconstrained by facingMode fails",
constraints: { audio: { facingMode:'left', require:["facingMode"] },
fake: true },
error: "NO_DEVICES_FOUND" },
{ message: "Success-path: optional video facingMode + audio ignoring facingMode",
constraints: { fake: true,
audio: { facingMode:'left',
foo:0,
advanced: [{ facingMode:'environment' },
{ facingMode:'user' },
{ bar:0 }] },
video: { // TODO: Bug 767924 sequences in unions
//facingMode:['left', 'right', 'user', 'environment'],
//require:["facingMode"],
facingMode:'left',
foo:0,
advanced: [{ facingMode:'environment' },
{ facingMode:'user' },
{ bar:0 }] } },
error: null }
];
/**
* Starts the test run by running through each constraint
* test by verifying that the right callback and error message is fired.
*/
function testConstraints(tests) {
var i = 0;
next();
function Success() {
ok(!tests[i].error, tests[i].message);
i++;
next();
}
function Failure(err) {
ok(tests[i].error? (err === tests[i].error) : false,
tests[i].message + " (err=" + err + ")");
i++;
next();
}
function next() {
if (i < tests.length) {
navigator.mozGetUserMedia(tests[i].constraints, Success, Failure);
} else {
SimpleTest.finish();
}
}
};