Source code
Revision control
Copy as Markdown
Other Tools
Test Info: Errors
- This test failed 45 times in the preceding 30 days. quicksearch this test
- Manifest: dom/media/test/browser/browser.toml
"use strict";
// Disabling undef warning because in `run()` we use functions from head.js
/* eslint-disable no-undef */
/**
* This test is used to ensure that Glean probe 'first_frame_loaded' can be
* recorded correctly in different situations.
*/
const testCases = [
{
expected: {
playback_type: "Non-MSE playback",
video_codec: "video/avc",
resolution: "AV,240<h<=480",
key_system: undefined,
},
async run(tab) {
await loadVideo(tab, "mozfirstframeloadedprobe");
},
},
{
expected: {
playback_type: "MSE playback",
video_codec: "video/avc",
resolution: "AV,240<h<=480",
key_system: undefined,
},
async run(tab) {
await loadMseVideo(tab, "mozfirstframeloadedprobe");
},
},
{
expected: {
playback_type: "EME playback",
video_codec: "video/vp9",
resolution: "V,240<h<=480",
key_system: "org.w3.clearkey",
},
async run(tab) {
await loadEmeVideo(tab, "mozfirstframeloadedprobe");
},
},
];
add_task(async function setTestPref() {
await SpecialPowers.pushPrefEnv({
set: [["media.testing-only-events", true]],
});
});
add_task(async function testGleanMediaPlayackFirstFrameLoaded() {
for (let test of testCases) {
Services.fog.testResetFOG();
const expected = test.expected;
info(`running test for '${expected.playback_type}'`);
const tab = await openTab();
await test.run(tab);
info(`waiting until glean probe is ready on the parent process`);
await Services.fog.testFlushAllChildren();
info("checking the collected results");
const extra = Glean.mediaPlayback.firstFrameLoaded.testGetValue()[0].extra;
Assert.greater(
parseInt(extra.first_frame_loaded_time),
0,
`${extra.first_frame_loaded_time} is correct`
);
is(
extra.playback_type,
expected.playback_type,
`${extra.playback_type} is correct`
);
is(
extra.video_codec,
expected.video_codec,
`${extra.video_codec} is correct`
);
is(extra.resolution, expected.resolution, `${extra.resolution} is correct`);
is(extra.key_system, expected.key_system, `${extra.key_system} is correct`);
BrowserTestUtils.removeTab(tab);
}
});