Web Platform Tests and WebVTT
https://slides.com/gkatsev/wpt-webvtt/
WPT
The web-platform-tests Project is a W3C-coordinated attempt to build a cross-browser testsuite for the Web-platform stack.
https://github.com/web-platform-tests/wpt
test(function() {
var cue = new VTTCue(3, 12, 'foo bar');
assert_equals(cue.startTime, 3);
assert_equals(cue.endTime, 12);
assert_equals(cue.text, 'foo bar');
assert_equals(cue.id, '');
assert_equals(cue.region, null);
assert_equals(cue.pauseOnExit, false);
assert_equals(cue.snapToLines, true);
assert_equals(cue.line, 'auto');
assert_equals(cue.lineAlign, 'start');
assert_equals(cue.position, 'auto');
assert_equals(cue.positionAlign, 'auto');
assert_equals(cue.size, 100);
assert_equals(cue.align, 'center');
}, document.title + ', initial values');
http://w3c-test.org/webvtt/api/VTTCue/constructor.html
w3c-test.org
Running Locally
- virtualenv
- pip
Hostsfiles
gasmask
https://github.com/2ndalpha/gasmask
127.0.0.1 xn--lve-6lad.not-web-platform.test
127.0.0.1 xn--lve-6lad.web-platform.test
127.0.0.1 xn--n8j6ds53lwwkrqhv28a.not-web-platform.test
127.0.0.1 www1.web-platform.test
127.0.0.1 www2.web-platform.test
127.0.0.1 not-web-platform.test
127.0.0.1 web-platform.test
127.0.0.1 www2.not-web-platform.test
127.0.0.1 www1.not-web-platform.test
127.0.0.1 www.not-web-platform.test
127.0.0.1 www.web-platform.test
127.0.0.1 xn--n8j6ds53lwwkrqhv28a.web-platform.test
./wpt serve
./wpt run --headless --log-html log.html chrome webvtt
WebVTT
http://wpt.fyi

WebVTT

API tests

VTTCue

VTTRegion

Parsing

iOS and Android
Match Safari and Chrome
Edge
Still no VTTCue!
Regions?
Create tests
Adopt WebVTT
WPT and WebVTT
By Gary Katsevman
WPT and WebVTT
- 599