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vtt_text_parser_unit.js
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vtt_text_parser_unit.js
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/*! @license
* Shaka Player
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
describe('VttTextParser', () => {
const Cue = shaka.text.Cue;
const CueRegion = shaka.text.CueRegion;
const originalLogWarning = shaka.log.warning;
const anyString = jasmine.any(String);
/** @type {!jasmine.Spy} */
let logWarningSpy;
beforeEach(() => {
logWarningSpy = jasmine.createSpy('shaka.log.warning');
shaka.log.warning = shaka.test.Util.spyFunc(logWarningSpy);
});
afterEach(() => {
shaka.log.warning = originalLogWarning;
});
it('supports no cues', () => {
verifyHelper([],
'WEBVTT',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports initial comments', () => {
verifyHelper([],
'WEBVTT - Comments',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports comment blocks', () => {
verifyHelper([],
'WEBVTT\n\n' +
'NOTE\n' +
'This is a comment block',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports comment blocks with inital comment', () => {
verifyHelper([],
'WEBVTT\n\n' +
'NOTE - A header comment\n' +
'This is a comment block',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('handles a blank line at the end of the file', () => {
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000\n' +
'Test\n\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('handles no blank line at the end of the file', () => {
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000\n' +
'Test\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('handles no newline after the final text payload', () => {
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000\n' +
'Test',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports cues with no settings', () => {
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test', id: '1'},
{startTime: 40, endTime: 50, payload: 'Test2', id: '2'},
],
'WEBVTT\n\n' +
'1\n' +
'00:00:20.000 --> 00:00:40.000\n' +
'Test\n\n' +
'2\n' +
'00:00:40.000 --> 00:00:50.000\n' +
'Test2',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports cues with no ID', () => {
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
{startTime: 40, endTime: 50, payload: 'Test2'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000\n' +
'Test\n\n' +
'00:00:40.000 --> 00:00:50.000\n' +
'Test2',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports comments within cues', () => {
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
{startTime: 40, endTime: 50, payload: 'Test2'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000\n' +
'Test\n\n' +
'NOTE\n' +
'This is a note\n\n' +
'00:00:40.000 --> 00:00:50.000\n' +
'Test2',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports non-integer timecodes', () => {
verifyHelper(
[
{startTime: 20.1, endTime: 40.505, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.100 --> 00:00:40.505\n' +
'Test',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports large timecodes', () => {
verifyHelper(
[
{startTime: 20, endTime: 108000, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 30:00:00.000\n' +
'Test',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('requires header', () => {
errorHelper(shaka.util.Error.Code.INVALID_TEXT_HEADER,
'',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
errorHelper(shaka.util.Error.Code.INVALID_TEXT_HEADER,
'00:00:00.000 --> 00:00:00.020\nTest',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('rejects invalid time values', () => {
errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
'WEBVTT\n\n00.020 --> 0:00.040\nTest',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0},
anyString);
errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
'WEBVTT\n\n0:00.020 --> 0:00.040\nTest',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0},
anyString);
errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
'WEBVTT\n\n00:00.20 --> 0:00.040\nTest',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0},
anyString);
errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
'WEBVTT\n\n00:100.20 --> 0:00.040\nTest',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0},
anyString);
errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
'WEBVTT\n\n00:00.020 --> 0:00.040\nTest',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0},
anyString);
errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
'WEBVTT\n\n00:00:00:00.020 --> 0:00.040\nTest',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0},
anyString);
errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
'WEBVTT\n\n00:61.020 --> 0:00.040\nTest',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0},
anyString);
errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
'WEBVTT\n\n61:00.020 --> 0:00.040\nTest',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0},
anyString);
});
it('supports vertical setting', () => {
verifyHelper(
[
{
startTime: 20,
endTime: 40,
payload: 'Test',
writingMode: Cue.writingMode.VERTICAL_RIGHT_TO_LEFT,
},
{
startTime: 40,
endTime: 50,
payload: 'Test2',
writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 vertical:rl\n' +
'Test\n\n' +
'00:00:40.000 --> 00:00:50.000 vertical:lr\n' +
'Test2',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports line setting', () => {
verifyHelper(
[
{
startTime: 20, endTime: 40, payload: 'Test', line: 0,
lineInterpretation: Cue.lineInterpretation.LINE_NUMBER,
},
{
startTime: 40, endTime: 50, payload: 'Test2', line: -1,
lineInterpretation: Cue.lineInterpretation.LINE_NUMBER,
},
{
startTime: 50, endTime: 60, payload: 'Test3', line: 45,
lineInterpretation: Cue.lineInterpretation.PERCENTAGE,
},
{
startTime: 55, endTime: 65, payload: 'Test4', line: 12.3,
lineInterpretation: Cue.lineInterpretation.PERCENTAGE,
},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 line:0\n' +
'Test\n\n' +
'00:00:40.000 --> 00:00:50.000 line:-1\n' +
'Test2\n\n' +
'00:00:50.000 --> 00:01:00.000 line:45%\n' +
'Test3\n\n' +
'00:00:55.000 --> 00:01:05.000 line:12.3%\n' +
'Test4\n\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports line setting with optional part', () => {
verifyHelper(
[
{
startTime: 20, endTime: 40, payload: 'Test', line: 10,
lineInterpretation: Cue.lineInterpretation.PERCENTAGE,
lineAlign: Cue.lineAlign.START,
},
{
startTime: 40, endTime: 50, payload: 'Test2', line: -1,
lineInterpretation: Cue.lineInterpretation.LINE_NUMBER,
lineAlign: Cue.lineAlign.CENTER,
},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 line:10%,start\n' +
'Test\n\n' +
'00:00:40.000 --> 00:00:50.000 line:-1,center\n' +
'Test2',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports position setting', () => {
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test', position: 45},
{startTime: 25, endTime: 45, payload: 'Test2', position: 12.3},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 position:45%\n' +
'Test\n\n' +
'00:00:25.000 --> 00:00:45.000 position:12.3%\n' +
'Test2\n\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports position setting with optional part', () => {
verifyHelper(
[
{
startTime: 20, endTime: 40, payload: 'Test', position: 45,
positionAlign: Cue.positionAlign.LEFT,
},
{
startTime: 20, endTime: 40, payload: 'Test2', position: 45,
positionAlign: Cue.positionAlign.LEFT,
},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 position:45%,line-left\n' +
'Test\n\n' +
'00:00:20.000 --> 00:00:40.000 position:45%,start\n' +
'Test2',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports size setting', () => {
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test', size: 56},
{startTime: 25, endTime: 45, payload: 'Test2', size: 12.3},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 size:56%\n' +
'Test\n\n' +
'00:00:25.000 --> 00:00:45.000 size:12.3%\n' +
'Test2\n\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports align setting', () => {
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test', textAlign: 'center'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 align:center\n' +
'Test',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports multiple settings', () => {
verifyHelper(
[
{
startTime: 20,
endTime: 40,
payload: 'Test',
textAlign: Cue.textAlign.CENTER,
size: 56,
writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 align:center size:56% vertical:lr\n' +
'Test',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports timestamps with one-digit hour at start time', () => {
verifyHelper(
[
{
startTime: 20,
endTime: 40,
payload: 'Test',
textAlign: Cue.textAlign.CENTER,
size: 56,
writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
},
],
'WEBVTT\n\n' +
'0:00:20.000 --> 00:00:40.000 align:center size:56% vertical:lr\n' +
'Test',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports timestamps with one-digit hour at end time', () => {
verifyHelper(
[
{
startTime: 20,
endTime: 40,
payload: 'Test',
textAlign: Cue.textAlign.CENTER,
size: 56,
writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 0:00:40.000 align:center size:56% vertical:lr\n' +
'Test',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports stamps with one-digit hours at start & end time', () => {
verifyHelper(
[
{
startTime: 20,
endTime: 40,
payload: 'Test',
textAlign: 'center',
size: 56,
writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
},
],
'WEBVTT\n\n' +
'0:00:20.000 --> 0:00:40.000 align:center size:56% vertical:lr\n' +
'Test',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('uses time offset from vttOffset, not periodStart or segmentStart', () => {
verifyHelper(
[
{
startTime: 50,
endTime: 60,
payload: 'Test',
textAlign: 'center',
size: 56,
writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
},
],
'WEBVTT\n\n' +
'0:00:10.000 --> 0:00:20.000 align:center size:56% vertical:lr\n' +
'Test',
{periodStart: 60, segmentStart: 80, segmentEnd: 100, vttOffset: 40});
});
it('parses VTTRegions', () => {
verifyHelper(
[
{
startTime: 20,
endTime: 40,
payload: 'Test',
region: jasmine.objectContaining({
id: 'reg1',
viewportAnchorX: 10,
viewportAnchorY: 90,
regionAnchorX: 0,
regionAnchorY: 100,
width: 50,
height: 3,
heightUnits: CueRegion.units.LINES,
widthUnits: CueRegion.units.PERCENTAGE,
viewportAnchorUnits: CueRegion.units.PERCENTAGE,
scroll: CueRegion.scrollMode.UP,
}),
},
],
'WEBVTT\n' +
'Region: id=reg1 width=50% lines=3 regionanchor=0%,100% ' +
'viewportanchor=10%,90% scroll=up\n\n' +
'0:00:20.000 --> 0:00:40.000 region:reg1\n' +
'Test',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('ignores and logs invalid settings', () => {
expect(logWarningSpy).not.toHaveBeenCalled();
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 vertical:es\n' +
'Test\n\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 vertical:\n' +
'Test\n\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 vertical\n' +
'Test\n\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 line:-3%\n' +
'Test\n\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 line:45%%\n' +
'Test\n\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 align:10\n' +
'Test\n\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.000 --> 00:00:40.000 align:foo\n' +
'Test\n\n',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
expect(logWarningSpy).toHaveBeenCalledTimes(7);
});
it('parses X-TIMESTAMP-MAP header', () => {
verifyHelper(
[
{startTime: 30, endTime: 50, payload: 'Test'},
{startTime: 50, endTime: 60, payload: 'Test2'},
],
// 900000 = 10 sec, so expect every timestamp to be 10
// seconds ahead of what is specified.
'WEBVTT\n' +
'X-TIMESTAMP-MAP=MPEGTS:900000,LOCAL:00:00:00.000\n\n' +
'00:00:20.000 --> 00:00:40.000 line:0\n' +
'Test\n\n' +
'00:00:40.000 --> 00:00:50.000 line:-1\n' +
'Test2',
{periodStart: 0, segmentStart: 25, segmentEnd: 65, vttOffset: 0},
/* sequenceMode= */ true);
});
it('ignores X-TIMESTAMP-MAP header if not in sequence mode', () => {
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
{startTime: 40, endTime: 50, payload: 'Test2'},
],
'WEBVTT\n' +
'X-TIMESTAMP-MAP=MPEGTS:900000,LOCAL:01:00:00.000\n\n' +
'00:00:20.000 --> 00:00:40.000 line:0\n' +
'Test\n\n' +
'00:00:40.000 --> 00:00:50.000 line:-1\n' +
'Test2',
{periodStart: 0, segmentStart: 25, segmentEnd: 65, vttOffset: 0},
/* sequenceMode= */ false);
});
it('parses X-TIMESTAMP-MAP header with non-zero local base', () => {
verifyHelper(
[
{startTime: 1800, endTime: 1810, payload: 'Test'},
{startTime: 1820, endTime: 1830, payload: 'Test2'},
],
// 162000000 = 30 * 60 * 90k = 30 minutes for the TS part of the map.
// The local (VTT) part of the map is 1 hour.
// So text times of 1 hour map to media times of 30 minutes.
'WEBVTT\n' +
'X-TIMESTAMP-MAP=MPEGTS:162000000,LOCAL:01:00:00.000\n\n' +
'01:00:00.000 --> 01:00:10.000 line:0\n' +
'Test\n\n' +
'01:00:20.000 --> 01:00:30.000 line:-1\n' +
'Test2',
{periodStart: 0, segmentStart: 25, segmentEnd: 65, vttOffset: 0},
/* sequenceMode= */ true);
});
it('combines X-TIMESTAMP-MAP header with periodStart', () => {
verifyHelper(
[
{startTime: 130, endTime: 150, payload: 'Test'},
{startTime: 150, endTime: 160, payload: 'Test2'},
],
// 900000 = 10 sec, so expect every timestamp to be 10
// seconds ahead of what is specified.
'WEBVTT\n' +
'X-TIMESTAMP-MAP=MPEGTS:900000,LOCAL:00:00:00.000\n\n' +
'00:00:20.000 --> 00:00:40.000 line:0\n' +
'Test\n\n' +
'00:00:40.000 --> 00:00:50.000 line:-1\n' +
'Test2',
{periodStart: 100, segmentStart: 25, segmentEnd: 65, vttOffset: 0},
/* sequenceMode= */ true);
});
it('handles timestamp rollover with X-TIMESTAMP-MAP header', () => {
verifyHelper(
[
{startTime: 95443, endTime: 95445, payload: 'Test'},
],
// 8589870000/90000 = 95443 sec, so expect every timestamp to be 95443
// seconds ahead of what is specified.
'WEBVTT\n' +
'X-TIMESTAMP-MAP=MPEGTS:8589870000,LOCAL:00:00:00.000\n\n' +
'00:00:00.000 --> 00:00:02.000 line:0\n' +
'Test',
// Non-null segmentStart takes precedence over X-TIMESTAMP-MAP.
// This protects us from rollover in the MPEGTS field.
{periodStart: 0, segmentStart: 95440, segmentEnd: 95550, vttOffset: 0},
/* sequenceMode= */ true);
verifyHelper(
[
{startTime: 95552, endTime: 95554, payload: 'Test2'},
],
// 95550 is larger than the roll over timestamp, so the timestamp offset
// gets rolled over.
// (9745408 + 0x200000000) / 90000 = 95552 sec
'WEBVTT\n' +
'X-TIMESTAMP-MAP=MPEGTS:9745408,LOCAL:00:00:00.000\n\n' +
'00:00:00.000 --> 00:00:02.000 line:0\n' +
'Test2',
{periodStart: 0, segmentStart: 95550, segmentEnd: 95560, vttOffset: 0},
/* sequenceMode= */ true);
});
// A mock-up of HLS live subs as seen in b/253104251.
it('handles timestamp rollover and negative offset in HLS live', () => {
// Similar to values seen in b/253104251, for a realistic regression test.
// When using sequence mode on live HLS, we get negative offsets that
// represent the timestamp of our first append in sequence mode.
verifyHelper(
[
{startTime: 3600, endTime: 3602, payload: 'Test'},
],
'WEBVTT\n' +
'X-TIMESTAMP-MAP=MPEGTS:8355814896,LOCAL:00:00:00.000\n\n' +
'00:00:00.000 --> 00:00:02.000 line:0\n' +
'Test',
{
periodStart: -1234567,
segmentStart: 3600,
segmentEnd: 3610,
vttOffset: -1234567,
},
/* sequenceMode= */ true);
});
it('supports global style blocks', () => {
const textShadow = '-1px 0 black, 0 1px black, 1px 0 black, 0 -1px black';
verifyHelper(
[
{
startTime: 20,
endTime: 40,
payload: 'Test',
color: 'cyan',
fontSize: '10px',
textShadow: textShadow,
},
{
startTime: 40,
endTime: 50,
payload: 'Test2',
color: 'cyan',
fontSize: '10px',
textShadow: textShadow,
},
],
'WEBVTT\n\n' +
'STYLE\n' +
'::cue {\n' +
'color: cyan;\n'+
'font-size: 10px;\n'+
`text-shadow: ${textShadow};\n`+
'}\n\n' +
'00:00:20.000 --> 00:00:40.000\n' +
'Test\n\n' +
'00:00:40.000 --> 00:00:50.000\n' +
'Test2',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports global style blocks without blank lines', () => {
verifyHelper(
[
{
startTime: 20,
endTime: 40,
payload: 'Test',
color: 'cyan',
fontSize: '10px',
},
{
startTime: 40,
endTime: 50,
payload: 'Test2',
color: 'cyan',
fontSize: '10px',
},
],
'WEBVTT\n\n' +
'STYLE\n' +
'::cue { color: cyan; font-size: 10px; }\n\n' +
'00:00:20.000 --> 00:00:40.000\n' +
'Test\n\n' +
'00:00:40.000 --> 00:00:50.000\n' +
'Test2',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports payload stylized', () => {
verifyHelper(
[
{
startTime: 10,
endTime: 20,
payload: '',
nestedCues: [
{
startTime: 10,
endTime: 20,
payload: 'Test',
fontWeight: Cue.fontWeight.BOLD,
},
],
},
{
startTime: 20,
endTime: 30,
payload: '',
nestedCues: [
{
startTime: 20,
endTime: 30,
payload: 'Test2',
fontStyle: Cue.fontStyle.ITALIC,
},
],
},
{
startTime: 30,
endTime: 40,
payload: '',
nestedCues: [
{
startTime: 30,
endTime: 40,
payload: 'Test3',
textDecoration: [Cue.textDecoration.UNDERLINE],
},
],
},
{
startTime: 40,
endTime: 50,
payload: '',
nestedCues: [
{
startTime: 40,
endTime: 50,
payload: 'Test4',
},
],
},
{
startTime: 50,
endTime: 60,
payload: '',
nestedCues: [
{
startTime: 50,
endTime: 60,
payload: 'Test',
fontWeight: Cue.fontWeight.BOLD,
fontStyle: Cue.fontStyle.NORMAL,
},
{
startTime: 50,
endTime: 60,
payload: '5',
fontWeight: Cue.fontWeight.BOLD,
fontStyle: Cue.fontStyle.ITALIC,
},
],
},
{
startTime: 70,
endTime: 80,
payload: '',
nestedCues: [
{
startTime: 70,
endTime: 80,
payload: 'Test',
fontWeight: Cue.fontWeight.NORMAL,
},
{
startTime: 70,
endTime: 80,
payload: '6',
fontWeight: Cue.fontWeight.BOLD,
},
],
},
{
startTime: 80,
endTime: 90,
payload: '',
nestedCues: [
{
startTime: 80,
endTime: 90,
payload: 'Test ',
fontWeight: Cue.fontWeight.BOLD,
fontStyle: Cue.fontStyle.NORMAL,
},
{
startTime: 80,
endTime: 90,
payload: '7',
fontWeight: Cue.fontWeight.BOLD,
fontStyle: Cue.fontStyle.ITALIC,
},
],
},
{
startTime: 90,
endTime: 100,
payload: '<b>Test<i>8</b>',
},
],
'WEBVTT\n\n' +
'00:00:10.000 --> 00:00:20.000\n' +
'<b>Test</b>\n\n' +
'00:00:20.000 --> 00:00:30.000\n' +
'<i>Test2</i>\n\n' +
'00:00:30.000 --> 00:00:40.000\n' +
'<u>Test3</u>\n\n' +
'00:00:40.000 --> 00:00:50.000\n' +
'<a>Test4</a>\n\n' +
'00:00:50.000 --> 00:01:00.000\n' +
'<b>Test<i>5</i></b>\n\n' +
'00:01:10.000 --> 00:01:20.000\n' +
'Test<b>6</b>\n\n' +
'00:01:20.000 --> 00:01:30.000\n' +
'<b>Test <i>7</i></b>\n\n' +
'00:01:30.000 --> 00:01:40.000\n' +
'<b>Test<i>8</b>',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('support escaped html payload', () => {
verifyHelper(
[
{startTime: 20.1, endTime: 40.505, payload: '"Test & 1"\u{a0}'},
],
'WEBVTT\n\n' +
'00:00:20.100 --> 00:00:40.505\n' +
'"Test & 1" ',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports specific style blocks', () => {
verifyHelper(
[
{
startTime: 20,
endTime: 40,
payload: '',
nestedCues: [
{
startTime: 20,
endTime: 40,
payload: 'Test',
color: 'cyan',
fontWeight: Cue.fontWeight.BOLD,
},
],
},
{startTime: 40, endTime: 50, payload: 'Test2'},
],
'WEBVTT\n\n' +
'STYLE\n::cue(b) { color: cyan; }\n\n' +
'00:00:20.000 --> 00:00:40.000\n' +
'<b>Test</b>\n\n' +
'00:00:40.000 --> 00:00:50.000\n' +
'Test2',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports only two digits in the timestamp', () => {
verifyHelper(
[
{startTime: 20, endTime: 40, payload: 'Test'},
],
'WEBVTT\n\n' +
'00:00:20.00 --> 00:00:40.00\n' +
'Test',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});
it('supports class with default color', () => {
verifyHelper(
[
{
startTime: 20, endTime: 40,
payload: '',
nestedCues: [
{
startTime: 20,
endTime: 40,
payload: 'Test',
color: 'yellow',
},
],
},
{
startTime: 40, endTime: 50,
payload: '',
nestedCues: [
{
startTime: 40,
endTime: 50,
payload: 'Test2',
color: 'cyan',
backgroundColor: 'blue',
},
],
},
{
startTime: 50, endTime: 60,
payload: '',
nestedCues: [
{
startTime: 50,
endTime: 60,
payload: 'Test 3',
color: 'magenta',
backgroundColor: 'black',
},
],
},
{
startTime: 60,
endTime: 70,
payload: '',
nestedCues: [
{
startTime: 60,
endTime: 70,
payload: 'First row',
},
{
startTime: 60,
endTime: 70,
payload: 'Test4.1',
color: 'yellow',
},
{
startTime: 60,
endTime: 70,
payload: '',
lineBreak: true,
},
{
startTime: 60,
endTime: 70,
payload: 'Second row',
},
{
startTime: 60,
endTime: 70,
payload: 'Test4.2',
color: 'blue',
},
],
},
{
startTime: 70,
endTime: 80,
payload: '',
nestedCues: [
{
startTime: 70,
endTime: 80,
payload: 'Test5.1',
color: 'red',
},
{
startTime: 70,
endTime: 80,
payload: 'Test5.2',
color: 'lime',
},
],
},
{
startTime: 80,
endTime: 90,
payload: '<b><c.lime>Parse fail 1</b></c.lime>',