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/* eslint-env qunit */
import TextTrackCueList from '../../../src/js/tracks/text-track-cue-list.js';
const genericTracks = [
{
id: '1'
}, {
id: '2'
}, {
id: '3'
}
];
QUnit.module('Text Track Cue List');
QUnit.test('TextTrackCueList\'s length is set correctly', function(assert) {
const ttcl = new TextTrackCueList(genericTracks);
assert.equal(ttcl.length, genericTracks.length, 'the length is ' + genericTracks.length);
});
QUnit.test('can get cues by id', function(assert) {
const ttcl = new TextTrackCueList(genericTracks);
assert.equal(ttcl.getCueById('1').id, 1, 'id "1" has id of "1"');
assert.equal(ttcl.getCueById('2').id, 2, 'id "2" has id of "2"');
assert.equal(ttcl.getCueById('3').id, 3, 'id "3" has id of "3"');
assert.ok(!ttcl.getCueById(1), 'there isn\'t an item with "numeric" id of `1`');
});
QUnit.test('length is updated when new tracks are added or removed', function(assert) {
const ttcl = new TextTrackCueList(genericTracks);
ttcl.setCues_(genericTracks.concat([{id: '100'}]));
assert.equal(
ttcl.length, genericTracks.length + 1,
'the length is ' + (genericTracks.length + 1)
);
ttcl.setCues_(genericTracks.concat([{id: '100'}, {id: '101'}]));
assert.equal(
ttcl.length, genericTracks.length + 2,
'the length is ' + (genericTracks.length + 2)
);
ttcl.setCues_(genericTracks.concat([{id: '100'}]));
assert.equal(
ttcl.length, genericTracks.length + 1,
'the length is ' + (genericTracks.length + 1)
);
ttcl.setCues_(genericTracks);
assert.equal(ttcl.length, genericTracks.length, 'the length is ' + genericTracks.length);
});
QUnit.test('can access items by index', function(assert) {
const ttcl = new TextTrackCueList(genericTracks);
const length = ttcl.length;
assert.expect(length);
for (let i = 0; i < length; i++) {
assert.equal(ttcl[i].id, String(i + 1), 'the id of a track matches the index + 1');
}
});
QUnit.test('can access new items by index', function(assert) {
const ttcl = new TextTrackCueList(genericTracks);
ttcl.setCues_(genericTracks.concat([{id: '100'}]));
assert.equal(ttcl[3].id, '100', 'id of item at index 3 is 100');
ttcl.setCues_(genericTracks.concat([{id: '100'}, {id: '101'}]));
assert.equal(ttcl[4].id, '101', 'id of item at index 4 is 101');
});
QUnit.test('cannot access removed items by index', function(assert) {
const ttcl = new TextTrackCueList(genericTracks);
ttcl.setCues_(genericTracks.concat([{id: '100'}, {id: '101'}]));
assert.equal(ttcl[3].id, '100', 'id of item at index 3 is 100');
assert.equal(ttcl[4].id, '101', 'id of item at index 4 is 101');
ttcl.setCues_(genericTracks);
assert.ok(!ttcl[3], 'nothing at index 3');
assert.ok(!ttcl[4], 'nothing at index 4');
});
QUnit.test('new item available at old index', function(assert) {
const ttcl = new TextTrackCueList(genericTracks);
ttcl.setCues_(genericTracks.concat([{id: '100'}]));
assert.equal(ttcl[3].id, '100', 'id of item at index 3 is 100');
ttcl.setCues_(genericTracks);
assert.ok(!ttcl[3], 'nothing at index 3');
ttcl.setCues_(genericTracks.concat([{id: '101'}]));
assert.equal(ttcl[3].id, '101', 'id of new item at index 3 is now 101');
});
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