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https://gerrit.wikimedia.org/r/mediawiki/extensions/RevisionSlider
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9aca3a2593
It's never used in another context but together with the ….Slider module. Motivated by the confusion about the two types of require() introduced in Idf1cc79. Bug: T233279 Change-Id: I922d7ab56fd3ce80bc901f1a5d7174df6fe6756d
56 lines
1.8 KiB
JavaScript
56 lines
1.8 KiB
JavaScript
var SliderModule = require( 'ext.RevisionSlider.Slider' ),
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Slider = SliderModule.Slider,
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Revision = SliderModule.Revision,
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RevisionList = SliderModule.RevisionList;
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function makeNRevisions( n ) {
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var revs = [];
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for ( var i = 0; i < n; i++ ) {
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revs.push( new Revision( { revid: i + 1, user: 'Fooo' } ) );
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}
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return new RevisionList( revs );
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}
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QUnit.module( 'ext.RevisionSlider.Slider' );
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QUnit.test( 'has revisions', function ( assert ) {
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var revs = new RevisionList( [
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new Revision( { revid: 1 } ),
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new Revision( { revid: 2 } )
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] ),
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slider = new Slider( revs );
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assert.strictEqual( slider.getRevisionList(), revs );
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} );
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QUnit.test( 'Given no revisions, first visible revision index is 0', function ( assert ) {
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var slider = new Slider( makeNRevisions( 0 ) );
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assert.strictEqual( slider.getOldestVisibleRevisionIndex(), 0 );
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} );
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QUnit.test( 'Given 200 revisions sliding once increases oldestVisibleRevisionIndex by the number of revisions per window', function ( assert ) {
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var slider = new Slider( makeNRevisions( 200 ) );
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slider.setRevisionsPerWindow( 50 );
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slider.slide( 1 );
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assert.strictEqual( slider.getOldestVisibleRevisionIndex(), 50 );
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} );
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QUnit.test( 'oldestVisibleRevisionIndex cannot be higher than revisions.length - revisionsPerWindow', function ( assert ) {
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var slider = new Slider( makeNRevisions( 75 ) );
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slider.setRevisionsPerWindow( 50 );
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slider.slide( 1 );
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assert.strictEqual( slider.getOldestVisibleRevisionIndex(), 25 );
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} );
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QUnit.test( 'oldestVisibleRevisionIndex cannot be lower than 0', function ( assert ) {
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var slider = new Slider( makeNRevisions( 50 ) );
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slider.oldestVisibleRevisionIndex = 10;
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slider.setRevisionsPerWindow( 20 );
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slider.slide( -1 );
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assert.strictEqual( slider.getOldestVisibleRevisionIndex(), 0 );
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} );
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