mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/RevisionSlider
synced 2024-12-22 19:52:43 +00:00
b900446572
Reintroduces IIFE closures in test files because variables were declared in the global namespace, and "const" now causes hard errors. Bug: T339323 Change-Id: I69e9d7a29591137f185f3e5ab02dea590ec4dff6
58 lines
1.8 KiB
JavaScript
58 lines
1.8 KiB
JavaScript
( function () {
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const 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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const revs = [];
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for ( let 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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const 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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const 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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const 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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const 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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const 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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}() );
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