mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/RevisionSlider
synced 2024-11-15 11:40:43 +00:00
b0227f24b4
The meaning of first in this context was totally unclear and not very usefull. It turns out, that the "first" revision is always the oldest and the last is always the newest revision. Change-Id: I009438777908a5f4a8833f8f5cb7d3041057741c
58 lines
1.8 KiB
JavaScript
58 lines
1.8 KiB
JavaScript
( function ( mw ) {
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var Slider = mw.libs.revisionSlider.Slider,
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RevisionList = mw.libs.revisionSlider.RevisionList,
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Revision = mw.libs.revisionSlider.Revision,
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makeNRevisions = function ( n ) {
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var revs = [],
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i;
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for ( 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.equal( slider.getRevisions(), 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.equal( 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.equal( 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.equal( 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.equal( slider.getOldestVisibleRevisionIndex(), 0 );
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} );
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}( mediaWiki ) );
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