( function ( mw, $ ) { QUnit.module( 'mmv.ui.description', QUnit.newMwEnvironment() ); QUnit.test( 'Sanity test, object creation and UI construction', function ( assert ) { var description = new mw.mmv.ui.Description( $( '#qunit-fixture' ) ); assert.ok( description, 'Image description UI element is created' ); assert.strictEqual( description.$imageDescDiv.length, 1, 'Image description div is created' ); assert.strictEqual( description.$imageDesc.length, 1, 'Image description element is created' ); } ); QUnit.test( 'Setting data in different combinations works well', function ( assert ) { var description = new mw.mmv.ui.Description( $( '#qunit-fixture' ) ); description.set( null, null ); assert.ok( description.$imageDescDiv.hasClass( 'empty' ), 'Image description div is marked empty when neither description nor caption is available' ); description.set( null, 'foo' ); assert.ok( description.$imageDescDiv.hasClass( 'empty' ), 'Image description div is marked empty when there is no description' ); description.set( 'blah', null ); assert.ok( description.$imageDescDiv.hasClass( 'empty' ), 'Image description div is marked empty when there is no caption (description will be shown in title)' ); description.set( 'foo', 'bar' ); assert.ok( !description.$imageDescDiv.hasClass( 'empty' ), 'Image description div is not marked empty when both description and caption are available' ); assert.strictEqual( description.$imageDesc.text(), 'foo', 'Image description text is set correctly, caption is ignored' ); } ); QUnit.test( 'Emptying data works as expected', function ( assert ) { var description = new mw.mmv.ui.Description( $( '#qunit-fixture' ) ); description.set( 'foo', 'bar' ); description.empty(); assert.strictEqual( description.$imageDescDiv.hasClass( 'empty' ), true, 'Image description div is marked empty when emptied' ); assert.strictEqual( description.$imageDesc.text(), '', 'Image description text is emptied correctly' ); } ); }( mediaWiki, jQuery ) );