mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-12-01 03:06:17 +00:00
d204ecc99a
This heavily relied on deferreds getting resolved synchroneously, which (for .then) is no longer the case with jQuery 3. There's also a difference in how chained .then's get resolved. These tests did not wait for the deferreds to get resolved async, so that had to change. Worse even: some functionality was tested by assuming a handler would not be called (= the test in that handler would not be called), which didn't make the test run, because we never even waited for it to be called. The changes in here are basically: * make mmv.bootstrap.js correctly use .then instead of .done & fail * let mmw.bootstrap.test.js tests wait for unresolved async promises * check call counts instead of running tests inside of callbacks * limit use of fake timer to the 1 test that needs it (it interferes with async, which otherwise don't get resolved) Bug: T164473 Change-Id: I3ca4f786890ad1646f71fe336afdb61e5c3b01c7
562 lines
20 KiB
JavaScript
562 lines
20 KiB
JavaScript
( function ( mw, $ ) {
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QUnit.module( 'mmv.bootstrap', QUnit.newMwEnvironment( {
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setup: function () {
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mw.config.set( 'wgMediaViewer', true );
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mw.config.set( 'wgMediaViewerOnClick', true );
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this.sandbox.stub( mw.user, 'isAnon' ).returns( false );
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}
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} ) );
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function createGallery( imageSrc, caption ) {
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var $div = $( '<div>' ).addClass( 'gallery' ).appendTo( '#qunit-fixture' ),
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$galleryBox = $( '<div>' ).addClass( 'gallerybox' ).appendTo( $div ),
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$thumbwrap = $( '<div>' ).addClass( 'thumb' ).appendTo( $galleryBox ),
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$link = $( '<a>' ).addClass( 'image' ).appendTo( $thumbwrap );
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$( '<img>' ).attr( 'src', ( imageSrc || 'thumb.jpg' ) ).appendTo( $link );
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$( '<div>' ).addClass( 'gallerytext' ).text( caption || 'Foobar' ).appendTo( $galleryBox );
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return $div;
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}
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function createThumb( imageSrc, caption, alt ) {
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var $div = $( '<div>' ).addClass( 'thumb' ).appendTo( '#qunit-fixture' ),
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$link = $( '<a>' ).addClass( 'image' ).appendTo( $div );
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$( '<div>' ).addClass( 'thumbcaption' ).appendTo( $div ).text( caption );
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$( '<img>' ).attr( 'src', ( imageSrc || 'thumb.jpg' ) ).attr( 'alt', alt ).appendTo( $link );
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return $div;
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}
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function createNormal( imageSrc, caption ) {
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var $link = $( '<a>' ).prop( 'title', caption ).addClass( 'image' ).appendTo( '#qunit-fixture' );
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$( '<img>' ).prop( 'src', ( imageSrc || 'thumb.jpg' ) ).appendTo( $link );
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return $link;
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}
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function createMultipleImage( images ) {
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var i, $div, $thumbimage, $link,
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$contain = $( '<div>' ).addClass( 'thumb' ),
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$thumbinner = $( '<div>' ).addClass( 'thumbinner' ).appendTo( $contain );
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for ( i = 0; i < images.length; ++i ) {
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$div = $( '<div>' ).appendTo( $thumbinner );
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$thumbimage = $( '<div>' ).addClass( 'thumbimage' ).appendTo( $div );
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$link = $( '<a>' ).addClass( 'image' ).appendTo( $thumbimage );
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$( '<img>' ).prop( 'src', images[ i ][ 0 ] ).appendTo( $link );
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$( '<div>' ).addClass( 'thumbcaption' ).text( images[ i ][ 1 ] ).appendTo( $div );
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}
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return $contain;
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}
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function createBootstrap( viewer ) {
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var bootstrap = new mw.mmv.MultimediaViewerBootstrap();
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bootstrap.processThumbs( $( '#qunit-fixture' ) );
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// MultimediaViewerBootstrap.ensureEventHandlersAreSetUp() is a weird workaround for gadget bugs.
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// MediaViewer should work without it, and so should the tests.
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bootstrap.ensureEventHandlersAreSetUp = $.noop;
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bootstrap.getViewer = function () {
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return viewer || { initWithThumbs: $.noop, hash: $.noop };
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};
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return bootstrap;
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}
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function hashTest( prefix, bootstrap, assert ) {
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var hash = prefix + '/foo',
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callCount = 0;
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bootstrap.loadViewer = function () {
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callCount++;
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return $.Deferred().reject();
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};
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// Hijack loadViewer, which will return a promise that we'll have to
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// wait for if we want to see these tests through
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mw.mmv.testHelpers.asyncMethod( bootstrap, 'loadViewer' );
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bootstrap.setupEventHandlers();
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// invalid hash, should not trigger MMV load
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window.location.hash = 'Foo';
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// actual hash we want to test for, should trigger MMV load
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// use setTimeout to add new hash change to end of the call stack,
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// ensuring that event handlers for our previous change can execute
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// without us interfering with another immediate change
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setTimeout( function () {
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window.location.hash = hash;
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} );
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return mw.mmv.testHelpers.waitForAsync().then( function () {
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assert.ok( callCount === 1, 'Viewer should be loaded once' );
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bootstrap.cleanupEventHandlers();
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window.location.hash = '';
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} );
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}
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QUnit.test( 'Promise does not hang on ResourceLoader errors', 3, function ( assert ) {
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var bootstrap,
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errorMessage = 'loading failed',
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done = assert.async();
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this.sandbox.stub( mw.loader, 'using' )
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.callsArgWith( 2, new Error( errorMessage, [ 'mmv' ] ) )
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.withArgs( 'mediawiki.notification' ).returns( $.Deferred().reject() ); // needed for mw.notify
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bootstrap = createBootstrap();
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this.sandbox.stub( bootstrap, 'setupOverlay' );
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this.sandbox.stub( bootstrap, 'cleanupOverlay' );
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bootstrap.loadViewer( true ).fail( function ( message ) {
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assert.ok( bootstrap.setupOverlay.called, 'Overlay was set up' );
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assert.ok( bootstrap.cleanupOverlay.called, 'Overlay was cleaned up' );
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assert.strictEqual( message, errorMessage, 'promise is rejected with the error message when loading fails' );
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done();
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} );
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} );
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QUnit.test( 'Clicks are not captured once the loading fails', 4, function ( assert ) {
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var event, returnValue,
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bootstrap = new mw.mmv.MultimediaViewerBootstrap(),
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clock = this.sandbox.useFakeTimers();
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this.sandbox.stub( mw.loader, 'using' )
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.callsArgWith( 2, new Error( 'loading failed', [ 'mmv' ] ) )
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.withArgs( 'mediawiki.notification' ).returns( $.Deferred().reject() ); // needed for mw.notify
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bootstrap.ensureEventHandlersAreSetUp = $.noop;
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// trigger first click, which will cause MMV to be loaded (which we've
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// set up to fail)
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event = new $.Event( 'click', { button: 0, which: 1 } );
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returnValue = bootstrap.click( {}, event, 'foo' );
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clock.tick( 10 );
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assert.ok( event.isDefaultPrevented(), 'First click is caught' );
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assert.strictEqual( returnValue, false, 'First click is caught' );
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// wait until MMW is loaded (or failed to load, in this case) before we
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// trigger another click - which should then not be caught
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event = new $.Event( 'click', { button: 0, which: 1 } );
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returnValue = bootstrap.click( {}, event, 'foo' );
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clock.tick( 10 );
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assert.ok( !event.isDefaultPrevented(), 'Click after loading failure is not caught' );
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assert.notStrictEqual( returnValue, false, 'Click after loading failure is not caught' );
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clock.restore();
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} );
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QUnit.test( 'Check viewer invoked when clicking on valid image links', 14, function ( assert ) {
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// TODO: Is <div class="gallery"><span class="image"><img/></span></div> valid ???
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var div, link, link2, link3, link4, link5, bootstrap,
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viewer = { initWithThumbs: $.noop, loadImageByTitle: this.sandbox.stub() },
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clock = this.sandbox.useFakeTimers();
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// Create gallery with valid link image
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div = createGallery();
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link = div.find( 'a.image' );
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// Valid isolated thumbnail
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link2 = $( '<a>' ).addClass( 'image' ).appendTo( '#qunit-fixture' );
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$( '<img>' ).attr( 'src', 'thumb2.jpg' ).appendTo( link2 );
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// Non-valid fragment
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link3 = $( '<a>' ).addClass( 'noImage' ).appendTo( div );
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$( '<img>' ).attr( 'src', 'thumb3.jpg' ).appendTo( link3 );
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$( '<div>' ).addClass( 'fullMedia' ).appendTo( div );
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$( '<img>' ).attr( 'src', 'thumb4.jpg' ).appendTo(
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$( '<a>' )
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.appendTo(
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$( '<div>' )
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.attr( 'id', 'file' )
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.appendTo( '#qunit-fixture' )
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)
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);
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// Create a new bootstrap object to trigger the DOM scan, etc.
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bootstrap = createBootstrap( viewer );
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this.sandbox.stub( bootstrap, 'setupOverlay' );
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link4 = $( '.fullMedia .mw-mmv-view-expanded' );
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assert.ok( link4.length, 'Link for viewing expanded file was set up.' );
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link5 = $( '.fullMedia .mw-mmv-view-config' );
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assert.ok( link5.length, 'Link for opening enable/disable configuration was set up.' );
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// Click on valid link
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link.trigger( { type: 'click', which: 1 } );
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clock.tick( 10 );
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assert.ok( bootstrap.setupOverlay.callCount === 1, 'setupOverlay was called' );
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assert.ok( viewer.loadImageByTitle.callCount === 1, 'loadImageByTitle was called' );
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// Click on valid link
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link2.trigger( { type: 'click', which: 1 } );
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clock.tick( 10 );
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assert.ok( bootstrap.setupOverlay.callCount === 2, 'setupOverlay was called' );
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assert.ok( viewer.loadImageByTitle.callCount === 2, 'loadImageByTitle was called' );
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// Click on valid link
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link4.trigger( { type: 'click', which: 1 } );
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clock.tick( 10 );
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assert.ok( bootstrap.setupOverlay.callCount === 3, 'setupOverlay was called' );
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assert.ok( viewer.loadImageByTitle.callCount === 3, 'loadImageByTitle was called' );
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// Click on valid link even when preference says not to
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mw.config.set( 'wgMediaViewerOnClick', false );
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link4.trigger( { type: 'click', which: 1 } );
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clock.tick( 10 );
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mw.config.set( 'wgMediaViewerOnClick', true );
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assert.ok( bootstrap.setupOverlay.callCount === 4, 'setupOverlay was called' );
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assert.ok( viewer.loadImageByTitle.callCount === 4, 'loadImageByTitle was called' );
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// @todo comment that above clicks should result in call, below clicks should not
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// Click on non-valid link
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link3.trigger( { type: 'click', which: 1 } );
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clock.tick( 10 );
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assert.ok( bootstrap.setupOverlay.callCount === 4, 'setupOverlay was not called' );
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assert.ok( viewer.loadImageByTitle.callCount === 4, 'loadImageByTitle was not called' );
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// Click on valid links with preference off
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mw.config.set( 'wgMediaViewerOnClick', false );
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link.trigger( { type: 'click', which: 1 } );
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link2.trigger( { type: 'click', which: 1 } );
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clock.tick( 10 );
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assert.ok( bootstrap.setupOverlay.callCount === 4, 'setupOverlay was not called' );
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assert.ok( viewer.loadImageByTitle.callCount === 4, 'loadImageByTitle was not called' );
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clock.restore();
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} );
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QUnit.test( 'Skip images with invalid extensions', 1, function ( assert ) {
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var div, link,
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viewer = { initWithThumbs: $.noop, loadImageByTitle: this.sandbox.stub() },
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clock = this.sandbox.useFakeTimers();
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// Create gallery with image that has invalid name extension
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div = createGallery( 'thumb.badext' );
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link = div.find( 'a.image' );
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// Create a new bootstrap object to trigger the DOM scan, etc.
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createBootstrap( viewer );
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// Click on valid link with wrong image extension
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link.trigger( { type: 'click', which: 1 } );
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clock.tick( 10 );
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assert.ok( !viewer.loadImageByTitle.called, 'Image should not be loaded' );
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clock.restore();
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} );
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QUnit.test( 'Accept only left clicks without modifier keys, skip the rest', 6, function ( assert ) {
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var $div, $link, bootstrap,
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viewer = { initWithThumbs: $.noop, loadImageByTitle: this.sandbox.stub() },
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clock = this.sandbox.useFakeTimers();
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// Create gallery with image that has valid name extension
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$div = createGallery();
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// Create a new bootstrap object to trigger the DOM scan, etc.
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bootstrap = createBootstrap( viewer );
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this.sandbox.stub( bootstrap, 'setupOverlay' );
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$link = $div.find( 'a.image' );
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// Handle valid left click, it should try to load the image
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$link.trigger( { type: 'click', which: 1 } );
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clock.tick( 10 );
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assert.ok( bootstrap.setupOverlay.callCount === 1, 'Overlay was set up' );
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assert.ok( viewer.loadImageByTitle.callCount === 1, 'Image was loaded' );
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// Skip Ctrl-left-click, no image is loaded
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$link.trigger( { type: 'click', which: 1, ctrlKey: true } );
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clock.tick( 10 );
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assert.ok( bootstrap.setupOverlay.callCount === 1, 'Overlay was not set up' );
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assert.ok( viewer.loadImageByTitle.callCount === 1, 'Image was not loaded' );
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// Skip invalid right click, no image is loaded
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$link.trigger( { type: 'click', which: 2 } );
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clock.tick( 10 );
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assert.ok( bootstrap.setupOverlay.callCount === 1, 'Overlay was not set up' );
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assert.ok( viewer.loadImageByTitle.callCount === 1, 'Image was not loaded' );
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clock.restore();
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} );
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QUnit.test( 'Ensure that the correct title is loaded when clicking', 2, function ( assert ) {
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var bootstrap,
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viewer = { initWithThumbs: $.noop, loadImageByTitle: this.sandbox.stub() },
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$div = createGallery( 'foo.jpg' ),
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$link = $div.find( 'a.image' ),
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clock = this.sandbox.useFakeTimers();
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// Create a new bootstrap object to trigger the DOM scan, etc.
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bootstrap = createBootstrap( viewer );
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this.sandbox.stub( bootstrap, 'setupOverlay' );
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$link.trigger( { type: 'click', which: 1 } );
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clock.tick( 10 );
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assert.ok( bootstrap.setupOverlay.called, 'Overlay was set up' );
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assert.strictEqual( viewer.loadImageByTitle.firstCall.args[ 0 ].getPrefixedDb(), 'File:Foo.jpg', 'Titles are identical' );
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clock.restore();
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} );
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QUnit.test( 'Validate new LightboxImage object has sane constructor parameters', 9, function ( assert ) {
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var bootstrap,
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$div,
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$link,
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viewer = mw.mmv.testHelpers.getMultimediaViewer(),
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fname = 'valid',
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imgSrc = '/' + fname + '.jpg/300px-' + fname + '.jpg',
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imgRegex = new RegExp( imgSrc + '$' ),
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clock = this.sandbox.useFakeTimers();
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$div = createThumb( imgSrc, 'Blah blah', 'meow' );
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$link = $div.find( 'a.image' );
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// Create a new bootstrap object to trigger the DOM scan, etc.
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bootstrap = createBootstrap( viewer );
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this.sandbox.stub( bootstrap, 'setupOverlay' );
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this.sandbox.stub( viewer, 'createNewImage' );
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viewer.loadImage = $.noop;
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viewer.createNewImage = function ( fileLink, filePageLink, fileTitle, index, thumb, caption, alt ) {
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var html = thumb.outerHTML;
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assert.ok( fileLink.match( imgRegex ), 'Thumbnail URL used in creating new image object' );
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assert.strictEqual( filePageLink, '', 'File page link is sane when creating new image object' );
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assert.strictEqual( fileTitle.title, fname, 'Filename is correct when passed into new image constructor' );
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assert.strictEqual( index, 0, 'The only image we created in the gallery is set at index 0 in the images array' );
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assert.ok( html.indexOf( ' src="' + imgSrc + '"' ) > 0, 'The image element passed in contains the src=... we want.' );
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assert.ok( html.indexOf( ' alt="meow"' ) > 0, 'The image element passed in contains the alt=... we want.' );
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assert.strictEqual( caption, 'Blah blah', 'The caption passed in is correct' );
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assert.strictEqual( alt, 'meow', 'The alt text passed in is correct' );
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};
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$link.trigger( { type: 'click', which: 1 } );
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clock.tick( 10 );
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assert.ok( bootstrap.setupOverlay.called, 'Overlay was set up' );
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clock.reset();
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} );
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QUnit.test( 'Only load the viewer on a valid hash (modern browsers)', 1, function ( assert ) {
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var bootstrap;
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window.location.hash = '';
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bootstrap = createBootstrap();
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return hashTest( '/media', bootstrap, assert );
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} );
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QUnit.test( 'Only load the viewer on a valid hash (old browsers)', 1, function ( assert ) {
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var bootstrap;
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window.location.hash = '';
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bootstrap = createBootstrap();
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bootstrap.browserHistory = undefined;
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return hashTest( '/media', bootstrap, assert );
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} );
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QUnit.test( 'Load the viewer on a legacy hash (modern browsers)', 1, function ( assert ) {
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var bootstrap;
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window.location.hash = '';
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bootstrap = createBootstrap();
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return hashTest( 'mediaviewer', bootstrap, assert );
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} );
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QUnit.test( 'Load the viewer on a legacy hash (old browsers)', 1, function ( assert ) {
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var bootstrap;
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window.location.hash = '';
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bootstrap = createBootstrap();
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bootstrap.browserHistory = undefined;
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return hashTest( 'mediaviewer', bootstrap, assert );
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} );
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QUnit.test( 'Overlay is set up on hash change', 1, function ( assert ) {
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var bootstrap;
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window.location.hash = '#/media/foo';
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bootstrap = createBootstrap();
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this.sandbox.stub( bootstrap, 'setupOverlay' );
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bootstrap.hash();
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assert.ok( bootstrap.setupOverlay.called, 'Overlay is set up' );
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} );
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QUnit.test( 'Overlay is not set up on an irrelevant hash change', 1, function ( assert ) {
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var bootstrap;
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window.location.hash = '#foo';
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bootstrap = createBootstrap();
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this.sandbox.stub( bootstrap, 'setupOverlay' );
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bootstrap.loadViewer();
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bootstrap.setupOverlay.reset();
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bootstrap.hash();
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assert.ok( !bootstrap.setupOverlay.called, 'Overlay is not set up' );
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} );
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QUnit.test( 'internalHashChange', 2, function ( assert ) {
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var bootstrap = createBootstrap(),
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hash = '#/media/foo',
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callCount = 0,
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clock = this.sandbox.useFakeTimers();
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window.location.hash = '';
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bootstrap.loadViewer = function () {
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callCount++;
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return $.Deferred().reject();
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};
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bootstrap.setupEventHandlers();
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bootstrap.internalHashChange( { hash: hash } );
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clock.tick( 10 );
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assert.ok( callCount === 0, 'Viewer should not be loaded' );
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assert.strictEqual( window.location.hash, hash, 'Window\'s hash has been updated correctly' );
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bootstrap.cleanupEventHandlers();
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window.location.hash = '';
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clock.restore();
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} );
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QUnit.test( 'internalHashChange (legacy)', 2, function ( assert ) {
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var bootstrap = createBootstrap(),
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hash = '#mediaviewer/foo',
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callCount = 0,
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clock = this.sandbox.useFakeTimers();
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window.location.hash = '';
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bootstrap.loadViewer = function () {
|
|
callCount++;
|
|
return $.Deferred().reject();
|
|
};
|
|
|
|
bootstrap.setupEventHandlers();
|
|
|
|
bootstrap.internalHashChange( { hash: hash } );
|
|
clock.tick( 10 );
|
|
|
|
assert.ok( callCount === 0, 'Viewer should not be loaded' );
|
|
assert.strictEqual( window.location.hash, hash, 'Window\'s hash has been updated correctly' );
|
|
|
|
bootstrap.cleanupEventHandlers();
|
|
window.location.hash = '';
|
|
clock.restore();
|
|
} );
|
|
|
|
QUnit.test( 'Restoring article scroll position', 2, function ( assert ) {
|
|
var bootstrap = createBootstrap(),
|
|
scrollTop = 50,
|
|
scrollLeft = 60,
|
|
stubbedScrollTop = scrollTop,
|
|
stubbedScrollLeft = scrollLeft;
|
|
|
|
this.sandbox.stub( $, 'scrollTo', function ( target ) {
|
|
if ( target ) {
|
|
stubbedScrollTop = target.top;
|
|
stubbedScrollLeft = target.left;
|
|
} else {
|
|
return {
|
|
scrollTop: function () { return stubbedScrollTop; },
|
|
scrollLeft: function () { return stubbedScrollLeft; }
|
|
};
|
|
}
|
|
} );
|
|
|
|
bootstrap.setupOverlay();
|
|
// Calling this a second time because it can happen in history navigation context
|
|
bootstrap.setupOverlay();
|
|
bootstrap.cleanupOverlay();
|
|
|
|
assert.strictEqual( stubbedScrollTop, scrollTop, 'Scroll is correctly reset to original top position' );
|
|
assert.strictEqual( stubbedScrollLeft, scrollLeft, 'Scroll is correctly reset to original left position' );
|
|
} );
|
|
|
|
QUnit.test( 'Preload JS/CSS dependencies on thumb hover', 2, function ( assert ) {
|
|
var $div, bootstrap,
|
|
clock = this.sandbox.useFakeTimers(),
|
|
viewer = { initWithThumbs: $.noop };
|
|
|
|
// Create gallery with image that has valid name extension
|
|
$div = createThumb();
|
|
|
|
// Create a new bootstrap object to trigger the DOM scan, etc.
|
|
bootstrap = createBootstrap( viewer );
|
|
|
|
this.sandbox.stub( mw.loader, 'load' );
|
|
|
|
$div.mouseenter();
|
|
clock.tick( bootstrap.hoverWaitDuration - 50 );
|
|
$div.mouseleave();
|
|
|
|
assert.ok( !mw.loader.load.called, 'Dependencies should not be preloaded if the thumb is not hovered long enough' );
|
|
|
|
$div.mouseenter();
|
|
clock.tick( bootstrap.hoverWaitDuration + 50 );
|
|
$div.mouseleave();
|
|
|
|
assert.ok( mw.loader.load.called, 'Dependencies should be preloaded if the thumb is hovered long enough' );
|
|
|
|
clock.restore();
|
|
} );
|
|
|
|
QUnit.test( 'isAllowedThumb', 5, function ( assert ) {
|
|
var $container = $( '<div>' ),
|
|
$thumb = $( '<img>' ).appendTo( $container ),
|
|
bootstrap = createBootstrap();
|
|
|
|
assert.ok( bootstrap.isAllowedThumb( $thumb ), 'Normal image in a div is allowed.' );
|
|
|
|
$container.addClass( 'metadata' );
|
|
assert.strictEqual( bootstrap.isAllowedThumb( $thumb ), false, 'Image in a metadata container is disallowed.' );
|
|
|
|
$container.prop( 'class', '' );
|
|
$container.addClass( 'noviewer' );
|
|
assert.strictEqual( bootstrap.isAllowedThumb( $thumb ), false, 'Image in a noviewer container is disallowed.' );
|
|
|
|
$container.prop( 'class', '' );
|
|
$container.addClass( 'noarticletext' );
|
|
assert.strictEqual( bootstrap.isAllowedThumb( $thumb ), false, 'Image in an empty article is disallowed.' );
|
|
|
|
$container.prop( 'class', '' );
|
|
$thumb.addClass( 'noviewer' );
|
|
assert.strictEqual( bootstrap.isAllowedThumb( $thumb ), false, 'Image with a noviewer class is disallowed.' );
|
|
} );
|
|
|
|
QUnit.test( 'findCaption', 4, function ( assert ) {
|
|
var gallery = createGallery( 'foo.jpg', 'Baz' ),
|
|
thumb = createThumb( 'foo.jpg', 'Quuuuux' ),
|
|
link = createNormal( 'foo.jpg', 'Foobar' ),
|
|
multiple = createMultipleImage( [ [ 'foo.jpg', 'Image #1' ], [ 'bar.jpg', 'Image #2' ],
|
|
[ 'foobar.jpg', 'Image #3' ] ] ),
|
|
bootstrap = createBootstrap();
|
|
|
|
assert.strictEqual( bootstrap.findCaption( gallery.find( '.thumb' ), gallery.find( 'a.image' ) ), 'Baz', 'A gallery caption is found.' );
|
|
assert.strictEqual( bootstrap.findCaption( thumb, thumb.find( 'a.image' ) ), 'Quuuuux', 'A thumbnail caption is found.' );
|
|
assert.strictEqual( bootstrap.findCaption( $(), link ), 'Foobar', 'The caption is found even if the image is not a thumbnail.' );
|
|
assert.strictEqual( bootstrap.findCaption( multiple, multiple.find( 'img[src="bar.jpg"]' ).closest( 'a' ) ), 'Image #2', 'The caption is found in {{Multiple image}}.' );
|
|
} );
|
|
}( mediaWiki, jQuery ) );
|