mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-12-20 20:02:40 +00:00
250 lines
8.3 KiB
JavaScript
250 lines
8.3 KiB
JavaScript
/*
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* This file is part of the MediaWiki extension MediaViewer.
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*
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* MediaViewer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* MediaViewer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MediaViewer. If not, see <http://www.gnu.org/licenses/>.
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*/
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( function ( mw, $ ) {
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QUnit.module( 'mmv.ui.metadataPanelScroller', QUnit.newMwEnvironment( {
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setup: function () {
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this.clock = this.sandbox.useFakeTimers();
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}
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} ) );
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QUnit.test( 'empty()', 1, function ( assert ) {
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var $qf = $( '#qunit-fixture' ),
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scroller = new mw.mmv.ui.MetadataPanelScroller( $qf, $( '<div>' ).appendTo( $qf ) );
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scroller.empty();
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assert.ok( !scroller.$container.hasClass( 'invite' ), 'We successfully reset the invite' );
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} );
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QUnit.test( 'Metadata div is only animated once', 5, function ( assert ) {
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var $qf = $( '#qunit-fixture' ),
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displayCount,
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scroller = new mw.mmv.ui.MetadataPanelScroller( $qf, $( '<div>' ).appendTo( $qf ), {
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// We simulate localStorage to avoid test side-effects
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getItem: function () { return displayCount; },
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setItem: function ( _, val ) { displayCount = val; }
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} );
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scroller.attach();
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scroller.animateMetadataOnce();
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assert.ok( scroller.hasAnimatedMetadata,
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'The first call to animateMetadataOnce set hasAnimatedMetadata to true' );
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assert.ok( $qf.hasClass( 'invite' ),
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'The first call to animateMetadataOnce led to an animation' );
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$qf.removeClass( 'invite' );
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scroller.animateMetadataOnce();
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assert.strictEqual( scroller.hasAnimatedMetadata, true, 'The second call to animateMetadataOnce did not change the value of hasAnimatedMetadata' );
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assert.ok( !$qf.hasClass( 'invite' ),
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'The second call to animateMetadataOnce did not lead to an animation' );
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scroller.unattach();
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scroller.attach();
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scroller.animateMetadataOnce();
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assert.ok( $qf.hasClass( 'invite' ),
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'After closing and opening the viewer, the panel is animated again' );
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scroller.unattach();
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} );
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QUnit.test( 'No localStorage', 1, function ( assert ) {
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var $qf = $( '#qunit-fixture' ),
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scroller = new mw.mmv.ui.MetadataPanelScroller( $qf, $( '<div>' ).appendTo( $qf ) );
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this.sandbox.stub( $, 'scrollTo', function () { return { scrollTop: function () { return 10; } }; } );
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scroller.scroll();
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assert.strictEqual( scroller.hasOpenedMetadata, true, 'We store hasOpenedMetadata flag for the session' );
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} );
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QUnit.test( 'localStorage is full', 2, function ( assert ) {
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var $qf = $( '#qunit-fixture' ),
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localStorage = { getItem: $.noop, setItem: this.sandbox.stub().throwsException( 'I am full' ) },
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scroller = new mw.mmv.ui.MetadataPanelScroller( $qf, $( '<div>' ).appendTo( $qf ), localStorage );
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this.sandbox.stub( $, 'scrollTo', function () {
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return {
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scrollTop: function () { return 10; },
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on: $.noop,
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off: $.noop
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};
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} );
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scroller.attach();
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scroller.scroll();
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assert.strictEqual( scroller.hasOpenedMetadata, true, 'We store hasOpenedMetadata flag for the session' );
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scroller.scroll();
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assert.ok( localStorage.setItem.calledOnce, 'localStorage only written once' );
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scroller.unattach();
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} );
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/**
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* We need to set up a proxy on the jQuery scrollTop function and the jQuery.scrollTo plugin,
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* that will let us pretend that the document really scrolled and that will return values
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* as if the scroll happened.
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*
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* @param {sinon.sandbox} sandbox
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* @param {mw.mmv.ui.MetadataPanelScroller} scroller
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*/
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function stubScrollFunctions( sandbox, scroller ) {
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var memorizedScrollToScroll = 0,
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originalJQueryScrollTop = $.fn.scrollTop,
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originalJQueryScrollTo = $.scrollTo;
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sandbox.stub( $.fn, 'scrollTop', function ( scrollTop ) {
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// On some browsers $.scrollTo() != $document
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if ( $.scrollTo().is( this ) ) {
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if ( scrollTop !== undefined ) {
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memorizedScrollToScroll = scrollTop;
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return this;
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} else {
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return memorizedScrollToScroll;
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}
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}
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return originalJQueryScrollTop.call( this, scrollTop );
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} );
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sandbox.stub( $, 'scrollTo', function ( scrollTo ) {
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var $element;
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if ( scrollTo !== undefined ) {
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memorizedScrollToScroll = scrollTo;
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}
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$element = originalJQueryScrollTo.call( this, scrollTo, 0 );
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if ( scrollTo !== undefined ) {
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// Trigger event manually
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scroller.scroll();
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}
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return $element;
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} );
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}
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QUnit.test( 'Metadata scrolling', 6, function ( assert ) {
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var $qf = $( '#qunit-fixture' ),
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$container = $( '<div>' ).css( 'height', 100 ).appendTo( $qf ),
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$aboveFold = $( '<div>' ).css( 'height', 50 ).appendTo( $container ),
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fakeLocalStorage = { getItem: $.noop, setItem: $.noop },
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scroller = new mw.mmv.ui.MetadataPanelScroller( $container, $aboveFold, fakeLocalStorage ),
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keydown = $.Event( 'keydown' );
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stubScrollFunctions( this.sandbox, scroller );
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this.sandbox.stub( fakeLocalStorage, 'setItem' );
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// First phase of the test: up and down arrows
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scroller.hasAnimatedMetadata = false;
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scroller.attach();
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assert.strictEqual( $.scrollTo().scrollTop(), 0, 'scrollTo scrollTop should be set to 0' );
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assert.ok( !fakeLocalStorage.setItem.called, 'The metadata hasn\'t been open yet, no entry in localStorage' );
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keydown.which = 38; // Up arrow
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scroller.keydown( keydown );
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this.clock.tick( scroller.toggleScrollDuration );
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assert.ok( fakeLocalStorage.setItem.calledWithExactly( 'mmv.hasOpenedMetadata', true ), 'localStorage knows that the metadata has been open' );
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keydown.which = 40; // Down arrow
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scroller.keydown( keydown );
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this.clock.tick( scroller.toggleScrollDuration );
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assert.strictEqual( $.scrollTo().scrollTop(), 0,
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'scrollTo scrollTop should be set to 0 after pressing down arrow' );
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// Unattach lightbox from document
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scroller.unattach();
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// Second phase of the test: scroll memory
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scroller.attach();
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// To make sure that the details are out of view, the lightbox is supposed to scroll to the top when open
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assert.strictEqual( $.scrollTo().scrollTop(), 0, 'Page scrollTop should be set to 0' );
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// Scroll down to check that the scrollTop memory doesn't affect prev/next (bug 59861)
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$.scrollTo( 20, 0 );
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this.clock.tick( 100 );
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// This extra attach() call simulates the effect of prev/next seen in bug 59861
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scroller.attach();
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// The lightbox was already open at this point, the scrollTop should be left untouched
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assert.strictEqual( $.scrollTo().scrollTop(), 20, 'Page scrollTop should be set to 20' );
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scroller.unattach();
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} );
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QUnit.test( 'Metadata scroll logging', 4, function ( assert ) {
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var $qf = $( '#qunit-fixture' ),
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$container = $( '<div>' ).css( 'height', 100 ).appendTo( $qf ),
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$aboveFold = $( '<div>' ).css( 'height', 50 ).appendTo( $container ),
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scroller = new mw.mmv.ui.MetadataPanelScroller( $container, $aboveFold ),
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keydown = $.Event( 'keydown' );
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stubScrollFunctions( this.sandbox, scroller );
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this.sandbox.stub( mw.mmv.actionLogger, 'log' );
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keydown.which = 38; // Up arrow
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scroller.keydown( keydown );
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this.clock.tick( scroller.toggleScrollDuration );
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assert.ok( mw.mmv.actionLogger.log.calledWithExactly( 'metadata-open' ), 'Opening keypress logged' );
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mw.mmv.actionLogger.log.reset();
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keydown.which = 38; // Up arrow
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scroller.keydown( keydown );
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this.clock.tick( scroller.toggleScrollDuration );
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assert.ok( mw.mmv.actionLogger.log.calledWithExactly( 'metadata-close' ), 'Closing keypress logged' );
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mw.mmv.actionLogger.log.reset();
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keydown.which = 40; // Down arrow
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scroller.keydown( keydown );
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this.clock.tick( scroller.toggleScrollDuration );
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assert.ok( mw.mmv.actionLogger.log.calledWithExactly( 'metadata-open' ), 'Opening keypress logged' );
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mw.mmv.actionLogger.log.reset();
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keydown.which = 40; // Down arrow
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scroller.keydown( keydown );
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this.clock.tick( scroller.toggleScrollDuration );
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assert.ok( mw.mmv.actionLogger.log.calledWithExactly( 'metadata-close' ), 'Closing keypress logged' );
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mw.mmv.actionLogger.log.reset();
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} );
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}( mediaWiki, jQuery ) );
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