<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>reveal.js - Test Plugins</title>
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<link rel="stylesheet" href="../dist/reveal.css">
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<link rel="stylesheet" href="../node_modules/qunit/qunit/qunit.css">
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<script src="../node_modules/qunit/qunit/qunit.js"></script>
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</head>
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<body style="overflow: auto;">
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<div id="qunit"></div>
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<div id="qunit-fixture"></div>
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<div class="reveal" style="display: none;">
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<div class="slides">
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<section>Slide content</section>
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</div>
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</div>
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<script src="../dist/reveal.js"></script>
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<script>
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QUnit.config.testTimeout = 30000;
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QUnit.module( 'Plugins' );
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var initCounter = { PluginB: 0, PluginC: 0, PluginD: 0 };
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// Plugin with no init method
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var PluginA = { id: 'PluginA' };
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// Plugin with init method
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var PluginB = { id: 'PluginB', init: function() {
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initCounter['PluginB'] += 1;
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} };
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// Async plugin with init method
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var PluginC = { id: 'PluginC', init: function() {
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return new Promise(function( resolve ) {
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setTimeout( () => {
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initCounter['PluginC'] += 1;
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resolve();
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}, 1000 );
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});
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} };
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// Plugin initialized after reveal.js is ready
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var PluginD = { id: 'PluginD', init: function() {
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initCounter['PluginD'] += 1;
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} };
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var PluginE = { id: 'PluginE' };
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var reveal = new Reveal( document.querySelector( '.reveal' ), {
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plugins: [ PluginA ]
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} );
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reveal.registerPlugin( PluginB );
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reveal.registerPlugin( PluginC );
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reveal.initialize();
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QUnit.test( 'Can initialize synchronously', function( assert ) {
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assert.strictEqual( initCounter['PluginB'], 1 );
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reveal.registerPlugin( PluginB );
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assert.strictEqual( initCounter['PluginB'], 1, 'prevents duplicate registration' );
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});
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QUnit.test( 'Can initialize asynchronously', function( assert ) {
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assert.expect( 3 );
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var done = assert.async( 2 );
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assert.strictEqual( initCounter['PluginC'], 0, 'async plugin not immediately initialized' );
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reveal.on( 'ready', function() {
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assert.strictEqual( initCounter['PluginC'], 1, 'finsihed initializing when reveal.js dispatches "ready"' );
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done();
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reveal.registerPlugin( PluginD );
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assert.strictEqual( initCounter['PluginD'], 1, 'plugin registered after reveal.js is ready still initiailizes' );
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done();
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});
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} );
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QUnit.test( 'Can check if plugin is registered', function( assert ) {
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assert.strictEqual( reveal.hasPlugin( 'PluginA' ), true );
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assert.strictEqual( reveal.hasPlugin( 'PluginE' ), false );
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reveal.registerPlugin( PluginE );
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assert.strictEqual( reveal.hasPlugin( 'PluginE' ), true );
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} );
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QUnit.test( 'Can retrieve plugin instance', function( assert ) {
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assert.strictEqual( reveal.getPlugin( 'PluginB' ), PluginB );
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} );
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</script>
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</body>
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</html>
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