tubestats-presentation/test/test-plugins.html

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