mediawiki.template.test.js
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mediawiki.template.test.js
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	( function () {

	QUnit.module( 'mediawiki.template', {
	beforeEach: function () {
	const abcCompiler = {
	compile: function () {
	return 'abc default compiler';
	}
	};

	// Register some template compiler languages
	mw.template.registerCompiler( 'abc', abcCompiler );
	mw.template.registerCompiler( 'xyz', {
	compile: function () {
	return 'xyz compiler';
	}
	} );

	// Stub register some templates
	this.sandbox.stub( mw.templates, 'get' ).returns( {
	'test_templates_foo.xyz': 'goodbye',
	'test_templates_foo.abc': 'thankyou'
	} );
	}
	} );

	QUnit.test( 'add', ( assert ) => {
	assert.throws(
	() => {
	mw.template.add( 'module', 'test_templates_foo', 'hello' );
	},
	'When no prefix throw exception'
	);
	} );

	QUnit.test( 'compile', ( assert ) => {
	assert.throws(
	() => {
	mw.template.compile( '{{foo}}', 'rainbow' );
	},
	'Unknown compiler names throw exceptions'
	);
	} );

	QUnit.test( 'get', ( assert ) => {
	assert.strictEqual( mw.template.get( 'test.mediawiki.template', 'test_templates_foo.xyz' ), 'xyz compiler' );
	assert.strictEqual( mw.template.get( 'test.mediawiki.template', 'test_templates_foo.abc' ), 'abc default compiler' );
	assert.throws(
	() => {
	mw.template.get( 'this.should.not.exist', 'hello' );
	},
	'When bad module name given throw error.'
	);

	assert.throws(
	() => {
	mw.template.get( 'mediawiki.template', 'hello' );
	},
	'The template hello should not exist in the mediawiki.templates module and should throw an exception.'
	);
	} );

	}() );