wiki.techinc.nl/tests/phpunit/includes/resourceloader/ResourceLoaderOOUIImageModuleTest.php

<?php

use Psr\Container\ContainerInterface;
use Wikimedia\ObjectFactory\ObjectFactory;

/**
 * @group ResourceLoader
 */
class ResourceLoaderOOUIImageModuleTest extends ResourceLoaderTestCase {

	/**
	 * @covers ResourceLoaderOOUIImageModule::loadFromDefinition
	 */
	public function testNonDefaultSkin() {
		$module = new ResourceLoaderOOUIImageModule( [
			'class' => ResourceLoaderOOUIImageModule::class,
			'name' => 'icons',
			'rootPath' => 'tests/phpunit/data/resourceloader/oouiimagemodule',
		] );

		// Pretend that 'fakemonobook' is a real skin using the Apex theme
		$skinFactory = new SkinFactory(
			new ObjectFactory( $this->createMock( ContainerInterface::class ) ), []
		);
		$skinFactory->register(
			'fakemonobook',
			'FakeMonoBook',
			[]
		);
		$this->setService( 'SkinFactory', $skinFactory );

		$reset = ExtensionRegistry::getInstance()->setAttributeForTest(
			'SkinOOUIThemes', [ 'fakemonobook' => 'Apex' ]
		);

		$styles = $module->getStyles( $this->getResourceLoaderContext( [ 'skin' => 'fakemonobook' ] ) );
		$this->assertRegExp(
			'/stu-apex/',
			$styles['all'],
			'Generated styles use the non-default image (embed)'
		);
		$this->assertRegExp(
			'/fakemonobook/',
			$styles['all'],
			'Generated styles use the non-default image (link)'
		);

		$styles = $module->getStyles( $this->getResourceLoaderContext() );
		$this->assertRegExp(
			'/stu-wikimediaui/',
			$styles['all'],
			'Generated styles use the default image (embed)'
		);
		$this->assertRegExp(
			'/fallback/',
			$styles['all'],
			'Generated styles use the default skin (link)'
		);
	}

}