RegistryLegacyTest.php

<?php

namespace Drupal\Tests\Core\Theme;

use Drupal\Core\Theme\ActiveTheme;
use Drupal\Core\Theme\Registry;
use Drupal\Tests\UnitTestCase;

/**
 * @coversDefaultClass \Drupal\Core\Theme\Registry
 * @group Theme
 * @group legacy
 *
 * @todo Remove in https://www.drupal.org/project/drupal/issues/3097889
 */
class RegistryLegacyTest extends UnitTestCase {
    
    /**
     * The mocked theme registry.
     *
     * @var \Drupal\Core\Theme\Registry|PHPUnit\Framework\MockObject\MockObject
     */
    protected $registry;
    
    /**
     * The mocked cache backend.
     *
     * @var \Drupal\Core\Cache\CacheBackendInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $cache;
    
    /**
     * The mocked lock backend.
     *
     * @var \Drupal\Core\Lock\LockBackendInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $lock;
    
    /**
     * The mocked module handler.
     *
     * @var \Drupal\Core\Extension\ModuleHandlerInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $moduleHandler;
    
    /**
     * The mocked theme handler.
     *
     * @var \Drupal\Core\Extension\ThemeHandlerInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $themeHandler;
    
    /**
     * The mocked theme initialization.
     *
     * @var \Drupal\Core\Theme\ThemeInitializationInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $themeInitialization;
    
    /**
     * The theme manager.
     *
     * @var \Drupal\Core\Theme\ThemeManagerInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $themeManager;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->cache = $this->createMock('Drupal\\Core\\Cache\\CacheBackendInterface');
        $this->lock = $this->createMock('Drupal\\Core\\Lock\\LockBackendInterface');
        $this->moduleHandler = $this->createMock('Drupal\\Core\\Extension\\ModuleHandlerInterface');
        $this->themeHandler = $this->createMock('Drupal\\Core\\Extension\\ThemeHandlerInterface');
        $this->themeInitialization = $this->createMock('Drupal\\Core\\Theme\\ThemeInitializationInterface');
        $this->themeManager = $this->createMock('Drupal\\Core\\Theme\\ThemeManagerInterface');
        $this->setupTheme();
    }
    
    /**
     * Tests getting legacy theme function registry data defined by a module.
     *
     * @expectedDeprecation Theme functions are deprecated in drupal:8.0.0 and are removed from drupal:10.0.0. Use Twig templates instead of theme_theme_test(). See https://www.drupal.org/node/1831138
     */
    public function testGetLegacyThemeFunctionRegistryForModule() {
        $test_theme = new ActiveTheme([
            'name' => 'test_legacy_theme',
            'path' => 'core/modules/system/tests/themes/test_legacy_theme/test_legacy_theme.info.yml',
            'engine' => 'twig',
            'owner' => 'twig',
            'stylesheets_remove' => [],
            'libraries_override' => [],
            'libraries_extend' => [],
            'libraries' => [],
            'extension' => '.twig',
            'base_theme_extensions' => [],
        ]);
        $this->themeManager
            ->expects($this->once())
            ->method('getActiveTheme')
            ->willReturn($test_theme);
        // Include the module and theme files so that hook_theme can be called.
        include_once $this->root . '/core/modules/system/tests/modules/theme_legacy_test/theme_legacy_test.module';
        $this->moduleHandler
            ->expects($this->once())
            ->method('getImplementations')
            ->with('theme')
            ->will($this->returnValue([
            'theme_legacy_test',
        ]));
        $this->moduleHandler
            ->expects($this->atLeastOnce())
            ->method('getModuleList')
            ->willReturn([]);
        $registry = $this->registry
            ->get();
        // Ensure that the registry entries from the module are found.
        $this->assertArrayHasKey('theme_test', $registry);
        $this->assertArrayHasKey('theme_test_function_suggestions', $registry);
        $this->assertArrayHasKey('theme_test_foo', $registry);
        $this->assertArrayHasKey('theme_test_render_element_children', $registry);
        $this->assertArrayHasKey('theme_test_function_template_override', $registry);
        $this->assertArrayNotHasKey('test_theme_not_existing_function', $registry);
        $info = $registry['theme_test_function_suggestions'];
        $this->assertEquals('module', $info['type']);
        $this->assertEquals('core/modules/system/tests/modules/theme_legacy_test', $info['theme path']);
        $this->assertEquals('theme_theme_test_function_suggestions', $info['function']);
        $this->assertEquals([], $info['variables']);
    }
    protected function setupTheme() {
        $this->registry = $this->getMockBuilder(Registry::class)
            ->setMethods([
            'getPath',
        ])
            ->setConstructorArgs([
            $this->root,
            $this->cache,
            $this->lock,
            $this->moduleHandler,
            $this->themeHandler,
            $this->themeInitialization,
        ])
            ->getMock();
        $this->registry
            ->expects($this->any())
            ->method('getPath')
            ->willReturnCallback(function ($module) {
            if ($module == 'theme_legacy_test') {
                return 'core/modules/system/tests/modules/theme_legacy_test';
            }
        });
        $this->registry
            ->setThemeManager($this->themeManager);
    }

}