KernelTestBaseTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests;

use Drupal\Component\FileCache\FileCacheFactory;
use Drupal\Core\Database\Database;
use Drupal\Tests\StreamCapturer;
use Drupal\user\Entity\Role;
use org\bovigo\vfs\vfsStream;
use org\bovigo\vfs\visitor\vfsStreamStructureVisitor;
use Psr\Http\Client\ClientExceptionInterface;

/**
 * @coversDefaultClass \Drupal\KernelTests\KernelTestBase
 *
 * @group PHPUnit
 * @group Test
 * @group KernelTests
 * @group #slow
 */
class KernelTestBaseTest extends KernelTestBase {
    
    /**
     * @covers ::setUpBeforeClass
     */
    public function testSetUpBeforeClass() : void {
        // Note: PHPUnit automatically restores the original working directory.
        $this->assertSame(realpath(__DIR__ . '/../../../../'), getcwd());
    }
    
    /**
     * @covers ::bootEnvironment
     */
    public function testBootEnvironment() : void {
        $this->assertMatchesRegularExpression('/^test\\d{8}$/', $this->databasePrefix);
        $this->assertStringStartsWith('vfs://root/sites/simpletest/', $this->siteDirectory);
        $this->assertEquals([
            'root' => [
                'sites' => [
                    'simpletest' => [
                        substr($this->databasePrefix, 4) => [
                            'files' => [
                                'config' => [
                                    'sync' => [],
                                ],
                            ],
                        ],
                    ],
                ],
            ],
        ], vfsStream::inspect(new vfsStreamStructureVisitor())->getStructure());
    }
    
    /**
     * @covers ::getDatabaseConnectionInfo
     */
    public function testGetDatabaseConnectionInfoWithOutManualSetDbUrl() : void {
        $options = $this->container
            ->get('database')
            ->getConnectionOptions();
        $this->assertSame($this->databasePrefix, $options['prefix']);
    }
    
    /**
     * @covers ::setUp
     */
    public function testSetUp() : void {
        $this->assertTrue($this->container
            ->has('request_stack'));
        $this->assertTrue($this->container
            ->initialized('request_stack'));
        $request = $this->container
            ->get('request_stack')
            ->getCurrentRequest();
        $this->assertNotEmpty($request);
        $this->assertEquals('/', $request->getPathInfo());
        $this->assertSame($request, \Drupal::request());
        $this->assertEquals($this, $GLOBALS['conf']['container_service_providers']['test']);
        $database = $this->container
            ->get('database');
        $database->schema()
            ->createTable('foo', [
            'fields' => [
                'number' => [
                    'type' => 'int',
                    'unsigned' => TRUE,
                    'not null' => TRUE,
                ],
            ],
        ]);
        $this->assertTrue($database->schema()
            ->tableExists('foo'));
        $this->assertNotNull(FileCacheFactory::getPrefix());
    }
    
    /**
     * @covers ::setUp
     * @depends testSetUp
     */
    public function testSetUpDoesNotLeak() : void {
        // Ensure that we have a different database prefix.
        $schema = $this->container
            ->get('database')
            ->schema();
        $this->assertFalse($schema->tableExists('foo'));
    }
    
    /**
     * @covers ::register
     */
    public function testRegister() : void {
        // Verify that this container is identical to the actual container.
        $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\ContainerInterface', $this->container);
        $this->assertSame($this->container, \Drupal::getContainer());
        // The request service should never exist.
        $this->assertFalse($this->container
            ->has('request'));
        // Verify that there is a request stack.
        $request = $this->container
            ->get('request_stack')
            ->getCurrentRequest();
        $this->assertInstanceOf('Symfony\\Component\\HttpFoundation\\Request', $request);
        $this->assertSame($request, \Drupal::request());
        // Trigger a container rebuild.
        $this->enableModules([
            'system',
        ]);
        // Verify that this container is identical to the actual container.
        $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\ContainerInterface', $this->container);
        $this->assertSame($this->container, \Drupal::getContainer());
        // The request service should never exist.
        $this->assertFalse($this->container
            ->has('request'));
        // Verify that there is a request stack (and that it persisted).
        $new_request = $this->container
            ->get('request_stack')
            ->getCurrentRequest();
        $this->assertInstanceOf('Symfony\\Component\\HttpFoundation\\Request', $new_request);
        $this->assertSame($new_request, \Drupal::request());
        $this->assertSame($request, $new_request);
        // Ensure getting the router.route_provider does not trigger a deprecation
        // message that errors.
        $this->container
            ->get('router.route_provider');
    }
    
    /**
     * Tests whether the fixture allows us to install modules and configuration.
     *
     * @see ::testSubsequentContainerIsolation()
     */
    public function testContainerIsolation() : void {
        $this->enableModules([
            'system',
            'user',
        ]);
        $this->assertNull($this->installConfig('user'));
    }
    
    /**
     * Tests whether the fixture can re-install modules and configuration.
     *
     * @depends testContainerIsolation
     */
    public function testSubsequentContainerIsolation() : void {
        $this->enableModules([
            'system',
            'user',
        ]);
        $this->assertNull($this->installConfig('user'));
    }
    
    /**
     * Tests that an outbound HTTP request can be performed inside of a test.
     */
    public function testOutboundHttpRequest() : void {
        // The middleware test.http_client.middleware calls drupal_generate_test_ua
        // which checks the DRUPAL_TEST_IN_CHILD_SITE constant, that is not defined
        // in Kernel tests.
        try {
            
            /** @var \GuzzleHttp\Psr7\Response $response */
            $response = $this->container
                ->get('http_client')
                ->head('http://example.com');
            self::assertEquals(200, $response->getStatusCode());
        } catch (\Throwable $e) {
            // Ignore any HTTP errors, any other exception is considered an error.
            self::assertInstanceOf(ClientExceptionInterface::class, $e, sprintf('Asserting that a possible exception is thrown. Got "%s" with message: "%s".', get_class($e), $e->getMessage()));
        }
    }
    
    /**
     * @covers ::render
     */
    public function testRender() : void {
        $type = 'processed_text';
        $element_info = $this->container
            ->get('element_info');
        $this->assertSame([
            '#defaults_loaded' => TRUE,
        ], $element_info->getInfo($type));
        $this->enableModules([
            'filter',
        ]);
        $this->assertNotSame($element_info, $this->container
            ->get('element_info'));
        $this->assertNotEmpty($this->container
            ->get('element_info')
            ->getInfo($type));
        $build = [
            '#type' => 'html_tag',
            '#tag' => 'h3',
            '#value' => 'Inner',
        ];
        $expected = "<h3>Inner</h3>\n";
        $this->assertEquals('core', \Drupal::theme()->getActiveTheme()
            ->getName());
        $output = \Drupal::service('renderer')->renderRoot($build);
        $this->assertEquals('core', \Drupal::theme()->getActiveTheme()
            ->getName());
        $this->assertSame($expected, (string) $build['#markup']);
        $this->assertSame($expected, (string) $output);
    }
    
    /**
     * @covers ::render
     */
    public function testRenderWithTheme() : void {
        $this->enableModules([
            'system',
        ]);
        $build = [
            '#type' => 'textfield',
            '#name' => 'test',
        ];
        $expected = '/' . preg_quote('<input type="text" name="test"', '/') . '/';
        $this->assertArrayNotHasKey('theme', $GLOBALS);
        $output = \Drupal::service('renderer')->renderRoot($build);
        $this->assertEquals('core', \Drupal::theme()->getActiveTheme()
            ->getName());
        $this->assertMatchesRegularExpression($expected, (string) $build['#children']);
        $this->assertMatchesRegularExpression($expected, (string) $output);
    }
    
    /**
     * @covers ::bootKernel
     */
    public function testBootKernel() : void {
        $this->assertNull($this->container
            ->get('request_stack')
            ->getParentRequest(), 'There should only be one request on the stack');
        $this->assertEquals('public', \Drupal::config('system.file')->get('default_scheme'));
    }
    
    /**
     * Tests that a usable session is on the request.
     *
     * @covers ::bootKernel
     */
    public function testSessionOnRequest() : void {
        
        /** @var \Symfony\Component\HttpFoundation\Session\Session $session */
        $session = $this->container
            ->get('request_stack')
            ->getSession();
        $session->set('some-val', 'do-not-cleanup');
        $this->assertEquals('do-not-cleanup', $session->get('some-val'));
        $session->set('some-other-val', 'do-cleanup');
        $this->assertEquals('do-cleanup', $session->remove('some-other-val'));
    }
    
    /**
     * Tests the assumption that local time is in 'Australia/Sydney'.
     */
    public function testLocalTimeZone() : void {
        // The 'Australia/Sydney' time zone is set in core/tests/bootstrap.php
        $this->assertEquals('Australia/Sydney', date_default_timezone_get());
    }
    
    /**
     * {@inheritdoc}
     */
    protected function tearDown() : void {
        parent::tearDown();
        // Check that all tables of the test instance have been deleted. At this
        // point the original database connection is restored so we need to prefix
        // the tables.
        $connection = Database::getConnection();
        if ($connection->databaseType() === 'sqlite') {
            $result = $connection->query("SELECT name FROM " . $this->databasePrefix . ".sqlite_master WHERE type = :type AND name LIKE :table_name AND name NOT LIKE :pattern", [
                ':type' => 'table',
                ':table_name' => '%',
                ':pattern' => 'sqlite_%',
            ])
                ->fetchAllKeyed(0, 0);
            $this->assertEmpty($result, 'All test tables have been removed.');
        }
        else {
            $tables = $connection->schema()
                ->findTables($this->databasePrefix . '%');
            $this->assertEmpty($tables, 'All test tables have been removed.');
        }
    }
    
    /**
     * Ensures KernelTestBase tests can access modules in profiles.
     */
    public function testProfileModules() : void {
        $this->assertFileExists('core/profiles/demo_umami/modules/demo_umami_content/demo_umami_content.info.yml');
        $this->assertSame('core/profiles/demo_umami/modules/demo_umami_content/demo_umami_content.info.yml', \Drupal::service('extension.list.module')->getPathname('demo_umami_content'));
    }
    
    /**
     * Tests the dump() function provided by the var-dumper Symfony component.
     */
    public function testVarDump() : void {
        // Append the stream capturer to the STDERR stream, so that we can test the
        // dump() output and also prevent it from actually outputting in this
        // particular test.
        stream_filter_register("capture", StreamCapturer::class);
        stream_filter_append(STDERR, "capture");
        // Dump some variables.
        $this->enableModules([
            'system',
            'user',
        ]);
        $role = Role::create([
            'id' => 'test_role',
            'label' => 'Test role',
        ]);
        dump($role);
        dump($role->id());
        $this->assertStringContainsString('Drupal\\user\\Entity\\Role', StreamCapturer::$cache);
        $this->assertStringContainsString('test_role', StreamCapturer::$cache);
    }
    
    /**
     * @covers ::bootEnvironment
     */
    public function testDatabaseDriverModuleEnabled() : void {
        $module = Database::getConnection()->getProvider();
        // Test that the module that is providing the database driver is enabled.
        $this->assertSame(1, \Drupal::service('extension.list.module')->get($module)->status);
    }

}