class ConfigImporterTest in Drupal 9

Same name and namespace in other branches

8 core/tests/Drupal/KernelTests/Core/Config/ConfigImporterTest.php \Drupal\KernelTests\Core\Config\ConfigImporterTest

Tests importing configuration from files into active configuration.

@group config

Hierarchy

class \Drupal\KernelTests\KernelTestBase extends \PHPUnit\Framework\TestCase implements ServiceProviderInterface uses \Symfony\Bridge\PhpUnit\ExpectDeprecationTrait, AssertContentTrait, AssertLegacyTrait, ConfigTestTrait, ExtensionListTestTrait, PhpUnitCompatibilityTrait, RandomGeneratorTrait, TestRequirementsTrait, PhpUnitWarnings
- class \Drupal\KernelTests\Core\Config\ConfigImporterTest

Expanded class hierarchy of ConfigImporterTest

File

core/tests/Drupal/KernelTests/Core/Config/ConfigImporterTest.php, line 17

Namespace

Drupal\KernelTests\Core\Config

View source

class ConfigImporterTest extends KernelTestBase {

  /**
   * The beginning of an import validation error.
   */
  const FAIL_MESSAGE = 'There were errors validating the config synchronization.';

  /**
   * Config Importer object used for testing.
   *
   * @var \Drupal\Core\Config\ConfigImporter
   */
  protected $configImporter;

  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'config_test',
    'system',
    'config_import_test',
  ];
  protected function setUp() : void {
    parent::setUp();
    $this
      ->installConfig([
      'system',
      'config_test',
    ]);

    // Installing config_test's default configuration pollutes the global
    // variable being used for recording hook invocations by this test already,
    // so it has to be cleared out manually.
    unset($GLOBALS['hook_config_test']);
    $this
      ->copyConfig($this->container
      ->get('config.storage'), $this->container
      ->get('config.storage.sync'));

    // Set up the ConfigImporter object for testing.
    $storage_comparer = new StorageComparer($this->container
      ->get('config.storage.sync'), $this->container
      ->get('config.storage'));
    $this->configImporter = new ConfigImporter($storage_comparer
      ->createChangelist(), $this->container
      ->get('event_dispatcher'), $this->container
      ->get('config.manager'), $this->container
      ->get('lock'), $this->container
      ->get('config.typed'), $this->container
      ->get('module_handler'), $this->container
      ->get('module_installer'), $this->container
      ->get('theme_handler'), $this->container
      ->get('string_translation'), $this->container
      ->get('extension.list.module'));
  }

  /**
   * Tests omission of module APIs for bare configuration operations.
   */
  public function testNoImport() {
    $dynamic_name = 'config_test.dynamic.dotted.default';

    // Verify the default configuration values exist.
    $config = $this
      ->config($dynamic_name);
    $this
      ->assertSame('dotted.default', $config
      ->get('id'));

    // Verify that a bare $this->config() does not involve module APIs.
    $this
      ->assertFalse(isset($GLOBALS['hook_config_test']));
  }

  /**
   * Tests that trying to import from an empty sync configuration directory
   * fails.
   */
  public function testEmptyImportFails() {
    $this
      ->expectException(ConfigImporterException::class);
    $this->container
      ->get('config.storage.sync')
      ->deleteAll();
    $this->configImporter
      ->reset()
      ->import();
  }

  /**
   * Tests verification of site UUID before importing configuration.
   */
  public function testSiteUuidValidate() {
    $sync = \Drupal::service('config.storage.sync');

    // Create updated configuration object.
    $config_data = $this
      ->config('system.site')
      ->get();

    // Generate a new site UUID.
    $config_data['uuid'] = \Drupal::service('uuid')
      ->generate();
    $sync
      ->write('system.site', $config_data);
    try {
      $this->configImporter
        ->reset()
        ->import();
      $this
        ->fail('ConfigImporterException not thrown, invalid import was not stopped due to mis-matching site UUID.');
    } catch (ConfigImporterException $e) {
      $actual_message = $e
        ->getMessage();
      $actual_error_log = $this->configImporter
        ->getErrors();
      $expected_error_log = [
        'Site UUID in source storage does not match the target storage.',
      ];
      $this
        ->assertEquals($expected_error_log, $actual_error_log);
      $expected = static::FAIL_MESSAGE . PHP_EOL . 'Site UUID in source storage does not match the target storage.';
      $this
        ->assertEquals($expected, $actual_message);
      foreach ($expected_error_log as $log_row) {
        $this
          ->assertMatchesRegularExpression("/{$log_row}/", $actual_message);
      }
    }
  }

  /**
   * Tests deletion of configuration during import.
   */
  public function testDeleted() {
    $dynamic_name = 'config_test.dynamic.dotted.default';
    $storage = $this->container
      ->get('config.storage');
    $sync = $this->container
      ->get('config.storage.sync');

    // Verify the default configuration values exist.
    $config = $this
      ->config($dynamic_name);
    $this
      ->assertSame('dotted.default', $config
      ->get('id'));

    // Delete the file from the sync directory.
    $sync
      ->delete($dynamic_name);

    // Import.
    $this->configImporter
      ->reset()
      ->import();

    // Verify the file has been removed.
    $this
      ->assertFalse($storage
      ->read($dynamic_name));
    $config = $this
      ->config($dynamic_name);
    $this
      ->assertNull($config
      ->get('id'));

    // Verify that appropriate module API hooks have been invoked.
    $this
      ->assertTrue(isset($GLOBALS['hook_config_test']['load']));
    $this
      ->assertFalse(isset($GLOBALS['hook_config_test']['presave']));
    $this
      ->assertFalse(isset($GLOBALS['hook_config_test']['insert']));
    $this
      ->assertFalse(isset($GLOBALS['hook_config_test']['update']));
    $this
      ->assertTrue(isset($GLOBALS['hook_config_test']['predelete']));
    $this
      ->assertTrue(isset($GLOBALS['hook_config_test']['delete']));
    $this
      ->assertFalse($this->configImporter
      ->hasUnprocessedConfigurationChanges());
    $logs = $this->configImporter
      ->getErrors();
    $this
      ->assertCount(0, $logs);
  }

  /**
   * Tests creation of configuration during import.
   */
  public function testNew() {
    $dynamic_name = 'config_test.dynamic.new';
    $storage = $this->container
      ->get('config.storage');
    $sync = $this->container
      ->get('config.storage.sync');

    // Verify the configuration to create does not exist yet.
    $this
      ->assertFalse($storage
      ->exists($dynamic_name), $dynamic_name . ' not found.');

    // Create new config entity.
    $original_dynamic_data = [
      'uuid' => '30df59bd-7b03-4cf7-bb35-d42fc49f0651',
      'langcode' => \Drupal::languageManager()
        ->getDefaultLanguage()
        ->getId(),
      'status' => TRUE,
      'dependencies' => [],
      'id' => 'new',
      'label' => 'New',
      'weight' => 0,
      'style' => '',
      'size' => '',
      'size_value' => '',
      'protected_property' => '',
    ];
    $sync
      ->write($dynamic_name, $original_dynamic_data);
    $this
      ->assertTrue($sync
      ->exists($dynamic_name), $dynamic_name . ' found.');

    // Import.
    $this->configImporter
      ->reset()
      ->import();

    // Verify the values appeared.
    $config = $this
      ->config($dynamic_name);
    $this
      ->assertSame($original_dynamic_data['label'], $config
      ->get('label'));

    // Verify that appropriate module API hooks have been invoked.
    $this
      ->assertFalse(isset($GLOBALS['hook_config_test']['load']));
    $this
      ->assertTrue(isset($GLOBALS['hook_config_test']['presave']));
    $this
      ->assertTrue(isset($GLOBALS['hook_config_test']['insert']));
    $this
      ->assertFalse(isset($GLOBALS['hook_config_test']['update']));
    $this
      ->assertFalse(isset($GLOBALS['hook_config_test']['predelete']));
    $this
      ->assertFalse(isset($GLOBALS['hook_config_test']['delete']));

    // Verify that hook_config_import_steps_alter() can add steps to
    // configuration synchronization.
    $this
      ->assertTrue(isset($GLOBALS['hook_config_test']['config_import_steps_alter']));

    // Verify that there is nothing more to import.
    $this
      ->assertFalse($this->configImporter
      ->hasUnprocessedConfigurationChanges());
    $logs = $this->configImporter
      ->getErrors();
    $this
      ->assertCount(0, $logs);
  }

  /**
   * Tests that secondary writes are overwritten.
   */
  public function testSecondaryWritePrimaryFirst() {
    $name_primary = 'config_test.dynamic.primary';
    $name_secondary = 'config_test.dynamic.secondary';
    $sync = $this->container
      ->get('config.storage.sync');
    $uuid = $this->container
      ->get('uuid');
    $values_primary = [
      'id' => 'primary',
      'label' => 'Primary',
      'weight' => 0,
      'uuid' => $uuid
        ->generate(),
    ];
    $sync
      ->write($name_primary, $values_primary);
    $values_secondary = [
      'id' => 'secondary',
      'label' => 'Secondary Sync',
      'weight' => 0,
      'uuid' => $uuid
        ->generate(),
      // Add a dependency on primary, to ensure that is synced first.
      'dependencies' => [
        'config' => [
          $name_primary,
        ],
      ],
    ];
    $sync
      ->write($name_secondary, $values_secondary);

    // Import.
    $this->configImporter
      ->reset()
      ->import();
    $entity_storage = \Drupal::entityTypeManager()
      ->getStorage('config_test');
    $primary = $entity_storage
      ->load('primary');
    $this
      ->assertEquals('primary', $primary
      ->id());
    $this
      ->assertEquals($values_primary['uuid'], $primary
      ->uuid());
    $this
      ->assertEquals($values_primary['label'], $primary
      ->label());
    $secondary = $entity_storage
      ->load('secondary');
    $this
      ->assertEquals('secondary', $secondary
      ->id());
    $this
      ->assertEquals($values_secondary['uuid'], $secondary
      ->uuid());
    $this
      ->assertEquals($values_secondary['label'], $secondary
      ->label());
    $logs = $this->configImporter
      ->getErrors();
    $this
      ->assertCount(1, $logs);
    $this
      ->assertEquals(new FormattableMarkup('Deleted and replaced configuration entity "@name"', [
      '@name' => $name_secondary,
    ]), $logs[0]);
  }

  /**
   * Tests that secondary writes are overwritten.
   */
  public function testSecondaryWriteSecondaryFirst() {
    $name_primary = 'config_test.dynamic.primary';
    $name_secondary = 'config_test.dynamic.secondary';
    $sync = $this->container
      ->get('config.storage.sync');
    $uuid = $this->container
      ->get('uuid');
    $values_primary = [
      'id' => 'primary',
      'label' => 'Primary',
      'weight' => 0,
      'uuid' => $uuid
        ->generate(),
      // Add a dependency on secondary, so that is synced first.
      'dependencies' => [
        'config' => [
          $name_secondary,
        ],
      ],
    ];
    $sync
      ->write($name_primary, $values_primary);
    $values_secondary = [
      'id' => 'secondary',
      'label' => 'Secondary Sync',
      'weight' => 0,
      'uuid' => $uuid
        ->generate(),
    ];
    $sync
      ->write($name_secondary, $values_secondary);

    // Import.
    $this->configImporter
      ->reset()
      ->import();
    $entity_storage = \Drupal::entityTypeManager()
      ->getStorage('config_test');
    $primary = $entity_storage
      ->load('primary');
    $this
      ->assertEquals('primary', $primary
      ->id());
    $this
      ->assertEquals($values_primary['uuid'], $primary
      ->uuid());
    $this
      ->assertEquals($values_primary['label'], $primary
      ->label());
    $secondary = $entity_storage
      ->load('secondary');
    $this
      ->assertEquals('secondary', $secondary
      ->id());
    $this
      ->assertEquals($values_secondary['uuid'], $secondary
      ->uuid());
    $this
      ->assertEquals($values_secondary['label'], $secondary
      ->label());
    $logs = $this->configImporter
      ->getErrors();
    $this
      ->assertCount(1, $logs);
    $this
      ->assertEquals(Html::escape("Unexpected error during import with operation create for {$name_primary}: 'config_test' entity with ID 'secondary' already exists."), $logs[0]);
  }

  /**
   * Tests that secondary updates for deleted files work as expected.
   */
  public function testSecondaryUpdateDeletedDeleterFirst() {
    $name_deleter = 'config_test.dynamic.deleter';
    $name_deletee = 'config_test.dynamic.deletee';
    $name_other = 'config_test.dynamic.other';
    $storage = $this->container
      ->get('config.storage');
    $sync = $this->container
      ->get('config.storage.sync');
    $uuid = $this->container
      ->get('uuid');
    $values_deleter = [
      'id' => 'deleter',
      'label' => 'Deleter',
      'weight' => 0,
      'uuid' => $uuid
        ->generate(),
    ];
    $storage
      ->write($name_deleter, $values_deleter);
    $values_deleter['label'] = 'Updated Deleter';
    $sync
      ->write($name_deleter, $values_deleter);
    $values_deletee = [
      'id' => 'deletee',
      'label' => 'Deletee',
      'weight' => 0,
      'uuid' => $uuid
        ->generate(),
      // Add a dependency on deleter, to make sure that is synced first.
      'dependencies' => [
        'config' => [
          $name_deleter,
        ],
      ],
    ];
    $storage
      ->write($name_deletee, $values_deletee);
    $values_deletee['label'] = 'Updated Deletee';
    $sync
      ->write($name_deletee, $values_deletee);

    // Ensure that import will continue after the error.
    $values_other = [
      'id' => 'other',
      'label' => 'Other',
      'weight' => 0,
      'uuid' => $uuid
        ->generate(),
      // Add a dependency on deleter, to make sure that is synced first. This
      // will also be synced after the deletee due to alphabetical ordering.
      'dependencies' => [
        'config' => [
          $name_deleter,
        ],
      ],
    ];
    $storage
      ->write($name_other, $values_other);
    $values_other['label'] = 'Updated other';
    $sync
      ->write($name_other, $values_other);

    // Check update changelist order.
    $updates = $this->configImporter
      ->reset()
      ->getStorageComparer()
      ->getChangelist('update');
    $expected = [
      $name_deleter,
      $name_deletee,
      $name_other,
    ];
    $this
      ->assertSame($expected, $updates);

    // Import.
    $this->configImporter
      ->import();
    $entity_storage = \Drupal::entityTypeManager()
      ->getStorage('config_test');
    $deleter = $entity_storage
      ->load('deleter');
    $this
      ->assertEquals('deleter', $deleter
      ->id());
    $this
      ->assertEquals($values_deleter['uuid'], $deleter
      ->uuid());
    $this
      ->assertEquals($values_deleter['label'], $deleter
      ->label());

    // The deletee was deleted in
    // \Drupal\config_test\Entity\ConfigTest::postSave().
    $this
      ->assertNull($entity_storage
      ->load('deletee'));
    $other = $entity_storage
      ->load('other');
    $this
      ->assertEquals('other', $other
      ->id());
    $this
      ->assertEquals($values_other['uuid'], $other
      ->uuid());
    $this
      ->assertEquals($values_other['label'], $other
      ->label());
    $logs = $this->configImporter
      ->getErrors();
    $this
      ->assertCount(1, $logs);
    $this
      ->assertEquals(new FormattableMarkup('Update target "@name" is missing.', [
      '@name' => $name_deletee,
    ]), $logs[0]);
  }

  /**
   * Tests that secondary updates for deleted files work as expected.
   *
   * This test is completely hypothetical since we only support full
   * configuration tree imports. Therefore, any configuration updates that cause
   * secondary deletes should be reflected already in the staged configuration.
   */
  public function testSecondaryUpdateDeletedDeleteeFirst() {
    $name_deleter = 'config_test.dynamic.deleter';
    $name_deletee = 'config_test.dynamic.deletee';
    $storage = $this->container
      ->get('config.storage');
    $sync = $this->container
      ->get('config.storage.sync');
    $uuid = $this->container
      ->get('uuid');
    $values_deleter = [
      'id' => 'deleter',
      'label' => 'Deleter',
      'weight' => 0,
      'uuid' => $uuid
        ->generate(),
      // Add a dependency on deletee, to make sure that is synced first.
      'dependencies' => [
        'config' => [
          $name_deletee,
        ],
      ],
    ];
    $storage
      ->write($name_deleter, $values_deleter);
    $values_deleter['label'] = 'Updated Deleter';
    $sync
      ->write($name_deleter, $values_deleter);
    $values_deletee = [
      'id' => 'deletee',
      'label' => 'Deletee',
      'weight' => 0,
      'uuid' => $uuid
        ->generate(),
    ];
    $storage
      ->write($name_deletee, $values_deletee);
    $values_deletee['label'] = 'Updated Deletee';
    $sync
      ->write($name_deletee, $values_deletee);

    // Import.
    $this->configImporter
      ->reset()
      ->import();
    $entity_storage = \Drupal::entityTypeManager()
      ->getStorage('config_test');

    // Both entities are deleted. ConfigTest::postSave() causes updates of the
    // deleter entity to delete the deletee entity. Since the deleter depends on
    // the deletee, removing the deletee causes the deleter to be removed.
    $this
      ->assertNull($entity_storage
      ->load('deleter'));
    $this
      ->assertNull($entity_storage
      ->load('deletee'));
    $logs = $this->configImporter
      ->getErrors();
    $this
      ->assertCount(0, $logs);
  }

  /**
   * Tests that secondary deletes for deleted files work as expected.
   */
  public function testSecondaryDeletedDeleteeSecond() {
    $name_deleter = 'config_test.dynamic.deleter';
    $name_deletee = 'config_test.dynamic.deletee';
    $storage = $this->container
      ->get('config.storage');
    $uuid = $this->container
      ->get('uuid');
    $values_deleter = [
      'id' => 'deleter',
      'label' => 'Deleter',
      'weight' => 0,
      'uuid' => $uuid
        ->generate(),
      // Add a dependency on deletee, to make sure this delete is synced first.
      'dependencies' => [
        'config' => [
          $name_deletee,
        ],
      ],
    ];
    $storage
      ->write($name_deleter, $values_deleter);
    $values_deletee = [
      'id' => 'deletee',
      'label' => 'Deletee',
      'weight' => 0,
      'uuid' => $uuid
        ->generate(),
    ];
    $storage
      ->write($name_deletee, $values_deletee);

    // Import.
    $this->configImporter
      ->reset()
      ->import();
    $entity_storage = \Drupal::entityTypeManager()
      ->getStorage('config_test');
    $this
      ->assertNull($entity_storage
      ->load('deleter'));
    $this
      ->assertNull($entity_storage
      ->load('deletee'));

    // The deletee entity does not exist as the delete worked and although the
    // delete occurred in \Drupal\config_test\Entity\ConfigTest::postDelete()
    // this does not matter.
    $logs = $this->configImporter
      ->getErrors();
    $this
      ->assertCount(0, $logs);
  }

  /**
   * Tests updating of configuration during import.
   */
  public function testUpdated() {
    $name = 'config_test.system';
    $dynamic_name = 'config_test.dynamic.dotted.default';
    $storage = $this->container
      ->get('config.storage');
    $sync = $this->container
      ->get('config.storage.sync');

    // Verify that the configuration objects to import exist.
    $this
      ->assertTrue($storage
      ->exists($name), $name . ' found.');
    $this
      ->assertTrue($storage
      ->exists($dynamic_name), $dynamic_name . ' found.');

    // Replace the file content of the existing configuration objects in the
    // sync directory.
    $original_name_data = [
      'foo' => 'beer',
    ];
    $sync
      ->write($name, $original_name_data);
    $original_dynamic_data = $storage
      ->read($dynamic_name);
    $original_dynamic_data['label'] = 'Updated';
    $sync
      ->write($dynamic_name, $original_dynamic_data);

    // Verify the active configuration still returns the default values.
    $config = $this
      ->config($name);
    $this
      ->assertSame('bar', $config
      ->get('foo'));
    $config = $this
      ->config($dynamic_name);
    $this
      ->assertSame('Default', $config
      ->get('label'));

    // Import.
    $this->configImporter
      ->reset()
      ->import();

    // Verify the values were updated.
    \Drupal::configFactory()
      ->reset($name);
    $config = $this
      ->config($name);
    $this
      ->assertSame('beer', $config
      ->get('foo'));
    $config = $this
      ->config($dynamic_name);
    $this
      ->assertSame('Updated', $config
      ->get('label'));

    // Verify that the original file content is still the same.
    $this
      ->assertSame($original_name_data, $sync
      ->read($name));
    $this
      ->assertSame($original_dynamic_data, $sync
      ->read($dynamic_name));

    // Verify that appropriate module API hooks have been invoked.
    $this
      ->assertTrue(isset($GLOBALS['hook_config_test']['load']));
    $this
      ->assertTrue(isset($GLOBALS['hook_config_test']['presave']));
    $this
      ->assertFalse(isset($GLOBALS['hook_config_test']['insert']));
    $this
      ->assertTrue(isset($GLOBALS['hook_config_test']['update']));
    $this
      ->assertFalse(isset($GLOBALS['hook_config_test']['predelete']));
    $this
      ->assertFalse(isset($GLOBALS['hook_config_test']['delete']));

    // Verify that there is nothing more to import.
    $this
      ->assertFalse($this->configImporter
      ->hasUnprocessedConfigurationChanges());
    $logs = $this->configImporter
      ->getErrors();
    $this
      ->assertCount(0, $logs);
  }

  /**
   * Tests the isInstallable method()
   */
  public function testIsInstallable() {
    $config_name = 'config_test.dynamic.isinstallable';
    $this
      ->assertFalse($this->container
      ->get('config.storage')
      ->exists($config_name));
    \Drupal::state()
      ->set('config_test.isinstallable', TRUE);
    $this
      ->installConfig([
      'config_test',
    ]);
    $this
      ->assertTrue($this->container
      ->get('config.storage')
      ->exists($config_name));
  }

  /**
   * Tests dependency validation during configuration import.
   *
   * @see \Drupal\Core\EventSubscriber\ConfigImportSubscriber
   * @see \Drupal\Core\Config\ConfigImporter::createExtensionChangelist()
   */
  public function testUnmetDependency() {
    $storage = $this->container
      ->get('config.storage');
    $sync = $this->container
      ->get('config.storage.sync');

    // Test an unknown configuration owner.
    $sync
      ->write('unknown.config', [
      'test' => 'test',
    ]);

    // Make a config entity have unmet dependencies.
    $config_entity_data = $sync
      ->read('config_test.dynamic.dotted.default');
    $config_entity_data['dependencies'] = [
      'module' => [
        'unknown',
      ],
    ];
    $sync
      ->write('config_test.dynamic.dotted.module', $config_entity_data);
    $config_entity_data['dependencies'] = [
      'theme' => [
        'unknown',
      ],
    ];
    $sync
      ->write('config_test.dynamic.dotted.theme', $config_entity_data);
    $config_entity_data['dependencies'] = [
      'config' => [
        'unknown',
      ],
    ];
    $sync
      ->write('config_test.dynamic.dotted.config', $config_entity_data);

    // Make an active config depend on something that is missing in sync.
    // The whole configuration needs to be consistent, not only the updated one.
    $config_entity_data['dependencies'] = [];
    $storage
      ->write('config_test.dynamic.dotted.deleted', $config_entity_data);
    $config_entity_data['dependencies'] = [
      'config' => [
        'config_test.dynamic.dotted.deleted',
      ],
    ];
    $storage
      ->write('config_test.dynamic.dotted.existing', $config_entity_data);
    $sync
      ->write('config_test.dynamic.dotted.existing', $config_entity_data);
    $extensions = $sync
      ->read('core.extension');

    // Add a module and a theme that do not exist.
    $extensions['module']['unknown_module'] = 0;
    $extensions['theme']['unknown_theme'] = 0;

    // Add a module and a theme that depend on uninstalled extensions.
    $extensions['module']['book'] = 0;
    $extensions['theme']['test_subtheme'] = 0;
    $sync
      ->write('core.extension', $extensions);
    try {
      $this->configImporter
        ->reset()
        ->import();
      $this
        ->fail('ConfigImporterException not thrown; an invalid import was not stopped due to missing dependencies.');
    } catch (ConfigImporterException $e) {
      $expected = [
        static::FAIL_MESSAGE,
        'Unable to install the <em class="placeholder">unknown_module</em> module since it does not exist.',
        'Unable to install the <em class="placeholder">Book</em> module since it requires the <em class="placeholder">Node, Text, Field, Filter, User</em> modules.',
        'Unable to install the <em class="placeholder">unknown_theme</em> theme since it does not exist.',
        'Unable to install the <em class="placeholder">Theme test subtheme</em> theme since it requires the <em class="placeholder">Theme test base theme</em> theme.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.config</em> depends on the <em class="placeholder">unknown</em> configuration that will not exist after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.existing</em> depends on the <em class="placeholder">config_test.dynamic.dotted.deleted</em> configuration that will not exist after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.module</em> depends on the <em class="placeholder">unknown</em> module that will not be installed after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.theme</em> depends on the <em class="placeholder">unknown</em> theme that will not be installed after import.',
        'Configuration <em class="placeholder">unknown.config</em> depends on the <em class="placeholder">unknown</em> extension that will not be installed after import.',
      ];
      $this
        ->assertEquals(implode(PHP_EOL, $expected), $e
        ->getMessage());
      $error_log = $this->configImporter
        ->getErrors();
      $expected = [
        'Unable to install the <em class="placeholder">unknown_module</em> module since it does not exist.',
        'Unable to install the <em class="placeholder">Book</em> module since it requires the <em class="placeholder">Node, Text, Field, Filter, User</em> modules.',
        'Unable to install the <em class="placeholder">unknown_theme</em> theme since it does not exist.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.config</em> depends on the <em class="placeholder">unknown</em> configuration that will not exist after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.existing</em> depends on the <em class="placeholder">config_test.dynamic.dotted.deleted</em> configuration that will not exist after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.module</em> depends on the <em class="placeholder">unknown</em> module that will not be installed after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.theme</em> depends on the <em class="placeholder">unknown</em> theme that will not be installed after import.',
        'Configuration <em class="placeholder">unknown.config</em> depends on the <em class="placeholder">unknown</em> extension that will not be installed after import.',
      ];
      foreach ($expected as $expected_message) {
        $this
          ->assertContainsEquals($expected_message, $error_log, $expected_message);
      }
    }

    // Make a config entity have multiple unmet dependencies.
    $config_entity_data = $sync
      ->read('config_test.dynamic.dotted.default');
    $config_entity_data['dependencies'] = [
      'module' => [
        'unknown',
        'dblog',
      ],
    ];
    $sync
      ->write('config_test.dynamic.dotted.module', $config_entity_data);
    $config_entity_data['dependencies'] = [
      'theme' => [
        'unknown',
        'seven',
      ],
    ];
    $sync
      ->write('config_test.dynamic.dotted.theme', $config_entity_data);
    $config_entity_data['dependencies'] = [
      'config' => [
        'unknown',
        'unknown2',
      ],
    ];
    $sync
      ->write('config_test.dynamic.dotted.config', $config_entity_data);
    try {
      $this->configImporter
        ->reset()
        ->import();
      $this
        ->fail('ConfigImporterException not thrown, invalid import was not stopped due to missing dependencies.');
    } catch (ConfigImporterException $e) {
      $expected = [
        static::FAIL_MESSAGE,
        'Unable to install the <em class="placeholder">unknown_module</em> module since it does not exist.',
        'Unable to install the <em class="placeholder">Book</em> module since it requires the <em class="placeholder">Node, Text, Field, Filter, User</em> modules.',
        'Unable to install the <em class="placeholder">unknown_theme</em> theme since it does not exist.',
        'Unable to install the <em class="placeholder">Theme test subtheme</em> theme since it requires the <em class="placeholder">Theme test base theme</em> theme.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.config</em> depends on the <em class="placeholder">unknown</em> configuration that will not exist after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.existing</em> depends on the <em class="placeholder">config_test.dynamic.dotted.deleted</em> configuration that will not exist after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.module</em> depends on the <em class="placeholder">unknown</em> module that will not be installed after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.theme</em> depends on the <em class="placeholder">unknown</em> theme that will not be installed after import.',
        'Configuration <em class="placeholder">unknown.config</em> depends on the <em class="placeholder">unknown</em> extension that will not be installed after import.',
        'Unable to install the <em class="placeholder">unknown_module</em> module since it does not exist.',
        'Unable to install the <em class="placeholder">Book</em> module since it requires the <em class="placeholder">Node, Text, Field, Filter, User</em> modules.',
        'Unable to install the <em class="placeholder">unknown_theme</em> theme since it does not exist.',
        'Unable to install the <em class="placeholder">Theme test subtheme</em> theme since it requires the <em class="placeholder">Theme test base theme</em> theme.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.config</em> depends on configuration (<em class="placeholder">unknown, unknown2</em>) that will not exist after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.existing</em> depends on the <em class="placeholder">config_test.dynamic.dotted.deleted</em> configuration that will not exist after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.module</em> depends on modules (<em class="placeholder">unknown, Database Logging</em>) that will not be installed after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.theme</em> depends on themes (<em class="placeholder">unknown, Seven</em>) that will not be installed after import.',
        'Configuration <em class="placeholder">unknown.config</em> depends on the <em class="placeholder">unknown</em> extension that will not be installed after import.',
      ];
      $this
        ->assertEquals(implode(PHP_EOL, $expected), $e
        ->getMessage());
      $error_log = $this->configImporter
        ->getErrors();
      $expected = [
        'Configuration <em class="placeholder">config_test.dynamic.dotted.config</em> depends on configuration (<em class="placeholder">unknown, unknown2</em>) that will not exist after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.module</em> depends on modules (<em class="placeholder">unknown, Database Logging</em>) that will not be installed after import.',
        'Configuration <em class="placeholder">config_test.dynamic.dotted.theme</em> depends on themes (<em class="placeholder">unknown, Seven</em>) that will not be installed after import.',
      ];
      foreach ($expected as $expected_message) {
        $this
          ->assertContainsEquals($expected_message, $error_log, $expected_message);
      }
    }
  }

  /**
   * Tests missing core.extension during configuration import.
   *
   * @see \Drupal\Core\EventSubscriber\ConfigImportSubscriber
   */
  public function testMissingCoreExtension() {
    $sync = $this->container
      ->get('config.storage.sync');
    $sync
      ->delete('core.extension');
    try {
      $this->configImporter
        ->reset()
        ->import();
      $this
        ->fail('ConfigImporterException not thrown, invalid import was not stopped due to missing dependencies.');
    } catch (ConfigImporterException $e) {
      $expected = static::FAIL_MESSAGE . PHP_EOL . 'The core.extension configuration does not exist.';
      $this
        ->assertEquals($expected, $e
        ->getMessage());
      $error_log = $this->configImporter
        ->getErrors();
      $this
        ->assertEquals([
        'The core.extension configuration does not exist.',
      ], $error_log);
    }
  }

  /**
   * Tests install profile validation during configuration import.
   *
   * @see \Drupal\Core\EventSubscriber\ConfigImportSubscriber
   */
  public function testInstallProfile() {
    $sync = $this->container
      ->get('config.storage.sync');
    $extensions = $sync
      ->read('core.extension');

    // Add an install profile.
    $extensions['module']['standard'] = 0;
    $sync
      ->write('core.extension', $extensions);
    try {
      $this->configImporter
        ->reset()
        ->import();
      $this
        ->fail('ConfigImporterException not thrown; an invalid import was not stopped due to missing dependencies.');
    } catch (ConfigImporterException $e) {
      $expected = static::FAIL_MESSAGE . PHP_EOL . 'Unable to install the <em class="placeholder">standard</em> module since it does not exist.';
      $this
        ->assertEquals($expected, $e
        ->getMessage(), 'There were errors validating the config synchronization.');
      $error_log = $this->configImporter
        ->getErrors();

      // Install profiles should not even be scanned at this point.
      $this
        ->assertEquals([
        'Unable to install the <em class="placeholder">standard</em> module since it does not exist.',
      ], $error_log);
    }
  }

  /**
   * Tests install profile validation during configuration import.
   *
   * @see \Drupal\Core\EventSubscriber\ConfigImportSubscriber
   */
  public function testInstallProfileMisMatch() {
    $sync = $this->container
      ->get('config.storage.sync');
    $extensions = $sync
      ->read('core.extension');

    // Change the install profile.
    $extensions['profile'] = 'this_will_not_work';
    $sync
      ->write('core.extension', $extensions);
    try {
      $this->configImporter
        ->reset()
        ->import();
      $this
        ->fail('ConfigImporterException not thrown; an invalid import was not stopped due to missing dependencies.');
    } catch (ConfigImporterException $e) {
      $expected = static::FAIL_MESSAGE . PHP_EOL . 'Cannot change the install profile from <em class="placeholder"></em> to <em class="placeholder">this_will_not_work</em> once Drupal is installed.';
      $this
        ->assertEquals($expected, $e
        ->getMessage(), 'There were errors validating the config synchronization.');
      $error_log = $this->configImporter
        ->getErrors();

      // Install profiles can not be changed. Note that KernelTestBase currently
      // does not use an install profile. This situation should be impossible
      // to get in but site's can removed the install profile setting from
      // settings.php so the test is valid.
      $this
        ->assertEquals([
        'Cannot change the install profile from <em class="placeholder"></em> to <em class="placeholder">this_will_not_work</em> once Drupal is installed.',
      ], $error_log);
    }
  }

  /**
   * Tests the isSyncing flags.
   */
  public function testIsSyncingInHooks() {
    $dynamic_name = 'config_test.dynamic.dotted.default';
    $storage = $this->container
      ->get('config.storage');

    // Verify the default configuration values exist.
    $config = $this
      ->config($dynamic_name);
    $this
      ->assertSame('dotted.default', $config
      ->get('id'));

    // Delete the config so that create hooks will fire.
    $storage
      ->delete($dynamic_name);
    \Drupal::state()
      ->set('config_test.store_isSyncing', []);
    $this->configImporter
      ->reset()
      ->import();

    // The values of the syncing values should be stored in state by
    // config_test_config_test_create().
    $state = \Drupal::state()
      ->get('config_test.store_isSyncing');
    $this
      ->assertTrue($state['global_state::create'], '\\Drupal::isConfigSyncing() returns TRUE');
    $this
      ->assertTrue($state['entity_state::create'], 'ConfigEntity::isSyncing() returns TRUE');
    $this
      ->assertTrue($state['global_state::presave'], '\\Drupal::isConfigSyncing() returns TRUE');
    $this
      ->assertTrue($state['entity_state::presave'], 'ConfigEntity::isSyncing() returns TRUE');
    $this
      ->assertTrue($state['global_state::insert'], '\\Drupal::isConfigSyncing() returns TRUE');
    $this
      ->assertTrue($state['entity_state::insert'], 'ConfigEntity::isSyncing() returns TRUE');

    // Cause a config update so update hooks will fire.
    $config = $this
      ->config($dynamic_name);
    $config
      ->set('label', 'A new name')
      ->save();
    \Drupal::state()
      ->set('config_test.store_isSyncing', []);
    $this->configImporter
      ->reset()
      ->import();

    // The values of the syncing values should be stored in state by
    // config_test_config_test_create().
    $state = \Drupal::state()
      ->get('config_test.store_isSyncing');
    $this
      ->assertTrue($state['global_state::presave'], '\\Drupal::isConfigSyncing() returns TRUE');
    $this
      ->assertTrue($state['entity_state::presave'], 'ConfigEntity::isSyncing() returns TRUE');
    $this
      ->assertTrue($state['global_state::update'], '\\Drupal::isConfigSyncing() returns TRUE');
    $this
      ->assertTrue($state['entity_state::update'], 'ConfigEntity::isSyncing() returns TRUE');

    // Cause a config delete so delete hooks will fire.
    $sync = $this->container
      ->get('config.storage.sync');
    $sync
      ->delete($dynamic_name);
    \Drupal::state()
      ->set('config_test.store_isSyncing', []);
    $this->configImporter
      ->reset()
      ->import();

    // The values of the syncing values should be stored in state by
    // config_test_config_test_create().
    $state = \Drupal::state()
      ->get('config_test.store_isSyncing');
    $this
      ->assertTrue($state['global_state::predelete'], '\\Drupal::isConfigSyncing() returns TRUE');
    $this
      ->assertTrue($state['entity_state::predelete'], 'ConfigEntity::isSyncing() returns TRUE');
    $this
      ->assertTrue($state['global_state::delete'], '\\Drupal::isConfigSyncing() returns TRUE');
    $this
      ->assertTrue($state['entity_state::delete'], 'ConfigEntity::isSyncing() returns TRUE');
  }

  /**
   * Tests that the isConfigSyncing flag is cleanup after an invalid step.
   */
  public function testInvalidStep() {
    $this
      ->assertFalse(\Drupal::isConfigSyncing(), 'Before an import \\Drupal::isConfigSyncing() returns FALSE');
    $context = [];
    try {
      $this->configImporter
        ->doSyncStep('a_non_existent_step', $context);
      $this
        ->fail('Expected \\InvalidArgumentException thrown');
    } catch (\InvalidArgumentException $e) {

      // Expected exception; just continue testing.
    }
    $this
      ->assertFalse(\Drupal::isConfigSyncing(), 'After an invalid step \\Drupal::isConfigSyncing() returns FALSE');
  }

  /**
   * Tests that the isConfigSyncing flag is set correctly during a custom step.
   */
  public function testCustomStep() {
    $this
      ->assertFalse(\Drupal::isConfigSyncing(), 'Before an import \\Drupal::isConfigSyncing() returns FALSE');
    $context = [];
    $this->configImporter
      ->doSyncStep([
      self::class,
      'customStep',
    ], $context);
    $this
      ->assertTrue($context['is_syncing'], 'Inside a custom step \\Drupal::isConfigSyncing() returns TRUE');
    $this
      ->assertFalse(\Drupal::isConfigSyncing(), 'After an valid custom step \\Drupal::isConfigSyncing() returns FALSE');
  }

  /**
   * Helper method to test custom config installer steps.
   *
   * @param array $context
   *   Batch context.
   * @param \Drupal\Core\Config\ConfigImporter $importer
   *   The config importer.
   */
  public static function customStep(array &$context, ConfigImporter $importer) {
    $context['is_syncing'] = \Drupal::isConfigSyncing();
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AssertContentTrait::$content	protected	property	The current raw content.
AssertContentTrait::$drupalSettings	protected	property	The drupalSettings value from the current raw $content.
AssertContentTrait::$elements	protected	property	The XML structure parsed from the current raw $content.	1
AssertContentTrait::$plainTextContent	protected	property	The plain-text content of raw $content (text nodes).
AssertContentTrait::assertEscaped	protected	function	Passes if the raw text IS found escaped on the loaded page, fail otherwise.
AssertContentTrait::assertField	protected	function	Asserts that a field exists with the given name or ID.
AssertContentTrait::assertFieldById	protected	function	Asserts that a field exists with the given ID and value.
AssertContentTrait::assertFieldByName	protected	function	Asserts that a field exists with the given name and value.
AssertContentTrait::assertFieldByXPath	protected	function	Asserts that a field exists in the current page by the given XPath.
AssertContentTrait::assertFieldChecked	protected	function	Asserts that a checkbox field in the current page is checked.
AssertContentTrait::assertFieldsByValue	protected	function	Asserts that a field exists in the current page with a given Xpath result.
AssertContentTrait::assertLink	protected	function	Passes if a link with the specified label is found.
AssertContentTrait::assertLinkByHref	protected	function	Passes if a link containing a given href (part) is found.
AssertContentTrait::assertNoDuplicateIds	protected	function	Asserts that each HTML ID is used for just a single element.
AssertContentTrait::assertNoEscaped	protected	function	Passes if the raw text IS NOT found escaped on the loaded page, fail otherwise.
AssertContentTrait::assertNoField	protected	function	Asserts that a field does not exist with the given name or ID.
AssertContentTrait::assertNoFieldById	protected	function	Asserts that a field does not exist with the given ID and value.
AssertContentTrait::assertNoFieldByName	protected	function	Asserts that a field does not exist with the given name and value.
AssertContentTrait::assertNoFieldByXPath	protected	function	Asserts that a field does not exist or its value does not match, by XPath.
AssertContentTrait::assertNoFieldChecked	protected	function	Asserts that a checkbox field in the current page is not checked.
AssertContentTrait::assertNoLink	protected	function	Passes if a link with the specified label is not found.
AssertContentTrait::assertNoLinkByHref	protected	function	Passes if a link containing a given href (part) is not found.
AssertContentTrait::assertNoLinkByHrefInMainRegion	protected	function	Passes if a link containing a given href is not found in the main region.
AssertContentTrait::assertNoOption	protected	function	Asserts that a select option in the current page does not exist.
AssertContentTrait::assertNoOptionSelected	protected	function	Asserts that a select option in the current page is not checked.
AssertContentTrait::assertNoPattern	protected	function	Triggers a pass if the perl regex pattern is not found in raw content.
AssertContentTrait::assertNoRaw	protected	function	Passes if the raw text is NOT found on the loaded page, fail otherwise.
AssertContentTrait::assertNoText	protected	function	Passes if the page (with HTML stripped) does not contains the text.
AssertContentTrait::assertNoTitle	protected	function	Pass if the page title is not the given string.
AssertContentTrait::assertNoUniqueText	protected	function	Passes if the text is found MORE THAN ONCE on the text version of the page.
AssertContentTrait::assertOption	protected	function	Asserts that a select option in the current page exists.
AssertContentTrait::assertOptionByText	protected	function	Asserts that a select option with the visible text exists.
AssertContentTrait::assertOptionSelected	protected	function	Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionSelectedWithDrupalSelector	protected	function	Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionWithDrupalSelector	protected	function	Asserts that a select option in the current page exists.
AssertContentTrait::assertPattern	protected	function	Triggers a pass if the Perl regex pattern is found in the raw content.
AssertContentTrait::assertRaw	protected	function	Passes if the raw text IS found on the loaded page, fail otherwise.
AssertContentTrait::assertText	protected	function	Passes if the page (with HTML stripped) contains the text.
AssertContentTrait::assertTextHelper	protected	function	Helper for assertText and assertNoText.
AssertContentTrait::assertTextPattern	protected	function	Asserts that a Perl regex pattern is found in the plain-text content.
AssertContentTrait::assertThemeOutput	protected	function	Asserts themed output.
AssertContentTrait::assertTitle	protected	function	Pass if the page title is the given string.
AssertContentTrait::assertUniqueText	protected	function	Passes if the text is found ONLY ONCE on the text version of the page.
AssertContentTrait::assertUniqueTextHelper	protected	function	Helper for assertUniqueText and assertNoUniqueText.
AssertContentTrait::buildXPathQuery	protected	function	Builds an XPath query.
AssertContentTrait::constructFieldXpath	protected	function	Helper: Constructs an XPath for the given set of attributes and value.
AssertContentTrait::cssSelect	protected	function	Searches elements using a CSS selector in the raw content.
AssertContentTrait::getAllOptions	protected	function	Get all option elements, including nested options, in a select.
AssertContentTrait::getDrupalSettings	protected	function	Gets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::getRawContent	protected	function	Gets the current raw content.
AssertContentTrait::getSelectedItem	protected	function	Get the selected value from a select field.
AssertContentTrait::getTextContent	protected	function	Retrieves the plain-text content from the current raw content.
AssertContentTrait::getUrl	protected	function	Get the current URL from the cURL handler.	1
AssertContentTrait::parse	protected	function	Parse content returned from curlExec using DOM and SimpleXML.
AssertContentTrait::removeWhiteSpace	protected	function	Removes all white-space between HTML tags from the raw content.
AssertContentTrait::setDrupalSettings	protected	function	Sets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::setRawContent	protected	function	Sets the raw content (e.g. HTML).
AssertContentTrait::xpath	protected	function	Performs an xpath search on the contents of the internal browser.
AssertLegacyTrait::assert Deprecated	protected	function
AssertLegacyTrait::assertEqual Deprecated	protected	function
AssertLegacyTrait::assertIdentical Deprecated	protected	function
AssertLegacyTrait::assertIdenticalObject Deprecated	protected	function
AssertLegacyTrait::assertNotEqual Deprecated	protected	function
AssertLegacyTrait::assertNotIdentical Deprecated	protected	function
AssertLegacyTrait::pass Deprecated	protected	function
AssertLegacyTrait::verbose Deprecated	protected	function
ConfigImporterTest::$configImporter	protected	property	Config Importer object used for testing. Overrides KernelTestBase::$configImporter
ConfigImporterTest::$modules	protected static	property	Modules to enable. Overrides KernelTestBase::$modules
ConfigImporterTest::customStep	public static	function	Helper method to test custom config installer steps.
ConfigImporterTest::FAIL_MESSAGE		constant	The beginning of an import validation error.
ConfigImporterTest::setUp	protected	function	Overrides KernelTestBase::setUp
ConfigImporterTest::testCustomStep	public	function	Tests that the isConfigSyncing flag is set correctly during a custom step.
ConfigImporterTest::testDeleted	public	function	Tests deletion of configuration during import.
ConfigImporterTest::testEmptyImportFails	public	function	Tests that trying to import from an empty sync configuration directory fails.
ConfigImporterTest::testInstallProfile	public	function	Tests install profile validation during configuration import.
ConfigImporterTest::testInstallProfileMisMatch	public	function	Tests install profile validation during configuration import.
ConfigImporterTest::testInvalidStep	public	function	Tests that the isConfigSyncing flag is cleanup after an invalid step.
ConfigImporterTest::testIsInstallable	public	function	Tests the isInstallable method()
ConfigImporterTest::testIsSyncingInHooks	public	function	Tests the isSyncing flags.
ConfigImporterTest::testMissingCoreExtension	public	function	Tests missing core.extension during configuration import.
ConfigImporterTest::testNew	public	function	Tests creation of configuration during import.
ConfigImporterTest::testNoImport	public	function	Tests omission of module APIs for bare configuration operations.
ConfigImporterTest::testSecondaryDeletedDeleteeSecond	public	function	Tests that secondary deletes for deleted files work as expected.
ConfigImporterTest::testSecondaryUpdateDeletedDeleteeFirst	public	function	Tests that secondary updates for deleted files work as expected.
ConfigImporterTest::testSecondaryUpdateDeletedDeleterFirst	public	function	Tests that secondary updates for deleted files work as expected.
ConfigImporterTest::testSecondaryWritePrimaryFirst	public	function	Tests that secondary writes are overwritten.
ConfigImporterTest::testSecondaryWriteSecondaryFirst	public	function	Tests that secondary writes are overwritten.
ConfigImporterTest::testSiteUuidValidate	public	function	Tests verification of site UUID before importing configuration.
ConfigImporterTest::testUnmetDependency	public	function	Tests dependency validation during configuration import.
ConfigImporterTest::testUpdated	public	function	Tests updating of configuration during import.
ConfigTestTrait::configImporter	protected	function	Returns a ConfigImporter object to import test configuration.
ConfigTestTrait::copyConfig	protected	function	Copies configuration objects from source storage to target storage.
ExtensionListTestTrait::getModulePath	protected	function	Gets the path for the specified module.
ExtensionListTestTrait::getThemePath	protected	function	Gets the path for the specified theme.
KernelTestBase::$backupGlobals	protected	property	Back up and restore any global variables that may be changed by tests.
KernelTestBase::$backupStaticAttributes	protected	property	Back up and restore static class properties that may be changed by tests.
KernelTestBase::$backupStaticAttributesBlacklist	protected	property	Contains a few static class properties for performance.
KernelTestBase::$classLoader	protected	property
KernelTestBase::$configSchemaCheckerExclusions	protected static	property	An array of config object names that are excluded from schema checking.
KernelTestBase::$container	protected	property
KernelTestBase::$databasePrefix	protected	property
KernelTestBase::$preserveGlobalState	protected	property	Do not forward any global state from the parent process to the processes that run the actual tests.
KernelTestBase::$root	protected	property	The app root.
KernelTestBase::$runTestInSeparateProcess	protected	property	Kernel tests are run in separate processes because they allow autoloading of code from extensions. Running the test in a separate process isolates this behavior from other tests. Subclasses should not override this property.
KernelTestBase::$siteDirectory	protected	property
KernelTestBase::$strictConfigSchema	protected	property	Set to TRUE to strict check all configuration saved.	6
KernelTestBase::$vfsRoot	protected	property	The virtual filesystem root directory.
KernelTestBase::assertPostConditions	protected	function		1
KernelTestBase::bootEnvironment	protected	function	Bootstraps a basic test environment.
KernelTestBase::bootKernel	private	function	Bootstraps a kernel for a test.
KernelTestBase::config	protected	function	Configuration accessor for tests. Returns non-overridden configuration.
KernelTestBase::disableModules	protected	function	Disables modules for this test.
KernelTestBase::enableModules	protected	function	Enables modules for this test.
KernelTestBase::getConfigSchemaExclusions	protected	function	Gets the config schema exclusions for this test.
KernelTestBase::getDatabaseConnectionInfo	protected	function	Returns the Database connection info to be used for this test.	3
KernelTestBase::getDatabasePrefix	public	function
KernelTestBase::getExtensionsForModules	private	function	Returns Extension objects for $modules to enable.
KernelTestBase::getModulesToEnable	private static	function	Returns the modules to enable for this test.
KernelTestBase::initFileCache	protected	function	Initializes the FileCache component.
KernelTestBase::installConfig	protected	function	Installs default configuration for a given list of modules.
KernelTestBase::installEntitySchema	protected	function	Installs the storage schema for a specific entity type.
KernelTestBase::installSchema	protected	function	Installs database tables from a module schema definition.
KernelTestBase::prepareTemplate	protected	function
KernelTestBase::register	public	function	Registers test-specific services. Overrides ServiceProviderInterface::register	24
KernelTestBase::render	protected	function	Renders a render array.	1
KernelTestBase::setInstallProfile	protected	function	Sets the install profile and rebuilds the container to update it.
KernelTestBase::setSetting	protected	function	Sets an in-memory Settings variable.
KernelTestBase::setUpBeforeClass	public static	function		1
KernelTestBase::setUpFilesystem	protected	function	Sets up the filesystem, so things like the file directory.	2
KernelTestBase::stop	protected	function	Stops test execution.
KernelTestBase::tearDown	protected	function		4
KernelTestBase::tearDownCloseDatabaseConnection	public	function	@after
KernelTestBase::vfsDump	protected	function	Dumps the current state of the virtual filesystem to STDOUT.
KernelTestBase::__sleep	public	function	Prevents serializing any properties.
PhpUnitWarnings::$deprecationWarnings	private static	property	Deprecation warnings from PHPUnit to raise with @trigger_error().
PhpUnitWarnings::addWarning	public	function	Converts PHPUnit deprecation warnings to E_USER_DEPRECATED.
RandomGeneratorTrait::$randomGenerator	protected	property	The random generator.
RandomGeneratorTrait::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName	protected	function	Generates a unique random string containing letters and numbers.	1
RandomGeneratorTrait::randomObject	public	function	Generates a random PHP object.
RandomGeneratorTrait::randomString	public	function	Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate	public	function	Callback for random string validation.
StorageCopyTrait::replaceStorageContents	protected static	function	Copy the configuration from one storage to another and remove stale items.
TestRequirementsTrait::checkModuleRequirements	private	function	Checks missing module requirements.
TestRequirementsTrait::checkRequirements	protected	function	Check module requirements for the Drupal use case.	1
TestRequirementsTrait::getDrupalRoot	protected static	function	Returns the Drupal root directory.

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class ConfigImporterTest in Drupal 9

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