class ConfigCRUDTest in Drupal 8
Same name and namespace in other branches
- 9 core/tests/Drupal/KernelTests/Core/Config/ConfigCRUDTest.php \Drupal\KernelTests\Core\Config\ConfigCRUDTest
- 10 core/tests/Drupal/KernelTests/Core/Config/ConfigCRUDTest.php \Drupal\KernelTests\Core\Config\ConfigCRUDTest
Tests CRUD operations on configuration objects.
@group config
Hierarchy
- class \Drupal\KernelTests\KernelTestBase extends \PHPUnit\Framework\TestCase implements ServiceProviderInterface uses AssertContentTrait, AssertLegacyTrait, AssertHelperTrait, ConfigTestTrait, PhpunitCompatibilityTrait, RandomGeneratorTrait, TestRequirementsTrait- class \Drupal\KernelTests\Core\Config\ConfigCRUDTest
 
Expanded class hierarchy of ConfigCRUDTest
File
- core/tests/ Drupal/ KernelTests/ Core/ Config/ ConfigCRUDTest.php, line 20 
Namespace
Drupal\KernelTests\Core\ConfigView source
class ConfigCRUDTest extends KernelTestBase {
  /**
   * Exempt from strict schema checking.
   *
   * @see \Drupal\Core\Config\Development\ConfigSchemaChecker
   *
   * @var bool
   */
  protected $strictConfigSchema = FALSE;
  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = [
    'system',
  ];
  /**
   * Tests CRUD operations.
   */
  public function testCRUD() {
    $event_dispatcher = $this->container
      ->get('event_dispatcher');
    $typed_config_manager = $this->container
      ->get('config.typed');
    $storage = $this->container
      ->get('config.storage');
    $collection_storage = $storage
      ->createCollection('test_collection');
    $config_factory = $this->container
      ->get('config.factory');
    $name = 'config_test.crud';
    // Create a new configuration object in the default collection.
    $config = $this
      ->config($name);
    $this
      ->assertIdentical($config
      ->isNew(), TRUE);
    $config
      ->set('value', 'initial');
    $config
      ->save();
    $this
      ->assertIdentical($config
      ->isNew(), FALSE);
    // Verify the active configuration contains the saved value.
    $actual_data = $storage
      ->read($name);
    $this
      ->assertIdentical($actual_data, [
      'value' => 'initial',
    ]);
    // Verify the config factory contains the saved value.
    $actual_data = $config_factory
      ->get($name)
      ->getRawData();
    $this
      ->assertIdentical($actual_data, [
      'value' => 'initial',
    ]);
    // Create another instance of the config object using a custom collection.
    $collection_config = new Config($name, $collection_storage, $event_dispatcher, $typed_config_manager);
    $collection_config
      ->set('value', 'overridden');
    $collection_config
      ->save();
    // Verify that the config factory still returns the right value, from the
    // config instance in the default collection.
    $actual_data = $config_factory
      ->get($name)
      ->getRawData();
    $this
      ->assertIdentical($actual_data, [
      'value' => 'initial',
    ]);
    // Update the configuration object instance.
    $config
      ->set('value', 'instance-update');
    $config
      ->save();
    $this
      ->assertIdentical($config
      ->isNew(), FALSE);
    // Verify the active configuration contains the updated value.
    $actual_data = $storage
      ->read($name);
    $this
      ->assertIdentical($actual_data, [
      'value' => 'instance-update',
    ]);
    // Verify a call to $this->config() immediately returns the updated value.
    $new_config = $this
      ->config($name);
    $this
      ->assertIdentical($new_config
      ->get(), $config
      ->get());
    $this
      ->assertIdentical($config
      ->isNew(), FALSE);
    // Pollute the config factory static cache.
    $config_factory
      ->getEditable($name);
    // Delete the config object that uses a custom collection. This should not
    // affect the instance returned by the config factory which depends on the
    // default collection storage.
    $collection_config
      ->delete();
    $actual_config = $config_factory
      ->get($name);
    $this
      ->assertIdentical($actual_config
      ->isNew(), FALSE);
    $this
      ->assertIdentical($actual_config
      ->getRawData(), [
      'value' => 'instance-update',
    ]);
    // Delete the configuration object.
    $config
      ->delete();
    // Verify the configuration object is empty.
    $this
      ->assertIdentical($config
      ->get(), []);
    $this
      ->assertIdentical($config
      ->isNew(), TRUE);
    // Verify that all copies of the configuration has been removed from the
    // static cache.
    $this
      ->assertIdentical($config_factory
      ->getEditable($name)
      ->isNew(), TRUE);
    // Verify the active configuration contains no value.
    $actual_data = $storage
      ->read($name);
    $this
      ->assertIdentical($actual_data, FALSE);
    // Verify $this->config() returns no data.
    $new_config = $this
      ->config($name);
    $this
      ->assertIdentical($new_config
      ->get(), $config
      ->get());
    $this
      ->assertIdentical($config
      ->isNew(), TRUE);
    // Re-create the configuration object.
    $config
      ->set('value', 're-created');
    $config
      ->save();
    $this
      ->assertIdentical($config
      ->isNew(), FALSE);
    // Verify the active configuration contains the updated value.
    $actual_data = $storage
      ->read($name);
    $this
      ->assertIdentical($actual_data, [
      'value' => 're-created',
    ]);
    // Verify a call to $this->config() immediately returns the updated value.
    $new_config = $this
      ->config($name);
    $this
      ->assertIdentical($new_config
      ->get(), $config
      ->get());
    $this
      ->assertIdentical($config
      ->isNew(), FALSE);
    // Rename the configuration object.
    $new_name = 'config_test.crud_rename';
    $this->container
      ->get('config.factory')
      ->rename($name, $new_name);
    $renamed_config = $this
      ->config($new_name);
    $this
      ->assertIdentical($renamed_config
      ->get(), $config
      ->get());
    $this
      ->assertIdentical($renamed_config
      ->isNew(), FALSE);
    // Ensure that the old configuration object is removed from both the cache
    // and the configuration storage.
    $config = $this
      ->config($name);
    $this
      ->assertIdentical($config
      ->get(), []);
    $this
      ->assertIdentical($config
      ->isNew(), TRUE);
    // Test renaming when config.factory does not have the object in its static
    // cache.
    $name = 'config_test.crud_rename';
    // Pollute the non-overrides static cache.
    $config_factory
      ->getEditable($name);
    // Pollute the overrides static cache.
    $config = $config_factory
      ->get($name);
    // Rename and ensure that happened properly.
    $new_name = 'config_test.crud_rename_no_cache';
    $config_factory
      ->rename($name, $new_name);
    $renamed_config = $config_factory
      ->get($new_name);
    $this
      ->assertIdentical($renamed_config
      ->get(), $config
      ->get());
    $this
      ->assertIdentical($renamed_config
      ->isNew(), FALSE);
    // Ensure the overrides static cache has been cleared.
    $this
      ->assertIdentical($config_factory
      ->get($name)
      ->isNew(), TRUE);
    // Ensure the non-overrides static cache has been cleared.
    $this
      ->assertIdentical($config_factory
      ->getEditable($name)
      ->isNew(), TRUE);
    // Merge data into the configuration object.
    $new_config = $this
      ->config($new_name);
    $expected_values = [
      'value' => 'herp',
      '404' => 'derp',
    ];
    $new_config
      ->merge($expected_values);
    $new_config
      ->save();
    $this
      ->assertIdentical($new_config
      ->get('value'), $expected_values['value']);
    $this
      ->assertIdentical($new_config
      ->get('404'), $expected_values['404']);
    // Test that getMultiple() does not return new config objects that were
    // previously accessed with get()
    $new_config = $config_factory
      ->get('non_existing_key');
    $this
      ->assertTrue($new_config
      ->isNew());
    $this
      ->assertCount(0, $config_factory
      ->loadMultiple([
      'non_existing_key',
    ]), 'loadMultiple() does not return new objects');
  }
  /**
   * Tests the validation of configuration object names.
   */
  public function testNameValidation() {
    // Verify that an object name without namespace causes an exception.
    $name = 'nonamespace';
    try {
      $this
        ->config($name)
        ->save();
      $this
        ->fail('Expected ConfigNameException was thrown for a name without a namespace.');
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(ConfigNameException::class, $e);
    }
    // Verify that a name longer than the maximum length causes an exception.
    $name = 'config_test.herman_melville.moby_dick_or_the_whale.harper_1851.now_small_fowls_flew_screaming_over_the_yet_yawning_gulf_a_sullen_white_surf_beat_against_its_steep_sides_then_all_collapsed_and_the_great_shroud_of_the_sea_rolled_on_as_it_rolled_five_thousand_years_ago';
    try {
      $this
        ->config($name)
        ->save();
      $this
        ->fail('Expected ConfigNameException was thrown for a name longer than Config::MAX_NAME_LENGTH.');
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(ConfigNameException::class, $e);
    }
    // Verify that disallowed characters in the name cause an exception.
    $characters = $test_characters = [
      ':',
      '?',
      '*',
      '<',
      '>',
      '"',
      '\'',
      '/',
      '\\',
    ];
    foreach ($test_characters as $i => $c) {
      try {
        $name = 'namespace.object' . $c;
        $config = $this
          ->config($name);
        $config
          ->save();
      } catch (ConfigNameException $e) {
        unset($test_characters[$i]);
      }
    }
    $this
      ->assertTrue(empty($test_characters), new FormattableMarkup('Expected ConfigNameException was thrown for all invalid name characters: @characters', [
      '@characters' => implode(' ', $characters),
    ]));
    // Verify that a valid config object name can be saved.
    $name = 'namespace.object';
    try {
      $config = $this
        ->config($name);
      $config
        ->save();
    } catch (ConfigNameException $e) {
      $this
        ->fail('ConfigNameException was not thrown for a valid object name.');
    }
  }
  /**
   * Tests the validation of configuration object values.
   */
  public function testValueValidation() {
    // Verify that setData() will catch dotted keys.
    try {
      $this
        ->config('namespace.object')
        ->setData([
        'key.value' => 12,
      ])
        ->save();
      $this
        ->fail('Expected ConfigValueException was thrown from setData() for value with dotted keys.');
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(ConfigValueException::class, $e);
    }
    // Verify that set() will catch dotted keys.
    try {
      $this
        ->config('namespace.object')
        ->set('foo', [
        'key.value' => 12,
      ])
        ->save();
      $this
        ->fail('Expected ConfigValueException was thrown from set() for value with dotted keys.');
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(ConfigValueException::class, $e);
    }
  }
  /**
   * Tests data type handling.
   */
  public function testDataTypes() {
    \Drupal::service('module_installer')
      ->install([
      'config_test',
    ]);
    $storage = new DatabaseStorage($this->container
      ->get('database'), 'config');
    $name = 'config_test.types';
    $config = $this
      ->config($name);
    $original_content = file_get_contents(drupal_get_path('module', 'config_test') . '/' . InstallStorage::CONFIG_INSTALL_DIRECTORY . "/{$name}.yml");
    $this
      ->verbose('<pre>' . $original_content . "\n" . var_export($storage
      ->read($name), TRUE));
    // Verify variable data types are intact.
    $data = [
      'array' => [],
      'boolean' => TRUE,
      'exp' => 1.2E+34,
      'float' => 3.14159,
      'float_as_integer' => (double) 1,
      'hex' => 0xc,
      'int' => 99,
      'octal' => 0775,
      'string' => 'string',
      'string_int' => '1',
    ];
    $data['_core']['default_config_hash'] = Crypt::hashBase64(serialize($data));
    $this
      ->assertIdentical($config
      ->get(), $data);
    // Re-set each key using Config::set().
    foreach ($data as $key => $value) {
      $config
        ->set($key, $value);
    }
    $config
      ->save();
    $this
      ->assertIdentical($config
      ->get(), $data);
    // Assert the data against the file storage.
    $this
      ->assertIdentical($storage
      ->read($name), $data);
    $this
      ->verbose('<pre>' . $name . var_export($storage
      ->read($name), TRUE));
    // Set data using config::setData().
    $config
      ->setData($data)
      ->save();
    $this
      ->assertIdentical($config
      ->get(), $data);
    $this
      ->assertIdentical($storage
      ->read($name), $data);
    // Test that schema type enforcement can be overridden by trusting the data.
    $this
      ->assertSame(99, $config
      ->get('int'));
    $config
      ->set('int', '99')
      ->save(TRUE);
    $this
      ->assertSame('99', $config
      ->get('int'));
    // Test that re-saving without testing the data enforces the schema type.
    $config
      ->save();
    $this
      ->assertSame($data, $config
      ->get());
    // Test that setting an unsupported type for a config object with a schema
    // fails.
    try {
      $config
        ->set('stream', fopen(__FILE__, 'r'))
        ->save();
      $this
        ->fail('No Exception thrown upon saving invalid data type.');
    } catch (UnsupportedDataTypeConfigException $e) {
      // Expected exception; just continue testing.
    }
    // Test that setting an unsupported type for a config object with no schema
    // also fails.
    $typed_config_manager = $this->container
      ->get('config.typed');
    $config_name = 'config_test.no_schema';
    $config = $this
      ->config($config_name);
    $this
      ->assertFalse($typed_config_manager
      ->hasConfigSchema($config_name));
    try {
      $config
        ->set('stream', fopen(__FILE__, 'r'))
        ->save();
      $this
        ->fail('No Exception thrown upon saving invalid data type.');
    } catch (UnsupportedDataTypeConfigException $e) {
      // Expected exception; just continue testing.
    }
  }
}Members
| Name   | Modifiers | Type | Description | Overrides | 
|---|---|---|---|---|
| AssertContentTrait:: | protected | property | The current raw content. | |
| AssertContentTrait:: | protected | property | The drupalSettings value from the current raw $content. | |
| AssertContentTrait:: | protected | property | The XML structure parsed from the current raw $content. | 1 | 
| AssertContentTrait:: | protected | property | The plain-text content of raw $content (text nodes). | |
| AssertContentTrait:: | protected | function | Passes if the raw text IS found escaped on the loaded page, fail otherwise. | |
| AssertContentTrait:: | protected | function | Asserts that a field exists with the given name or ID. | |
| AssertContentTrait:: | protected | function | Asserts that a field exists with the given ID and value. | |
| AssertContentTrait:: | protected | function | Asserts that a field exists with the given name and value. | |
| AssertContentTrait:: | protected | function | Asserts that a field exists in the current page by the given XPath. | |
| AssertContentTrait:: | protected | function | Asserts that a checkbox field in the current page is checked. | |
| AssertContentTrait:: | protected | function | Asserts that a field exists in the current page with a given Xpath result. | |
| AssertContentTrait:: | protected | function | Passes if a link with the specified label is found. | |
| AssertContentTrait:: | protected | function | Passes if a link containing a given href (part) is found. | |
| AssertContentTrait:: | protected | function | Asserts that each HTML ID is used for just a single element. | |
| AssertContentTrait:: | protected | function | Passes if the raw text IS NOT found escaped on the loaded page, fail otherwise. | |
| AssertContentTrait:: | protected | function | Asserts that a field does not exist with the given name or ID. | |
| AssertContentTrait:: | protected | function | Asserts that a field does not exist with the given ID and value. | |
| AssertContentTrait:: | protected | function | Asserts that a field does not exist with the given name and value. | |
| AssertContentTrait:: | protected | function | Asserts that a field does not exist or its value does not match, by XPath. | |
| AssertContentTrait:: | protected | function | Asserts that a checkbox field in the current page is not checked. | |
| AssertContentTrait:: | protected | function | Passes if a link with the specified label is not found. | |
| AssertContentTrait:: | protected | function | Passes if a link containing a given href (part) is not found. | |
| AssertContentTrait:: | protected | function | Passes if a link containing a given href is not found in the main region. | |
| AssertContentTrait:: | protected | function | Asserts that a select option in the current page does not exist. | |
| AssertContentTrait:: | protected | function | Asserts that a select option in the current page is not checked. | |
| AssertContentTrait:: | protected | function | Triggers a pass if the perl regex pattern is not found in raw content. | |
| AssertContentTrait:: | protected | function | Passes if the raw text is NOT found on the loaded page, fail otherwise. | |
| AssertContentTrait:: | protected | function | Passes if the page (with HTML stripped) does not contains the text. | |
| AssertContentTrait:: | protected | function | Pass if the page title is not the given string. | |
| AssertContentTrait:: | protected | function | Passes if the text is found MORE THAN ONCE on the text version of the page. | |
| AssertContentTrait:: | protected | function | Asserts that a select option in the current page exists. | |
| AssertContentTrait:: | protected | function | Asserts that a select option with the visible text exists. | |
| AssertContentTrait:: | protected | function | Asserts that a select option in the current page is checked. | |
| AssertContentTrait:: | protected | function | Asserts that a select option in the current page is checked. | |
| AssertContentTrait:: | protected | function | Asserts that a select option in the current page exists. | |
| AssertContentTrait:: | protected | function | Triggers a pass if the Perl regex pattern is found in the raw content. | |
| AssertContentTrait:: | protected | function | Passes if the raw text IS found on the loaded page, fail otherwise. | |
| AssertContentTrait:: | protected | function | Passes if the page (with HTML stripped) contains the text. | |
| AssertContentTrait:: | protected | function | Helper for assertText and assertNoText. | |
| AssertContentTrait:: | protected | function | Asserts that a Perl regex pattern is found in the plain-text content. | |
| AssertContentTrait:: | protected | function | Asserts themed output. | |
| AssertContentTrait:: | protected | function | Pass if the page title is the given string. | |
| AssertContentTrait:: | protected | function | Passes if the text is found ONLY ONCE on the text version of the page. | |
| AssertContentTrait:: | protected | function | Helper for assertUniqueText and assertNoUniqueText. | |
| AssertContentTrait:: | protected | function | Builds an XPath query. | |
| AssertContentTrait:: | protected | function | Helper: Constructs an XPath for the given set of attributes and value. | |
| AssertContentTrait:: | protected | function | Searches elements using a CSS selector in the raw content. | |
| AssertContentTrait:: | protected | function | Get all option elements, including nested options, in a select. | |
| AssertContentTrait:: | protected | function | Gets the value of drupalSettings for the currently-loaded page. | |
| AssertContentTrait:: | protected | function | Gets the current raw content. | |
| AssertContentTrait:: | protected | function | Get the selected value from a select field. | |
| AssertContentTrait:: | protected | function | Retrieves the plain-text content from the current raw content. | |
| AssertContentTrait:: | protected | function | Get the current URL from the cURL handler. | 1 | 
| AssertContentTrait:: | protected | function | Parse content returned from curlExec using DOM and SimpleXML. | |
| AssertContentTrait:: | protected | function | Removes all white-space between HTML tags from the raw content. | |
| AssertContentTrait:: | protected | function | Sets the value of drupalSettings for the currently-loaded page. | |
| AssertContentTrait:: | protected | function | Sets the raw content (e.g. HTML). | |
| AssertContentTrait:: | protected | function | Performs an xpath search on the contents of the internal browser. | |
| AssertHelperTrait:: | protected static | function | Casts MarkupInterface objects into strings. | |
| AssertLegacyTrait:: | protected | function | Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertTrue() instead. | |
| AssertLegacyTrait:: | protected | function | Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertEquals() instead. | |
| AssertLegacyTrait:: | protected | function | Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertSame() instead. | |
| AssertLegacyTrait:: | protected | function | Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertEquals() instead. | |
| AssertLegacyTrait:: | protected | function | Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotEquals() instead. | |
| AssertLegacyTrait:: | protected | function | Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotSame() instead. | |
| AssertLegacyTrait:: | protected | function | Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertTrue() instead. | |
| AssertLegacyTrait:: | protected | function | ||
| ConfigCRUDTest:: | public static | property | Modules to enable. Overrides KernelTestBase:: | |
| ConfigCRUDTest:: | protected | property | Exempt from strict schema checking. Overrides KernelTestBase:: | |
| ConfigCRUDTest:: | public | function | Tests CRUD operations. | |
| ConfigCRUDTest:: | public | function | Tests data type handling. | |
| ConfigCRUDTest:: | public | function | Tests the validation of configuration object names. | |
| ConfigCRUDTest:: | public | function | Tests the validation of configuration object values. | |
| ConfigTestTrait:: | protected | function | Returns a ConfigImporter object to import test configuration. | |
| ConfigTestTrait:: | protected | function | Copies configuration objects from source storage to target storage. | |
| KernelTestBase:: | protected | property | Back up and restore any global variables that may be changed by tests. | |
| KernelTestBase:: | protected | property | Back up and restore static class properties that may be changed by tests. | |
| KernelTestBase:: | protected | property | Contains a few static class properties for performance. | |
| KernelTestBase:: | protected | property | ||
| KernelTestBase:: | protected | property | @todo Move into Config test base class. | 7 | 
| KernelTestBase:: | protected static | property | An array of config object names that are excluded from schema checking. | |
| KernelTestBase:: | protected | property | ||
| KernelTestBase:: | protected | property | ||
| KernelTestBase:: | protected | property | Do not forward any global state from the parent process to the processes that run the actual tests. | |
| KernelTestBase:: | protected | property | The app root. | |
| KernelTestBase:: | 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:: | protected | property | ||
| KernelTestBase:: | protected | property | The virtual filesystem root directory. | |
| KernelTestBase:: | protected | function | 1 | |
| KernelTestBase:: | protected | function | Bootstraps a basic test environment. | |
| KernelTestBase:: | private | function | Bootstraps a kernel for a test. | |
| KernelTestBase:: | protected | function | Configuration accessor for tests. Returns non-overridden configuration. | |
| KernelTestBase:: | protected | function | Disables modules for this test. | |
| KernelTestBase:: | protected | function | Enables modules for this test. | |
| KernelTestBase:: | protected | function | Gets the config schema exclusions for this test. | |
| KernelTestBase:: | protected | function | Returns the Database connection info to be used for this test. | 1 | 
| KernelTestBase:: | public | function | ||
| KernelTestBase:: | private | function | Returns Extension objects for $modules to enable. | |
| KernelTestBase:: | private static | function | Returns the modules to enable for this test. | |
| KernelTestBase:: | protected | function | Initializes the FileCache component. | |
| KernelTestBase:: | protected | function | Installs default configuration for a given list of modules. | |
| KernelTestBase:: | protected | function | Installs the storage schema for a specific entity type. | |
| KernelTestBase:: | protected | function | Installs database tables from a module schema definition. | |
| KernelTestBase:: | protected | function | Returns whether the current test method is running in a separate process. | |
| KernelTestBase:: | protected | function | ||
| KernelTestBase:: | public | function | Registers test-specific services. Overrides ServiceProviderInterface:: | 26 | 
| KernelTestBase:: | protected | function | Renders a render array. | 1 | 
| KernelTestBase:: | protected | function | Sets the install profile and rebuilds the container to update it. | |
| KernelTestBase:: | protected | function | Sets an in-memory Settings variable. | |
| KernelTestBase:: | protected | function | 347 | |
| KernelTestBase:: | public static | function | 1 | |
| KernelTestBase:: | protected | function | Sets up the filesystem, so things like the file directory. | 2 | 
| KernelTestBase:: | protected | function | Stops test execution. | |
| KernelTestBase:: | protected | function | 6 | |
| KernelTestBase:: | public | function | @after | |
| KernelTestBase:: | protected | function | Dumps the current state of the virtual filesystem to STDOUT. | |
| KernelTestBase:: | public | function | BC: Automatically resolve former KernelTestBase class properties. | |
| KernelTestBase:: | public | function | Prevents serializing any properties. | |
| PhpunitCompatibilityTrait:: | public | function | Returns a mock object for the specified class using the available method. | |
| PhpunitCompatibilityTrait:: | public | function | Compatibility layer for PHPUnit 6 to support PHPUnit 4 code. | |
| RandomGeneratorTrait:: | protected | property | The random generator. | |
| RandomGeneratorTrait:: | protected | function | Gets the random generator for the utility methods. | |
| RandomGeneratorTrait:: | protected | function | Generates a unique random string containing letters and numbers. | 1 | 
| RandomGeneratorTrait:: | public | function | Generates a random PHP object. | |
| RandomGeneratorTrait:: | public | function | Generates a pseudo-random string of ASCII characters of codes 32 to 126. | |
| RandomGeneratorTrait:: | public | function | Callback for random string validation. | |
| StorageCopyTrait:: | protected static | function | Copy the configuration from one storage to another and remove stale items. | |
| TestRequirementsTrait:: | private | function | Checks missing module requirements. | |
| TestRequirementsTrait:: | protected | function | Check module requirements for the Drupal use case. | 1 | 
| TestRequirementsTrait:: | protected static | function | Returns the Drupal root directory. | 
