class BlockViewBuilderTest in Drupal 9

Same name and namespace in other branches

8 core/modules/block/tests/src/Kernel/BlockViewBuilderTest.php \Drupal\Tests\block\Kernel\BlockViewBuilderTest

Tests the block view builder.

@group block

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\Tests\block\Kernel\BlockViewBuilderTest

Expanded class hierarchy of BlockViewBuilderTest

File

core/modules/block/tests/src/Kernel/BlockViewBuilderTest.php, line 16

Namespace

Drupal\Tests\block\Kernel

View source

class BlockViewBuilderTest extends KernelTestBase {

  /**
   * Modules to install.
   *
   * @var array
   */
  protected static $modules = [
    'block',
    'block_test',
    'system',
    'user',
  ];

  /**
   * The block being tested.
   *
   * @var \Drupal\block\Entity\BlockInterface
   */
  protected $block;

  /**
   * The block storage.
   *
   * @var \Drupal\Core\Config\Entity\ConfigEntityStorageInterface
   */
  protected $controller;

  /**
   * The renderer.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->controller = $this->container
      ->get('entity_type.manager')
      ->getStorage('block');
    \Drupal::state()
      ->set('block_test.content', 'Llamas &gt; unicorns!');

    // Create a block with only required values.
    $this->block = $this->controller
      ->create([
      'id' => 'test_block',
      'theme' => 'stark',
      'plugin' => 'test_cache',
    ]);
    $this->block
      ->save();
    $this->container
      ->get('cache.render')
      ->deleteAll();
    $this->renderer = $this->container
      ->get('renderer');
  }

  /**
   * Tests the rendering of blocks.
   */
  public function testBasicRendering() {
    \Drupal::state()
      ->set('block_test.content', '');
    $entity = $this->controller
      ->create([
      'id' => 'test_block1',
      'theme' => 'stark',
      'plugin' => 'test_html',
    ]);
    $entity
      ->save();

    // Test the rendering of a block.
    $entity = Block::load('test_block1');
    $builder = \Drupal::entityTypeManager()
      ->getViewBuilder('block');
    $output = $builder
      ->view($entity, 'block');
    $expected = [];
    $expected[] = '<div id="block-test-block1">';
    $expected[] = '  ';
    $expected[] = '    ';
    $expected[] = '      ';
    $expected[] = '  </div>';
    $expected[] = '';
    $expected_output = implode("\n", $expected);
    $this
      ->assertEquals($expected_output, $this->renderer
      ->renderRoot($output));

    // Reset the HTML IDs so that the next render is not affected.
    Html::resetSeenIds();

    // Test the rendering of a block with a given title.
    $entity = $this->controller
      ->create([
      'id' => 'test_block2',
      'theme' => 'stark',
      'plugin' => 'test_html',
      'settings' => [
        'label' => 'Powered by Bananas',
      ],
    ]);
    $entity
      ->save();
    $output = $builder
      ->view($entity, 'block');
    $expected = [];
    $expected[] = '<div id="block-test-block2">';
    $expected[] = '  ';
    $expected[] = '      <h2>Powered by Bananas</h2>';
    $expected[] = '    ';
    $expected[] = '      ';
    $expected[] = '  </div>';
    $expected[] = '';
    $expected_output = implode("\n", $expected);
    $this
      ->assertEquals($expected_output, $this->renderer
      ->renderRoot($output));
  }

  /**
   * Tests block render cache handling.
   */
  public function testBlockViewBuilderCache() {

    // Verify cache handling for a non-empty block.
    $this
      ->verifyRenderCacheHandling();

    // Create an empty block.
    $this->block = $this->controller
      ->create([
      'id' => 'test_block',
      'theme' => 'stark',
      'plugin' => 'test_cache',
    ]);
    $this->block
      ->save();
    \Drupal::state()
      ->set('block_test.content', NULL);

    // Verify cache handling for an empty block.
    $this
      ->verifyRenderCacheHandling();
  }

  /**
   * Verifies render cache handling of the block being tested.
   *
   * @see ::testBlockViewBuilderCache()
   */
  protected function verifyRenderCacheHandling() {

    // Force a request via GET so we can test the render cache.
    $request = \Drupal::request();
    $request_method = $request->server
      ->get('REQUEST_METHOD');
    $request
      ->setMethod('GET');

    // Test that a cache entry is created.
    $build = $this
      ->getBlockRenderArray();
    $cid = 'entity_view:block:test_block:' . implode(':', \Drupal::service('cache_contexts_manager')
      ->convertTokensToKeys([
      'languages:' . LanguageInterface::TYPE_INTERFACE,
      'theme',
      'user.permissions',
    ])
      ->getKeys());
    $this->renderer
      ->renderRoot($build);
    $this
      ->assertNotEmpty($this->container
      ->get('cache.render')
      ->get($cid), 'The block render element has been cached.');

    // Re-save the block and check that the cache entry has been deleted.
    $this->block
      ->save();
    $this
      ->assertFalse($this->container
      ->get('cache.render')
      ->get($cid), 'The block render cache entry has been cleared when the block was saved.');

    // Rebuild the render array (creating a new cache entry in the process) and
    // delete the block to check the cache entry is deleted.
    unset($build['#printed']);

    // Re-add the block because \Drupal\block\BlockViewBuilder::buildBlock()
    // removes it.
    $build['#block'] = $this->block;
    $this->renderer
      ->renderRoot($build);
    $this
      ->assertNotEmpty($this->container
      ->get('cache.render')
      ->get($cid), 'The block render element has been cached.');
    $this->block
      ->delete();
    $this
      ->assertFalse($this->container
      ->get('cache.render')
      ->get($cid), 'The block render cache entry has been cleared when the block was deleted.');

    // Restore the previous request method.
    $request
      ->setMethod($request_method);
  }

  /**
   * Tests block view altering.
   *
   * @see hook_block_view_alter()
   * @see hook_block_view_BASE_BLOCK_ID_alter()
   */
  public function testBlockViewBuilderViewAlter() {

    // Establish baseline.
    $build = $this
      ->getBlockRenderArray();
    $this
      ->setRawContent((string) $this->renderer
      ->renderRoot($build));
    $this
      ->assertSame('Llamas > unicorns!', trim((string) $this
      ->cssSelect('div')[0]));

    // Enable the block view alter hook that adds a foo=bar attribute.
    \Drupal::state()
      ->set('block_test_view_alter_suffix', TRUE);
    Cache::invalidateTags($this->block
      ->getCacheTagsToInvalidate());
    $build = $this
      ->getBlockRenderArray();
    $this
      ->setRawContent((string) $this->renderer
      ->renderRoot($build));
    $this
      ->assertSame('Llamas > unicorns!', trim((string) $this
      ->cssSelect('[foo=bar]')[0]));
    \Drupal::state()
      ->set('block_test_view_alter_suffix', FALSE);
    \Drupal::state()
      ->set('block_test.content', NULL);
    Cache::invalidateTags($this->block
      ->getCacheTagsToInvalidate());

    // Advanced: cached block, but an alter hook adds a #pre_render callback to
    // alter the eventual content.
    \Drupal::state()
      ->set('block_test_view_alter_append_pre_render_prefix', TRUE);
    $build = $this
      ->getBlockRenderArray();
    $this
      ->assertFalse(isset($build['#prefix']), 'The appended #pre_render callback has not yet run before rendering.');
    $this
      ->assertSame('Hiya!<br>', (string) $this->renderer
      ->renderRoot($build));

    // Check that a cached block without content is altered.
    $this
      ->assertArrayHasKey('#prefix', $build);
    $this
      ->assertSame('Hiya!<br>', $build['#prefix']);
  }

  /**
   * Tests block build altering.
   *
   * @see hook_block_build_alter()
   * @see hook_block_build_BASE_BLOCK_ID_alter()
   */
  public function testBlockViewBuilderBuildAlter() {

    // Force a request via GET so we can test the render cache.
    $request = \Drupal::request();
    $request_method = $request->server
      ->get('REQUEST_METHOD');
    $request
      ->setMethod('GET');
    $default_keys = [
      'entity_view',
      'block',
      'test_block',
    ];
    $default_contexts = [];
    $default_tags = [
      'block_view',
      'config:block.block.test_block',
    ];
    $default_max_age = Cache::PERMANENT;

    // hook_block_build_alter() adds an additional cache key.
    $alter_add_key = $this
      ->randomMachineName();
    \Drupal::state()
      ->set('block_test_block_alter_cache_key', $alter_add_key);
    $this
      ->assertBlockRenderedWithExpectedCacheability(array_merge($default_keys, [
      $alter_add_key,
    ]), $default_contexts, $default_tags, $default_max_age);
    \Drupal::state()
      ->set('block_test_block_alter_cache_key', NULL);

    // hook_block_build_alter() adds an additional cache context.
    $alter_add_context = 'url.query_args:' . $this
      ->randomMachineName();
    \Drupal::state()
      ->set('block_test_block_alter_cache_context', $alter_add_context);
    $this
      ->assertBlockRenderedWithExpectedCacheability($default_keys, Cache::mergeContexts($default_contexts, [
      $alter_add_context,
    ]), $default_tags, $default_max_age);
    \Drupal::state()
      ->set('block_test_block_alter_cache_context', NULL);

    // hook_block_build_alter() adds an additional cache tag.
    $alter_add_tag = $this
      ->randomMachineName();
    \Drupal::state()
      ->set('block_test_block_alter_cache_tag', $alter_add_tag);
    $this
      ->assertBlockRenderedWithExpectedCacheability($default_keys, $default_contexts, Cache::mergeTags($default_tags, [
      $alter_add_tag,
    ]), $default_max_age);
    \Drupal::state()
      ->set('block_test_block_alter_cache_tag', NULL);

    // hook_block_build_alter() alters the max-age.
    $alter_max_age = 300;
    \Drupal::state()
      ->set('block_test_block_alter_cache_max_age', $alter_max_age);
    $this
      ->assertBlockRenderedWithExpectedCacheability($default_keys, $default_contexts, $default_tags, $alter_max_age);
    \Drupal::state()
      ->set('block_test_block_alter_cache_max_age', NULL);

    // hook_block_build_alter() alters cache keys, contexts, tags and max-age.
    \Drupal::state()
      ->set('block_test_block_alter_cache_key', $alter_add_key);
    \Drupal::state()
      ->set('block_test_block_alter_cache_context', $alter_add_context);
    \Drupal::state()
      ->set('block_test_block_alter_cache_tag', $alter_add_tag);
    \Drupal::state()
      ->set('block_test_block_alter_cache_max_age', $alter_max_age);
    $this
      ->assertBlockRenderedWithExpectedCacheability(array_merge($default_keys, [
      $alter_add_key,
    ]), Cache::mergeContexts($default_contexts, [
      $alter_add_context,
    ]), Cache::mergeTags($default_tags, [
      $alter_add_tag,
    ]), $alter_max_age);
    \Drupal::state()
      ->set('block_test_block_alter_cache_key', NULL);
    \Drupal::state()
      ->set('block_test_block_alter_cache_context', NULL);
    \Drupal::state()
      ->set('block_test_block_alter_cache_tag', NULL);
    \Drupal::state()
      ->set('block_test_block_alter_cache_max_age', NULL);

    // hook_block_build_alter() sets #create_placeholder.
    foreach ([
      TRUE,
      FALSE,
    ] as $value) {
      \Drupal::state()
        ->set('block_test_block_alter_create_placeholder', $value);
      $build = $this
        ->getBlockRenderArray();
      $this
        ->assertTrue(isset($build['#create_placeholder']));
      $this
        ->assertSame($value, $build['#create_placeholder']);
    }
    \Drupal::state()
      ->set('block_test_block_alter_create_placeholder', NULL);

    // Restore the previous request method.
    $request
      ->setMethod($request_method);
  }

  /**
   * Asserts that a block is built/rendered/cached with expected cacheability.
   *
   * @param string[] $expected_keys
   *   The expected cache keys.
   * @param string[] $expected_contexts
   *   The expected cache contexts.
   * @param string[] $expected_tags
   *   The expected cache tags.
   * @param int $expected_max_age
   *   The expected max-age.
   */
  protected function assertBlockRenderedWithExpectedCacheability(array $expected_keys, array $expected_contexts, array $expected_tags, $expected_max_age) {
    $required_cache_contexts = [
      'languages:' . LanguageInterface::TYPE_INTERFACE,
      'theme',
      'user.permissions',
    ];

    // Check that the expected cacheability metadata is present in:
    // - the built render array;
    $build = $this
      ->getBlockRenderArray();
    $this
      ->assertSame($expected_keys, $build['#cache']['keys']);
    $this
      ->assertEqualsCanonicalizing($expected_contexts, $build['#cache']['contexts']);
    $this
      ->assertEqualsCanonicalizing($expected_tags, $build['#cache']['tags']);
    $this
      ->assertSame($expected_max_age, $build['#cache']['max-age']);
    $this
      ->assertFalse(isset($build['#create_placeholder']));

    // - the rendered render array;
    $this->renderer
      ->renderRoot($build);

    // - the render cache item.
    $final_cache_contexts = Cache::mergeContexts($expected_contexts, $required_cache_contexts);
    $cid = implode(':', $expected_keys) . ':' . implode(':', \Drupal::service('cache_contexts_manager')
      ->convertTokensToKeys($final_cache_contexts)
      ->getKeys());
    $cache_item = $this->container
      ->get('cache.render')
      ->get($cid);
    $this
      ->assertNotEmpty($cache_item, 'The block render element has been cached with the expected cache ID.');
    $this
      ->assertEqualsCanonicalizing(Cache::mergeTags($expected_tags, [
      'rendered',
    ]), $cache_item->tags);
    $this
      ->assertEqualsCanonicalizing($final_cache_contexts, $cache_item->data['#cache']['contexts']);
    $this
      ->assertEqualsCanonicalizing($expected_tags, $cache_item->data['#cache']['tags']);
    $this
      ->assertSame($expected_max_age, $cache_item->data['#cache']['max-age']);
    $this->container
      ->get('cache.render')
      ->delete($cid);
  }

  /**
   * Get a fully built render array for a block.
   *
   * @return array
   *   The render array.
   */
  protected function getBlockRenderArray() {
    return $this->container
      ->get('entity_type.manager')
      ->getViewBuilder('block')
      ->view($this->block, 'block');
  }

}

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
BlockViewBuilderTest::$block	protected	property	The block being tested.
BlockViewBuilderTest::$controller	protected	property	The block storage.
BlockViewBuilderTest::$modules	protected static	property	Modules to install. Overrides KernelTestBase::$modules
BlockViewBuilderTest::$renderer	protected	property	The renderer.
BlockViewBuilderTest::assertBlockRenderedWithExpectedCacheability	protected	function	Asserts that a block is built/rendered/cached with expected cacheability.
BlockViewBuilderTest::getBlockRenderArray	protected	function	Get a fully built render array for a block.
BlockViewBuilderTest::setUp	protected	function	Overrides KernelTestBase::setUp
BlockViewBuilderTest::testBasicRendering	public	function	Tests the rendering of blocks.
BlockViewBuilderTest::testBlockViewBuilderBuildAlter	public	function	Tests block build altering.
BlockViewBuilderTest::testBlockViewBuilderCache	public	function	Tests block render cache handling.
BlockViewBuilderTest::testBlockViewBuilderViewAlter	public	function	Tests block view altering.
BlockViewBuilderTest::verifyRenderCacheHandling	protected	function	Verifies render cache handling of the block being tested.
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::$configImporter	protected	property	@todo Move into Config test base class.	7
KernelTestBase::$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 BlockViewBuilderTest in Drupal 9

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