class DatabaseBackendTest in Drupal 9

Same name and namespace in other branches

8 core/tests/Drupal/KernelTests/Core/Cache/DatabaseBackendTest.php \Drupal\KernelTests\Core\Cache\DatabaseBackendTest

Unit test of the database backend using the generic cache unit test base.

@group Cache

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\Cache\GenericCacheBackendUnitTestBase
  - class \Drupal\KernelTests\Core\Cache\DatabaseBackendTest

Expanded class hierarchy of DatabaseBackendTest

File

core/tests/Drupal/KernelTests/Core/Cache/DatabaseBackendTest.php, line 12

Namespace

Drupal\KernelTests\Core\Cache

View source

class DatabaseBackendTest extends GenericCacheBackendUnitTestBase {

  /**
   * The max rows to use for test bins.
   *
   * @var int
   */
  protected static $maxRows = 100;

  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'system',
  ];

  /**
   * Creates a new instance of DatabaseBackend.
   *
   * @return
   *   A new DatabaseBackend object.
   */
  protected function createCacheBackend($bin) {
    return new DatabaseBackend($this->container
      ->get('database'), $this->container
      ->get('cache_tags.invalidator.checksum'), $bin, static::$maxRows);
  }

  /**
   * {@inheritdoc}
   */
  public function testSetGet() {
    parent::testSetGet();
    $backend = $this
      ->getCacheBackend();

    // Set up a cache ID that is not ASCII and longer than 255 characters so we
    // can test cache ID normalization.
    $cid_long = str_repeat('愛€', 500);
    $cached_value_long = $this
      ->randomMachineName();
    $backend
      ->set($cid_long, $cached_value_long);
    $this
      ->assertSame($cached_value_long, $backend
      ->get($cid_long)->data, "Backend contains the correct value for long, non-ASCII cache id.");
    $cid_short = '愛1€';
    $cached_value_short = $this
      ->randomMachineName();
    $backend
      ->set($cid_short, $cached_value_short);
    $this
      ->assertSame($cached_value_short, $backend
      ->get($cid_short)->data, "Backend contains the correct value for short, non-ASCII cache id.");
  }

  /**
   * Tests the row count limiting of cache bin database tables.
   */
  public function testGarbageCollection() {
    $backend = $this
      ->getCacheBackend();
    $max_rows = static::$maxRows;
    $this
      ->assertSame(0, (int) $this
      ->getNumRows());

    // Fill to just the limit.
    for ($i = 0; $i < $max_rows; $i++) {

      // Ensure that each cache item created happens in a different millisecond,
      // by waiting 1 ms (1000 microseconds). The garbage collection might
      // otherwise keep less than exactly 100 records (which is acceptable for
      // real-world cases, but not for this test).
      usleep(1000);
      $backend
        ->set("test{$i}", $i);
    }
    $this
      ->assertSame($max_rows, $this
      ->getNumRows());

    // Garbage collection has no effect.
    $backend
      ->garbageCollection();
    $this
      ->assertSame($max_rows, $this
      ->getNumRows());

    // Go one row beyond the limit.
    $backend
      ->set('test' . ($max_rows + 1), $max_rows + 1);
    $this
      ->assertSame($max_rows + 1, $this
      ->getNumRows());

    // Garbage collection removes one row: the oldest.
    $backend
      ->garbageCollection();
    $this
      ->assertSame($max_rows, $this
      ->getNumRows());
    $this
      ->assertFalse($backend
      ->get('test0'));
  }

  /**
   * Gets the number of rows in the test cache bin database table.
   *
   * @return int
   *   The number of rows in the test cache bin database table.
   */
  protected function getNumRows() {
    $table = 'cache_' . $this->testBin;
    $connection = $this->container
      ->get('database');
    $query = $connection
      ->select($table);
    $query
      ->addExpression('COUNT([cid])', 'cid');
    return (int) $query
      ->execute()
      ->fetchField();
  }

  /**
   * Test that the service "cache_tags.invalidator.checksum" is backend overridable.
   */
  public function testCacheTagsInvalidatorChecksumIsBackendOverridable() {
    $definition = $this->container
      ->getDefinition('cache_tags.invalidator.checksum');
    $this
      ->assertTrue($definition
      ->hasTag('backend_overridable'));
  }

  /**
   * Test that the service "cache.backend.database" is backend overridable.
   */
  public function testCacheBackendDatabaseIsBackendOverridable() {
    $definition = $this->container
      ->getDefinition('cache.backend.database');
    $this
      ->assertTrue($definition
      ->hasTag('backend_overridable'));
  }

}

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
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.
DatabaseBackendTest::$maxRows	protected static	property	The max rows to use for test bins.
DatabaseBackendTest::$modules	protected static	property	Modules to enable. Overrides KernelTestBase::$modules
DatabaseBackendTest::createCacheBackend	protected	function	Creates a new instance of DatabaseBackend. Overrides GenericCacheBackendUnitTestBase::createCacheBackend
DatabaseBackendTest::getNumRows	protected	function	Gets the number of rows in the test cache bin database table.
DatabaseBackendTest::testCacheBackendDatabaseIsBackendOverridable	public	function	Test that the service "cache.backend.database" is backend overridable.
DatabaseBackendTest::testCacheTagsInvalidatorChecksumIsBackendOverridable	public	function	Test that the service "cache_tags.invalidator.checksum" is backend overridable.
DatabaseBackendTest::testGarbageCollection	public	function	Tests the row count limiting of cache bin database tables.
DatabaseBackendTest::testSetGet	public	function	Tests the get and set methods of Drupal\Core\Cache\CacheBackendInterface. Overrides GenericCacheBackendUnitTestBase::testSetGet
ExtensionListTestTrait::getModulePath	protected	function	Gets the path for the specified module.
ExtensionListTestTrait::getThemePath	protected	function	Gets the path for the specified theme.
GenericCacheBackendUnitTestBase::$cachebackends	protected	property	Array of objects implementing Drupal\Core\Cache\CacheBackendInterface.
GenericCacheBackendUnitTestBase::$defaultValue	protected	property	Random value to use in tests.
GenericCacheBackendUnitTestBase::$testBin	protected	property	Cache bin to use for testing.
GenericCacheBackendUnitTestBase::getCacheBackend	protected	function	Gets a backend to test; this will get a shared instance set in the object.
GenericCacheBackendUnitTestBase::getTestBin	protected	function	Gets the testing bin.
GenericCacheBackendUnitTestBase::setUp	protected	function	Overrides KernelTestBase::setUp
GenericCacheBackendUnitTestBase::setUpCacheBackend	public	function	Allows specific implementation to change the environment before a test run.
GenericCacheBackendUnitTestBase::tearDown	protected	function	Overrides KernelTestBase::tearDown	1
GenericCacheBackendUnitTestBase::tearDownCacheBackend	public	function	Allows alteration of environment after a test run but before tear down.
GenericCacheBackendUnitTestBase::testDelete	public	function	Tests Drupal\Core\Cache\CacheBackendInterface::delete().
GenericCacheBackendUnitTestBase::testDeleteAll	public	function	Tests Drupal\Core\Cache\CacheBackendInterface::deleteAll().
GenericCacheBackendUnitTestBase::testDeleteMultiple	public	function	Tests Drupal\Core\Cache\CacheBackendInterface::delete() and Drupal\Core\Cache\CacheBackendInterface::deleteMultiple().
GenericCacheBackendUnitTestBase::testGetMultiple	public	function	Tests Drupal\Core\Cache\CacheBackendInterface::getMultiple().
GenericCacheBackendUnitTestBase::testInvalidate	public	function	Tests Drupal\Core\Cache\CacheBackendInterface::invalidate() and Drupal\Core\Cache\CacheBackendInterface::invalidateMultiple().
GenericCacheBackendUnitTestBase::testInvalidateAll	public	function	Tests Drupal\Core\Cache\CacheBackendInterface::invalidateAll().
GenericCacheBackendUnitTestBase::testInvalidateTags	public	function	Tests Drupal\Core\Cache\CacheBackendInterface::invalidateTags().
GenericCacheBackendUnitTestBase::testRemoveBin	public	function	Tests Drupal\Core\Cache\CacheBackendInterface::removeBin().
GenericCacheBackendUnitTestBase::testSetMultiple	public	function	Tests \Drupal\Core\Cache\CacheBackendInterface::setMultiple().
GenericCacheBackendUnitTestBase::testValueTypeIsKept	public	function	Tests data type preservation.
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 $modules to enable.
KernelTestBase::getModulesToEnable	private static	function	Returns the modules to enable for this test.
KernelTestBase::initFileCache	protected	function	Initializes the FileCache component.
KernelTestBase::installConfig	protected	function	Installs default configuration for a given list of modules.
KernelTestBase::installEntitySchema	protected	function	Installs the storage schema for a specific entity type.
KernelTestBase::installSchema	protected	function	Installs database tables from a module schema definition.
KernelTestBase::prepareTemplate	protected	function
KernelTestBase::register	public	function	Registers test-specific services. Overrides ServiceProviderInterface::register	24
KernelTestBase::render	protected	function	Renders a render array.	1
KernelTestBase::setInstallProfile	protected	function	Sets the install profile and rebuilds the container to update it.
KernelTestBase::setSetting	protected	function	Sets an in-memory Settings variable.
KernelTestBase::setUpBeforeClass	public static	function		1
KernelTestBase::setUpFilesystem	protected	function	Sets up the filesystem, so things like the file directory.	2
KernelTestBase::stop	protected	function	Stops test execution.
KernelTestBase::tearDownCloseDatabaseConnection	public	function	@after
KernelTestBase::vfsDump	protected	function	Dumps the current state of the virtual filesystem to STDOUT.
KernelTestBase::__sleep	public	function	Prevents serializing any properties.
PhpUnitWarnings::$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 DatabaseBackendTest in Drupal 9

Hierarchy

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