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class DatabaseBackendTest in Drupal 9

Same name and namespace in other branches
  1. 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

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

Namesort descending 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.