class DatabaseBackendTest

Same name in other branches
  1. 8.9.x core/tests/Drupal/KernelTests/Core/Cache/DatabaseBackendTest.php \Drupal\KernelTests\Core\Cache\DatabaseBackendTest
  2. 10 core/tests/Drupal/KernelTests/Core/Cache/DatabaseBackendTest.php \Drupal\KernelTests\Core\Cache\DatabaseBackendTest
  3. 11.x 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 \Drupal\Core\Cache\DatabaseBackend
     *   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

Title Sort descending Deprecated Modifiers Object type Summary Overriden Title 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 raw text IS NOT found escaped on 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 &quot;cache.backend.database&quot; is backend overridable.
DatabaseBackendTest::testCacheTagsInvalidatorChecksumIsBackendOverridable public function Test that the service &quot;cache_tags.invalidator.checksum&quot; 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 @covers \Drupal\Core\Cache\ApcuBackend::deleteMultiple
@covers \Drupal\Core\Cache\BackendChain::deleteMultiple
@covers \Drupal\Core\Cache\ChainedFastBackend::deleteMultiple
@covers \Drupal\Core\Cache\DatabaseBackend::deleteMultiple
@covers…
GenericCacheBackendUnitTestBase::testGetMultiple public function Tests Drupal\Core\Cache\CacheBackendInterface::getMultiple().
GenericCacheBackendUnitTestBase::testInvalidate public function @covers \Drupal\Core\Cache\ApcuBackend::getMultiple
@covers \Drupal\Core\Cache\BackendChain::getMultiple
@covers \Drupal\Core\Cache\ChainedFastBackend::getMultiple
@covers \Drupal\Core\Cache\DatabaseBackend::getMultiple
@covers…
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. 6
KernelTestBase::$configSchemaCheckerExclusions protected static property An array of config object names that are excluded from schema checking.
KernelTestBase::$container protected property
KernelTestBase::$databasePrefix protected property
KernelTestBase::$keyValue protected property The key_value service that must persist between container rebuilds.
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::$strictConfigSchema protected property Set to TRUE to strict check all configuration saved. 7
KernelTestBase::$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 $modules to enable.
KernelTestBase::getModulesToEnable private static function Returns the modules to enable for this test.
KernelTestBase::initFileCache protected function Initializes the FileCache component.
KernelTestBase::installConfig protected function Installs default configuration for a given list of modules.
KernelTestBase::installEntitySchema protected function Installs the storage schema for a specific entity type.
KernelTestBase::installSchema protected function Installs database tables from a module schema definition.
KernelTestBase::register public function Registers test-specific services. Overrides ServiceProviderInterface::register 26
KernelTestBase::render protected function Renders a render array. 1
KernelTestBase::setInstallProfile protected function Sets the install profile and rebuilds the container to update it.
KernelTestBase::setSetting protected function Sets an in-memory Settings variable.
KernelTestBase::setUpBeforeClass public static function 1
KernelTestBase::setUpFilesystem protected function Sets up the filesystem, so things like the file directory. 3
KernelTestBase::stop protected function Stops test execution.
KernelTestBase::tearDownCloseDatabaseConnection public function @after
KernelTestBase::vfsDump protected function Dumps the current state of the virtual filesystem to STDOUT.
KernelTestBase::__sleep public function Prevents serializing any properties.
PhpUnitWarnings::$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.
TestRequirementsTrait::getDrupalRoot protected static function Returns the Drupal root directory.

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