class NullBackendTest

Same name in other branches
  1. 9 core/tests/Drupal/Tests/Core/Cache/NullBackendTest.php \Drupal\Tests\Core\Cache\NullBackendTest
  2. 8.9.x core/tests/Drupal/Tests/Core/Cache/NullBackendTest.php \Drupal\Tests\Core\Cache\NullBackendTest
  3. 10 core/tests/Drupal/Tests/Core/Cache/NullBackendTest.php \Drupal\Tests\Core\Cache\NullBackendTest

Tests the cache NullBackend.

@group Cache

Hierarchy

Expanded class hierarchy of NullBackendTest

File

core/tests/Drupal/Tests/Core/Cache/NullBackendTest.php, line 15

Namespace

Drupal\Tests\Core\Cache
View source 
class NullBackendTest extends UnitTestCase {
    
    /**
     * Tests that the NullBackend does not actually store variables.
     */
    public function testNullBackend() : void {
        $null_cache = new NullBackend('test');
        $key = $this->randomMachineName();
        $value = $this->randomMachineName();
        $null_cache->set($key, $value);
        $this->assertFalse($null_cache->get($key));
    }

}

Members

Title Modifiers Object type Summary Overrides
ExpectDeprecationTrait::expectDeprecation public function Adds an expected deprecation.
ExpectDeprecationTrait::getCallableName private static function Returns a callable as a string suitable for inclusion in a message.
ExpectDeprecationTrait::setUpErrorHandler public function Sets up the test error handler.
ExpectDeprecationTrait::tearDownErrorHandler public function Tears down the test error handler.
NullBackendTest::testNullBackend public function Tests that the NullBackend does not actually store variables.
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.
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.
UnitTestCase::$root protected property The app root.
UnitTestCase::getClassResolverStub protected function Returns a stub class resolver.
UnitTestCase::getConfigFactoryStub public function Returns a stub config factory that behaves according to the passed array.
UnitTestCase::getConfigStorageStub public function Returns a stub config storage that returns the supplied configuration.
UnitTestCase::getContainerWithCacheTagsInvalidator protected function Sets up a container with a cache tags invalidator.
UnitTestCase::getStringTranslationStub public function Returns a stub translation manager that just returns the passed string.
UnitTestCase::setUp protected function 355
UnitTestCase::setUpBeforeClass public static function

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