class MemoryBackendTest

Tests the MemoryBackend cache.

Attributes

#[CoversClass(MemoryBackend::class)] #[Group('Cache')]

Hierarchy

Expanded class hierarchy of MemoryBackendTest

File

View on git.drupalcode.org

core/tests/Drupal/Tests/Core/Cache/MemoryBackendTest.php, line 17

Namespace

Drupal\Tests\Core\Cache
View source 
class MemoryBackendTest extends UnitTestCase {
  
  /**
   * Tests that expired cache items are removed from memory.
   *
   * @legacy-covers ::garbageCollection
   */
  public function testGarbageCollection() : void {
    $time = $this->createMock(TimeInterface::class);
    $time->expects($this->any())
      ->method('getRequestTime')
      ->willReturn(100);
    $backend = new MemoryBackend($time);
    // Set a cache item that is expired.
    $backend->set('foo', 0, 10);
    // Set a cache item that is not expired.
    $backend->set('bar', 1, 200);
    // Set a permanent cache item.
    $backend->set('baz', 2, Cache::PERMANENT);
    // Verify that the cache entries were set.
    $this->assertInstanceOf(\stdClass::class, $backend->get('foo', TRUE));
    $this->assertInstanceOf(\stdClass::class, $backend->get('bar', TRUE));
    $this->assertInstanceOf(\stdClass::class, $backend->get('baz', TRUE));
    $backend->garbageCollection();
    // Verify that the cache entries were cleared or retained correctly.
    $this->assertFalse($backend->get('foo', TRUE));
    $this->assertInstanceOf(\stdClass::class, $backend->get('bar', TRUE));
    $this->assertInstanceOf(\stdClass::class, $backend->get('baz', TRUE));
  }

}

Members

Title Modifiers Object type Summary Overrides
ExpectDeprecationTrait::expectDeprecation public function Adds an expected deprecation.
ExpectDeprecationTrait::setUpErrorHandler public function Sets up the test error handler.
ExpectDeprecationTrait::tearDownErrorHandler public function Tears down the test error handler.
MemoryBackendTest::testGarbageCollection public function Tests that expired cache items are removed from memory.
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::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::setDebugDumpHandler public static function Registers the dumper CLI handler when the DebugDump extension is enabled.
UnitTestCase::setUp protected function 366
UnitTestCase::setupMockIterator protected function Set up a traversable class mock to return specific items when iterated.

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