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class ChainedFastBackendTest in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/tests/Drupal/Tests/Core/Cache/ChainedFastBackendTest.php \Drupal\Tests\Core\Cache\ChainedFastBackendTest

@coversDefaultClass \Drupal\Core\Cache\ChainedFastBackend @group Cache

Hierarchy

Expanded class hierarchy of ChainedFastBackendTest

File

core/tests/Drupal/Tests/Core/Cache/ChainedFastBackendTest.php, line 18
Contains \Drupal\Tests\Core\Cache\ChainedFastBackendTest.

Namespace

Drupal\Tests\Core\Cache
View source
class ChainedFastBackendTest extends UnitTestCase {

  /**
   * The consistent cache backend.
   *
   * @var \Drupal\Core\Cache\CacheBackendInterface
   */
  protected $consistentCache;

  /**
   * The fast cache backend.
   *
   * @var \Drupal\Core\Cache\CacheBackendInterface
   */
  protected $fastCache;

  /**
   * The cache bin.
   *
   * @var string
   */
  protected $bin;

  /**
   * Tests a get() on the fast backend, with no hit on the consistent backend.
   */
  public function testGetDoesntHitConsistentBackend() {
    $consistent_cache = $this
      ->getMock('Drupal\\Core\\Cache\\CacheBackendInterface');
    $timestamp_cid = ChainedFastBackend::LAST_WRITE_TIMESTAMP_PREFIX . 'cache_foo';

    // Use the request time because that is what we will be comparing against.
    $timestamp_item = (object) array(
      'cid' => $timestamp_cid,
      'data' => (int) $_SERVER['REQUEST_TIME'] - 60,
    );
    $consistent_cache
      ->expects($this
      ->once())
      ->method('get')
      ->with($timestamp_cid)
      ->will($this
      ->returnValue($timestamp_item));
    $consistent_cache
      ->expects($this
      ->never())
      ->method('getMultiple');
    $fast_cache = new MemoryBackend('foo');
    $fast_cache
      ->set('foo', 'baz');
    $chained_fast_backend = new ChainedFastBackend($consistent_cache, $fast_cache, 'foo');
    $this
      ->assertEquals('baz', $chained_fast_backend
      ->get('foo')->data);
  }

  /**
   * Tests a fast cache miss gets data from the consistent cache backend.
   */
  public function testFallThroughToConsistentCache() {
    $timestamp_item = (object) array(
      'cid' => ChainedFastBackend::LAST_WRITE_TIMESTAMP_PREFIX . 'cache_foo',
      'data' => time() + 60,
    );
    $cache_item = (object) array(
      'cid' => 'foo',
      'data' => 'baz',
      'created' => time(),
      'expire' => time() + 3600,
      'tags' => [
        'tag',
      ],
    );
    $consistent_cache = $this
      ->getMock('Drupal\\Core\\Cache\\CacheBackendInterface');
    $fast_cache = $this
      ->getMock('Drupal\\Core\\Cache\\CacheBackendInterface');

    // We should get a call for the timestamp on the consistent backend.
    $consistent_cache
      ->expects($this
      ->once())
      ->method('get')
      ->with($timestamp_item->cid)
      ->will($this
      ->returnValue($timestamp_item));

    // We should get a call for the cache item on the consistent backend.
    $consistent_cache
      ->expects($this
      ->once())
      ->method('getMultiple')
      ->with(array(
      $cache_item->cid,
    ))
      ->will($this
      ->returnValue(array(
      $cache_item->cid => $cache_item,
    )));

    // We should get a call for the cache item on the fast backend.
    $fast_cache
      ->expects($this
      ->once())
      ->method('getMultiple')
      ->with(array(
      $cache_item->cid,
    ))
      ->will($this
      ->returnValue(array(
      $cache_item->cid => $cache_item,
    )));

    // We should get a call to set the cache item on the fast backend.
    $fast_cache
      ->expects($this
      ->once())
      ->method('set')
      ->with($cache_item->cid, $cache_item->data, $cache_item->expire);
    $chained_fast_backend = new ChainedFastBackend($consistent_cache, $fast_cache, 'foo');
    $this
      ->assertEquals('baz', $chained_fast_backend
      ->get('foo')->data);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
ChainedFastBackendTest::$bin protected property The cache bin.
ChainedFastBackendTest::$consistentCache protected property The consistent cache backend.
ChainedFastBackendTest::$fastCache protected property The fast cache backend.
ChainedFastBackendTest::testFallThroughToConsistentCache public function Tests a fast cache miss gets data from the consistent cache backend.
ChainedFastBackendTest::testGetDoesntHitConsistentBackend public function Tests a get() on the fast backend, with no hit on the consistent backend.
UnitTestCase::$randomGenerator protected property The random generator.
UnitTestCase::$root protected property The app root.
UnitTestCase::assertArrayEquals protected function Asserts if two arrays are equal by sorting them first.
UnitTestCase::getBlockMockWithMachineName protected function Mocks a block with a block plugin.
UnitTestCase::getClassResolverStub protected function Returns a stub class resolver.
UnitTestCase::getConfigFactoryStub public function Returns a stub config factory that behaves according to the passed in 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::getRandomGenerator protected function Gets the random generator for the utility methods.
UnitTestCase::getStringTranslationStub public function Returns a stub translation manager that just returns the passed string.
UnitTestCase::randomMachineName public function Generates a unique random string containing letters and numbers.
UnitTestCase::setUp protected function 259