class CacheCollectorTest

Same name in this branch
  1. 10 core/tests/Drupal/KernelTests/Core/Cache/CacheCollectorTest.php \Drupal\KernelTests\Core\Cache\CacheCollectorTest
Same name and namespace in other branches
  1. 9 core/tests/Drupal/KernelTests/Core/Cache/CacheCollectorTest.php \Drupal\KernelTests\Core\Cache\CacheCollectorTest
  2. 9 core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php \Drupal\Tests\Core\Cache\CacheCollectorTest
  3. 8.9.x core/tests/Drupal/KernelTests/Core/Cache/CacheCollectorTest.php \Drupal\KernelTests\Core\Cache\CacheCollectorTest
  4. 8.9.x core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php \Drupal\Tests\Core\Cache\CacheCollectorTest
  5. 11.x core/tests/Drupal/KernelTests/Core/Cache/CacheCollectorTest.php \Drupal\KernelTests\Core\Cache\CacheCollectorTest
  6. 11.x core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php \Drupal\Tests\Core\Cache\CacheCollectorTest

@coversDefaultClass \Drupal\Core\Cache\CacheCollector
@group Cache

Hierarchy

Expanded class hierarchy of CacheCollectorTest

File

core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php, line 14

Namespace

Drupal\Tests\Core\Cache
View source
class CacheCollectorTest extends UnitTestCase {
  
  /**
   * The cache backend that should be used.
   *
   * @var \Drupal\Core\Cache\CacheBackendInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $cacheBackend;
  
  /**
   * The cache tags invalidator.
   *
   * @var \Drupal\Core\Cache\CacheTagsInvalidatorInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $cacheTagsInvalidator;
  
  /**
   * The lock backend that should be used.
   *
   * @var \PHPUnit\Framework\MockObject\MockObject
   */
  protected $lock;
  
  /**
   * The cache id used for the test.
   *
   * @var string
   */
  protected $cid;
  
  /**
   * Cache collector implementation to test.
   *
   * @var \Drupal\Tests\Core\Cache\CacheCollectorHelper
   */
  protected $collector;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->cacheBackend = $this->createMock('Drupal\\Core\\Cache\\CacheBackendInterface');
    $this->cacheTagsInvalidator = $this->createMock('Drupal\\Core\\Cache\\CacheTagsInvalidatorInterface');
    $this->lock = $this->createMock('Drupal\\Core\\Lock\\LockBackendInterface');
    $this->cid = $this->randomMachineName();
    $this->collector = new CacheCollectorHelper($this->cid, $this->cacheBackend, $this->lock);
    $this->getContainerWithCacheTagsInvalidator($this->cacheTagsInvalidator);
  }
  
  /**
   * Tests the resolve cache miss function.
   */
  public function testResolveCacheMiss() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $this->collector
      ->setCacheMissData($key, $value);
    $this->assertEquals($value, $this->collector
      ->get($key));
  }
  
  /**
   * Tests setting and getting values when the cache is empty.
   */
  public function testSetAndGet() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $this->assertNull($this->collector
      ->get($key));
    $this->collector
      ->set($key, $value);
    $this->assertTrue($this->collector
      ->has($key));
    $this->assertEquals($value, $this->collector
      ->get($key));
  }
  
  /**
   * Makes sure that NULL is a valid value and is collected.
   */
  public function testSetAndGetNull() : void {
    $key = $this->randomMachineName();
    $value = NULL;
    $this->cacheBackend
      ->expects($this->once())
      ->method('invalidate')
      ->with($this->cid);
    $this->collector
      ->set($key, $value);
    $this->assertTrue($this->collector
      ->has($key));
    $this->assertEquals($value, $this->collector
      ->get($key));
    // Ensure that getting a value that isn't set does not mark it as
    // existent.
    $non_existing_key = $this->randomMachineName(7);
    $this->collector
      ->get($non_existing_key);
    $this->assertFalse($this->collector
      ->has($non_existing_key));
  }
  
  /**
   * Tests returning value from the collected cache.
   */
  public function testGetFromCache() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $cache = (object) [
      'data' => [
        $key => $value,
      ],
      'created' => (int) $_SERVER['REQUEST_TIME'],
    ];
    $this->cacheBackend
      ->expects($this->once())
      ->method('get')
      ->with($this->cid)
      ->willReturn($cache);
    $this->assertTrue($this->collector
      ->has($key));
    $this->assertEquals($value, $this->collector
      ->get($key));
    $this->assertEquals(0, $this->collector
      ->getCacheMisses());
  }
  
  /**
   * Tests setting and deleting values.
   */
  public function testDelete() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $this->assertNull($this->collector
      ->get($key));
    $this->collector
      ->set($key, $value);
    $this->assertTrue($this->collector
      ->has($key));
    $this->assertEquals($value, $this->collector
      ->get($key));
    $this->cacheBackend
      ->expects($this->once())
      ->method('invalidate')
      ->with($this->cid);
    $this->collector
      ->delete($key);
    $this->assertFalse($this->collector
      ->has($key));
    $this->assertEquals(NULL, $this->collector
      ->get($key));
  }
  
  /**
   * Tests updating the cache when no changes were made.
   */
  public function testUpdateCacheNoChanges() : void {
    $this->lock
      ->expects($this->never())
      ->method('acquire');
    $this->cacheBackend
      ->expects($this->never())
      ->method('set');
    // Destruct the object to trigger the update data process.
    $this->collector
      ->destruct();
  }
  
  /**
   * Tests updating the cache after a set.
   */
  public function testUpdateCache() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $this->collector
      ->setCacheMissData($key, $value);
    $this->collector
      ->get($key);
    // Set up mock objects for the expected calls, first a lock acquire, then
    // cache get to look for conflicting cache entries, then a cache set and
    // finally the lock is released again.
    $this->lock
      ->expects($this->once())
      ->method('acquire')
      ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector')
      ->willReturn(TRUE);
    $this->cacheBackend
      ->expects($this->once())
      ->method('get')
      ->with($this->cid, FALSE);
    $this->cacheBackend
      ->expects($this->once())
      ->method('set')
      ->with($this->cid, [
      $key => $value,
    ], Cache::PERMANENT, []);
    $this->lock
      ->expects($this->once())
      ->method('release')
      ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector');
    // Destruct the object to trigger the update data process.
    $this->collector
      ->destruct();
  }
  
  /**
   * Tests updating the cache when the lock acquire fails.
   */
  public function testUpdateCacheLockFail() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $this->collector
      ->setCacheMissData($key, $value);
    $this->collector
      ->get($key);
    // The lock acquire returns false, so the method should abort.
    $this->lock
      ->expects($this->once())
      ->method('acquire')
      ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector')
      ->willReturn(FALSE);
    $this->cacheBackend
      ->expects($this->never())
      ->method('set');
    // Destruct the object to trigger the update data process.
    $this->collector
      ->destruct();
  }
  
  /**
   * Tests updating the cache when there is a conflict after cache invalidation.
   */
  public function testUpdateCacheInvalidatedConflict() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    // Set up mock cache get with conflicting entries.
    $this->cacheBackend
      ->expects($this->exactly(2))
      ->method('get')
      ->with($this->cid)
      ->willReturnOnConsecutiveCalls((object) [
      'data' => [
        $key => $value,
      ],
      'created' => (int) $_SERVER['REQUEST_TIME'],
    ], (object) [
      'data' => [
        $key => $value,
      ],
      'created' => (int) $_SERVER['REQUEST_TIME'] + 1,
    ]);
    $this->cacheBackend
      ->expects($this->once())
      ->method('invalidate')
      ->with($this->cid);
    $this->collector
      ->set($key, 'new value');
    // Set up mock objects for the expected calls, first a lock acquire, then
    // when cache get finds conflicting entries it deletes the cache and aborts.
    $this->lock
      ->expects($this->once())
      ->method('acquire')
      ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector')
      ->willReturn(TRUE);
    $this->cacheBackend
      ->expects($this->once())
      ->method('delete')
      ->with($this->cid);
    $this->lock
      ->expects($this->once())
      ->method('release')
      ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector');
    // Destruct the object to trigger the update data process.
    $this->collector
      ->destruct();
  }
  
  /**
   * Tests a cache hit, then item updated by a different request.
   */
  public function testUpdateCacheMerge() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $this->collector
      ->setCacheMissData($key, $value);
    $this->collector
      ->get($key);
    // Set up mock objects for the expected calls, first a lock acquire, then
    // cache get to look for existing cache entries, which does find
    // and then it merges them.
    $this->lock
      ->expects($this->once())
      ->method('acquire')
      ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector')
      ->willReturn(TRUE);
    $cache = (object) [
      'data' => [
        'other key' => 'other value',
      ],
      'created' => (int) $_SERVER['REQUEST_TIME'] + 1,
    ];
    $this->collector
      ->setCacheCreated($cache->created);
    $this->cacheBackend
      ->expects($this->once())
      ->method('get')
      ->with($this->cid)
      ->willReturn($cache);
    $this->cacheBackend
      ->expects($this->once())
      ->method('set')
      ->with($this->cid, [
      'other key' => 'other value',
      $key => $value,
    ], Cache::PERMANENT, []);
    $this->lock
      ->expects($this->once())
      ->method('release')
      ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector');
    // Destruct the object to trigger the update data process.
    $this->collector
      ->destruct();
  }
  
  /**
   * Tests a cache miss, then item created by another request.
   */
  public function testUpdateCacheRace() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $this->collector
      ->setCacheMissData($key, $value);
    $this->collector
      ->get($key);
    // Set up mock objects for the expected calls, first a lock acquire, then
    // cache get to look for existing cache entries, which does find
    // and then it merges them.
    $this->lock
      ->expects($this->once())
      ->method('acquire')
      ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector')
      ->willReturn(TRUE);
    $cache = (object) [
      'data' => [
        'other key' => 'other value',
      ],
      'created' => (int) $_SERVER['REQUEST_TIME'] + 1,
    ];
    $this->cacheBackend
      ->expects($this->once())
      ->method('get')
      ->with($this->cid)
      ->willReturn($cache);
    // Destruct the object to trigger the update data process.
    $this->collector
      ->destruct();
  }
  
  /**
   * Tests updating the cache after a delete.
   */
  public function testUpdateCacheDelete() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $cache = (object) [
      'data' => [
        $key => $value,
      ],
      'created' => (int) $_SERVER['REQUEST_TIME'],
    ];
    // Set up mock expectation, on the second call the with the second argument
    // set to TRUE because we triggered a cache invalidation.
    $allow_invalid = [
      FALSE,
      TRUE,
    ];
    $this->cacheBackend
      ->expects($this->exactly(2))
      ->method('get')
      ->with($this->cid, $this->callback(function ($value) use (&$allow_invalid) {
      return array_shift($allow_invalid) === $value;
    }))
      ->willReturn($cache);
    $this->collector
      ->delete($key);
    // Set up mock objects for the expected calls, first a lock acquire, then
    // a cache set and finally the lock is released again.
    $this->lock
      ->expects($this->once())
      ->method('acquire')
      ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector')
      ->willReturn(TRUE);
    $this->cacheBackend
      ->expects($this->once())
      ->method('set')
      ->with($this->cid, [], Cache::PERMANENT, []);
    $this->lock
      ->expects($this->once())
      ->method('release')
      ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector');
    // Destruct the object to trigger the update data process.
    $this->collector
      ->destruct();
  }
  
  /**
   * Tests a reset of the cache collector.
   */
  public function testUpdateCacheReset() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    // Set the data and request it.
    $this->collector
      ->setCacheMissData($key, $value);
    $this->assertEquals($value, $this->collector
      ->get($key));
    $this->assertEquals($value, $this->collector
      ->get($key));
    // Should have been added to the storage and only be requested once.
    $this->assertEquals(1, $this->collector
      ->getCacheMisses());
    // Reset the collected cache, should call it again.
    $this->collector
      ->reset();
    $this->assertEquals($value, $this->collector
      ->get($key));
    $this->assertEquals(2, $this->collector
      ->getCacheMisses());
  }
  
  /**
   * Tests a clear of the cache collector.
   */
  public function testUpdateCacheClear() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    // Set the data and request it.
    $this->collector
      ->setCacheMissData($key, $value);
    $this->assertEquals($value, $this->collector
      ->get($key));
    $this->assertEquals($value, $this->collector
      ->get($key));
    // Should have been added to the storage and only be requested once.
    $this->assertEquals(1, $this->collector
      ->getCacheMisses());
    // Clear the collected cache, should call it again.
    $this->cacheBackend
      ->expects($this->once())
      ->method('delete')
      ->with($this->cid);
    $this->cacheTagsInvalidator
      ->expects($this->never())
      ->method('invalidateTags');
    $this->collector
      ->clear();
    $this->assertEquals($value, $this->collector
      ->get($key));
    $this->assertEquals(2, $this->collector
      ->getCacheMisses());
  }
  
  /**
   * Tests a clear of the cache collector using tags.
   */
  public function testUpdateCacheClearTags() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $tags = [
      $this->randomMachineName(),
    ];
    $this->collector = new CacheCollectorHelper($this->cid, $this->cacheBackend, $this->lock, $tags);
    // Set the data and request it.
    $this->collector
      ->setCacheMissData($key, $value);
    $this->assertEquals($value, $this->collector
      ->get($key));
    $this->assertEquals($value, $this->collector
      ->get($key));
    // Should have been added to the storage and only be requested once.
    $this->assertEquals(1, $this->collector
      ->getCacheMisses());
    // Clear the collected cache using the tags, should call it again.
    $this->cacheBackend
      ->expects($this->never())
      ->method('delete');
    $this->cacheTagsInvalidator
      ->expects($this->once())
      ->method('invalidateTags')
      ->with($tags);
    $this->collector
      ->clear();
    $this->assertEquals($value, $this->collector
      ->get($key));
    $this->assertEquals(2, $this->collector
      ->getCacheMisses());
  }
  
  /**
   * @group legacy
   */
  public function testDeprecatedNormalizeLockName() : void {
    $this->expectDeprecation('Drupal\\Core\\Cache\\CacheCollector::normalizeLockName is deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. The lock service is responsible for normalizing the lock name. See https://www.drupal.org/node/3436961');
    $this->collector
      ->normalizeLockName('lock');
  }

}

Members

Title Sort descending Deprecated Modifiers Object type Summary Overriden Title Overrides
CacheCollectorTest::$cacheBackend protected property The cache backend that should be used.
CacheCollectorTest::$cacheTagsInvalidator protected property The cache tags invalidator.
CacheCollectorTest::$cid protected property The cache id used for the test.
CacheCollectorTest::$collector protected property Cache collector implementation to test.
CacheCollectorTest::$lock protected property The lock backend that should be used.
CacheCollectorTest::setUp protected function Overrides UnitTestCase::setUp
CacheCollectorTest::testDelete public function Tests setting and deleting values.
CacheCollectorTest::testDeprecatedNormalizeLockName public function @group legacy
CacheCollectorTest::testGetFromCache public function Tests returning value from the collected cache.
CacheCollectorTest::testResolveCacheMiss public function Tests the resolve cache miss function.
CacheCollectorTest::testSetAndGet public function Tests setting and getting values when the cache is empty.
CacheCollectorTest::testSetAndGetNull public function Makes sure that NULL is a valid value and is collected.
CacheCollectorTest::testUpdateCache public function Tests updating the cache after a set.
CacheCollectorTest::testUpdateCacheClear public function Tests a clear of the cache collector.
CacheCollectorTest::testUpdateCacheClearTags public function Tests a clear of the cache collector using tags.
CacheCollectorTest::testUpdateCacheDelete public function Tests updating the cache after a delete.
CacheCollectorTest::testUpdateCacheInvalidatedConflict public function Tests updating the cache when there is a conflict after cache invalidation.
CacheCollectorTest::testUpdateCacheLockFail public function Tests updating the cache when the lock acquire fails.
CacheCollectorTest::testUpdateCacheMerge public function Tests a cache hit, then item updated by a different request.
CacheCollectorTest::testUpdateCacheNoChanges public function Tests updating the cache when no changes were made.
CacheCollectorTest::testUpdateCacheRace public function Tests a cache miss, then item created by another request.
CacheCollectorTest::testUpdateCacheReset public function Tests a reset of the cache collector.
PhpUnitWarnings::$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::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.
RandomGeneratorTrait::randomStringValidate Deprecated public function Callback for random string validation.
UnitTestCase::$root protected property The app root. 1
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::setUpBeforeClass public static function
UnitTestCase::__get public function

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