class CacheCollectorTest

Same name in this branch
  1. 9 core/tests/Drupal/KernelTests/Core/Cache/CacheCollectorTest.php \Drupal\KernelTests\Core\Cache\CacheCollectorTest
Same name in other branches
  1. 8.9.x core/tests/Drupal/KernelTests/Core/Cache/CacheCollectorTest.php \Drupal\KernelTests\Core\Cache\CacheCollectorTest
  2. 8.9.x core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php \Drupal\Tests\Core\Cache\CacheCollectorTest
  3. 10 core/tests/Drupal/KernelTests/Core/Cache/CacheCollectorTest.php \Drupal\KernelTests\Core\Cache\CacheCollectorTest
  4. 10 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 12

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 {
        $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() {
        $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() {
        $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() {
        $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() {
        $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() {
        $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() {
        $this->lock
            ->expects($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() {
        $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() {
        $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() {
        $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 updating the cache when a different request.
     */
    public function testUpdateCacheMerge() {
        $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);
        $this->cacheBackend
            ->expects($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 updating the cache after a delete.
     */
    public function testUpdateCacheDelete() {
        $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.
        $this->cacheBackend
            ->expects($this->exactly(2))
            ->method('get')
            ->withConsecutive([
            $this->cid,
        ], [
            $this->cid,
            TRUE,
        ])
            ->willReturn($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() {
        $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() {
        $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() {
        $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());
    }

}

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::$lock protected property The lock backend that should be used.
CacheCollectorTest::setUp protected function Overrides UnitTestCase::setUp
CacheCollectorTest::testDelete public function Tests setting and deleting values.
CacheCollectorTest::testGetFromCache public function Tests returning value from the collected cache.
CacheCollectorTest::testResolveCacheMiss public function Tests the resolve cache miss function.
CacheCollectorTest::testSetAndGet public function Tests setting and getting values when the cache is empty.
CacheCollectorTest::testSetAndGetNull public function Makes sure that NULL is a valid value and is collected.
CacheCollectorTest::testUpdateCache public function Tests updating the cache after a set.
CacheCollectorTest::testUpdateCacheClear public function Tests a clear of the cache collector.
CacheCollectorTest::testUpdateCacheClearTags public function Tests a clear of the cache collector using tags.
CacheCollectorTest::testUpdateCacheDelete public function Tests updating the cache after a delete.
CacheCollectorTest::testUpdateCacheInvalidatedConflict public function Tests updating the cache when there is a conflict after cache invalidation.
CacheCollectorTest::testUpdateCacheLockFail public function Tests updating the cache when the lock acquire fails.
CacheCollectorTest::testUpdateCacheMerge public function Tests updating the cache when a different request.
CacheCollectorTest::testUpdateCacheNoChanges public function Tests updating the cache when no changes were made.
CacheCollectorTest::testUpdateCacheReset public function Tests a reset of the cache collector.
PhpUnitWarnings::$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.
UnitTestCase::$randomGenerator protected property The random generator.
UnitTestCase::$root protected property The app root. 1
UnitTestCase::assertArrayEquals Deprecated protected function Asserts if two arrays are equal by sorting them first.
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::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::setUpBeforeClass public static function

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