CacheDataCollectorTest.php in Devel 4.x

Namespace

Drupal\Tests\webprofiler\Unit\DataCollector

File

webprofiler/tests/src/Unit/DataCollector/CacheDataCollectorTest.php

<?php

namespace Drupal\Tests\webprofiler\Unit\DataCollector;

use Drupal\webprofiler\Cache\CacheBackendWrapper;
use Drupal\webprofiler\DataCollector\CacheDataCollector;

/**
 * @coversDefaultClass \Drupal\webprofiler\DataCollector\CacheDataCollector
 *
 * @group webprofiler
 */
class CacheDataCollectorTest extends DataCollectorBaseTest {

  /**
   * @var \Drupal\webprofiler\DataCollector\CacheDataCollector
   */
  private $cacheDataCollector;

  /**
   * @var \PHPUnit_Framework_MockObject_MockObject
   */
  private $cacheBackendInterface;

  /**
   * {@inheritdoc}
   */
  public function setUp() {
    $this->cacheDataCollector = new CacheDataCollector();
    $this->cacheBackendInterface = $this
      ->createMock('Drupal\\Core\\Cache\\CacheBackendInterface');
  }

  /**
   * Tests the collection of a cache miss.
   */
  public function testCacheCollectorMiss() {
    $this->cacheBackendInterface
      ->expects($this
      ->once())
      ->method('get')
      ->will($this
      ->returnValue(FALSE));
    $cacheBackendWrapper = new CacheBackendWrapper($this->cacheDataCollector, $this->cacheBackendInterface, 'default');
    $cache = $cacheBackendWrapper
      ->get('cache_id');
    $this
      ->assertFalse($cache);
    $this
      ->assertEquals(1, $this->cacheDataCollector
      ->getCacheMissesCount());
  }

  /**
   * Tests the collection of a cache hit.
   */
  public function testCacheCollectorHit() {
    $cache = new \stdClass();
    $cache->cid = 'cache_id';
    $cache->expire = 1;
    $cache->tags = [
      'tag1',
      'tag2',
    ];
    $this->cacheBackendInterface
      ->expects($this
      ->once())
      ->method('get')
      ->will($this
      ->returnValue($cache));
    $cacheBackendWrapper = new CacheBackendWrapper($this->cacheDataCollector, $this->cacheBackendInterface, 'default');
    $cache2 = $cacheBackendWrapper
      ->get('cache_id');
    $this
      ->assertNotNull($cache2);
    $this
      ->assertEquals(1, $this->cacheDataCollector
      ->getCacheHitsCount());
  }

}

Classes

Name	Description
CacheDataCollectorTest	@coversDefaultClass \Drupal\webprofiler\DataCollector\CacheDataCollector