public function CacheCollectorTest::testUpdateCacheLockFail in Drupal 8

Tests updating the cache when the lock acquire fails.

File

core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php, line 196

Class

CacheCollectorTest

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

Namespace

Drupal\Tests\Core\Cache

Code

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($this->cid . ':Drupal\\Core\\Cache\\CacheCollector')
    ->will($this
    ->returnValue(FALSE));
  $this->cacheBackend
    ->expects($this
    ->never())
    ->method('set');

  // Destruct the object to trigger the update data process.
  $this->collector
    ->destruct();
}