public function BackendChainImplementationUnitTest::testDeleteTagsPropagation in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/tests/Drupal/Tests/Core/Cache/BackendChainImplementationUnitTest.php \Drupal\Tests\Core\Cache\BackendChainImplementationUnitTest::testDeleteTagsPropagation()

Test that the delete tags operation is propagated to all backends in the chain.

File

core/tests/Drupal/Tests/Core/Cache/BackendChainImplementationUnitTest.php, line 219

Contains \Drupal\Tests\Core\Cache\BackendChainImplementationUnitTest.

Class

BackendChainImplementationUnitTest

Unit test of backend chain implementation specifics.

Namespace

Drupal\Tests\Core\Cache

Code

public function testDeleteTagsPropagation() {

  // Create two cache entries with the same tag and tag value.
  $this->chain
    ->set('test_cid_clear1', 'foo', Cache::PERMANENT, array(
    'test_tag:2',
  ));
  $this->chain
    ->set('test_cid_clear2', 'foo', Cache::PERMANENT, array(
    'test_tag:2',
  ));
  $this
    ->assertNotSame(FALSE, $this->firstBackend
    ->get('test_cid_clear1') && $this->firstBackend
    ->get('test_cid_clear2') && $this->secondBackend
    ->get('test_cid_clear1') && $this->secondBackend
    ->get('test_cid_clear2') && $this->thirdBackend
    ->get('test_cid_clear1') && $this->thirdBackend
    ->get('test_cid_clear2'), 'Two cache items were created in all backends.');

  // Invalidate test_tag of value 1. This should invalidate both entries.
  $this->chain
    ->invalidateTags(array(
    'test_tag:2',
  ));
  $this
    ->assertSame(FALSE, $this->firstBackend
    ->get('test_cid_clear1') && $this->firstBackend
    ->get('test_cid_clear2') && $this->secondBackend
    ->get('test_cid_clear1') && $this->secondBackend
    ->get('test_cid_clear2') && $this->thirdBackend
    ->get('test_cid_clear1') && $this->thirdBackend
    ->get('test_cid_clear2'), 'Two caches removed from all backends after clearing a cache tag.');

  // Create two cache entries with the same tag and an array tag value.
  $this->chain
    ->set('test_cid_clear1', 'foo', Cache::PERMANENT, array(
    'test_tag:1',
  ));
  $this->chain
    ->set('test_cid_clear2', 'foo', Cache::PERMANENT, array(
    'test_tag:1',
  ));
  $this
    ->assertNotSame(FALSE, $this->firstBackend
    ->get('test_cid_clear1') && $this->firstBackend
    ->get('test_cid_clear2') && $this->secondBackend
    ->get('test_cid_clear1') && $this->secondBackend
    ->get('test_cid_clear2') && $this->thirdBackend
    ->get('test_cid_clear1') && $this->thirdBackend
    ->get('test_cid_clear2'), 'Two cache items were created in all backends.');

  // Invalidate test_tag of value 1. This should invalidate both entries.
  $this->chain
    ->invalidateTags(array(
    'test_tag:1',
  ));
  $this
    ->assertSame(FALSE, $this->firstBackend
    ->get('test_cid_clear1') && $this->firstBackend
    ->get('test_cid_clear2') && $this->secondBackend
    ->get('test_cid_clear1') && $this->secondBackend
    ->get('test_cid_clear2') && $this->thirdBackend
    ->get('test_cid_clear1') && $this->thirdBackend
    ->get('test_cid_clear2'), 'Two caches removed from all backends after clearing a cache tag.');

  // Create three cache entries with a mix of tags and tag values.
  $this->chain
    ->set('test_cid_clear1', 'foo', Cache::PERMANENT, array(
    'test_tag:1',
  ));
  $this->chain
    ->set('test_cid_clear2', 'foo', Cache::PERMANENT, array(
    'test_tag:2',
  ));
  $this->chain
    ->set('test_cid_clear3', 'foo', Cache::PERMANENT, array(
    'test_tag_foo:3',
  ));
  $this
    ->assertNotSame(FALSE, $this->firstBackend
    ->get('test_cid_clear1') && $this->firstBackend
    ->get('test_cid_clear2') && $this->firstBackend
    ->get('test_cid_clear3') && $this->secondBackend
    ->get('test_cid_clear1') && $this->secondBackend
    ->get('test_cid_clear2') && $this->secondBackend
    ->get('test_cid_clear3') && $this->thirdBackend
    ->get('test_cid_clear1') && $this->thirdBackend
    ->get('test_cid_clear2') && $this->thirdBackend
    ->get('test_cid_clear3'), 'Three cached items were created in all backends.');
  $this->chain
    ->invalidateTags(array(
    'test_tag_foo:3',
  ));
  $this
    ->assertNotSame(FALSE, $this->firstBackend
    ->get('test_cid_clear1') && $this->firstBackend
    ->get('test_cid_clear2') && $this->secondBackend
    ->get('test_cid_clear1') && $this->secondBackend
    ->get('test_cid_clear2') && $this->thirdBackend
    ->get('test_cid_clear1') && $this->thirdBackend
    ->get('test_cid_clear2'), 'Cached items not matching the tag were not cleared from any of the backends.');
  $this
    ->assertSame(FALSE, $this->firstBackend
    ->get('test_cid_clear3') && $this->secondBackend
    ->get('test_cid_clear3') && $this->thirdBackend
    ->get('test_cid_clear3'), 'Cached item matching the tag was removed from all backends.');
}