protected function createCacheBackend($bin)
{
$chain = new BackendChain($bin);
// We need to create some various backends in the chain.
$chain->appendBackend(new MemoryBackend('foo'))->prependBackend(new MemoryBackend('bar'))->appendBackend(new MemoryBackend('baz'));
return $chain;
}
protected function createCacheBackend($bin)
{
$chain = new BackendChain($bin);
// We need to create some various backends in the chain.
$chain->appendBackend(new MemoryBackend('foo'))->prependBackend(new MemoryBackend('bar'))->appendBackend(new MemoryBackend('baz'));
\Drupal::service('cache_tags.invalidator')->addInvalidator($chain);
return $chain;
}
/**
* Test that removing bin propagates to all backends.
*/
public function testRemoveBin()
{
$chain = new BackendChain('foo');
for ($i = 0; $i < 3; $i++) {
$backend = $this->getMock('Drupal\\Core\\Cache\\CacheBackendInterface');
$backend->expects($this->once())->method('removeBin');
$chain->appendBackend($backend);
}
$chain->removeBin();
}
