/**
* Tests a clear of the cache collector using tags.
*/
public function testUpdateCacheClearTags()
{
$key = $this->randomMachineName();
$value = $this->randomMachineName();
$tags = array($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());
}
