public function CacheCollectorTest::testDelete in Drupal 8

Tests setting and deleting values.

File

core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php, line 131

Class

CacheCollectorTest

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

Namespace

Drupal\Tests\Core\Cache

Code

public function testDelete() {
  $key = $this
    ->randomMachineName();
  $value = $this
    ->randomMachineName();
  $this
    ->assertNull($this->collector
    ->get($key));
  $this->collector
    ->set($key, $value);
  $this
    ->assertTrue($this->collector
    ->has($key));
  $this
    ->assertEquals($value, $this->collector
    ->get($key));
  $this->cacheBackend
    ->expects($this
    ->once())
    ->method('invalidate')
    ->with($this->cid);
  $this->collector
    ->delete($key);
  $this
    ->assertFalse($this->collector
    ->has($key));
  $this
    ->assertEquals(NULL, $this->collector
    ->get($key));
}