function ClearTest::testFlushAllCaches

Tests drupal_flush_all_caches().

File

core/modules/system/tests/src/Functional/Cache/ClearTest.php, line 34

Class

ClearTest

Tests our clearing is done the proper way.

Namespace

Code

public function testFlushAllCaches() : void {
  // Create cache entries for each flushed cache bin.
  $bins = Cache::getBins();
  $this->assertNotEmpty($bins, 'Cache::getBins() returned bins to flush.');
  foreach ($bins as $bin => $cache_backend) {
    $cid = 'test_cid_clear' . $bin;
    $cache_backend->set($cid, $this->defaultValue);
  }
  // Remove all caches then make sure that they are cleared.
  drupal_flush_all_caches();
  foreach ($bins as $bin => $cache_backend) {
    $cid = 'test_cid_clear' . $bin;
    $this->assertFalse($this->checkCacheExists($cid, $this->defaultValue, $bin), "All cache entries removed from {$bin}.");
  }
}