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}.");
    }
}