Neos\Cache\Tests\Unit\Backend\MemcachedBackendTest::flushByTagRemovesCacheEntriesWithSpecifiedTag PHP Метод

    public function flushByTagRemovesCacheEntriesWithSpecifiedTag()
    {
        $backend = $this->setUpBackend();
        $data = 'some data' . microtime();
        $backend->set('BackendMemcacheTest1', $data, ['UnitTestTag%test', 'UnitTestTag%boring']);
        $backend->set('BackendMemcacheTest2', $data, ['UnitTestTag%test', 'UnitTestTag%special']);
        $backend->set('BackendMemcacheTest3', $data, ['UnitTestTag%test']);
        $backend->flushByTag('UnitTestTag%special');
        $this->assertTrue($backend->has('BackendMemcacheTest1'), 'BackendMemcacheTest1');
        $this->assertFalse($backend->has('BackendMemcacheTest2'), 'BackendMemcacheTest2');
        $this->assertTrue($backend->has('BackendMemcacheTest3'), 'BackendMemcacheTest3');
    }