assertTrue(NULL === CRM_Core_BAO_Cache::getItem(self::TEST_CACHE_GROUP, self::TEST_CACHE_PATH)); $data = 'abc'; CRM_Core_BAO_Cache::setItem($data, self::TEST_CACHE_GROUP, self::TEST_CACHE_PATH); $this->assertEquals('abc', CRM_Core_BAO_Cache::getItem(self::TEST_CACHE_GROUP, self::TEST_CACHE_PATH)); $params = array(); $result = $this->callAPIAndDocument('system', 'flush', $params, __FUNCTION__, __FILE__, "Flush all system caches", 'Flush', 'flush'); $this->assertTrue(NULL === CRM_Core_BAO_Cache::getItem(self::TEST_CACHE_GROUP, self::TEST_CACHE_PATH)); } }