def test_purge(self): 
    """
    test_purge
    """
    error = None 
    try: 
        tasks = [] 
        tasks.append({'url': 'http://opencdn3.sys-qa.com/1.jpg'}) 
        tasks.append({'url': 'http://opencdn3.sys-qa.com/', "type":"directory"}) 
        response = self.cdn_client.purge(tasks) 
        print response 
    except BceServerError as e: 
        error = e 
    finally: 
        self.assertIsNone(error) 

def test_list_purge_tasks(self): 
    """
    test_list_purge_tasks
    """
    error = None 
    try: 
        response = self.cdn_client.list_purge_tasks( 
                            id = 'eJwztjA3swQAAy4BEg==', 
                            url = 'http://opencdn3.sys-qa.com/1.jpg', 
                            startTime = '2017-01-18T10:00:00Z', 
                            endTime = '2017-01-18T12:50:00Z') 
        print response 
    except BceServerError as e: 
        error = e 
    finally: 
        self.assertIsNone(error) 

def test_prefetch(self): 
    """
    test_prefetch
    """
    error = None 
    try: 
        tasks = [] 
        tasks.append({'url': 'http://opencdn3.sys-qa.com/1.jpg'}) 
        tasks.append({'url': 'http://opencdn3.sys-qa.com/2.jpg'}) 
        response = self.cdn_client.prefetch(tasks) 
        print response 
    except BceServerError as e: 
        error = e 
    finally: 
        self.assertIsNone(error) 

def test_list_prefetch_tasks(self): 
    """
    test_list_prefetch_tasks
    """
    error = None 
    try: 
        response = self.cdn_client.list_prefetch_tasks( 
                            id = 'c942f806-1246-5870-e724-1d579b56d438', 
                            startTime = '2017-01-18T10:00:00Z', 
                            endTime = '2017-01-18T12:50:00Z') 
        print response 
    except BceServerError as e: 
        error = e 
    finally: 
        self.assertIsNone(error) 

def test_get_domain_records(c): 
    """
    Query refresh and preload records 
    """

    Type = "purge" 
    start_time = '2019-05-26T00:00:00Z' 
    end_time = '2019-05-26T01:00:00Z' 
    url = 'http://test-sdk.sys-qa.com/path/to/directory/' 
    marker = None 

    response = c.get_domain_records(Type, start_time, end_time, url, marker) 
    print(response)