本文整理汇总了Python中pywebhdfs.webhdfs.PyWebHdfsClient._resolve_host方法的典型用法代码示例。如果您正苦于以下问题：Python PyWebHdfsClient._resolve_host方法的具体用法？Python PyWebHdfsClient._resolve_host怎么用？Python PyWebHdfsClient._resolve_host使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pywebhdfs.webhdfs.PyWebHdfsClient的用法示例。
在下文中一共展示了PyWebHdfsClient._resolve_host方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: WhenTestingResolveHost
# 需要导入模块: from pywebhdfs.webhdfs import PyWebHdfsClient [as 别名]
# 或者: from pywebhdfs.webhdfs.PyWebHdfsClient import _resolve_host [as 别名]
class WhenTestingResolveHost(unittest.TestCase):
def setUp(self):
self.host = 'hostname'
self.port = '00000'
self.user_name = 'username'
self.path = 'user/hdfs'
self.timeout = None
self.webhdfs = PyWebHdfsClient(host=self.host, port=self.port,
user_name=self.user_name)
self.session = requests.Session()
self.data = '01011010'
self.headers = {'content-type': 'application/octet-stream'}
self.response = MagicMock()
self.response.status_code = http_client.TEMPORARY_REDIRECT
self.requests = MagicMock(return_value=self.response)
def test_method_is_called_with_correct_arguments(self):
uri = self.webhdfs._create_uri(self.path, 'CREATE').format(host=self.host)
with patch('requests.sessions.Session.put', self.requests):
result = self.webhdfs._resolve_host(
self.session.put, True, self.path, 'CREATE')
self.assertTrue(result)
self.assertEqual(len(self.requests.mock_calls), 1)
self.requests.assert_called_with(uri, allow_redirects=True, timeout=self.timeout)
def test_retries_are_made_max_tries(self):
self.requests.side_effect = [
requests.exceptions.ConnectionError,
requests.exceptions.ConnectionError,
self.response]
with patch('requests.sessions.Session.put', self.requests):
result = self.webhdfs._resolve_host(
self.session.put, True, self.path, 'CREATE')
self.assertTrue(result)
self.assertEqual(len(self.requests.mock_calls), 3)
def test_retries_are_made_at_most_max_tries(self):
self.requests.side_effect = [
requests.exceptions.ConnectionError,
requests.exceptions.ConnectionError,
requests.exceptions.ConnectionError,
self.response]
with self.assertRaises(requests.exceptions.ConnectionError):
with patch('requests.sessions.Session.put', self.requests):
self.webhdfs._resolve_host(
self.session.put, True, self.path, 'CREATE')
def test_non_requests_exceptions_bubble_up(self):
self.requests.side_effect = errors.FileNotFound
with self.assertRaises(errors.FileNotFound):
with patch('requests.sessions.Session.put', self.requests):
self.webhdfs._resolve_host(
self.session.put, True, self.path, 'CREATE')