本文整理汇总了Python中pywebhdfs.webhdfs.PyWebHdfsClient.stream_file方法的典型用法代码示例。如果您正苦于以下问题：Python PyWebHdfsClient.stream_file方法的具体用法？Python PyWebHdfsClient.stream_file怎么用？Python PyWebHdfsClient.stream_file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.stream_file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: WhenTestingOpenOperation
# 需要导入模块: from pywebhdfs.webhdfs import PyWebHdfsClient [as 别名]
# 或者: from pywebhdfs.webhdfs.PyWebHdfsClient import stream_file [as 别名]
class WhenTestingOpenOperation(unittest.TestCase):
def setUp(self):
self.host = 'hostname'
self.port = '00000'
self.user_name = 'username'
self.webhdfs = PyWebHdfsClient(host=self.host, port=self.port,
user_name=self.user_name)
self.response = MagicMock()
self.requests = MagicMock(return_value=self.response)
self.path = 'user/hdfs'
self.file_data = u'010101'
self.response = MagicMock()
self.response.content = self.file_data
def test_read_throws_exception_for_not_ok(self):
self.response.status_code = http_client.BAD_REQUEST
self.requests.return_value = self.response
with patch('requests.sessions.Session.get', self.requests):
with self.assertRaises(errors.PyWebHdfsException):
self.webhdfs.read_file(self.path)
def test_read_returns_file(self):
self.response.status_code = http_client.OK
self.requests.return_value = self.response
with patch('requests.sessions.Session.get', self.requests):
result = self.webhdfs.read_file(self.path)
self.assertEqual(result, self.file_data)
def test_stream_returns_generator(self):
self.response.status_code = http_client.OK
self.requests.return_value = self.response
with patch('requests.sessions.Session.get', self.requests):
result = self.webhdfs.stream_file(self.path)
self.assertIsInstance(result, types.GeneratorType)