本文整理汇总了Python中pywebhdfs.webhdfs.PyWebHdfsClient.exists_file_dir方法的典型用法代码示例。如果您正苦于以下问题：Python PyWebHdfsClient.exists_file_dir方法的具体用法？Python PyWebHdfsClient.exists_file_dir怎么用？Python PyWebHdfsClient.exists_file_dir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.exists_file_dir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: WhenTestingFileExistsOperation
# 需要导入模块: from pywebhdfs.webhdfs import PyWebHdfsClient [as 别名]
# 或者: from pywebhdfs.webhdfs.PyWebHdfsClient import exists_file_dir [as 别名]
class WhenTestingFileExistsOperation(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/old_dir'
self.response = MagicMock()
self.file_status = {
"FileStatus": {
"accessTime": 0,
"blockSize": 0,
"group": "supergroup",
"length": 0,
"modificationTime": 1320173277227,
"owner": "webuser",
"pathSuffix": "",
"permission": "777",
"replication": 0,
"type": "DIRECTORY"
}
}
self.response.json = MagicMock(return_value=self.file_status)
def test_exists_throws_exception_for_error(self):
self.response.status_code = http_client.BAD_REQUEST
self.requests.get.return_value = self.response
with patch('pywebhdfs.webhdfs.requests', self.requests):
with self.assertRaises(errors.PyWebHdfsException):
self.webhdfs.exists_file_dir(self.path)
def test_exists_returns_true(self):
self.response.status_code = http_client.OK
self.requests.get.return_value = self.response
with patch('pywebhdfs.webhdfs.requests', self.requests):
self.assertTrue(self.webhdfs.exists_file_dir(self.path))
def test_exists_returns_false(self):
self.response.status_code = http_client.NOT_FOUND
self.requests.get.return_value = self.response
with patch('pywebhdfs.webhdfs.requests', self.requests):
self.assertFalse(self.webhdfs.exists_file_dir(self.path))