jghoman closed pull request #4070: [AIRFLOW-3235] Add list function in
AzureDataLakeHook
URL: https://github.com/apache/incubator-airflow/pull/4070
This is a PR merged from a forked repository.
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diff --git a/airflow/contrib/hooks/azure_data_lake_hook.py
b/airflow/contrib/hooks/azure_data_lake_hook.py
index 74ae194809..2178738220 100644
--- a/airflow/contrib/hooks/azure_data_lake_hook.py
+++ b/airflow/contrib/hooks/azure_data_lake_hook.py
@@ -139,3 +139,15 @@ def download_file(self, local_path, remote_path,
nthreads=64, overwrite=True,
overwrite=overwrite,
buffersize=buffersize,
blocksize=blocksize)
+
+ def list(self, path):
+ """
+ List files in Azure Data Lake Storage
+
+ :param path: full path/globstring to use to list files in ADLS
+ :type path: str
+ """
+ if "*" in path:
+ return self.connection.glob(path)
+ else:
+ return self.connection.walk(path)
diff --git a/tests/contrib/hooks/test_azure_data_lake_hook.py
b/tests/contrib/hooks/test_azure_data_lake_hook.py
index d99581b829..af26f85d99 100644
--- a/tests/contrib/hooks/test_azure_data_lake_hook.py
+++ b/tests/contrib/hooks/test_azure_data_lake_hook.py
@@ -100,6 +100,24 @@ def test_download_file(self, mock_lib, mock_downloader):
nthreads=64, overwrite=True,
buffersize=4194304,
blocksize=4194304)
+
@mock.patch('airflow.contrib.hooks.azure_data_lake_hook.core.AzureDLFileSystem',
+ autospec=True)
+ @mock.patch('airflow.contrib.hooks.azure_data_lake_hook.lib',
autospec=True)
+ def test_list_glob(self, mock_lib, mock_fs):
+ from airflow.contrib.hooks.azure_data_lake_hook import
AzureDataLakeHook
+ hook = AzureDataLakeHook(azure_data_lake_conn_id='adl_test_key')
+ hook.list('file_path/*')
+ mock_fs.return_value.glob.assert_called_with('file_path/*')
+
+
@mock.patch('airflow.contrib.hooks.azure_data_lake_hook.core.AzureDLFileSystem',
+ autospec=True)
+ @mock.patch('airflow.contrib.hooks.azure_data_lake_hook.lib',
autospec=True)
+ def test_list_walk(self, mock_lib, mock_fs):
+ from airflow.contrib.hooks.azure_data_lake_hook import
AzureDataLakeHook
+ hook = AzureDataLakeHook(azure_data_lake_conn_id='adl_test_key')
+ hook.list('file_path/some_folder/')
+ mock_fs.return_value.walk.assert_called_with('file_path/some_folder/')
+
if __name__ == '__main__':
unittest.main()
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