[GitHub] ashb commented on a change in pull request #3823: [AIRFLOW-2985] Operators for S3 object copying/deleting

[GitBox <gi...@apache.org>]

ashb commented on a change in pull request #3823: [AIRFLOW-2985] Operators for S3 object copying/deleting
URL: https://github.com/apache/incubator-airflow/pull/3823#discussion_r216246069
 
 

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 File path: tests/contrib/operators/test_s3_delete_objects_operator.py
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 @@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+import io
+import unittest
+
+import boto3
+from moto import mock_s3
+
+from airflow.contrib.operators.s3_delete_objects_operator import S3DeleteObjectsOperator
+
+
+class TestS3DeleteObjectsOperator(unittest.TestCase):
+
+    @mock_s3
+    def test_s3_delete_single_object(self):
+        bucket = "testbucket"
+        key = "path/data.txt"
+
+        conn = boto3.client('s3')
+        conn.create_bucket(Bucket=bucket)
+        conn.upload_fileobj(Bucket=bucket,
+                            Key=key,
+                            Fileobj=io.BytesIO(b"input"))
+
+        # The object should be detected before the DELETE action is taken
+        objects_in_dest_bucket = conn.list_objects(Bucket=bucket,
+                                                   Prefix=key)
+        self.assertEqual(len(objects_in_dest_bucket['Contents']), 1)
+        self.assertEqual(objects_in_dest_bucket['Contents'][0]['Key'], key)
+
+        t = S3DeleteObjectsOperator(task_id="test_task_s3_delete_single_object",
+                                    bucket=bucket,
+                                    keys=key)
+        t.execute(None)
+
+        # There should be no object found in the bucket created earlier
+        self.assertFalse('Contents' in conn.list_objects(Bucket=bucket,
+                                                         Prefix=key))
+
+    @mock_s3
+    def test_s3_delete_multiple_objects(self):
+        bucket = "testbucket"
+        key_pattern = "path/data"
+        n_keys = 3
+        keys = [key_pattern + str(i) for i in range(n_keys)]
+
+        conn = boto3.client('s3')
+        conn.create_bucket(Bucket=bucket)
+        for k in keys:
+            conn.upload_fileobj(Bucket=bucket,
+                                Key=k,
+                                Fileobj=io.BytesIO(b"input"))
+
+        # The objects should be detected before the DELETE action is taken
+        objects_in_dest_bucket = conn.list_objects(Bucket=bucket,
+                                                   Prefix=key_pattern)
+        self.assertEqual(len(objects_in_dest_bucket['Contents']), n_keys)
+        self.assertEqual(sorted([x['Key'] for x in objects_in_dest_bucket['Contents']]),
+                         sorted(keys))
+
+        t = S3DeleteObjectsOperator(task_id="test_task_s3_delete_multiple_objects",
+                                    bucket=bucket,
+                                    keys=keys)
+        t.execute(None)
+
+        # There should be no object found in the bucket created earlier
+        self.assertFalse('Contents' in conn.list_objects(Bucket=bucket,
+                                                         Prefix=key_pattern))
 
 Review comment:
   Confirmed, sounds good.

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