[GitHub] [airflow] josh-fell commented on a diff in pull request #25345: Convert Local to S3 example DAG to System Test (AIP-47)

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

josh-fell commented on code in PR #25345:
URL: https://github.com/apache/airflow/pull/25345#discussion_r933303535


##########
tests/system/providers/amazon/aws/example_local_to_s3.py:
##########
@@ -0,0 +1,101 @@
+# 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 os
+from datetime import datetime
+
+from airflow import DAG
+from airflow.decorators import task
+from airflow.models.baseoperator import chain
+from airflow.providers.amazon.aws.operators.s3 import S3CreateBucketOperator, S3DeleteBucketOperator
+from airflow.providers.amazon.aws.transfers.local_to_s3 import LocalFilesystemToS3Operator
+from airflow.utils.trigger_rule import TriggerRule
+from tests.system.providers.amazon.aws.utils import SystemTestContextBuilder
+
+sys_test_context_task = SystemTestContextBuilder().build()
+
+
+DAG_ID = 'example_local_to_s3'
+TEMP_FILE_PATH = '/tmp/sample-txt.txt'
+SAMPLE_TEXT = 'This is some sample text.'
+
+
+@task
+def create_temp_file():
+    file = open(TEMP_FILE_PATH, 'w')
+    file.write(SAMPLE_TEXT)
+
+
+@task(trigger_rule=TriggerRule.ALL_DONE)
+def delete_temp_file():
+    if os.path.exists(TEMP_FILE_PATH):
+        os.remove(TEMP_FILE_PATH)
+
+
+with DAG(
+    dag_id=DAG_ID,
+    schedule_interval='@once',
+    start_date=datetime(2021, 1, 1),  # Override to match your needs
+    tags=['example'],
+    catchup=False,
+) as dag:
+    test_context = sys_test_context_task()
+    env_id = test_context['ENV_ID']
+
+    s3_bucket_name = f'{env_id}-bucket'
+    s3_key = f'{env_id}/files/my-temp-file.txt'
+
+    create_s3_bucket = S3CreateBucketOperator(task_id='create-s3-bucket', bucket_name=s3_bucket_name)
+    # [START howto_transfer_local_to_s3]

Review Comment:
   These `START/END` markers in example DAGs are used in the Airflow docs as reference to code snippets. Since the example DAG moved, you'll need to update the [corresponding doc](https://github.com/apache/airflow/blob/main/docs/apache-airflow-providers-amazon/operators/transfer/local_to_s3.rst) to have this code reference point to the new file location of the markers.



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