mnojek commented on a change in pull request #22311:
URL: https://github.com/apache/airflow/pull/22311#discussion_r831115087



##########
File path: scripts/ci/pre_commit/pre_commit_check_system_tests.py
##########
@@ -0,0 +1,84 @@
+#!/usr/bin/env python3
+# 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 sys
+from pathlib import Path
+from typing import List
+
+from rich.console import Console
+
+if __name__ not in ("__main__", "__mp_main__"):
+    raise SystemExit(
+        "This file is intended to be executed as an executable program. You 
cannot use it as a module."
+        f"To execute this script, run ./{__file__} [FILE] ..."
+    )
+
+
+console = Console(color_system="standard", width=200)
+
+errors: List[str] = []
+
+WATCHER_APPEND_INSTRUCTION = "list(dag.tasks) >> watcher()"
+
+PYTEST_FUNCTION = """
+from tests.system.utils import get_test_run  # noqa: E402
+
+test_run = get_test_run(dag)
+"""
+
+
+def _check_file(file: Path):
+    content = file.read_text()
+    if "from tests.system.utils.watcher import watcher" in content:
+        index = content.find(WATCHER_APPEND_INSTRUCTION)
+        if index == -1:
+            errors.append(
+                f"[red]The example {file} imports tests.system.utils.watcher "
+                f"but does not use it properly![/]\n\n"
+                "[yellow]Make sure you have:[/]\n\n"
+                f"        {WATCHER_APPEND_INSTRUCTION}\n\n"
+                "[yellow]as the last instruction in your example DAG.[/]\n"
+            )
+        else:
+            operator_leftshift_index = content.find("<<", index + 
len(WATCHER_APPEND_INSTRUCTION))
+            operator_rightshift_index = content.find(">>", index + 
len(WATCHER_APPEND_INSTRUCTION))
+            if operator_leftshift_index != -1 or operator_rightshift_index != 
-1:
+                errors.append(
+                    f"[red]In the example {file} "
+                    f"watcher is not the last instruction in your DAG "
+                    f"(there are << or >> operators after it)![/]\n\n"
+                    "[yellow]Make sure you have:[/]\n"
+                    f"        {WATCHER_APPEND_INSTRUCTION}\n\n"
+                    "[yellow]as the last instruction in your example DAG.[/]\n"
+                )
+    if PYTEST_FUNCTION not in content:
+        errors.append(
+            f"[yellow]The example {file} missed the pytest function at the 
end.[/]\n\n"
+            "All example tests should have this function added:\n\n" + 
PYTEST_FUNCTION + "\n\n"
+            "[yellow]Automatically adding it now![/]\n"
+        )
+        file.write_text(content + "\n" + PYTEST_FUNCTION)

Review comment:
       Dedentet this part so it is checked regardlessly if the watcher import 
is there. I believe it was done like this by mistake.




-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]


Reply via email to