Source code for tests.system.providers.google.cloud.transfers.example_gdrive_to_local

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"""
Example DAG using GoogleDriveToLocalOperator.

Using this operator requires the following additional scopes:
https://www.googleapis.com/auth/drive
"""
from __future__ import annotations

import os
from datetime import datetime
from pathlib import Path

from airflow import models
from airflow.models.baseoperator import chain
from airflow.providers.google.cloud.operators.gcs import GCSCreateBucketOperator, GCSDeleteBucketOperator
from airflow.providers.google.cloud.transfers.gdrive_to_local import GoogleDriveToLocalOperator
from airflow.providers.google.cloud.transfers.local_to_gcs import LocalFilesystemToGCSOperator
from airflow.providers.google.suite.sensors.drive import GoogleDriveFileExistenceSensor
from airflow.providers.google.suite.transfers.gcs_to_gdrive import GCSToGoogleDriveOperator
from airflow.utils.trigger_rule import TriggerRule

[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT")
[docs]FILE_NAME = "empty.txt"
[docs]OUTPUT_FILE = "out_file.txt"
[docs]DAG_ID = "example_gdrive_to_local"
[docs]BUCKET_NAME = f"bucket_{DAG_ID}_{ENV_ID}"
[docs]LOCAL_PATH = str(Path(__file__).parent / "resources" / FILE_NAME)
with models.DAG( DAG_ID, start_date=datetime(2021, 1, 1), schedule="@once", catchup=False, tags=["example"], ) as dag:
[docs] create_bucket = GCSCreateBucketOperator( task_id="create_bucket", bucket_name=BUCKET_NAME, project_id=PROJECT_ID
) upload_file = LocalFilesystemToGCSOperator( task_id="upload_file", src=LOCAL_PATH, dst=FILE_NAME, bucket=BUCKET_NAME, ) copy_single_file = GCSToGoogleDriveOperator( task_id="copy_single_file", source_bucket=BUCKET_NAME, source_object=FILE_NAME, destination_object=FILE_NAME, ) # [START detect_file] detect_file = GoogleDriveFileExistenceSensor( task_id="detect_file", folder_id="", file_name=FILE_NAME, ) # [END detect_file] # [START download_from_gdrive_to_local] download_from_gdrive_to_local = GoogleDriveToLocalOperator( task_id="download_from_gdrive_to_local", folder_id="", file_name=FILE_NAME, output_file=OUTPUT_FILE, ) # [END download_from_gdrive_to_local] delete_bucket = GCSDeleteBucketOperator( task_id="delete_bucket", bucket_name=BUCKET_NAME, trigger_rule=TriggerRule.ALL_DONE ) chain( # TEST SETUP create_bucket, upload_file, copy_single_file, # TEST BODY detect_file, download_from_gdrive_to_local, # TEST TEARDOWN delete_bucket, ) from tests.system.utils.watcher import watcher # This test needs watcher in order to properly mark success/failure # when "tearDown" task with trigger rule is part of the DAG list(dag.tasks) >> watcher() from tests.system.utils import get_test_run # noqa: E402 # Needed to run the example DAG with pytest (see: tests/system/README.md#run_via_pytest)
[docs]test_run = get_test_run(dag)

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