[Asset] Add requirements.txt [(#1834)](#1834)

Adds asset quickstart

Author: peter-zheng-g

asset/snippets/snippets/quickstart_exportassets.py

@@ -23,15 +23,15 @@ def export_assets(project_id, dump_file_path):
     from google.cloud import asset_v1beta1
     from google.cloud.asset_v1beta1.proto import asset_service_pb2
 
-    # TODO project_id = "Your Google Cloud Project ID"
-    # TODO dump_file_path = "Your asset dump file path"
+    # TODO project_id = 'Your Google Cloud Project ID'
+    # TODO dump_file_path = 'Your asset dump file path'
 
     client = asset_v1beta1.AssetServiceClient()
     parent = client.project_path(project_id)
     output_config = asset_service_pb2.OutputConfig()
     output_config.gcs_destination.uri = dump_file_path
     response = client.export_assets(parent, output_config)
-    print(response.result)
+    print(response.result())
     # [END asset_quickstart_exportassets]
 
 
@@ -42,9 +42,10 @@ def export_assets(project_id, dump_file_path):
         formatter_class=argparse.RawDescriptionHelpFormatter
     )
     parser.add_argument('project_id', help='Your Google Cloud project ID')
-    parser.add_argument('dump_file_path',
-                        help='The file ExportAssets API will dump assets to, '
-                        'e.g.: gs://<bucket-name>/asset_dump_file')
+    parser.add_argument(
+        'dump_file_path',
+        help='The file ExportAssets API will dump assets to, '
+        'e.g.: gs://<bucket-name>/asset_dump_file')
 
     args = parser.parse_args()
 

asset/snippets/snippets/quickstart_exportassets_test.py

@@ -15,14 +15,15 @@
 # limitations under the License.
 
 import os
+import time
 
 from google.cloud import storage
 import pytest
 
 import quickstart_exportassets
 
 PROJECT = os.environ['GCLOUD_PROJECT']
-BUCKET = 'bucket-for-assets'
+BUCKET = 'assets-{}'.format(int(time.time()))
 
 
 @pytest.fixture(scope='module')
@@ -36,15 +37,16 @@ def asset_bucket(storage_client):
 
     try:
         storage_client.delete_bucket(BUCKET)
-    except Exception:
-        pass
+    except Exception as e:
+        print('Failed to delete bucket{}'.format(BUCKET))
+        raise e
 
     yield BUCKET
 
 
 def test_export_assets(asset_bucket, capsys):
-    dump_file_path = "gs://", asset_bucket, "/assets-dump.txt"
+    dump_file_path = 'gs://{}/assets-dump.txt'.format(asset_bucket)
     quickstart_exportassets.export_assets(PROJECT, dump_file_path)
     out, _ = capsys.readouterr()
 
-    assert "uri: \"gs://cai-prober-prod-for-assets/phython-test.txt\"" in out
+    assert dump_file_path in out

asset/snippets/snippets/requirements.txt

@@ -0,0 +1,2 @@
+google-cloud-storage==1.13.0
+google-cloud-asset==0.1.1