tests: add system tests for OS Config service v1 (#19)

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Fixes #<issue_number_goes_here> 🦕

Tested by running `export PROJECT_ID="..."` then `nox -s system-3.7`.

packages/google-cloud-os-config/tests/system/test_os_config_service_v1.py

@@ -0,0 +1,100 @@
+# Copyright 2020 Google LLC
+#
+# Licensed 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
+#
+#     https://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
+import uuid
+
+from google.cloud.osconfig_v1.services.os_config_service import OsConfigServiceClient
+from google.cloud.osconfig_v1.types import patch_deployments
+from google.cloud.osconfig_v1.types import patch_jobs
+from google.protobuf import timestamp_pb2 as timestamp  # type: ignore
+
+
+class TestOsConfigServiceV1(object):
+    def test_patch_job(self):
+        project_id = os.environ["PROJECT_ID"]
+        client = OsConfigServiceClient()
+
+        # ExecutePatchJob
+        request = patch_jobs.ExecutePatchJobRequest(
+            parent=f"projects/{project_id}",
+            description="Python Client Library System Test",
+            instance_filter=patch_jobs.PatchInstanceFilter(all=True),
+        )
+        patch_job = client.execute_patch_job(request)
+        assert patch_job is not None
+
+        # GetPatchJob
+        request = patch_jobs.GetPatchJobRequest(name=patch_job.name)
+        patch_job = client.get_patch_job(request)
+        assert patch_job.description == "Python Client Library System Test"
+
+        # ListPatchJobInstanceDetails
+        request = patch_jobs.ListPatchJobInstanceDetailsRequest(parent=patch_job.name)
+        response = client.list_patch_job_instance_details(request)
+        assert len(response.patch_job_instance_details) >= 0
+
+        # CancelPatchJob
+        request = patch_jobs.CancelPatchJobRequest(name=patch_job.name)
+        patch_job = client.cancel_patch_job(request)
+        assert patch_job.state == patch_jobs.PatchJob.State.CANCELED
+
+        # ListPatchJobs
+        request = patch_jobs.ListPatchJobsRequest(parent=f"projects/{project_id}")
+        response = client.list_patch_jobs(request)
+        assert response.patch_jobs
+
+    def test_patch_deployment(self):
+        project_id = os.environ["PROJECT_ID"]
+        client = OsConfigServiceClient()
+
+        patch_deployment = patch_deployments.PatchDeployment(
+            instance_filter=patch_jobs.PatchInstanceFilter(all=True),
+            one_time_schedule=patch_deployments.OneTimeSchedule(
+                execute_time=timestamp.Timestamp(seconds=200000000000)
+            ),
+        )
+        patch_deployment_id = "python-client-library-test-" + str(uuid.uuid1())
+        patch_deployment_name = (
+            f"projects/{project_id}/patchDeployments/{patch_deployment_id}"
+        )
+
+        # CreatePatchDeploymentRequest
+        request = patch_deployments.CreatePatchDeploymentRequest(
+            parent=f"projects/{project_id}",
+            patch_deployment_id=patch_deployment_id,
+            patch_deployment=patch_deployment,
+        )
+        patch_deployment = client.create_patch_deployment(request)
+        assert patch_deployment_id in patch_deployment.name
+
+        # GetPatchDeployment
+        request = patch_deployments.GetPatchDeploymentRequest(
+            name=patch_deployment_name
+        )
+        patch_deployment = client.get_patch_deployment(request)
+        assert patch_deployment_id in patch_deployment.name
+
+        # ListPatchDeployments
+        request = patch_deployments.ListPatchDeploymentsRequest(
+            parent=f"projects/{project_id}"
+        )
+        response = client.list_patch_deployments(request)
+        assert response.patch_deployments
+
+        # DeletePatchDeployment
+        request = patch_deployments.DeletePatchDeploymentRequest(
+            name=patch_deployment_name
+        )
+        client.delete_patch_deployment(request)