[iennae]

Description

Deleting a workflow returns a long-running operation that must complete before dependent resources or tests treat the workflow as removed.

Adds delete_workflow.py (workflows_delete_workflow) using workflows_v1.WorkflowsClient.delete_workflow with LRO .result() synchronization, unit tests, and a gated live integration test.

Note: Stacked on #14797 (refactor/workflows-cloud-client-package) so this PR shows only this sample's diff.

Checklist

Testing

• I have tested this change on a live environment and verified it works as intended. Unit and live integration tests pass on Python 3.13.

Compliance & Style

• I have followed the Sample Guidelines.
• The README is updated with all relevant information (if applicable).
• If this PR adds a new sample directory: I updated the CODEOWNERS file. Not applicable: all changes are inside workflows/cloud-client/.

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Post-Approval Actions

• Please merge this PR for me once it is approved

[snippet-bot]

Here is the summary of changes.

You are about to add 1 region tag.

• workflows/cloud-client/src/workflows_samples/delete_workflow.py:15, tag workflows_delete_workflow

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[gemini-code-assist]

Code Review

This pull request introduces a new sample script delete_workflow.py to delete Google Cloud Workflows, along with corresponding unit and live tests in delete_workflow_test.py. The review feedback highlights a missing import of workflows_v1 in the test file that will cause a NameError during execution, and suggests removing a redundant pass statement in one of the test cases.

[gemini-code-assist]

The test file uses workflows_v1.WorkflowsClient in test_delete_workflow_live (line 84), but workflows_v1 is not imported in this file. This will cause a NameError when the test module is loaded. Please import workflows_v1 from google.cloud.

Suggested change

	from google.api_core import exceptions
	import pytest
	from workflows_samples import delete_workflow
	from google.api_core import exceptions
	from google.cloud import workflows_v1
	import pytest
	from workflows_samples import delete_workflow

[gemini-code-assist]

The pass statement is redundant and can be safely removed.

Suggested change

	client = mock_client_class.return_value
	pass
	client = mock_client_class.return_value