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[yaml] fix documentation and tests for flags #40617

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[yaml] fix documentation and tests for flags #40617

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7 changes: 6 additions & 1 deletion sdks/python/apache_beam/yaml/main_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -172,7 +172,12 @@ def test_jinja_datetime(self):
fin.read().strip(), datetime.datetime.now().strftime("%Y-%m-%d"))

def test_inline_test_specs(self):
main.run_tests(['--yaml_pipeline', TEST_PIPELINE, '--test'], exit=False)
for flag in ['--tests', '--test']:

@damccorm damccorm Oct 21, 2026

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Why do we have 2 different ways of doing this? Could you add some context?

known_args, pipeline_args = main._parse_arguments(
['--yaml_pipeline', TEST_PIPELINE, flag])
self.assertTrue(known_args.tests)
self.assertEqual(pipeline_args, [])
main.run_tests(['--yaml_pipeline', TEST_PIPELINE, flag], exit=False)

def test_external_test_specs(self):
with tempfile.TemporaryDirectory() as tmpdir:
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6 changes: 3 additions & 3 deletions website/www/site/content/en/documentation/sdks/yaml-testing.md
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Expand Up @@ -108,15 +108,15 @@ Neither the actual Read transform nor Write transform from the original
pipelines are executed when running the test, but all intermediate transforms
are.

This test can then be executed by running
This test can then be executed with the `--tests` (or `--test`) flag by running

```
python -m apache_beam.yaml.main \
--yaml_pipeline_file=wordcount.yaml \
--tests
```

Alternatively, the a `tests:` block may be placed in a separate file and be
Alternatively, a `tests:` block may be placed in a separate file and be
validated by running

```
Expand Down Expand Up @@ -279,7 +279,7 @@ tests:
- name: Upper
elements: [element: A, element: Z]

- name: TestMultipelOuptuts
- name: TestMultipleOutputs
mock_inputs:
- name: Upper
elements: [element: m, element: nnn]
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