pytestadapter: Read pipe in non-blocking mode so tests don't hang if the subprocess fails to open the pipe for writing.#25725
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garyvdm commented Jan 10, 2026
@microsoft-github-policy-service agree |
…ipe code encapuslated.
…the subprocess fails to open the pipe for writing.
garyvdmforce-pushed the test_non_block_io branch from 999c9f6 to 31e861aCompareSign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment
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When running the pytest adapter tests, if subprocess fails to open the pipe for writing, then the the open call for reading the pipe blocks, and the tests hang. This PR fixes that by using non-blocking IO when reading the pipe. This should make debugging the tests easier.
This also address 2 other minor issues: