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fix(tests): fix flaky test_capture_pane_flags[join_wrapped_numbers]#655

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fix/flaky-join-wrapped-numbers-test
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fix(tests): fix flaky test_capture_pane_flags[join_wrapped_numbers]#655
tony wants to merge 2 commits intomasterfrom
fix/flaky-join-wrapped-numbers-test

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@tony tony commented Apr 1, 2026

Summary

  • Fix race condition in test_capture_pane_flags[join_wrapped_numbers] where the completion marker was detected in the shell command echo before the command actually executed

Test plan

  • uv run py.test tests/test_pane_capture_pane.py -v — all 19 tests pass
  • CI passes

Fixes #654

@tony tony marked this pull request as ready for review April 1, 2026 23:58
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codecov Bot commented Apr 1, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.58%. Comparing base (81d55fa) to head (7bb49f0).

Additional details and impacted files
@@           Coverage Diff           @@
##           master     #655   +/-   ##
=======================================
  Coverage   46.58%   46.58%           
=======================================
  Files          22       22           
  Lines        2372     2372           
  Branches      390      390           
=======================================
  Hits         1105     1105           
  Misses       1098     1098           
  Partials      169      169           

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tony added 2 commits April 26, 2026 05:10
why: The command_complete() check matched the marker string inside the shell
command echo line ($ printf ... echo "__DONE_...") before the command actually
executed. On slower systems or CI, this race condition caused the test to
capture the pane before seq produced output.
what:
- Change marker detection to skip lines starting with $ (shell prompt echo)
- Marker now only matches when it appears as actual command output

Fixes #654
@tony tony force-pushed the fix/flaky-join-wrapped-numbers-test branch from 0cecae7 to 7bb49f0 Compare April 26, 2026 10:22
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Flaky test: test_capture_pane_flags[join_wrapped_numbers] matches marker in command echo

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