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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 into
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fix/flaky-join-wrapped-numbers-test

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@tony

@tony tony commented Apr 1, 2026

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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 Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 52.36%. Comparing base (d8b7127) to head (a468e8e).

Additional details and impacted files
@@            Coverage Diff             @@
##           master     #655      +/-   ##
==========================================
- Coverage   52.44%   52.36%   -0.09%     
==========================================
  Files          26       26              
  Lines        3726     3726              
  Branches      747      747              
==========================================
- Hits         1954     1951       -3     
- Misses       1468     1471       +3     
  Partials      304      304              

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@tony
tony force-pushed the fix/flaky-join-wrapped-numbers-test branch from 0cecae7 to 7bb49f0 Compare April 26, 2026 10:22
@tony
tony force-pushed the fix/flaky-join-wrapped-numbers-test branch from 7bb49f0 to 33e94ab Compare May 10, 2026 16:02
@tony
tony force-pushed the fix/flaky-join-wrapped-numbers-test branch from 33e94ab to cb5ebd4 Compare May 30, 2026 11:54
@tony
tony force-pushed the fix/flaky-join-wrapped-numbers-test branch from cb5ebd4 to 6c451e1 Compare July 4, 2026 13:40
tony added 2 commits July 18, 2026 05:25
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 6c451e1 to a468e8e Compare July 18, 2026 11:02
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Flaky test: test_capture_pane_flags[join_wrapped_numbers] matches marker in command echo

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