python / python/cpython

IDLE: Fix devdanzin test issues

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#155,648 0 comments 0 reactions 1 assignee View on GitHub

@terryjreedy is already working on this.

Since Aug 13, 2026.

stdlib topic-IDLE type-bug
Dominant language
Python
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Description

The bug scan found 4 broad issues in idle_test/*. Details in full reports or in numbered links below.

71 CONSIDER idle_test/mock_idle.py:48 The shared test stubs cannot express the conditions the guards under test exist for
72 CONSIDER idle_test/test_searchengine.py:279 A test class freezes text.index to a constant, leaving seven mutations of live code undetected

Fixed:
26 CONSIDER idle_test/test_autocomplete.py:241 Five tests in the suite cannot fail
73 CONSIDER idle_test/test_undo.py Four test files exit 0 even when their tests fail

Linked PRs
  • gh-156249
  • gh-156251
  • gh-156252
  • gh-156253
  • gh-156257
  • gh-156260
  • gh-156315
  • gh-156316
  • gh-156317
  • gh-157204
  • gh-157205
  • gh-157206

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