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Set COVERAGE_CORE=sysmon for faster test coverage on 3.12+ #172

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merged 2 commits into from
Feb 24, 2024

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@hugovk hugovk commented Feb 24, 2024

Python 3.12 introduced sys.monitoring, that tools like coverage.py can use to improve performance.

It's not yet the default in coverage.py. To enable, we can set a COVERAGE_CORE=sysmon environment variable, that will switch to the faster mode when available, that is, in Python 3.12 and newer. Older versions will stick to the older method.

Not a huge difference with these fast tests, but reduces from ~2.93s seconds to 1.86s, about a third.

@hugovk hugovk added changelog: skip Exclude PR from release draft testing Unit tests, linting, CI, etc. labels Feb 24, 2024
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codecov bot commented Feb 24, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.19%. Comparing base (7cfa397) to head (2918ca3).
Report is 1 commits behind head on main.

Additional details and impacted files
@@           Coverage Diff           @@
##             main     #172   +/-   ##
=======================================
  Coverage   99.19%   99.19%           
=======================================
  Files           9        9           
  Lines         746      746           
=======================================
  Hits          740      740           
  Misses          6        6           
Flag Coverage Δ
macos-latest 97.58% <ø> (ø)
ubuntu-latest 97.58% <ø> (ø)
windows-latest 96.11% <ø> (ø)

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@hugovk hugovk merged commit 584d470 into python-humanize:main Feb 24, 2024
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@hugovk hugovk deleted the coverage-sysmon branch February 24, 2024 10:09
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