René's URL Explorer Experiment


Title: Increase test coverage

Open Graph Title: Increase test coverage

Description: Python development follows a practice that all semantic changes and additions to the language and stdlib are accompanied by appropriate unit tests. Unfortunately Python was in existence for a long ...

Open Graph Description: Python development follows a practice that all semantic changes and additions to the language and stdlib are accompanied by appropriate unit tests. Unfortunately Python was in existence for a long ...

Opengraph URL: https://devguide.python.org/testing/coverage/

direct link

Domain: devguide.python.org

color-schemelight dark
article:modified_time2026-02-20T13:08:39+00:00
og:typewebsite
og:site_namePython Developer's Guide
og:imagehttps://devguide.python.org/_static/og-image-200x200.png
og:image:altPython Developer's Guide
og:image:width200
og:image:height200
theme-color#3776ab
readthedocs-project-slugcpython-devguide
readthedocs-version-sluglatest
readthedocs-resolver-filename/testing/coverage/index.html
readthedocs-http-status200

Links:

Skip to contenthttps://devguide.python.org/testing/coverage/index.html#furo-main-content
Python Developer's Guidehttps://devguide.python.org/
Python Developer's Guide https://devguide.python.org/
Getting startedhttps://devguide.python.org/getting-started/
Quick referencehttps://devguide.python.org/getting-started/quick-reference/
Setup and buildinghttps://devguide.python.org/getting-started/setup-building/
Fixing “easy” issues (and beyond)https://devguide.python.org/getting-started/fixing-issues/
Git bootcamp and cheat sheethttps://devguide.python.org/getting-started/git-boot-camp/
Lifecycle of a pull requesthttps://devguide.python.org/getting-started/pull-request-lifecycle/
Where to get helphttps://devguide.python.org/getting-started/getting-help/
Guidelines for using AI toolshttps://devguide.python.org/getting-started/ai-tools/
Development workflowhttps://devguide.python.org/developer-workflow/
Following Python’s developmenthttps://devguide.python.org/developer-workflow/communication-channels/
Changing Pythonhttps://devguide.python.org/developer-workflow/lang-changes/
Development cyclehttps://devguide.python.org/developer-workflow/development-cycle/
Adding to the stdlibhttps://devguide.python.org/developer-workflow/stdlib/
Standard library extension moduleshttps://devguide.python.org/developer-workflow/extension-modules/
Changing Python’s C APIhttps://devguide.python.org/developer-workflow/c-api/
Changing CPython’s grammarhttps://devguide.python.org/developer-workflow/grammar/
Porting and platform supporthttps://devguide.python.org/developer-workflow/porting/
Issues and triaginghttps://devguide.python.org/triage/
Issue trackerhttps://devguide.python.org/triage/issue-tracker/
Triaging an issuehttps://devguide.python.org/triage/triaging/
GitHub labelshttps://devguide.python.org/triage/labels/
Triage Teamhttps://devguide.python.org/triage/triage-team/
Documentationhttps://devguide.python.org/documentation/
Getting startedhttps://devguide.python.org/documentation/start-documenting/
Helping with documentationhttps://devguide.python.org/documentation/help-documenting/
Style guidehttps://devguide.python.org/documentation/style-guide/
reStructuredText markuphttps://devguide.python.org/documentation/markup/
Translationshttps://devguide.python.org/documentation/translations/
Translatinghttps://devguide.python.org/documentation/translations/translating/
Coordinatinghttps://devguide.python.org/documentation/translations/coordinating/
Helping with the Developer’s Guidehttps://devguide.python.org/documentation/devguide/
Testing and buildbotshttps://devguide.python.org/testing/
Running and writing testshttps://devguide.python.org/testing/run-write-tests/
Silence warnings from the test suitehttps://devguide.python.org/testing/silence-warnings/
Increase test coveragehttps://devguide.python.org/testing/coverage/index.html
OSS-Fuzz for CPythonhttps://devguide.python.org/testing/oss-fuzz/
Working with buildbotshttps://devguide.python.org/testing/buildbots/
New buildbot workershttps://devguide.python.org/testing/new-buildbot-worker/
Development toolshttps://devguide.python.org/development-tools/
Argument Clinichttps://devguide.python.org/development-tools/clinic/
Tutorialhttps://devguide.python.org/development-tools/clinic/tutorial/
How-to guideshttps://devguide.python.org/development-tools/clinic/howto/
GDB supporthttps://devguide.python.org/development-tools/gdb/
Dynamic analysis with Clanghttps://devguide.python.org/development-tools/clang/
Tools for tracking compiler warningshttps://devguide.python.org/development-tools/warnings/
Core teamhttps://devguide.python.org/core-team/
Responsibilitieshttps://devguide.python.org/core-team/responsibilities/
Accepting pull requestshttps://devguide.python.org/core-team/committing/
Experts indexhttps://devguide.python.org/core-team/experts/
Team loghttps://devguide.python.org/core-team/team-log/
Motivations and affiliationshttps://devguide.python.org/core-team/motivations/
How to join the core teamhttps://devguide.python.org/core-team/join-team/
Memorializationhttps://devguide.python.org/core-team/memorialization/
Securityhttps://devguide.python.org/security/
Security policyhttps://devguide.python.org/security/policy/
Python Security Response Team (PSRT)https://devguide.python.org/security/psrt/
Software Bill-of-Materials (SBOM)https://devguide.python.org/security/sbom/
CPython’s internalshttps://devguide.python.org/internals/
Status of Python versionshttps://devguide.python.org/versions/
Back to top https://devguide.python.org/testing/coverage/index.html
View this page https://github.com/python/devguide/blob/main/testing/coverage.rst?plain=true
Edit this page https://github.com/python/devguide/edit/main/testing/coverage.rst
https://devguide.python.org/testing/coverage/index.html#increase-test-coverage
https://devguide.python.org/testing/coverage/index.html#common-gotchas
https://devguide.python.org/testing/coverage/index.html#measuring-coverage
stathttps://docs.python.org/3/library/stat.html#module-stat
https://devguide.python.org/testing/coverage/index.html#using-coverage-py
coverage.pyhttps://coverage.readthedocs.io/en/latest/
branch coveragehttps://devguide.python.org/testing/coverage/index.html#branch-coverage
use test.regrtesthttps://devguide.python.org/testing/coverage/index.html#coverage-by-regrtest
https://devguide.python.org/testing/coverage/index.html#install-coverage
mosthttps://devguide.python.org/getting-started/setup-building/#mac-python-exe
Virtual Environmenthttps://docs.python.org/3/tutorial/venv.html
https://devguide.python.org/testing/coverage/index.html#basic-usage
https://devguide.python.org/testing/coverage/index.html#branch-coverage
https://devguide.python.org/testing/coverage/index.html#using-test-regrtest
testhttps://docs.python.org/3/library/test.html#module-test
python/cpython#54750https://github.com/python/cpython/issues/54750
python/cpython#55200https://github.com/python/cpython/issues/55200
https://devguide.python.org/testing/coverage/index.html#filing-the-issue
issue trackerhttps://github.com/python/cpython/issues
pull requesthttps://devguide.python.org/getting-started/pull-request-lifecycle/#pullrequest
https://devguide.python.org/testing/coverage/index.html#measuring-coverage-of-c-code-with-gcov-and-lcov
gcovhttps://gcc.gnu.org/onlinedocs/gcc/Gcov.html
lcovhttps://github.com/linux-test-project/lcov
Next OSS-Fuzz for CPython https://devguide.python.org/testing/oss-fuzz/
Previous Silence warnings from the test suite https://devguide.python.org/testing/silence-warnings/
Sphinxhttps://www.sphinx-doc.org/
@pradyunsghttps://pradyunsg.me
Furohttps://github.com/pradyunsg/furo
Increase test coveragehttps://devguide.python.org/testing/coverage/index.html
Common gotchashttps://devguide.python.org/testing/coverage/index.html#common-gotchas
Measuring coveragehttps://devguide.python.org/testing/coverage/index.html#measuring-coverage
Using coverage.pyhttps://devguide.python.org/testing/coverage/index.html#using-coverage-py
Install coveragehttps://devguide.python.org/testing/coverage/index.html#install-coverage
Basic usagehttps://devguide.python.org/testing/coverage/index.html#basic-usage
Branch coveragehttps://devguide.python.org/testing/coverage/index.html#branch-coverage
Using test.regrtesthttps://devguide.python.org/testing/coverage/index.html#using-test-regrtest
Filing the issuehttps://devguide.python.org/testing/coverage/index.html#filing-the-issue
Measuring coverage of C code with gcov and lcovhttps://devguide.python.org/testing/coverage/index.html#measuring-coverage-of-c-code-with-gcov-and-lcov

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