Coverage.py
7.3#3 in test coverage toolsFree planFree planAPILinuxmacOSSelf-hosted
VisitCoverage.py vs Istanbul
What both publish
| Fact | Coverage.py | Istanbul |
|---|---|---|
| Integrations | Official examples cover pytest, unittest, and nose, and pytest commonly uses the pytest-cov plugin. | Listed integrations are nyc, c8, Jest and node-tap; c8 uses Istanbul reports to display V8 coverage. |
| License | Coverage.py is licensed under the Apache 2.0 License. | The Istanbul site identifies its license as Revised BSD License. |
| Purpose | Coverage.py measures which parts of Python programs ran and identifies executable code that did not run, commonly to gauge test effectiveness. | Istanbul instruments JavaScript code with line counters to track how well unit tests exercise a codebase. |
| Reports | It can produce text, HTML, XML, LCOV, and JSON reports. | Istanbul provides reporters with terminal and HTML output. |
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Pick Coverage.py if…
Coverage.py is for developers measuring how much of their Python code their tests exercise. Its report formats and dynamic contexts can help teams inspect coverage in different ways.
Pick Istanbul if…
Istanbul suits JavaScript and TypeScript projects that need coverage across several measurement types and report formats. It fits teams using frameworks such as Jest, mocha, tap, or AVA.