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codecov
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Python coverage example

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Codecov Python Example

FOSSA Status

Guide

Travis Setup

Add the following to your

.travis.yml
:
yml
language:
  python
after_success:
  - bash 

Produce Coverage Reports

coverage.py is required to collect coverage metrics.

Below are some examples on how to include coverage tracking during your tests. Codecov will call

coveragexml -i
automatically to generate the coverage xml output, which will be archived and processed server side.

You may need to configure a

.coveragerc
file. Learn more here. Start with this generic .coveragerc for example.

We highly suggest adding

source
to your
.coveragerc
which solves a number of issues collecting coverage.
[run]
source=your_package_name

unittests

pip install coverage
coverage run tests.py

pytest

pytest --cov=./

nosetests

nosetest --with-coverage

See the Offical Nose coverage docs for more information.

Testing with
tox

Codecov can be run from inside your

tox.ini
please make sure you pass all the necessary environment variables through:
ini
[testenv]
passenv = CI TRAVIS TRAVIS_*
deps = codecov
commands = codecov

FAQ

  • Q: What's the difference between the codecov-bash and codecov-python uploader?
    A: As far as python is concerned, nothing. You may choose to use either uploader. Codecov recommends using the bash uploader when possible as it supports more unique repository setups. Learn more at codecov/codecov-bash and codecov/codecov-python.
  • Q: Why am I seeing
    No data to report
    ?
    A: This output is written by running the command
    coverage xml
    and states that there were no
    .coverage
    files found.
    1. Make sure coverage is enabled. See Enabling Coverage
    2. You may need to run
      coverage combine
      before running Codecov.
    3. Using Docker? Please follow this step: Testing with Docker: Codecov Inside Docker.
  • Q: Can I upload my
    .coverage
    files?
    A: No, these files contain coverage data but are not properly mapped back to the source code. We rely on
    coveragepy
    to handle this by calling
    coverage xml
    in the uploader.

Caveats

Private Repo

Repository tokens are required for (a) all private repos, (b) public repos not using Travis-CI, CircleCI or AppVeyor. Find your repository token at Codecov and provide via appending

-t 
to you where you upload reports.

Cobertura Reports

Cobertura reports can expire - Codecov will reject reports that are older than 12 hours. The logs contain details if a report expired.

Links

License

FOSSA Status

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