Test a Python package using tox#

This workflow makes it easy to map tox environments to GitHub Actions jobs. To use this template, your repository will need to have a tox.ini file.

jobs:
  test:
    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
    with:
      posargs: '-n 4'
      envs: |
        - linux: pep8
          pytest: false
        - macos: py310
        - windows: py39-docs
          libraries:
            choco:
              - graphviz
      coverage: 'codecov'
    secrets:
      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

Inputs#

A specification of tox environments must be passed to the envs input. There are a number of other inputs. All of these inputs (except submodules and working-directory) can also be specified under each tox environment to overwrite the global value.

In the following example test1 will pass --arg-local to pytest, while test2 will pass --arg-global to pytest,

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  posargs: '--arg-global'
  envs: |
    - linux: test1
      posargs: '--arg-local'
    - linux: test2

envs#

Array of tox environments to test. Required input.

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  envs: |
    - <os>: <toxenv>
    - <os>: <toxenv>

where <os> is the either linux, macos or windows, and <toxenv> is the name of the tox environment to run.

Note: envs is a string and must be specified as a literal block scalar using the |. (Without the |, it must also be valid YAML.)

Example:

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  envs: |
    - linux: pep8
    - linux: py39
    - macos: py38-docs
      name: build_docs
    - windows: py310-conda

The name of the GitHub Actions job can be changed with the name option as shown above. By default, name will be the name of the tox environment.

If the Python version includes a t suffix, such as py313t, then a free-threaded Python interpreter will be used.

libraries#

Additional packages to install using apt (only on Linux), brew and brew cask (only on macOS), and choco (only on Windows).

Global definition:

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  libraries: |
    apt:
      - package1
      - package2
    brew:
      - package3
    brew-cask:
      - package4
    choco:
      - package5

Note: libraries is a string and must be specified as a literal block scalar using the |. (Without the |, it must also be valid YAML.)

envs definition:

with:
  envs: |
    - linux: py39
      libraries:
        apt:
          - package1

posargs#

Positional arguments for the {posargs} replacement in an underlying test command within tox. Default is none.

toxdeps#

Additional tox dependencies. This string is included at the end of the pip install command when installing tox. Default is none. For example, to leverage the uv package manager you can specify toxdeps: tox-uv to use the tox-uv plugin.

toxargs#

Positional arguments for tox. Default is none.

pytest#

Whether pytest is run by the tox environment. This determines if additional pytest positional arguments should be passed to tox. These arguments are to assist with saving test coverage reports. Default is true.

pytest-results-summary#

Whether test results from pytest are shown in the $GITHUB_STEP_SUMMARY. Default is false.

This option has no effect if pytest is false.

coverage#

A space separated list of coverage providers to upload to, either codecov or github. Default is to not upload coverage reports.

conda#

Whether to test within a conda environment using tox-conda. Options are 'auto' (default), 'true' and 'false'.

If 'auto', conda will be used if the tox environment names contains “conda”. For example, 'auto' would enable conda for tox environments named py39-conda, conda-test or even py38-secondary.

setenv#

A map of environment variables to be available when testing. Default is none.

Global definition:

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  setenv: |
    VAR1: test
    VAR2: |
      first line
      seconds line
    VAR3: testing

Note: setenv is a string and must be specified as a literal block scalar using the |. (Without the |, it must also be valid YAML.)

envs definition:

with:
  envs: |
    - linux: py39
      setenv: |
        VAR1: test
        VAR2: |
          first line
          seconds line
        VAR3: testing

display#

Whether to setup a headless display. This uses the pyvista/setup-headless-display-action@v1 GitHub Action. Default is false.

cache-path#

A list of files, directories, and wildcard patterns to cache and restore. Passed to actions/cache path input. Optional.

In this example, during the core_test job the sample_data is retrieved as usual and cached at the end of the job, however, during the detailed_tests jobs the sample_data is restored from the cache:

jobs:
  core_test:
    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
    with:
      cache-path: sample_data/
      cache-key: sample-${{ github.run_id }}
      envs: |
        - linux: py39
  detailed_tests:
    needs: [core_test]
    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
    with:
      cache-path: sample_data/
      cache-key: sample-${{ github.run_id }}
      envs: |
        - macos: py39
        - windows: py39

In this example, the particular set of sample_data and processed_data needed for the job are restored from the cache if the manifest file has not been modified. As the repository is not checked out when calling the workflow, we need to find the hash of the files in a separate job:

jobs:
  setup:
    runs-on: ubuntu-latest
    outputs:
      data-hash: ${{ steps.data-hash.outputs.hash }}
      compressed-data-hash: ${{ steps.compressed-data-hash.outputs.hash }}
    steps:
      - uses: actions/checkout@v3
      - id: data-hash
        run: echo "hash=${{ hashFiles('**/data_urls.json') }}" >> $GITHUB_OUTPUT
      - id: compressed-data-hash
        run: echo "hash=${{ hashFiles('**/compressed_data_urls.json') }}" >> $GITHUB_OUTPUT
  tests:
    needs: [setup]
    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
    with:
      cache-path: |
        sample_data/
        processed_data/
      envs: |
        - linux: py39
          cache-key: full-sample-${{ needs.setup.outputs.data-hash }}
        - linux: py39-compressed
          cache-key: compressed-sample-${{ needs.setup.outputs.compressed-data-hash }}

cache-key#

An explicit key for restoring and saving the cache. Passed to actions/cache key input. Optional.

cache-restore-keys#

An ordered list of keys to use for restoring the cache if no cache hit occurred for key. Passed to actions/cache restore-keys input. Optional.

artifact-path#

A list of files, directories, and wildcard patterns to upload as artifacts. Passed to actions/upload-artifact path input. Optional.

It can be defined globally:

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  artifact-path: path/output/bin/

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  artifact-path: |
    path/output/bin/
    path/output/test-results
    !path/**/*.tmp

envs definition:

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  envs: |
    - windows: py39
      artifact-path: |
        path/output/bin/
        path/output/test-results
        !path/**/*.tmp

runs-on#

Choose an alternative image for the runner to use for each OS. By default, linux is ubuntu-latest, macos is macos-latest and windows is windows-latest. None, some or all OS images can be specified, and the global value can be overridden in each environment.

It can be defined globally:

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  runs-on: |
    linux: ubuntu-18.04
    macos: macos-10.15
    windows: windows-2022

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  runs-on: |
    macos: macos-10.15

Note: runs-on is a string and must be specified as a literal block scalar using the |. (Without the |, it must also be valid YAML.)

envs definition:

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  envs: |
    - windows: py39
      runs-on: windows-2022

default_python#

The version of Python to use if the tox environment name does not start with py(2|3)[0-9]+ or python-version is not set for the tox environment. Default is 3.x.

For example, a tox environment py39-docs will run on Python 3.9, while a tox environment build_docs will refer to the value of default_python. The default_python can also be defined within envs, however, a Python version specified in the tox environment name takes priority.

To force a particular Python version for a tox environment, the python-version can be included in the definition of the specific environment. The value of the python-version input will override both the Python version in the tox environment name and any default_python inputs. See actions/setup-python for a full list of supported values for python-version. In this example, the development version of Python 3.11 and the PyPy implementation of Python 3.9 will be tested:

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  envs: |
    - linux: py311
      python-version: '3.11-dev'
    - linux: pypy39
      python-version: 'pypy-3.9'

fail-fast#

Whether to cancel all in-progress jobs if any job fails. Default is false.

timeout-minutes#

The maximum number of minutes to let a job run before GitHub automatically cancels it. Default is 360.

submodules#

Whether to checkout submodules. Default is true.

working-directory#

The working directory for running tox, relative to the repository root. Default is . (the repository root).

This is useful when your package is located in a subdirectory of the repository, such as in monorepos where multiple packages exist in the same repository, or when using a non-standard project layout.

uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
with:
  working-directory: packages/my-package
  envs: |
    - linux: py312

Secrets#

CODECOV_TOKEN#

If your repository is private, in order to upload to Codecov you need to set the CODECOV_TOKEN environment variable or pass it as a secret to the workflow.

Test a Python package using tox#

Inputs#

envs#

libraries#

posargs#

toxdeps#

toxargs#

pytest#

pytest-results-summary#

coverage#

conda#

setenv#

display#

cache-path#

cache-key#

cache-restore-keys#

artifact-path#

runs-on#

default_python#

fail-fast#

timeout-minutes#

submodules#

working-directory#

Secrets#

CODECOV_TOKEN#

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