tox.ini

[tox]
envlist = clean,{empty,canmatrix,pandas},report

[testenv]
basepython = python3.8
deps =
    pytest
    pytest-cov
    canmatrix: canmatrix
    pandas: pandas
depends =
    {empty,canmatrix,pandas}: clean
    report: {empty,canmatrix,pandas}
setenv =
    canmatrix: OPTIONAL_PACKAGES_AVAILABLE = canmatrix
    pandas: OPTIONAL_PACKAGES_AVAILABLE = pandas
commands = python -m pytest --cov --cov-append --cov-report=term-missing --with-tox

[testenv:clean]
deps = coverage
skip_install = true
commands = coverage erase

[testenv:report]
deps = coverage
skip_install = true
commands =
    coverage report
    coverage html