depot/third_party/nixpkgs/pkgs/development/python-modules/pytest-cov/default.nix

{
  lib,
  buildPythonPackage,
  fetchPypi,
  pytest,
  coverage,
  toml,
  tomli,
}:

buildPythonPackage rec {
  pname = "pytest-cov";
  version = "4.1.0";
  format = "setuptools";

  src = fetchPypi {
    inherit pname version;
    hash = "sha256-OQSxPfv+xH8AO453/VtYnNEZBKId3xqzimTyBNahDvY=";
  };

  buildInputs = [ pytest ];

  propagatedBuildInputs = [
    coverage
    toml
    tomli
  ];

  # xdist related tests fail with the following error
  # OSError: [Errno 13] Permission denied: 'py/_code'
  doCheck = false;
  checkPhase = ''
    # allow to find the module helper during the test run
    export PYTHONPATH=$PYTHONPATH:$PWD/tests
    py.test tests
  '';

  pythonImportsCheck = [ "pytest_cov" ];

  meta = with lib; {
    description = "Plugin for coverage reporting with support for both centralised and distributed testing, including subprocesses and multiprocessing";
    homepage = "https://github.com/pytest-dev/pytest-cov";
    license = licenses.mit;
  };
}