{ runCommand, autoprefixer }:

let
  inherit (autoprefixer) pname version;
in

runCommand "${pname}-tests" { meta.timeout = 60; } ''
  # get version of installed program and compare with package version
  claimed_version="$(${autoprefixer}/bin/autoprefixer --version | awk '{print $2}')"
  if [[ "$claimed_version" != "${version}" ]]; then
    echo "Error: program version does not match package version ($claimed_version != ${version})"
    exit 1
  fi

  # run dummy commands
  ${autoprefixer}/bin/autoprefixer --help > /dev/null
  ${autoprefixer}/bin/autoprefixer --info > /dev/null

  # Testing the actual functionality is done in the test for postcss
  # because autoprefixer is a postcss plugin

  # needed for Nix to register the command as successful
  touch $out
''