| # This function is used for pytest skipif() expressions. |
| # |
| # Tests which require our plugins in tests/plugins/pip-samples need |
| # to check if these plugins are installed, they are only guaranteed |
| # to be installed when running tox, but not when using pytest directly |
| # to test that BuildStream works when integrated in your system. |
| # |
| def pip_sample_packages(): |
| import pkg_resources |
| |
| required = {"sample-plugins"} |
| installed = {pkg.key for pkg in pkg_resources.working_set} # pylint: disable=not-an-iterable |
| missing = required - installed |
| |
| if missing: |
| return False |
| |
| return True |
| |
| |
| SAMPLE_PACKAGES_SKIP_REASON = """ |
| The sample plugins package used to test pip plugin origins is not installed. |
| |
| This is usually tested automatically with `tox`, if you are running |
| `pytest` directly then you can install these plugins directly using pip. |
| |
| The plugins are located in the tests/plugins/sample-plugins directory |
| of your BuildStream checkout. |
| """ |
