test_working_set.py 文件源码

def parametrize_test_working_set_resolve(*test_list):
    idlist = []
    argvalues = []
    for test in test_list:
        (
            name,
            installed_dists,
            installable_dists,
            requirements,
            expected1, expected2
        ) = [
            strip_comments(s.lstrip()) for s in
            textwrap.dedent(test).lstrip().split('\n\n', 5)
        ]
        installed_dists = list(parse_distributions(installed_dists))
        installable_dists = list(parse_distributions(installable_dists))
        requirements = list(pkg_resources.parse_requirements(requirements))
        for id_, replace_conflicting, expected in (
            (name, False, expected1),
            (name + '_replace_conflicting', True, expected2),
        ):
            idlist.append(id_)
            expected = strip_comments(expected.strip())
            if re.match('\w+$', expected):
                expected = getattr(pkg_resources, expected)
                assert issubclass(expected, Exception)
            else:
                expected = list(parse_distributions(expected))
            argvalues.append(pytest.param(installed_dists, installable_dists,
                                          requirements, replace_conflicting,
                                          expected))
    return pytest.mark.parametrize('installed_dists,installable_dists,'
                                   'requirements,replace_conflicting,'
                                   'resolved_dists_or_exception',
                                   argvalues, ids=idlist)