Function test_download2

tests/test_resolver.py:545–594

()

def test_download2():
    # type: () -> None
    project1_sdist = create_sdist(
        name="project1", version="1.0.0", extras_require={"foo": ["project2"]}
    )
    project2_wheel = build_wheel(
        name="project2",
        version="2.0.0",
        # This is the last version of setuptools compatible with Python 2.7.
        install_reqs=["setuptools==44.1.0"],
    )

    downloaded_by_target = defaultdict(list)  # type: DefaultDict[Target, List[Distribution]]
    result = download(
        requirements=[parse_requirement_string("{}[foo]".format(project1_sdist))],
        repos_configuration=ReposConfiguration.create(
            indexes=[Repo(PYPI)], find_links=[Repo(os.path.dirname(project2_wheel))]
        ),
        resolver=ConfiguredResolver.default(),
    )
    for local_distribution in result.local_distributions:
        distribution = Distribution.load(local_distribution.path)
        downloaded_by_target[local_distribution.target].append(distribution)

    assert 1 == len(downloaded_by_target)

    target, distributions = downloaded_by_target.popitem()
    assert targets.current() == target

    distributions_by_name = {
        distribution.project_name: distribution for distribution in distributions
    }
    assert 3 == len(distributions_by_name)

    def assert_dist(
        project_name,  # type: str
        version,  # type: str
        is_wheel,  # type: bool
    ):
        # type: (...) -> None

        dist = distributions_by_name[project_name]
        assert version == dist.version
        assert is_wheel == (
            dist_metadata.is_wheel(dist.location) and zipfile.is_zipfile(dist.location)
        )

    assert_dist("project1", "1.0.0", is_wheel=False)
    assert_dist("project2", "2.0.0", is_wheel=True)
    assert_dist("setuptools", "44.1.0", is_wheel=True)


@pytest.mark.skipif(