from wheel.metadata import pkginfo_to_metadata


def test_pkginfo_to_metadata(tmpdir):
    expected_metadata = [
        ("Metadata-Version", "2.1"),
        ("Name", "spam"),
        ("Version", "0.1"),
        ("Requires-Dist", "pip @ https://github.com/pypa/pip/archive/1.3.1.zip"),
        ("Requires-Dist", 'pywin32 ; sys_platform=="win32"'),
        ("Requires-Dist", 'foo @ http://host/foo.zip ; sys_platform=="win32"'),
        ("Provides-Extra", "signatures"),
        (
            "Requires-Dist",
            "pyxdg ; (sys_platform!=\"win32\") and extra == 'signatures'",
        ),
        ("Provides-Extra", "empty_extra"),
        ("Provides-Extra", "extra"),
        ("Requires-Dist", "bar @ http://host/bar.zip ; extra == 'extra'"),
        ("Provides-Extra", "faster-signatures"),
        ("Requires-Dist", "ed25519ll ; extra == 'faster-signatures'"),
        ("Provides-Extra", "rest"),
        ("Requires-Dist", "docutils (>=0.8) ; extra == 'rest'"),
        ("Requires-Dist", "keyring ; extra == 'signatures'"),
        ("Requires-Dist", "keyrings.alt ; extra == 'signatures'"),
        ("Provides-Extra", "test"),
        ("Requires-Dist", "pytest (>=3.0.0) ; extra == 'test'"),
        ("Requires-Dist", "pytest-cov ; extra == 'test'"),
    ]

    pkg_info = tmpdir.join("PKG-INFO")
    pkg_info.write(
        """\
Metadata-Version: 0.0
Name: spam
Version: 0.1
Provides-Extra: empty+extra
Provides-Extra: test
Provides-Extra: reST
Provides-Extra: signatures
Provides-Extra: Signatures
Provides-Extra: faster-signatures"""
    )

    egg_info_dir = tmpdir.ensure_dir("test.egg-info")
    egg_info_dir.join("requires.txt").write(
        """\
pip@https://github.com/pypa/pip/archive/1.3.1.zip

[extra]
bar @ http://host/bar.zip

[empty+extra]

[:sys_platform=="win32"]
pywin32
foo @http://host/foo.zip

[faster-signatures]
ed25519ll

[reST]
docutils>=0.8

[signatures]
keyring
keyrings.alt

[Signatures:sys_platform!="win32"]
pyxdg

[test]
pytest>=3.0.0
pytest-cov"""
    )

    message = pkginfo_to_metadata(
        egg_info_path=str(egg_info_dir), pkginfo_path=str(pkg_info)
    )
    assert message.items() == expected_metadata