packaging/tests/test_utils.py at bbd46a2b4cc54621384d7860d2d7e2297fcdb4c7 · pypa/packaging · GitHub

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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.

import pytest

from packaging.tags import Tag
from packaging.utils import (
    InvalidSdistFilename,
    InvalidWheelFilename,
    canonicalize_name,
    canonicalize_version,
    parse_sdist_filename,
    parse_wheel_filename,
)
from packaging.version import Version


@pytest.mark.parametrize(
    ("name", "expected"),
    [
        ("foo", "foo"),
        ("Foo", "foo"),
        ("fOo", "foo"),
        ("foo.bar", "foo-bar"),
        ("Foo.Bar", "foo-bar"),
        ("Foo.....Bar", "foo-bar"),
        ("foo_bar", "foo-bar"),
        ("foo___bar", "foo-bar"),
        ("foo-bar", "foo-bar"),
        ("foo----bar", "foo-bar"),
    ],
)
def test_canonicalize_name(name, expected):
    assert canonicalize_name(name) == expected


@pytest.mark.parametrize(
    ("version", "expected"),
    [
        (Version("1.4.0"), "1.4"),
        ("1.4.0", "1.4"),
        ("1.40.0", "1.40"),
        ("1.4.0.0.00.000.0000", "1.4"),
        ("1.0", "1"),
        ("1.0+abc", "1+abc"),
        ("1.0.dev0", "1.dev0"),
        ("1.0.post0", "1.post0"),
        ("1.0a0", "1a0"),
        ("1.0rc0", "1rc0"),
        ("100!0.0", "100!0"),
        # improper version strings are unchanged
        ("lolwat", "lolwat"),
        ("1.0.1-test7", "1.0.1-test7"),
    ],
)
def test_canonicalize_version(version, expected):
    assert canonicalize_version(version) == expected


@pytest.mark.parametrize(("version"), ["1.4.0", "1.0"])
def test_canonicalize_version_no_strip_trailing_zero(version):
    assert canonicalize_version(version, strip_trailing_zero=False) == version


@pytest.mark.parametrize(
    ("filename", "name", "version", "build", "tags"),
    [
        (
            "foo-1.0-py3-none-any.whl",
            "foo",
            Version("1.0"),
            (),
            {Tag("py3", "none", "any")},
        ),
        (
            "some_PACKAGE-1.0-py3-none-any.whl",
            "some-package",
            Version("1.0"),
            (),
            {Tag("py3", "none", "any")},
        ),
        (
            "foo-1.0-1000-py3-none-any.whl",
            "foo",
            Version("1.0"),
            (1000, ""),
            {Tag("py3", "none", "any")},
        ),
        (
            "foo-1.0-1000abc-py3-none-any.whl",
            "foo",
            Version("1.0"),
            (1000, "abc"),
            {Tag("py3", "none", "any")},
        ),
        (
            "foo-2-py2.py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
            "foo",
            Version("2"),
            (),
            {
                Tag("py2", "none", "manylinux_2_17_x86_64"),
                Tag("py2", "none", "manylinux2014_x86_64"),
                Tag("py3", "none", "manylinux_2_17_x86_64"),
                Tag("py3", "none", "manylinux2014_x86_64"),
            },
        ),
    ],
)
def test_parse_wheel_filename(filename, name, version, build, tags):
    # See https://peps.python.org/pep-0427/#file-name-convention for the spec.
    assert parse_wheel_filename(filename) == (name, version, build, tags)


@pytest.mark.parametrize(
    ("filename"),
    [
        ("foo-1.0.whl"),  # Missing tags
        ("foo-1.0-py3-none-any.wheel"),  # Incorrect file extension (`.wheel`)
        ("foo__bar-1.0-py3-none-any.whl"),  # Invalid name (`__`)
        ("foo#bar-1.0-py3-none-any.whl"),  # Invalid name (`#`)
        # Build number doesn't start with a digit (`abc`)
        ("foo-1.0-abc-py3-none-any.whl"),
        ("foo-1.0-200-py3-none-any-junk.whl"),  # Too many dashes (`-junk`)
    ],
)
def test_parse_wheel_invalid_filename(filename):
    # See https://peps.python.org/pep-0427/#file-name-convention for the spec.
    with pytest.raises(InvalidWheelFilename):
        parse_wheel_filename(filename)


@pytest.mark.parametrize(
    ("filename", "name", "version"),
    [("foo-1.0.tar.gz", "foo", Version("1.0")), ("foo-1.0.zip", "foo", Version("1.0"))],
)
def test_parse_sdist_filename(filename, name, version):
    # See https://peps.python.org/pep-0625/#specification for the spec.
    assert parse_sdist_filename(filename) == (name, version)


@pytest.mark.parametrize(
    ("filename"),
    [
        "foo-1.0.xz",  # no .tar.gz ending
        "foo1.0.tar.gz",  # no dash for package name / version separator
        "foo",  # missing file extension
        "foo-1.9",  # missing file extension
    ],
)
def test_parse_sdist_invalid_filename(filename):
    # See https://peps.python.org/pep-0625/#specification for the spec.
    with pytest.raises(InvalidSdistFilename):
        parse_sdist_filename(filename)