from __future__ import annotations

import ast
import glob
import os
import re
import stat
import sys
import time
from pathlib import Path
from unittest import mock

import pytest
from jaraco import path

from setuptools import errors
from setuptools.command.egg_info import egg_info, manifest_maker, write_entries
from setuptools.dist import Distribution

from . import contexts, environment
from .textwrap import DALS


class Environment(str):
    pass


@pytest.fixture
def env():
    with contexts.tempdir(prefix='setuptools-test.') as env_dir:
        env = Environment(env_dir)
        os.chmod(env_dir, stat.S_IRWXU)
        subs = 'home', 'lib', 'scripts', 'data', 'egg-base'
        env.paths = dict((dirname, os.path.join(env_dir, dirname)) for dirname in subs)
        list(map(os.mkdir, env.paths.values()))
        path.build({
            env.paths['home']: {
                '.pydistutils.cfg': DALS(
                    """
                [egg_info]
                egg-base = %(egg-base)s
                """
                    % env.paths
                )
            }
        })
        yield env


class TestEggInfo:
    setup_script = DALS(
        """
        from setuptools import setup

        setup(
            name='foo',
            py_modules=['hello'],
            entry_points={'console_scripts': ['hi = hello.run']},
            zip_safe=False,
        )
        """
    )

    def _create_project(self):
        path.build({
            'setup.py': self.setup_script,
            'hello.py': DALS(
                """
                def run():
                    print('hello')
                """
            ),
        })

    @staticmethod
    def _extract_mv_version(pkg_info_lines: list[str]) -> tuple[int, int]:
        version_str = pkg_info_lines[0].split(' ')[1]
        major, minor = map(int, version_str.split('.')[:2])
        return major, minor

    def test_egg_info_save_version_info_setup_empty(self, tmpdir_cwd, env):
        """
        When the egg_info section is empty or not present, running
        save_version_info should add the settings to the setup.cfg
        in a deterministic order.
        """
        setup_cfg = os.path.join(env.paths['home'], 'setup.cfg')
        dist = Distribution()
        ei = egg_info(dist)
        ei.initialize_options()
        ei.save_version_info(setup_cfg)

        with open(setup_cfg, 'r', encoding="utf-8") as f:
            content = f.read()

        assert '[egg_info]' in content
        assert 'tag_build =' in content
        assert 'tag_date = 0' in content

        expected_order = (
            'tag_build',
            'tag_date',
        )

        self._validate_content_order(content, expected_order)

    @staticmethod
    def _validate_content_order(content, expected):
        """
        Assert that the strings in expected appear in content
        in order.
        """
        pattern = '.*'.join(expected)
        flags = re.MULTILINE | re.DOTALL
        assert re.search(pattern, content, flags)

    def test_egg_info_save_version_info_setup_defaults(self, tmpdir_cwd, env):
        """
        When running save_version_info on an existing setup.cfg
        with the 'default' values present from a previous run,
        the file should remain unchanged.
        """
        setup_cfg = os.path.join(env.paths['home'], 'setup.cfg')
        path.build({
            setup_cfg: DALS(
                """
            [egg_info]
            tag_build =
            tag_date = 0
            """
            ),
        })
        dist = Distribution()
        ei = egg_info(dist)
        ei.initialize_options()
        ei.save_version_info(setup_cfg)

        with open(setup_cfg, 'r', encoding="utf-8") as f:
            content = f.read()

        assert '[egg_info]' in content
        assert 'tag_build =' in content
        assert 'tag_date = 0' in content

        expected_order = (
            'tag_build',
            'tag_date',
        )

        self._validate_content_order(content, expected_order)

    def test_expected_files_produced(self, tmpdir_cwd, env):
        self._create_project()

        self._run_egg_info_command(tmpdir_cwd, env)
        actual = os.listdir('foo.egg-info')

        expected = [
            'PKG-INFO',
            'SOURCES.txt',
            'dependency_links.txt',
            'entry_points.txt',
            'not-zip-safe',
            'top_level.txt',
        ]
        assert sorted(actual) == expected

    def test_handling_utime_error(self, tmpdir_cwd, env):
        dist = Distribution()
        ei = egg_info(dist)
        utime_patch = mock.patch('os.utime', side_effect=OSError("TEST"))
        mkpath_patch = mock.patch(
            'setuptools.command.egg_info.egg_info.mkpath', return_val=None
        )

        with utime_patch, mkpath_patch:
            import distutils.errors

            msg = r"Cannot update time stamp of directory 'None'"
            with pytest.raises(distutils.errors.DistutilsFileError, match=msg):
                ei.run()

    def test_license_is_a_string(self, tmpdir_cwd, env):
        setup_config = DALS(
            """
            [metadata]
            name=foo
            version=0.0.1
            license=file:MIT
            """
        )

        setup_script = DALS(
            """
            from setuptools import setup

            setup()
            """
        )

        path.build({
            'setup.py': setup_script,
            'setup.cfg': setup_config,
        })

        # This command should fail with a ValueError, but because it's
        # currently configured to use a subprocess, the actual traceback
        # object is lost and we need to parse it from stderr
        with pytest.raises(AssertionError) as exc:
            self._run_egg_info_command(tmpdir_cwd, env)

        # The only argument to the assertion error should be a traceback
        # containing a ValueError
        assert 'ValueError' in exc.value.args[0]

    def test_rebuilt(self, tmpdir_cwd, env):
        """Ensure timestamps are updated when the command is re-run."""
        self._create_project()

        self._run_egg_info_command(tmpdir_cwd, env)
        timestamp_a = os.path.getmtime('foo.egg-info')

        # arbitrary sleep just to handle *really* fast systems
        time.sleep(0.001)

        self._run_egg_info_command(tmpdir_cwd, env)
        timestamp_b = os.path.getmtime('foo.egg-info')

        assert timestamp_a != timestamp_b

    def test_manifest_template_is_read(self, tmpdir_cwd, env):
        self._create_project()
        path.build({
            'MANIFEST.in': DALS(
                """
                recursive-include docs *.rst
            """
            ),
            'docs': {
                'usage.rst': "Run 'hi'",
            },
        })
        self._run_egg_info_command(tmpdir_cwd, env)
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        sources_txt = os.path.join(egg_info_dir, 'SOURCES.txt')
        with open(sources_txt, encoding="utf-8") as f:
            assert 'docs/usage.rst' in f.read().split('\n')

    def _setup_script_with_requires(self, requires, use_setup_cfg=False):
        setup_script = DALS(
            """
            from setuptools import setup

            setup(name='foo', zip_safe=False, %s)
            """
        ) % ('' if use_setup_cfg else requires)
        setup_config = requires if use_setup_cfg else ''
        path.build({
            'setup.py': setup_script,
            'setup.cfg': setup_config,
        })

    mismatch_marker = "python_version<'{this_ver}'".format(
        this_ver=sys.version_info[0],
    )
    # Alternate equivalent syntax.
    mismatch_marker_alternate = 'python_version < "{this_ver}"'.format(
        this_ver=sys.version_info[0],
    )
    invalid_marker = "<=>++"

    class RequiresTestHelper:
        @staticmethod
        def parametrize(*test_list, **format_dict):
            idlist = []
            argvalues = []
            for test in test_list:
                test_params = test.lstrip().split('\n\n', 3)
                name_kwargs = test_params.pop(0).split('\n')
                if len(name_kwargs) > 1:
                    val = name_kwargs[1].strip()
                    install_cmd_kwargs = ast.literal_eval(val)
                else:
                    install_cmd_kwargs = {}
                name = name_kwargs[0].strip()
                setup_py_requires, setup_cfg_requires, expected_requires = (
                    DALS(a).format(**format_dict) for a in test_params
                )
                for id_, requires, use_cfg in (
                    (name, setup_py_requires, False),
                    (name + '_in_setup_cfg', setup_cfg_requires, True),
                ):
                    idlist.append(id_)
                    marks = ()
                    if requires.startswith('@xfail\n'):
                        requires = requires[7:]
                        marks = pytest.mark.xfail
                    argvalues.append(
                        pytest.param(
                            requires,
                            use_cfg,
                            expected_requires,
                            install_cmd_kwargs,
                            marks=marks,
                        )
                    )
            return pytest.mark.parametrize(
                'requires,use_setup_cfg,expected_requires,install_cmd_kwargs',
                argvalues,
                ids=idlist,
            )

    @RequiresTestHelper.parametrize(
        # Format of a test:
        #
        # id
        # install_cmd_kwargs [optional]
        #
        # requires block (when used in setup.py)
        #
        # requires block (when used in setup.cfg)
        #
        # expected contents of requires.txt
        """
        install_requires_deterministic

        install_requires=["wheel>=0.5", "pytest"]

        [options]
        install_requires =
            wheel>=0.5
            pytest

        wheel>=0.5
        pytest
        """,
        """
        install_requires_ordered

        install_requires=["pytest>=3.0.2,!=10.9999"]

        [options]
        install_requires =
            pytest>=3.0.2,!=10.9999

        pytest!=10.9999,>=3.0.2
        """,
        """
        install_requires_with_marker

        install_requires=["barbazquux;{mismatch_marker}"],

        [options]
        install_requires =
            barbazquux; {mismatch_marker}

        [:{mismatch_marker_alternate}]
        barbazquux
        """,
        """
        install_requires_with_extra
        {'cmd': ['egg_info']}

        install_requires=["barbazquux [test]"],

        [options]
        install_requires =
            barbazquux [test]

        barbazquux[test]
        """,
        """
        install_requires_with_extra_and_marker

        install_requires=["barbazquux [test]; {mismatch_marker}"],

        [options]
        install_requires =
            barbazquux [test]; {mismatch_marker}

        [:{mismatch_marker_alternate}]
        barbazquux[test]
        """,
        """
        setup_requires_with_markers

        setup_requires=["barbazquux;{mismatch_marker}"],

        [options]
        setup_requires =
            barbazquux; {mismatch_marker}

        """,
        """
        extras_require_with_extra
        {'cmd': ['egg_info']}

        extras_require={{"extra": ["barbazquux [test]"]}},

        [options.extras_require]
        extra = barbazquux [test]

        [extra]
        barbazquux[test]
        """,
        """
        extras_require_with_extra_and_marker_in_req

        extras_require={{"extra": ["barbazquux [test]; {mismatch_marker}"]}},

        [options.extras_require]
        extra =
            barbazquux [test]; {mismatch_marker}

        [extra]

        [extra:{mismatch_marker_alternate}]
        barbazquux[test]
        """,
        # FIXME: ConfigParser does not allow : in key names!
        """
        extras_require_with_marker

        extras_require={{":{mismatch_marker}": ["barbazquux"]}},

        @xfail
        [options.extras_require]
        :{mismatch_marker} = barbazquux

        [:{mismatch_marker}]
        barbazquux
        """,
        """
        extras_require_with_marker_in_req

        extras_require={{"extra": ["barbazquux; {mismatch_marker}"]}},

        [options.extras_require]
        extra =
            barbazquux; {mismatch_marker}

        [extra]

        [extra:{mismatch_marker_alternate}]
        barbazquux
        """,
        """
        extras_require_with_empty_section

        extras_require={{"empty": []}},

        [options.extras_require]
        empty =

        [empty]
        """,
        # Format arguments.
        invalid_marker=invalid_marker,
        mismatch_marker=mismatch_marker,
        mismatch_marker_alternate=mismatch_marker_alternate,
    )
    def test_requires(
        self,
        tmpdir_cwd,
        env,
        requires,
        use_setup_cfg,
        expected_requires,
        install_cmd_kwargs,
    ):
        self._setup_script_with_requires(requires, use_setup_cfg)
        self._run_egg_info_command(tmpdir_cwd, env, **install_cmd_kwargs)
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        requires_txt = os.path.join(egg_info_dir, 'requires.txt')
        if os.path.exists(requires_txt):
            with open(requires_txt, encoding="utf-8") as fp:
                install_requires = fp.read()
        else:
            install_requires = ''
        assert install_requires.lstrip() == expected_requires
        assert glob.glob(os.path.join(env.paths['lib'], 'barbazquux*')) == []

    def test_install_requires_unordered_disallowed(self, tmpdir_cwd, env):
        """
        Packages that pass unordered install_requires sequences
        should be rejected as they produce non-deterministic
        builds. See #458.
        """
        req = 'install_requires={"fake-factory==0.5.2", "pytz"}'
        self._setup_script_with_requires(req)
        with pytest.raises(AssertionError):
            self._run_egg_info_command(tmpdir_cwd, env)

    def test_extras_require_with_invalid_marker(self, tmpdir_cwd, env):
        tmpl = 'extras_require={{":{marker}": ["barbazquux"]}},'
        req = tmpl.format(marker=self.invalid_marker)
        self._setup_script_with_requires(req)
        with pytest.raises(AssertionError):
            self._run_egg_info_command(tmpdir_cwd, env)
        assert glob.glob(os.path.join(env.paths['lib'], 'barbazquux*')) == []

    def test_extras_require_with_invalid_marker_in_req(self, tmpdir_cwd, env):
        tmpl = 'extras_require={{"extra": ["barbazquux; {marker}"]}},'
        req = tmpl.format(marker=self.invalid_marker)
        self._setup_script_with_requires(req)
        with pytest.raises(AssertionError):
            self._run_egg_info_command(tmpdir_cwd, env)
        assert glob.glob(os.path.join(env.paths['lib'], 'barbazquux*')) == []

    def test_provides_extra(self, tmpdir_cwd, env):
        self._setup_script_with_requires('extras_require={"foobar": ["barbazquux"]},')
        environ = os.environ.copy().update(
            HOME=env.paths['home'],
        )
        code, data = environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
            data_stream=1,
            env=environ,
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        with open(os.path.join(egg_info_dir, 'PKG-INFO'), encoding="utf-8") as fp:
            pkg_info_lines = fp.read().split('\n')
        assert 'Provides-Extra: foobar' in pkg_info_lines
        assert 'Metadata-Version: 2.1' in pkg_info_lines

    def test_doesnt_provides_extra(self, tmpdir_cwd, env):
        self._setup_script_with_requires(
            """install_requires=["spam ; python_version<'3.6'"]"""
        )
        environ = os.environ.copy().update(
            HOME=env.paths['home'],
        )
        environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
            data_stream=1,
            env=environ,
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        with open(os.path.join(egg_info_dir, 'PKG-INFO'), encoding="utf-8") as fp:
            pkg_info_text = fp.read()
        assert 'Provides-Extra:' not in pkg_info_text

    @pytest.mark.parametrize(
        "files, license_in_sources",
        [
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file = LICENSE
                              """
                    ),
                    'LICENSE': "Test license",
                },
                True,
            ),  # with license
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file = INVALID_LICENSE
                              """
                    ),
                    'LICENSE': "Test license",
                },
                False,
            ),  # with an invalid license
            (
                {
                    'setup.cfg': DALS(
                        """
                              """
                    ),
                    'LICENSE': "Test license",
                },
                True,
            ),  # no license_file attribute, LICENSE auto-included
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file = LICENSE
                              """
                    ),
                    'MANIFEST.in': "exclude LICENSE",
                    'LICENSE': "Test license",
                },
                True,
            ),  # manifest is overwritten by license_file
            pytest.param(
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file = LICEN[CS]E*
                              """
                    ),
                    'LICENSE': "Test license",
                },
                True,
                id="glob_pattern",
            ),
        ],
    )
    def test_setup_cfg_license_file(self, tmpdir_cwd, env, files, license_in_sources):
        self._create_project()
        path.build(files)

        environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')

        sources_text = Path(egg_info_dir, "SOURCES.txt").read_text(encoding="utf-8")

        if license_in_sources:
            assert 'LICENSE' in sources_text
        else:
            assert 'LICENSE' not in sources_text
            # for invalid license test
            assert 'INVALID_LICENSE' not in sources_text

    @pytest.mark.parametrize(
        "files, incl_licenses, excl_licenses",
        [
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_files =
                                  LICENSE-ABC
                                  LICENSE-XYZ
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-XYZ': "XYZ license",
                },
                ['LICENSE-ABC', 'LICENSE-XYZ'],
                [],
            ),  # with licenses
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_files = LICENSE-ABC, LICENSE-XYZ
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-XYZ': "XYZ license",
                },
                ['LICENSE-ABC', 'LICENSE-XYZ'],
                [],
            ),  # with commas
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_files =
                                  LICENSE-ABC
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-XYZ': "XYZ license",
                },
                ['LICENSE-ABC'],
                ['LICENSE-XYZ'],
            ),  # with one license
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_files =
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-XYZ': "XYZ license",
                },
                [],
                ['LICENSE-ABC', 'LICENSE-XYZ'],
            ),  # empty
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_files = LICENSE-XYZ
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-XYZ': "XYZ license",
                },
                ['LICENSE-XYZ'],
                ['LICENSE-ABC'],
            ),  # on same line
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_files =
                                  LICENSE-ABC
                                  INVALID_LICENSE
                              """
                    ),
                    'LICENSE-ABC': "Test license",
                },
                ['LICENSE-ABC'],
                ['INVALID_LICENSE'],
            ),  # with an invalid license
            (
                {
                    'setup.cfg': DALS(
                        """
                              """
                    ),
                    'LICENSE': "Test license",
                },
                ['LICENSE'],
                [],
            ),  # no license_files attribute, LICENSE auto-included
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_files = LICENSE
                              """
                    ),
                    'MANIFEST.in': "exclude LICENSE",
                    'LICENSE': "Test license",
                },
                ['LICENSE'],
                [],
            ),  # manifest is overwritten by license_files
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_files =
                                  LICENSE-ABC
                                  LICENSE-XYZ
                              """
                    ),
                    'MANIFEST.in': "exclude LICENSE-XYZ",
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-XYZ': "XYZ license",
                    # manifest is overwritten by license_files
                },
                ['LICENSE-ABC', 'LICENSE-XYZ'],
                [],
            ),
            pytest.param(
                {
                    'setup.cfg': "",
                    'LICENSE-ABC': "ABC license",
                    'COPYING-ABC': "ABC copying",
                    'NOTICE-ABC': "ABC notice",
                    'AUTHORS-ABC': "ABC authors",
                    'LICENCE-XYZ': "XYZ license",
                    'LICENSE': "License",
                    'INVALID-LICENSE': "Invalid license",
                },
                [
                    'LICENSE-ABC',
                    'COPYING-ABC',
                    'NOTICE-ABC',
                    'AUTHORS-ABC',
                    'LICENCE-XYZ',
                    'LICENSE',
                ],
                ['INVALID-LICENSE'],
                # ('LICEN[CS]E*', 'COPYING*', 'NOTICE*', 'AUTHORS*')
                id="default_glob_patterns",
            ),
            pytest.param(
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_files =
                                  LICENSE*
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'NOTICE-XYZ': "XYZ notice",
                },
                ['LICENSE-ABC'],
                ['NOTICE-XYZ'],
                id="no_default_glob_patterns",
            ),
            pytest.param(
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_files =
                                  LICENSE-ABC
                                  LICENSE*
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                },
                ['LICENSE-ABC'],
                [],
                id="files_only_added_once",
            ),
        ],
    )
    def test_setup_cfg_license_files(
        self, tmpdir_cwd, env, files, incl_licenses, excl_licenses
    ):
        self._create_project()
        path.build(files)

        environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')

        sources_text = Path(egg_info_dir, "SOURCES.txt").read_text(encoding="utf-8")
        sources_lines = [line.strip() for line in sources_text.splitlines()]

        for lf in incl_licenses:
            assert sources_lines.count(lf) == 1

        for lf in excl_licenses:
            assert sources_lines.count(lf) == 0

    @pytest.mark.parametrize(
        "files, incl_licenses, excl_licenses",
        [
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file =
                              license_files =
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-XYZ': "XYZ license",
                },
                [],
                ['LICENSE-ABC', 'LICENSE-XYZ'],
            ),  # both empty
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file =
                                  LICENSE-ABC
                                  LICENSE-XYZ
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-XYZ': "XYZ license",
                    # license_file is still singular
                },
                [],
                ['LICENSE-ABC', 'LICENSE-XYZ'],
            ),
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file = LICENSE-ABC
                              license_files =
                                  LICENSE-XYZ
                                  LICENSE-PQR
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-PQR': "PQR license",
                    'LICENSE-XYZ': "XYZ license",
                },
                ['LICENSE-ABC', 'LICENSE-PQR', 'LICENSE-XYZ'],
                [],
            ),  # combined
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file = LICENSE-ABC
                              license_files =
                                  LICENSE-ABC
                                  LICENSE-XYZ
                                  LICENSE-PQR
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-PQR': "PQR license",
                    'LICENSE-XYZ': "XYZ license",
                    # duplicate license
                },
                ['LICENSE-ABC', 'LICENSE-PQR', 'LICENSE-XYZ'],
                [],
            ),
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file = LICENSE-ABC
                              license_files =
                                  LICENSE-XYZ
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-PQR': "PQR license",
                    'LICENSE-XYZ': "XYZ license",
                    # combined subset
                },
                ['LICENSE-ABC', 'LICENSE-XYZ'],
                ['LICENSE-PQR'],
            ),
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file = LICENSE-ABC
                              license_files =
                                  LICENSE-XYZ
                                  LICENSE-PQR
                              """
                    ),
                    'LICENSE-PQR': "Test license",
                    # with invalid licenses
                },
                ['LICENSE-PQR'],
                ['LICENSE-ABC', 'LICENSE-XYZ'],
            ),
            (
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file = LICENSE-ABC
                              license_files =
                                LICENSE-PQR
                                LICENSE-XYZ
                              """
                    ),
                    'MANIFEST.in': "exclude LICENSE-ABC\nexclude LICENSE-PQR",
                    'LICENSE-ABC': "ABC license",
                    'LICENSE-PQR': "PQR license",
                    'LICENSE-XYZ': "XYZ license",
                    # manifest is overwritten
                },
                ['LICENSE-ABC', 'LICENSE-PQR', 'LICENSE-XYZ'],
                [],
            ),
            pytest.param(
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file = LICENSE*
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'NOTICE-XYZ': "XYZ notice",
                },
                ['LICENSE-ABC'],
                ['NOTICE-XYZ'],
                id="no_default_glob_patterns",
            ),
            pytest.param(
                {
                    'setup.cfg': DALS(
                        """
                              [metadata]
                              license_file = LICENSE*
                              license_files =
                                NOTICE*
                              """
                    ),
                    'LICENSE-ABC': "ABC license",
                    'NOTICE-ABC': "ABC notice",
                    'AUTHORS-ABC': "ABC authors",
                },
                ['LICENSE-ABC', 'NOTICE-ABC'],
                ['AUTHORS-ABC'],
                id="combined_glob_patterrns",
            ),
        ],
    )
    def test_setup_cfg_license_file_license_files(
        self, tmpdir_cwd, env, files, incl_licenses, excl_licenses
    ):
        self._create_project()
        path.build(files)

        environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')

        sources_text = Path(egg_info_dir, "SOURCES.txt").read_text(encoding="utf-8")
        sources_lines = [line.strip() for line in sources_text.splitlines()]

        for lf in incl_licenses:
            assert sources_lines.count(lf) == 1

        for lf in excl_licenses:
            assert sources_lines.count(lf) == 0

    def test_license_file_attr_pkg_info(self, tmpdir_cwd, env):
        """All matched license files should have a corresponding License-File."""
        self._create_project()
        path.build({
            "setup.cfg": DALS(
                """
                              [metadata]
                              license_files =
                                  NOTICE*
                                  LICENSE*
                              """
            ),
            "LICENSE-ABC": "ABC license",
            "LICENSE-XYZ": "XYZ license",
            "NOTICE": "included",
            "IGNORE": "not include",
        })

        environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        with open(os.path.join(egg_info_dir, 'PKG-INFO'), encoding="utf-8") as fp:
            pkg_info_lines = fp.read().split('\n')
        license_file_lines = [
            line for line in pkg_info_lines if line.startswith('License-File:')
        ]

        # Only 'NOTICE', LICENSE-ABC', and 'LICENSE-XYZ' should have been matched
        # Also assert that order from license_files is keeped
        assert "License-File: NOTICE" == license_file_lines[0]
        assert "License-File: LICENSE-ABC" in license_file_lines[1:]
        assert "License-File: LICENSE-XYZ" in license_file_lines[1:]

    def test_metadata_version(self, tmpdir_cwd, env):
        """Make sure latest metadata version is used by default."""
        self._setup_script_with_requires("")
        code, data = environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
            data_stream=1,
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        with open(os.path.join(egg_info_dir, 'PKG-INFO'), encoding="utf-8") as fp:
            pkg_info_lines = fp.read().split('\n')
        # Update metadata version if changed
        assert self._extract_mv_version(pkg_info_lines) == (2, 1)

    def test_long_description_content_type(self, tmpdir_cwd, env):
        # Test that specifying a `long_description_content_type` keyword arg to
        # the `setup` function results in writing a `Description-Content-Type`
        # line to the `PKG-INFO` file in the `<distribution>.egg-info`
        # directory.
        # `Description-Content-Type` is described at
        # https://github.com/pypa/python-packaging-user-guide/pull/258

        self._setup_script_with_requires(
            """long_description_content_type='text/markdown',"""
        )
        environ = os.environ.copy().update(
            HOME=env.paths['home'],
        )
        code, data = environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
            data_stream=1,
            env=environ,
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        with open(os.path.join(egg_info_dir, 'PKG-INFO'), encoding="utf-8") as fp:
            pkg_info_lines = fp.read().split('\n')
        expected_line = 'Description-Content-Type: text/markdown'
        assert expected_line in pkg_info_lines
        assert 'Metadata-Version: 2.1' in pkg_info_lines

    def test_long_description(self, tmpdir_cwd, env):
        # Test that specifying `long_description` and `long_description_content_type`
        # keyword args to the `setup` function results in writing
        # the description in the message payload of the `PKG-INFO` file
        # in the `<distribution>.egg-info` directory.
        self._setup_script_with_requires(
            "long_description='This is a long description\\nover multiple lines',"
            "long_description_content_type='text/markdown',"
        )
        code, data = environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
            data_stream=1,
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        with open(os.path.join(egg_info_dir, 'PKG-INFO'), encoding="utf-8") as fp:
            pkg_info_lines = fp.read().split('\n')
        assert 'Metadata-Version: 2.1' in pkg_info_lines
        assert '' == pkg_info_lines[-1]  # last line should be empty
        long_desc_lines = pkg_info_lines[pkg_info_lines.index('') :]
        assert 'This is a long description' in long_desc_lines
        assert 'over multiple lines' in long_desc_lines

    def test_project_urls(self, tmpdir_cwd, env):
        # Test that specifying a `project_urls` dict to the `setup`
        # function results in writing multiple `Project-URL` lines to
        # the `PKG-INFO` file in the `<distribution>.egg-info`
        # directory.
        # `Project-URL` is described at https://packaging.python.org
        #     /specifications/core-metadata/#project-url-multiple-use

        self._setup_script_with_requires(
            """project_urls={
                'Link One': 'https://example.com/one/',
                'Link Two': 'https://example.com/two/',
                },"""
        )
        environ = os.environ.copy().update(
            HOME=env.paths['home'],
        )
        code, data = environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
            data_stream=1,
            env=environ,
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        with open(os.path.join(egg_info_dir, 'PKG-INFO'), encoding="utf-8") as fp:
            pkg_info_lines = fp.read().split('\n')
        expected_line = 'Project-URL: Link One, https://example.com/one/'
        assert expected_line in pkg_info_lines
        expected_line = 'Project-URL: Link Two, https://example.com/two/'
        assert expected_line in pkg_info_lines
        assert self._extract_mv_version(pkg_info_lines) >= (1, 2)

    def test_license(self, tmpdir_cwd, env):
        """Test single line license."""
        self._setup_script_with_requires("license='MIT',")
        code, data = environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
            data_stream=1,
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        with open(os.path.join(egg_info_dir, 'PKG-INFO'), encoding="utf-8") as fp:
            pkg_info_lines = fp.read().split('\n')
        assert 'License: MIT' in pkg_info_lines

    def test_license_escape(self, tmpdir_cwd, env):
        """Test license is escaped correctly if longer than one line."""
        self._setup_script_with_requires(
            "license='This is a long license text \\nover multiple lines',"
        )
        code, data = environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
            data_stream=1,
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        with open(os.path.join(egg_info_dir, 'PKG-INFO'), encoding="utf-8") as fp:
            pkg_info_lines = fp.read().split('\n')

        assert 'License: This is a long license text ' in pkg_info_lines
        assert '        over multiple lines' in pkg_info_lines
        assert 'text \n        over multiple' in '\n'.join(pkg_info_lines)

    def test_python_requires_egg_info(self, tmpdir_cwd, env):
        self._setup_script_with_requires("""python_requires='>=2.7.12',""")
        environ = os.environ.copy().update(
            HOME=env.paths['home'],
        )
        code, data = environment.run_setup_py(
            cmd=['egg_info'],
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
            data_stream=1,
            env=environ,
        )
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        with open(os.path.join(egg_info_dir, 'PKG-INFO'), encoding="utf-8") as fp:
            pkg_info_lines = fp.read().split('\n')
        assert 'Requires-Python: >=2.7.12' in pkg_info_lines
        assert self._extract_mv_version(pkg_info_lines) >= (1, 2)

    def test_manifest_maker_warning_suppression(self):
        fixtures = [
            "standard file not found: should have one of foo.py, bar.py",
            "standard file 'setup.py' not found",
        ]

        for msg in fixtures:
            assert manifest_maker._should_suppress_warning(msg)

    def test_egg_info_includes_setup_py(self, tmpdir_cwd):
        self._create_project()
        dist = Distribution({"name": "foo", "version": "0.0.1"})
        dist.script_name = "non_setup.py"
        egg_info_instance = egg_info(dist)
        egg_info_instance.finalize_options()
        egg_info_instance.run()

        assert 'setup.py' in egg_info_instance.filelist.files

        with open(egg_info_instance.egg_info + "/SOURCES.txt", encoding="utf-8") as f:
            sources = f.read().split('\n')
            assert 'setup.py' in sources

    def _run_egg_info_command(self, tmpdir_cwd, env, cmd=None, output=None):
        environ = os.environ.copy().update(
            HOME=env.paths['home'],
        )
        if cmd is None:
            cmd = [
                'egg_info',
            ]
        code, data = environment.run_setup_py(
            cmd=cmd,
            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
            data_stream=1,
            env=environ,
        )
        assert not code, data

        if output:
            assert output in data

    def test_egg_info_tag_only_once(self, tmpdir_cwd, env):
        self._create_project()
        path.build({
            'setup.cfg': DALS(
                """
                              [egg_info]
                              tag_build = dev
                              tag_date = 0
                              tag_svn_revision = 0
                              """
            ),
        })
        self._run_egg_info_command(tmpdir_cwd, env)
        egg_info_dir = os.path.join('.', 'foo.egg-info')
        with open(os.path.join(egg_info_dir, 'PKG-INFO'), encoding="utf-8") as fp:
            pkg_info_lines = fp.read().split('\n')
        assert 'Version: 0.0.0.dev0' in pkg_info_lines


class TestWriteEntries:
    def test_invalid_entry_point(self, tmpdir_cwd, env):
        dist = Distribution({"name": "foo", "version": "0.0.1"})
        dist.entry_points = {"foo": "foo = invalid-identifier:foo"}
        cmd = dist.get_command_obj("egg_info")
        expected_msg = r"Problems to parse .*invalid-identifier.*"
        with pytest.raises(errors.OptionError, match=expected_msg) as ex:
            write_entries(cmd, "entry_points", "entry_points.txt")
            assert "ensure entry-point follows the spec" in ex.value.args[0]

    def test_valid_entry_point(self, tmpdir_cwd, env):
        dist = Distribution({"name": "foo", "version": "0.0.1"})
        dist.entry_points = {
            "abc": "foo = bar:baz",
            "def": ["faa = bor:boz"],
        }
        cmd = dist.get_command_obj("egg_info")
        write_entries(cmd, "entry_points", "entry_points.txt")
        content = Path("entry_points.txt").read_text(encoding="utf-8")
        assert "[abc]\nfoo = bar:baz\n" in content
        assert "[def]\nfaa = bor:boz\n" in content