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|
import email.parser
import email.policy
from io import StringIO
from pathlib import Path
import pytest
from unittest import TestCase
from flit_core import config
from flit_core.common import (
Module, get_info_from_module, InvalidVersion, NoVersionError, check_version,
normalize_file_permissions, Metadata, make_metadata,
)
samples_dir = Path(__file__).parent / 'samples'
class ModuleTests(TestCase):
def test_ns_package_importable(self):
i = Module('ns1.pkg', samples_dir / 'ns1-pkg')
assert i.path == Path(samples_dir, 'ns1-pkg', 'ns1', 'pkg')
assert i.file == Path(samples_dir, 'ns1-pkg', 'ns1', 'pkg', '__init__.py')
assert i.is_package
assert i.in_namespace_package
assert i.namespace_package_name == 'ns1'
def test_package_importable(self):
i = Module('package1', samples_dir)
assert i.path == samples_dir / 'package1'
assert i.file == samples_dir / 'package1' / '__init__.py'
assert i.is_package
def test_module_importable(self):
i = Module('module1', samples_dir)
assert i.path == samples_dir / 'module1.py'
assert not i.is_package
def test_missing_name(self):
with self.assertRaises(ValueError):
i = Module('doesnt_exist', samples_dir)
def test_conflicting_modules(self):
with pytest.raises(ValueError, match="Multiple"):
Module('module1', samples_dir / 'conflicting_modules')
def test_get_info_from_module(self):
info = get_info_from_module(Module('module1', samples_dir))
self.assertEqual(info, {'summary': 'Example module',
'version': '0.1'}
)
info = get_info_from_module(Module('module2', samples_dir))
self.assertEqual(info, {'summary': 'Docstring formatted like this.',
'version': '7.0'}
)
pkg1 = Module('package1', samples_dir)
info = get_info_from_module(pkg1)
self.assertEqual(info, {'summary': 'A sample package',
'version': '0.1'}
)
info = get_info_from_module(pkg1, for_fields=['version'])
self.assertEqual(info, {'version': '0.1'})
info = get_info_from_module(pkg1, for_fields=['description'])
self.assertEqual(info, {'summary': 'A sample package'})
info = get_info_from_module(pkg1, for_fields=[])
self.assertEqual(info, {})
info = get_info_from_module(Module('moduleunimportable', samples_dir))
self.assertEqual(info, {'summary': 'A sample unimportable module',
'version': '0.1'}
)
info = get_info_from_module(Module('moduleunimportabledouble', samples_dir))
self.assertEqual(info, {'summary': 'A sample unimportable module with double assignment',
'version': '0.1'}
)
info = get_info_from_module(Module('module1', samples_dir / 'constructed_version'))
self.assertEqual(info, {'summary': 'This module has a __version__ that requires runtime interpretation',
'version': '1.2.3'}
)
info = get_info_from_module(Module('package1', samples_dir / 'imported_version'))
self.assertEqual(info, {'summary': 'This module has a __version__ that requires a relative import',
'version': '0.5.8'}
)
with self.assertRaises(InvalidVersion):
get_info_from_module(Module('invalid_version1', samples_dir))
def test_version_raise(self):
with pytest.raises(InvalidVersion):
check_version('a.1.0.beta0')
with pytest.raises(InvalidVersion):
check_version('3!')
with pytest.raises(InvalidVersion):
check_version((1, 2))
with pytest.raises(NoVersionError):
check_version(None)
assert check_version('4.1.0beta1') == '4.1.0b1'
assert check_version('v1.2') == '1.2'
def test_normalize_file_permissions():
assert normalize_file_permissions(0o100664) == 0o100644 # regular file
assert normalize_file_permissions(0o40775) == 0o40755 # directory
@pytest.mark.parametrize(
("requires_python", "expected_result"),
[
("", True),
(">2.7", True),
("3", False),
(">= 3.7", False),
("<4, > 3.2", False),
(">3.4", False),
(">=2.7, !=3.0.*, !=3.1.*, !=3.2.*", True),
("== 3.9", False),
("~=2.7", True),
("~=3.9", False),
],
)
def test_supports_py2(requires_python, expected_result):
metadata = object.__new__(Metadata)
metadata.requires_python = requires_python
result = metadata.supports_py2
assert result == expected_result
def test_make_metadata():
project_dir = samples_dir / 'pep621_nodynamic'
ini_info = config.read_flit_config(project_dir / 'pyproject.toml')
module = Module(ini_info.module, project_dir)
print(module.file)
md = make_metadata(module, ini_info)
assert md.version == '0.3'
assert md.summary == "Statically specified description"
def test_metadata_multiline(tmp_path):
d = {
'name': 'foo',
'version': '1.0',
# Example from: https://packaging.python.org/specifications/core-metadata/#author
'author': ('C. Schultz, Universal Features Syndicate\n'
'Los Angeles, CA <cschultz@peanuts.example.com>'),
}
md = Metadata(d)
sio = StringIO()
md.write_metadata_file(sio)
sio.seek(0)
msg = email.parser.Parser(policy=email.policy.compat32).parse(sio)
assert msg['Name'] == d['name']
assert msg['Version'] == d['version']
assert [l.lstrip() for l in msg['Author'].splitlines()] == d['author'].splitlines()
assert not msg.defects
|
