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"""Test .dist-info style distributions.
"""
import os
import shutil
import tempfile
import pytest
import pkg_resources
from .textwrap import DALS
class TestDistInfo:
def test_distinfo(self):
dists = dict(
(d.project_name, d)
for d in pkg_resources.find_distributions(self.tmpdir)
)
assert len(dists) == 2, dists
unversioned = dists['UnversionedDistribution']
versioned = dists['VersionedDistribution']
assert versioned.version == '2.718' # from filename
assert unversioned.version == '0.3' # from METADATA
@pytest.mark.importorskip('ast')
def test_conditional_dependencies(self):
specs = 'splort==4', 'quux>=1.1'
requires = list(map(pkg_resources.Requirement.parse, specs))
for d in pkg_resources.find_distributions(self.tmpdir):
assert d.requires() == requires[:1]
assert d.requires(extras=('baz',)) == requires
assert d.extras == ['baz']
metadata_template = DALS("""
Metadata-Version: 1.2
Name: {name}
{version}
Requires-Dist: splort (==4)
Provides-Extra: baz
Requires-Dist: quux (>=1.1); extra == 'baz'
""")
def setup_method(self, method):
self.tmpdir = tempfile.mkdtemp()
dist_info_name = 'VersionedDistribution-2.718.dist-info'
versioned = os.path.join(self.tmpdir, dist_info_name)
os.mkdir(versioned)
with open(os.path.join(versioned, 'METADATA'), 'w+') as metadata_file:
metadata = self.metadata_template.format(
name='VersionedDistribution',
version='',
).replace('\n\n', '\n')
metadata_file.write(metadata)
dist_info_name = 'UnversionedDistribution.dist-info'
unversioned = os.path.join(self.tmpdir, dist_info_name)
os.mkdir(unversioned)
with open(os.path.join(unversioned, 'METADATA'), 'w+') as metadata_file:
metadata = self.metadata_template.format(
name='UnversionedDistribution',
version='Version: 0.3',
)
metadata_file.write(metadata)
def teardown_method(self, method):
shutil.rmtree(self.tmpdir)
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