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"""Tests for distutils.dist."""
import distutils.cmd
import distutils.dist
import os
import io
import sys
import unittest
from test.test_support import TESTFN
class test_dist(distutils.cmd.Command):
"""Sample distutils extension command."""
user_options = [
("sample-option=", "S", "help text"),
]
def initialize_options(self):
self.sample_option = None
class TestDistribution(distutils.dist.Distribution):
"""Distribution subclasses that avoids the default search for
configuration files.
The ._config_files attribute must be set before
.parse_config_files() is called.
"""
def find_config_files(self):
return self._config_files
class DistributionTestCase(unittest.TestCase):
def setUp(self):
self.argv = sys.argv[:]
del sys.argv[1:]
def tearDown(self):
sys.argv[:] = self.argv
def create_distribution(self, configfiles=()):
d = TestDistribution()
d._config_files = configfiles
d.parse_config_files()
d.parse_command_line()
return d
def test_command_packages_unspecified(self):
sys.argv.append("build")
d = self.create_distribution()
self.assertEqual(d.get_command_packages(), ["distutils.command"])
def test_command_packages_cmdline(self):
from distutils.tests.test_dist import test_dist
sys.argv.extend(["--command-packages",
"foo.bar,distutils.tests",
"test_dist",
"-Ssometext",
])
d = self.create_distribution()
# let's actually try to load our test command:
self.assertEqual(d.get_command_packages(),
["distutils.command", "foo.bar", "distutils.tests"])
cmd = d.get_command_obj("test_dist")
self.assert_(isinstance(cmd, test_dist))
self.assertEqual(cmd.sample_option, "sometext")
def test_command_packages_configfile(self):
sys.argv.append("build")
f = open(TESTFN, "w")
try:
print("[global]", file=f)
print("command_packages = foo.bar, splat", file=f)
f.close()
d = self.create_distribution([TESTFN])
self.assertEqual(d.get_command_packages(),
["distutils.command", "foo.bar", "splat"])
# ensure command line overrides config:
sys.argv[1:] = ["--command-packages", "spork", "build"]
d = self.create_distribution([TESTFN])
self.assertEqual(d.get_command_packages(),
["distutils.command", "spork"])
# Setting --command-packages to '' should cause the default to
# be used even if a config file specified something else:
sys.argv[1:] = ["--command-packages", "", "build"]
d = self.create_distribution([TESTFN])
self.assertEqual(d.get_command_packages(), ["distutils.command"])
finally:
os.unlink(TESTFN)
class MetadataTestCase(unittest.TestCase):
def test_simple_metadata(self):
attrs = {"name": "package",
"version": "1.0"}
dist = distutils.dist.Distribution(attrs)
meta = self.format_metadata(dist)
self.assert_("Metadata-Version: 1.0" in meta)
self.assert_("provides:" not in meta.lower())
self.assert_("requires:" not in meta.lower())
self.assert_("obsoletes:" not in meta.lower())
def test_provides(self):
attrs = {"name": "package",
"version": "1.0",
"provides": ["package", "package.sub"]}
dist = distutils.dist.Distribution(attrs)
self.assertEqual(dist.metadata.get_provides(),
["package", "package.sub"])
self.assertEqual(dist.get_provides(),
["package", "package.sub"])
meta = self.format_metadata(dist)
self.assert_("Metadata-Version: 1.1" in meta)
self.assert_("requires:" not in meta.lower())
self.assert_("obsoletes:" not in meta.lower())
def test_provides_illegal(self):
self.assertRaises(ValueError,
distutils.dist.Distribution,
{"name": "package",
"version": "1.0",
"provides": ["my.pkg (splat)"]})
def test_requires(self):
attrs = {"name": "package",
"version": "1.0",
"requires": ["other", "another (==1.0)"]}
dist = distutils.dist.Distribution(attrs)
self.assertEqual(dist.metadata.get_requires(),
["other", "another (==1.0)"])
self.assertEqual(dist.get_requires(),
["other", "another (==1.0)"])
meta = self.format_metadata(dist)
self.assert_("Metadata-Version: 1.1" in meta)
self.assert_("provides:" not in meta.lower())
self.assert_("Requires: other" in meta)
self.assert_("Requires: another (==1.0)" in meta)
self.assert_("obsoletes:" not in meta.lower())
def test_requires_illegal(self):
self.assertRaises(ValueError,
distutils.dist.Distribution,
{"name": "package",
"version": "1.0",
"requires": ["my.pkg (splat)"]})
def test_obsoletes(self):
attrs = {"name": "package",
"version": "1.0",
"obsoletes": ["other", "another (<1.0)"]}
dist = distutils.dist.Distribution(attrs)
self.assertEqual(dist.metadata.get_obsoletes(),
["other", "another (<1.0)"])
self.assertEqual(dist.get_obsoletes(),
["other", "another (<1.0)"])
meta = self.format_metadata(dist)
self.assert_("Metadata-Version: 1.1" in meta)
self.assert_("provides:" not in meta.lower())
self.assert_("requires:" not in meta.lower())
self.assert_("Obsoletes: other" in meta)
self.assert_("Obsoletes: another (<1.0)" in meta)
def test_obsoletes_illegal(self):
self.assertRaises(ValueError,
distutils.dist.Distribution,
{"name": "package",
"version": "1.0",
"obsoletes": ["my.pkg (splat)"]})
def format_metadata(self, dist):
sio = io.StringIO()
dist.metadata.write_pkg_file(sio)
return sio.getvalue()
def test_custom_pydistutils(self):
# fixes #2166
# make sure pydistutils.cfg is found
old = {}
for env in ('HOME', 'HOMEPATH', 'HOMEDRIVE'):
value = os.environ.get(env)
old[env] = value
if value is not None:
del os.environ[env]
if os.name == 'posix':
user_filename = ".pydistutils.cfg"
else:
user_filename = "pydistutils.cfg"
curdir = os.path.dirname(__file__)
user_filename = os.path.join(curdir, user_filename)
f = open(user_filename, 'w')
f.write('.')
f.close()
try:
dist = distutils.dist.Distribution()
# linux-style
if sys.platform in ('linux', 'darwin'):
os.environ['HOME'] = curdir
files = dist.find_config_files()
self.assert_(user_filename in files)
# win32-style
if sys.platform == 'win32':
# home drive should be found
os.environ['HOMEPATH'] = curdir
files = dist.find_config_files()
self.assert_(user_filename in files)
finally:
for key, value in old.items():
if value is None:
continue
os.environ[key] = value
os.remove(user_filename)
def test_suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(DistributionTestCase))
suite.addTest(unittest.makeSuite(MetadataTestCase))
return suite
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")
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