cpython/Lib/distutils/tests/test_dist.py

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# -*- coding: latin-1 -*-
"""Tests for distutils.dist."""
import os
import StringIO
import sys
import unittest
import warnings
from distutils.dist import Distribution, fix_help_options
from distutils.cmd import Command
from test.test_support import TESTFN, captured_stdout
from distutils.tests import support
class test_dist(Command):
"""Sample distutils extension command."""
user_options = [
("sample-option=", "S", "help text"),
]
def initialize_options(self):
self.sample_option = None
class TestDistribution(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(support.TempdirManager, unittest.TestCase):
def setUp(self):
super(DistributionTestCase, self).setUp()
self.argv = sys.argv[:]
del sys.argv[1:]
def tearDown(self):
sys.argv[:] = self.argv
super(DistributionTestCase, self).tearDown()
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 >>f, "[global]"
print >>f, "command_packages = foo.bar, splat"
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)
def test_write_pkg_file(self):
# Check DistributionMetadata handling of Unicode fields
tmp_dir = self.mkdtemp()
my_file = os.path.join(tmp_dir, 'f')
klass = Distribution
dist = klass(attrs={'author': u'Mister Caf<61>',
'name': 'my.package',
'maintainer': u'Caf<EFBFBD> Junior',
'description': u'Caf<EFBFBD> torr<72>fi<66>',
'long_description': u'H<EFBFBD>h<EFBFBD>h<EFBFBD>'})
# let's make sure the file can be written
# with Unicode fields. they are encoded with
# PKG_INFO_ENCODING
dist.metadata.write_pkg_file(open(my_file, 'w'))
# regular ascii is of course always usable
dist = klass(attrs={'author': 'Mister Cafe',
'name': 'my.package',
'maintainer': 'Cafe Junior',
'description': 'Cafe torrefie',
'long_description': 'Hehehe'})
my_file2 = os.path.join(tmp_dir, 'f2')
dist.metadata.write_pkg_file(open(my_file, 'w'))
def test_empty_options(self):
# an empty options dictionary should not stay in the
# list of attributes
klass = Distribution
# catching warnings
warns = []
def _warn(msg):
warns.append(msg)
old_warn = warnings.warn
warnings.warn = _warn
try:
dist = klass(attrs={'author': 'xxx',
'name': 'xxx',
'version': 'xxx',
'url': 'xxxx',
'options': {}})
finally:
warnings.warn = old_warn
self.assertEquals(len(warns), 0)
class MetadataTestCase(support.TempdirManager, support.EnvironGuard,
unittest.TestCase):
def test_simple_metadata(self):
attrs = {"name": "package",
"version": "1.0"}
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 = 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, 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 = 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, 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 = 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, Distribution,
{"name": "package",
"version": "1.0",
"obsoletes": ["my.pkg (splat)"]})
def format_metadata(self, dist):
sio = StringIO.StringIO()
dist.metadata.write_pkg_file(sio)
return sio.getvalue()
def test_custom_pydistutils(self):
# fixes #2166
# make sure pydistutils.cfg is found
if os.name == 'posix':
user_filename = ".pydistutils.cfg"
else:
user_filename = "pydistutils.cfg"
temp_dir = self.mkdtemp()
user_filename = os.path.join(temp_dir, user_filename)
f = open(user_filename, 'w')
f.write('.')
f.close()
try:
dist = Distribution()
# linux-style
if sys.platform in ('linux', 'darwin'):
self.environ['HOME'] = temp_dir
files = dist.find_config_files()
self.assert_(user_filename in files)
# win32-style
if sys.platform == 'win32':
# home drive should be found
self.environ['HOME'] = temp_dir
files = dist.find_config_files()
self.assert_(user_filename in files,
'%r not found in %r' % (user_filename, files))
finally:
os.remove(user_filename)
def test_fix_help_options(self):
help_tuples = [('a', 'b', 'c', 'd'), (1, 2, 3, 4)]
fancy_options = fix_help_options(help_tuples)
self.assertEquals(fancy_options[0], ('a', 'b', 'c'))
self.assertEquals(fancy_options[1], (1, 2, 3))
def test_show_help(self):
# smoke test, just makes sure some help is displayed
dist = Distribution()
old_argv = sys.argv
sys.argv = []
try:
dist.help = 1
dist.script_name = 'setup.py'
with captured_stdout() as s:
dist.parse_command_line()
finally:
sys.argv = old_argv
output = [line for line in s.getvalue().split('\n')
if line.strip() != '']
self.assert_(len(output) > 0)
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")