cpython/Lib/packaging/tests/test_dist.py

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"""Tests for packaging.dist."""
import os
import sys
import textwrap
import packaging.dist
from packaging.dist import Distribution
from packaging.command.cmd import Command
from packaging.errors import PackagingModuleError, PackagingOptionError
from packaging.tests import support, unittest
from packaging.tests.support import create_distribution, use_command
from test.support import unload
class test_dist(Command):
"""Custom command used for testing."""
user_options = [
('sample-option=', 'S',
"help text"),
]
def initialize_options(self):
self.sample_option = None
self._record = []
def finalize_options(self):
if self.sample_option is None:
self.sample_option = 'default value'
def run(self):
self._record.append('test_dist has run')
class DistributionTestCase(support.TempdirManager,
support.LoggingCatcher,
support.EnvironRestorer,
unittest.TestCase):
restore_environ = ['HOME', 'PLAT']
def setUp(self):
super(DistributionTestCase, self).setUp()
# XXX this is ugly, we should fix the functions to accept args
# (defaulting to sys.argv)
self.argv = sys.argv, sys.argv[:]
del sys.argv[1:]
def tearDown(self):
sys.argv = self.argv[0]
sys.argv[:] = self.argv[1]
super(DistributionTestCase, self).tearDown()
@unittest.skip('needs to be updated')
def test_debug_mode(self):
tmpdir = self.mkdtemp()
setupcfg = os.path.join(tmpdir, 'setup.cfg')
with open(setupcfg, "w") as f:
f.write("[global]\n")
f.write("command_packages = foo.bar, splat")
files = [setupcfg]
sys.argv.append("build")
__, stdout = captured_stdout(create_distribution, files)
self.assertEqual(stdout, '')
# XXX debug mode does not exist anymore, test logging levels in this
# test instead
packaging.dist.DEBUG = True
try:
__, stdout = captured_stdout(create_distribution, files)
self.assertEqual(stdout, '')
finally:
packaging.dist.DEBUG = False
def test_bad_attr(self):
Distribution(attrs={'author': 'xxx',
'name': 'xxx',
'version': '1.2',
'home_page': 'xxxx',
'badoptname': 'xxx'})
logs = self.get_logs()
self.assertEqual(len(logs), 1)
self.assertIn('unknown argument', logs[0])
def test_empty_options(self):
# an empty options dictionary should not stay in the
# list of attributes
dist = Distribution(attrs={'author': 'xxx', 'name': 'xxx',
'version': '1.2', 'home_page': 'xxxx',
'options': {}})
self.assertEqual(self.get_logs(), [])
self.assertNotIn('options', dir(dist))
def test_non_empty_options(self):
# TODO: how to actually use options is not documented except
# for a few cryptic comments in dist.py. If this is to stay
# in the public API, it deserves some better documentation.
# Here is an example of how it's used out there:
# http://svn.pythonmac.org/py2app/py2app/trunk/doc/
# index.html#specifying-customizations
dist = Distribution(attrs={'author': 'xxx',
'name': 'xxx',
'version': 'xxx',
'home_page': 'xxxx',
'options': {'sdist': {'owner': 'root'}}})
self.assertIn('owner', dist.get_option_dict('sdist'))
def test_finalize_options(self):
attrs = {'keywords': 'one,two',
'platform': 'one,two'}
dist = Distribution(attrs=attrs)
dist.finalize_options()
# finalize_option splits platforms and keywords
self.assertEqual(dist.metadata['platform'], ['one', 'two'])
self.assertEqual(dist.metadata['keywords'], ['one', 'two'])
def test_custom_pydistutils(self):
# Bug #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)
with open(user_filename, 'w') as f:
f.write('.')
dist = Distribution()
os.environ['HOME'] = temp_dir
files = dist.find_config_files()
self.assertIn(user_filename, files)
def test_find_config_files_disable(self):
# Bug #1180: Allow users to disable their own config file.
temp_home = self.mkdtemp()
if os.name == 'posix':
user_filename = os.path.join(temp_home, ".pydistutils.cfg")
else:
user_filename = os.path.join(temp_home, "pydistutils.cfg")
with open(user_filename, 'w') as f:
f.write('[distutils2]\n')
def _expander(path):
return temp_home
old_expander = os.path.expanduser
os.path.expanduser = _expander
try:
d = packaging.dist.Distribution()
all_files = d.find_config_files()
d = packaging.dist.Distribution(attrs={'script_args':
['--no-user-cfg']})
files = d.find_config_files()
finally:
os.path.expanduser = old_expander
# make sure --no-user-cfg disables the user cfg file
self.assertEqual((len(all_files) - 1), len(files))
def test_special_hooks_parsing(self):
temp_home = self.mkdtemp()
config_files = [os.path.join(temp_home, "config1.cfg"),
os.path.join(temp_home, "config2.cfg")]
# Store two aliased hooks in config files
self.write_file((temp_home, "config1.cfg"),
'[test_dist]\npre-hook.a = type')
self.write_file((temp_home, "config2.cfg"),
'[test_dist]\npre-hook.b = type')
use_command(self, 'packaging.tests.test_dist.test_dist')
dist = create_distribution(config_files)
cmd = dist.get_command_obj("test_dist")
self.assertEqual(cmd.pre_hook, {"a": 'type', "b": 'type'})
def test_hooks_get_run(self):
temp_home = self.mkdtemp()
module_name = os.path.split(temp_home)[-1]
pyname = '%s.py' % module_name
config_file = os.path.join(temp_home, "config1.cfg")
hooks_module = os.path.join(temp_home, pyname)
self.write_file(config_file, textwrap.dedent('''\
[test_dist]
pre-hook.test = %(modname)s.log_pre_call
post-hook.test = %(modname)s.log_post_call'''
% {'modname': module_name}))
self.write_file(hooks_module, textwrap.dedent('''\
record = []
def log_pre_call(cmd):
record.append('pre-%s' % cmd.get_command_name())
def log_post_call(cmd):
record.append('post-%s' % cmd.get_command_name())
'''))
use_command(self, 'packaging.tests.test_dist.test_dist')
d = create_distribution([config_file])
cmd = d.get_command_obj("test_dist")
# prepare the call recorders
sys.path.append(temp_home)
self.addCleanup(sys.path.remove, temp_home)
self.addCleanup(unload, module_name)
record = __import__(module_name).record
cmd.run = lambda: record.append('run')
cmd.finalize_options = lambda: record.append('finalize')
d.run_command('test_dist')
self.assertEqual(record, ['finalize',
'pre-test_dist',
'run',
'post-test_dist'])
def test_hooks_importable(self):
temp_home = self.mkdtemp()
config_file = os.path.join(temp_home, "config1.cfg")
self.write_file(config_file, textwrap.dedent('''\
[test_dist]
pre-hook.test = nonexistent.dotted.name'''))
use_command(self, 'packaging.tests.test_dist.test_dist')
d = create_distribution([config_file])
cmd = d.get_command_obj("test_dist")
cmd.ensure_finalized()
self.assertRaises(PackagingModuleError, d.run_command, 'test_dist')
def test_hooks_callable(self):
temp_home = self.mkdtemp()
config_file = os.path.join(temp_home, "config1.cfg")
self.write_file(config_file, textwrap.dedent('''\
[test_dist]
pre-hook.test = packaging.tests.test_dist.__doc__'''))
use_command(self, 'packaging.tests.test_dist.test_dist')
d = create_distribution([config_file])
cmd = d.get_command_obj("test_dist")
cmd.ensure_finalized()
self.assertRaises(PackagingOptionError, d.run_command, 'test_dist')
def test_suite():
return unittest.makeSuite(DistributionTestCase)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")