cpython/Lib/distutils/tests/test_core.py

105 lines
2.9 KiB
Python

"""Tests for distutils.core."""
import StringIO
import distutils.core
import os
import shutil
import sys
import test.test_support
from test.test_support import captured_stdout
import unittest
from distutils.tests import support
# setup script that uses __file__
setup_using___file__ = """\
__file__
from distutils.core import setup
setup()
"""
setup_prints_cwd = """\
import os
print os.getcwd()
from distutils.core import setup
setup()
"""
class CoreTestCase(support.EnvironGuard, unittest.TestCase):
def setUp(self):
super(CoreTestCase, self).setUp()
self.old_stdout = sys.stdout
self.cleanup_testfn()
self.old_argv = sys.argv, sys.argv[:]
def tearDown(self):
sys.stdout = self.old_stdout
self.cleanup_testfn()
sys.argv = self.old_argv[0]
sys.argv[:] = self.old_argv[1]
super(CoreTestCase, self).tearDown()
def cleanup_testfn(self):
path = test.test_support.TESTFN
if os.path.isfile(path):
os.remove(path)
elif os.path.isdir(path):
shutil.rmtree(path)
def write_setup(self, text, path=test.test_support.TESTFN):
open(path, "w").write(text)
return path
def test_run_setup_provides_file(self):
# Make sure the script can use __file__; if that's missing, the test
# setup.py script will raise NameError.
distutils.core.run_setup(
self.write_setup(setup_using___file__))
def test_run_setup_uses_current_dir(self):
# This tests that the setup script is run with the current directory
# as its own current directory; this was temporarily broken by a
# previous patch when TESTFN did not use the current directory.
sys.stdout = StringIO.StringIO()
cwd = os.getcwd()
# Create a directory and write the setup.py file there:
os.mkdir(test.test_support.TESTFN)
setup_py = os.path.join(test.test_support.TESTFN, "setup.py")
distutils.core.run_setup(
self.write_setup(setup_prints_cwd, path=setup_py))
output = sys.stdout.getvalue()
if output.endswith("\n"):
output = output[:-1]
self.assertEqual(cwd, output)
def test_debug_mode(self):
# this covers the code called when DEBUG is set
sys.argv = ['setup.py', '--name']
with captured_stdout() as stdout:
distutils.core.setup(name='bar')
stdout.seek(0)
self.assertEquals(stdout.read(), 'bar\n')
distutils.core.DEBUG = True
try:
with captured_stdout() as stdout:
distutils.core.setup(name='bar')
finally:
distutils.core.DEBUG = False
stdout.seek(0)
wanted = "options (after parsing config files):\n"
self.assertEquals(stdout.readlines()[0], wanted)
def test_suite():
return unittest.makeSuite(CoreTestCase)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")