"""Tests for distutils.extension."""
import unittest
import os
import warnings
from test.support import check_warnings, run_unittest
from distutils.extension import read_setup_file, Extension
class ExtensionTestCase(unittest.TestCase):
def test_read_setup_file(self):
# trying to read a Setup file
# (sample extracted from the PyGame project)
setup = os.path.join(os.path.dirname(__file__), 'Setup.sample')
exts = read_setup_file(setup)
names = [ext.name for ext in exts]
names.sort()
# here are the extensions read_setup_file should have created
# out of the file
wanted = ['_arraysurfarray', '_camera', '_numericsndarray',
'_numericsurfarray', 'base', 'bufferproxy', 'cdrom',
'color', 'constants', 'display', 'draw', 'event',
'fastevent', 'font', 'gfxdraw', 'image', 'imageext',
'joystick', 'key', 'mask', 'mixer', 'mixer_music',
'mouse', 'movie', 'overlay', 'pixelarray', 'pypm',
'rect', 'rwobject', 'scrap', 'surface', 'surflock',
'time', 'transform']
self.assertEqual(names, wanted)
def test_extension_init(self):
# the first argument, which is the name, must be a string
self.assertRaises(AssertionError, Extension, 1, [])
ext = Extension('name', [])
self.assertEqual(ext.name, 'name')
# the second argument, which is the list of files, must
# be a list of strings
self.assertRaises(AssertionError, Extension, 'name', 'file')
self.assertRaises(AssertionError, Extension, 'name', ['file', 1])
ext = Extension('name', ['file1', 'file2'])
self.assertEqual(ext.sources, ['file1', 'file2'])
# others arguments have defaults
for attr in ('include_dirs', 'define_macros', 'undef_macros',
'library_dirs', 'libraries', 'runtime_library_dirs',
'extra_objects', 'extra_compile_args', 'extra_link_args',
'export_symbols', 'swig_opts', 'depends'):
self.assertEqual(getattr(ext, attr), [])
self.assertEqual(ext.language, None)
self.assertEqual(ext.optional, None)
# if there are unknown keyword options, warn about them
with check_warnings() as w:
warnings.simplefilter('always')
ext = Extension('name', ['file1', 'file2'], chic=True)
self.assertEqual(len(w.warnings), 1)
self.assertEqual(str(w.warnings[0].message),
"Unknown Extension options: 'chic'")
def test_suite():
return unittest.makeSuite(ExtensionTestCase)
if __name__ == "__main__":
run_unittest(test_suite())