def test_nonworking(self):
def bad_execute(args, **kwargs):
raise ValueError()
with mock.patch('bfg9000.shell.which', mock_which), \
mock.patch('bfg9000.shell.execute', bad_execute): # noqa
msg = "^no working c compiler found; tried 'cc'$"
with self.assertRaisesRegex(IOError, msg):
common.choose_builder(self.env, known_langs['c'], 'cc',
(cc.CcBuilder, ))
def test_choose(self):
with mock.patch('bfg9000.shell.which', mock_which), \
mock.patch('bfg9000.shell.execute', mock_execute): # noqa
builder = common.choose_builder(self.env,
known_langs['c'], (cc.CcBuilder, ),
candidates='cc')
self.assertEqual(builder.brand, 'gcc')
def test_not_found(self):
def bad_which(*args, **kwargs):
if args[0] == ['cc']:
raise IOError('badness')
else:
return mock_which(*args, **kwargs)
with mock.patch('bfg9000.shell.which', bad_which), \
mock.patch('bfg9000.shell.execute', mock_execute), \
mock.patch('warnings.warn', lambda s: None): # noqa
builder = common.choose_builder(self.env, known_langs['c'], 'cc',
(cc.CcBuilder, ))
self.assertEqual(builder.brand, 'unknown')
