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import unittest
import mock
class Cli(unittest.TestCase):
def setUp(self):
for name, path in [('c_generator', 'glad.generator.c.CGenerator'),
('gl_from_url', 'glad.specification.GL.from_url')]:
patcher = mock.patch(path)
setattr(self, name, patcher.start())
self.addCleanup(patcher.stop)
self.gl = self.gl_from_url()
self.gl_extensions = type(self.gl).extensions = mock.PropertyMock()
# import as late as possible so global instances/references aren't initialized yet
import glad.__main__
self.main = glad.__main__
def tearDown(self):
self.c_generator.stop()
def test_help__should_exit_with_0(self):
with self.assertRaises(SystemExit) as cm:
self.main.main(['--help'])
self.assertEqual(cm.exception.code, 0)
def test_valid_extension__should_not_error(self):
self.gl_extensions.return_value = dict(gl=set(['GL_SOME_ext']))
self.main.main(['--out-path=/tmp', '--api', 'gl:core=4.3', '--extensions', 'GL_SOME_ext', 'c'])
def test_invalid_extension__should_exit_with_error(self):
self.gl_extensions.return_value = dict(gl=set(['GL_SOME_ext']))
with self.assertRaises(SystemExit) as cm:
self.main.main(['--out-path=/tmp', '--api', 'gl:core=4.3', '--extensions', 'GL_SOME_other', 'c'])
self.assertEqual(cm.exception.code, 11)
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