def test_invalid_absolute_path(self):
# Override the configuration value for System.dot_path
dummy_path = '/not_a_real_path' * 10
assert not os.path.exists(dummy_path)
with mock.patch('iris.config.get_option', return_value=dummy_path):
result = _dot_path()
self.assertIsNone(result)
def test_valid_absolute_path(self):
# Override the configuration value for System.dot_path
real_path = os.path.abspath(__file__)
assert os.path.exists(real_path) and os.path.isabs(real_path)
with mock.patch('iris.config.get_option', return_value=real_path):
result = _dot_path()
self.assertEqual(result, real_path)
def test_valid_relative_path(self):
# Override the configuration value for System.dot_path
dummy_path = 'not_a_real_path' * 10
assert not os.path.exists(dummy_path)
with mock.patch('iris.config.get_option', return_value=dummy_path):
# Pretend we have a valid installation of dot
with mock.patch('subprocess.check_output'):
result = _dot_path()
self.assertEqual(result, dummy_path)
def test_valid_relative_path_broken_install(self):
# Override the configuration value for System.dot_path
dummy_path = 'not_a_real_path' * 10
assert not os.path.exists(dummy_path)
with mock.patch('iris.config.get_option', return_value=dummy_path):
# Pretend we have a broken installation of dot
error = subprocess.CalledProcessError(-5, 'foo', 'bar')
with mock.patch('subprocess.check_output', side_effect=error):
result = _dot_path()
self.assertIsNone(result)