def test_get_certificate_missing(self, exists):
exists.return_value = False
self.assertIsNone(ovs.get_certificate())
self.assertTrue(self.log.call_count == 1)
def test_get_certificate_good_cert(self, exists):
exists.return_value = True
with patch_open() as (mock_open, mock_file):
mock_file.read.return_value = GOOD_CERT
self.assertEqual(ovs.get_certificate(), PEM_ENCODED)
self.assertTrue(self.log.call_count == 1)
