Add unit tests for certificate

checks/certificate_test.py

@@ -0,0 +1,27 @@
+from checks import certificate
+from checks.config import Config
+import unittest
+
+class TestCertificateChecker(unittest.TestCase):
+
+    def test_google(self):
+        url = 'https://www.google.com/'
+        config = Config(urls=[url])
+        checker = certificate.Checker(config=config, previous_results={})
+        result = checker.run()
+        self.assertIn(url, result)
+        self.assertIsNone(result[url]['exception'])
+        self.assertEqual(result[url]['issuer']['O'], 'Google Trust Services')
+
+    def test_kaarst(self):
+        url = 'https://www.gruenekaarst.de/'
+        config = Config(urls=[url])
+        checker = certificate.Checker(config=config, previous_results={})
+        result = checker.run()
+        self.assertIn(url, result)
+        self.assertIsNone(result[url]['exception'])
+        self.assertEqual(result[url]['issuer']['O'], 'COMODO CA Limited')
+
+
+if __name__ == '__main__':
+    unittest.main()