Add crypto tests that don't need a keyring

1 files changed, 28 insertions, 0 deletions

diff --git a/tests/crypto_test.py b/tests/crypto_test.py
new file mode 100644
index 00000000..156d4ad6
--- /dev/null
+++ b/tests/crypto_test.py
@@ -0,0 +1,28 @@
+# Copyright (C) 2017 Lucas Hoffmann
+# This file is released under the GNU GPL, version 3 or a later revision.
+# For further details see the COPYING file
+from __future__ import absolute_import
+
+import unittest
+
+import gpgme
+
+from alot import crypto
+from alot.errors import GPGProblem
+
+
+class TestHashAlgorithmHelper(unittest.TestCase):
+
+    """Test cases for the helper function RFC3156_canonicalize."""
+
+    def test_returned_string_starts_with_pgp(self):
+        result = crypto.RFC3156_micalg_from_algo(gpgme.MD_MD5)
+        self.assertTrue(result.startswith('pgp-'))
+
+    def test_returned_string_is_lower_case(self):
+        result = crypto.RFC3156_micalg_from_algo(gpgme.MD_MD5)
+        self.assertTrue(result.islower())
+
+    def test_raises_for_unknown_hash_name(self):
+        with self.assertRaises(GPGProblem):
+            crypto.RFC3156_micalg_from_algo(gpgme.MD_NONE)