adds initial context tests.

wrapper/python/wolfssl/test/test_context.py

@@ -0,0 +1,41 @@
+# test_context.py
+#
+# Copyright (C) 2006-2016 wolfSSL Inc.
+#
+# This file is part of wolfSSL. (formerly known as CyaSSL)
+#
+# wolfSSL is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# wolfSSL is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+import unittest
+import wolfssl
+import ssl
+
+
+class TestSSLContext(unittest.TestCase):
+    provider = ssl
+
+    def setUp(self):
+        self.ctx = self.provider.SSLContext(self.provider.PROTOCOL_SSLv23)
+
+    def test_context_creation(self):
+        self.assertIsNotNone(self.ctx)
+
+    def test_load_cert_chain(self):
+        self.assertRaises(TypeError, self.ctx.load_cert_chain, None)
+
+    def test_load_verify_locations(self):
+        self.assertRaises(TypeError, self.ctx.load_verify_locations, None)
+
+class TestWolfSSLContext(TestSSLContext):
+    provider = wolfssl

wrapper/python/wolfssl/wolfssl/_context.py

@@ -76,8 +76,7 @@ class SSLContext:
             if ret != 0:
                 raise SSLError("Unnable to load certificate chain")
         else:
-            raise TypeError(
-                "certfile needs to be string or buffer, NoneType found")
+            raise TypeError("certfile should be a valid filesystem path")
 
         if keyfile:
             ret = _lib.wolfSSL_CTX_use_PrivateKey_file(
@@ -87,8 +86,8 @@ class SSLContext:
 
 
     def load_verify_locations(self, cafile=None, capath=None, cadata=None):
-        if cafile is None and capath is None:
-            raise SSLError("Unnable to load verify locations")
+        if cafile is None and capath is None and cadata is None:
+            raise TypeError("cafile, capath and cadata cannot be all omitted")
 
         ret = _lib.wolfSSL_CTX_load_verify_locations(
             self.native_object,