Moving private_key_as_pem->pkcs12_key_as_pem.

Also only defining if OpenSSL is installed and conditionally
defining a method which raises NotImplementedError if not
defined.

1 files changed, 73 insertions, 0 deletions

diff --git a/tests/test_crypt.py b/tests/test_crypt.py
new file mode 100644
index 0000000..f437148
--- /dev/null
+++ b/tests/test_crypt.py
@@ -0,0 +1,73 @@
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import mock
+import os
+import sys
+import unittest
+
+try:
+  reload
+except NameError:
+  # For Python3 (though importlib should be used, silly 3.3).
+  from imp import reload
+
+from oauth2client.client import HAS_OPENSSL
+from oauth2client.client import SignedJwtAssertionCredentials
+from oauth2client import crypt
+
+
+def datafile(filename):
+  f = open(os.path.join(os.path.dirname(__file__), 'data', filename), 'rb')
+  data = f.read()
+  f.close()
+  return data
+
+
+class Test_pkcs12_key_as_pem(unittest.TestCase):
+
+  def _make_signed_jwt_creds(self, private_key_file='privatekey.p12',
+                             private_key=None):
+    private_key = private_key or datafile(private_key_file)
+    return SignedJwtAssertionCredentials(
+        'some_account@example.com',
+        private_key,
+        scope='read+write',
+        sub='joe@example.org')
+
+  def test_succeeds(self):
+    self.assertEqual(True, HAS_OPENSSL)
+
+    credentials = self._make_signed_jwt_creds()
+    pem_contents = crypt.pkcs12_key_as_pem(credentials.private_key,
+                                           credentials.private_key_password)
+    pkcs12_key_as_pem = datafile('pem_from_pkcs12.pem')
+    pkcs12_key_as_pem = crypt._parse_pem_key(pkcs12_key_as_pem)
+    self.assertEqual(pem_contents, pkcs12_key_as_pem)
+
+  def test_without_openssl(self):
+    openssl_mod = sys.modules['OpenSSL']
+    try:
+      sys.modules['OpenSSL'] = None
+      reload(crypt)
+      self.assertRaises(NotImplementedError, crypt.pkcs12_key_as_pem,
+                        'FOO', 'BAR')
+    finally:
+      sys.modules['OpenSSL'] = openssl_mod
+      reload(crypt)
+
+  def test_with_nonsense_key(self):
+    credentials = self._make_signed_jwt_creds(private_key=b'NOT_A_KEY')
+    self.assertRaises(crypt.crypto.Error, crypt.pkcs12_key_as_pem,
+                      credentials.private_key, credentials.private_key_password)