From 41e5ab64e9526c1e759034bafb3d75c1492ff54d Mon Sep 17 00:00:00 2001
From: Alex Gaynor <alex.gaynor@gmail.com>
Date: Fri, 13 Dec 2013 20:41:49 -0800
Subject: Also rename teh tests

---
 tests/hazmat/backends/__init__.py     |  0
 tests/hazmat/backends/test_openssl.py | 97 +++++++++++++++++++++++++++++++++++
 2 files changed, 97 insertions(+)
 create mode 100644 tests/hazmat/backends/__init__.py
 create mode 100644 tests/hazmat/backends/test_openssl.py

(limited to 'tests/hazmat/backends')

diff --git a/tests/hazmat/backends/__init__.py b/tests/hazmat/backends/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/hazmat/backends/test_openssl.py b/tests/hazmat/backends/test_openssl.py
new file mode 100644
index 00000000..962959b9
--- /dev/null
+++ b/tests/hazmat/backends/test_openssl.py
@@ -0,0 +1,97 @@
+# 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 pytest
+
+from cryptography import utils
+from cryptography.exceptions import UnsupportedAlgorithm
+from cryptography.hazmat.backends import default_backend
+from cryptography.hazmat.backends.openssl.backend import backend, Backend
+from cryptography.hazmat.primitives import interfaces
+from cryptography.hazmat.primitives.ciphers import Cipher
+from cryptography.hazmat.primitives.ciphers.algorithms import AES
+from cryptography.hazmat.primitives.ciphers.modes import CBC
+
+
+class DummyMode(object):
+    pass
+
+
+@utils.register_interface(interfaces.CipherAlgorithm)
+class DummyCipher(object):
+    pass
+
+
+class TestOpenSSL(object):
+    def test_backend_exists(self):
+        assert backend
+
+    def test_is_default(self):
+        assert backend == default_backend()
+
+    def test_openssl_version_text(self):
+        """
+        This test checks the value of OPENSSL_VERSION_TEXT.
+
+        Unfortunately, this define does not appear to have a
+        formal content definition, so for now we'll test to see
+        if it starts with OpenSSL as that appears to be true
+        for every OpenSSL.
+        """
+        assert backend.openssl_version_text().startswith("OpenSSL")
+
+    def test_supports_cipher(self):
+        assert backend.cipher_supported(None, None) is False
+
+    def test_register_duplicate_cipher_adapter(self):
+        with pytest.raises(ValueError):
+            backend.register_cipher_adapter(AES, CBC, None)
+
+    def test_instances_share_ffi(self):
+        b = Backend()
+        assert b.ffi is backend.ffi
+        assert b.lib is backend.lib
+
+    def test_nonexistent_cipher(self):
+        b = Backend()
+        b.register_cipher_adapter(
+            DummyCipher,
+            DummyMode,
+            lambda backend, cipher, mode: backend.ffi.NULL
+        )
+        cipher = Cipher(
+            DummyCipher(), DummyMode(), backend=b,
+        )
+        with pytest.raises(UnsupportedAlgorithm):
+            cipher.encryptor()
+
+    def test_handle_unknown_error(self):
+        with pytest.raises(SystemError):
+            backend._handle_error_code(0, 0, 0)
+
+        with pytest.raises(SystemError):
+            backend._handle_error_code(backend.lib.ERR_LIB_EVP, 0, 0)
+
+        with pytest.raises(SystemError):
+            backend._handle_error_code(
+                backend.lib.ERR_LIB_EVP,
+                backend.lib.EVP_F_EVP_ENCRYPTFINAL_EX,
+                0
+            )
+
+        with pytest.raises(SystemError):
+            backend._handle_error_code(
+                backend.lib.ERR_LIB_EVP,
+                backend.lib.EVP_F_EVP_DECRYPTFINAL_EX,
+                0
+            )
-- 
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