Changes for CI tests

dfvfs/encryption/__init__.py

@@ -1,7 +1,22 @@
 # -*- coding: utf-8 -*-
 """Imports for the encryption manager."""
 
-from dfvfs.encryption import aes_decrypter
-from dfvfs.encryption import blowfish_decrypter
-from dfvfs.encryption import des3_decrypter
-from dfvfs.encryption import rc4_decrypter
+try:
+  from dfvfs.encryption import aes_decrypter
+except RuntimeError:
+  pass
+
+try:
+  from dfvfs.encryption import blowfish_decrypter
+except RuntimeError:
+  pass
+
+try:
+  from dfvfs.encryption import des3_decrypter
+except RuntimeError:
+  pass
+
+try:
+  from dfvfs.encryption import rc4_decrypter
+except RuntimeError:
+  pass

tests/encryption/aes_decrypter.py

@@ -4,13 +4,18 @@
 
 import unittest
 
-from dfvfs.encryption import aes_decrypter
+try:
+  from dfvfs.encryption import aes_decrypter
+except RuntimeError:
+  aes_decrypter = None
+
 from dfvfs.lib import definitions
 from dfvfs.lib import errors
 
 from tests.encryption import test_lib
 
 
+@unittest.skipIf(aes_decrypter is None, 'requires AES encryption support')
 class AESDecrypterTestCase(test_lib.DecrypterTestCase):
   """Tests for the AES decrypter object."""
 

tests/encryption/blowfish_decrypter.py

@@ -4,13 +4,19 @@
 
 import unittest
 
-from dfvfs.encryption import blowfish_decrypter
+try:
+  from dfvfs.encryption import blowfish_decrypter
+except RuntimeError:
+  blowfish_decrypter = None
+
 from dfvfs.lib import definitions
 from dfvfs.lib import errors
 
 from tests.encryption import test_lib
 
 
+@unittest.skipIf(
+    blowfish_decrypter is None, 'requires Blowfish encryption support')
 class BlowfishDecrypterTestCase(test_lib.DecrypterTestCase):
   """Tests for the Blowfish decrypter object."""
 

tests/encryption/des3_decrypter.py

@@ -4,13 +4,19 @@
 
 import unittest
 
-from dfvfs.encryption import des3_decrypter
+try:
+  from dfvfs.encryption import des3_decrypter
+except RuntimeError:
+  des3_decrypter = None
+
 from dfvfs.lib import definitions
 from dfvfs.lib import errors
 
 from tests.encryption import test_lib
 
 
+@unittest.skipIf(
+    des3_decrypter is None, 'requires tripple DES encryption support')
 class DES3DecrypterTestCase(test_lib.DecrypterTestCase):
   """Tests for the triple DES decrypter object."""
 

tests/encryption/rc4_decrypter.py

@@ -4,12 +4,17 @@
 
 import unittest
 
-from dfvfs.encryption import rc4_decrypter
+try:
+  from dfvfs.encryption import rc4_decrypter
+except RuntimeError:
+  rc4_decrypter = None
+
 from dfvfs.lib import errors
 
 from tests.encryption import test_lib
 
 
+@unittest.skipIf(rc4_decrypter is None, 'requires RC4 encryption support')
 class RC4DecrypterTestCase(test_lib.DecrypterTestCase):
   """Tests for the RC4 decrypter object."""