Add embedded file signature verification.

mayan/apps/django_gpg/tests/literals.py

@@ -1,11 +1,8 @@
 from __future__ import unicode_literals
 
-TEST_GPG_HOME = '/tmp/test_gpg_home'
-TEST_KEY_FINGERPRINT = '6A24574E0A35004CDDFD22704125E9C571F378AC'
-TEST_KEYSERVERS = ['pool.sks-keyservers.net']
+import os
 
-TEST_SEARCH_UID = 'Roberto Rosario'
-TEST_SEARCH_FINGERPRINT = '607138F1AECC5A5CA31CB7715F3F7F75D210724D'
+from django.conf import settings
 
 TEST_KEY_DATA = '''-----BEGIN PGP PRIVATE KEY BLOCK-----
 Version: GnuPG v1
@@ -69,3 +66,14 @@ h4oCbUV5JHhOyB+89Y1w8haFU9LrgOER2kXff1xU6wMfLdcO5ApV/sRJcNdYL7Cg
 
 TEST_KEY_ID = '4125E9C571F378AC'
 TEST_KEY_FINGERPRINT = '6A24574E0A35004CDDFD22704125E9C571F378AC'
+TEST_KEY_PASSPHRASE = 'testpassphrase'
+
+TEST_KEYSERVERS = ['pool.sks-keyservers.net']
+
+TEST_SEARCH_UID = 'Roberto Rosario'
+TEST_SEARCH_FINGERPRINT = '607138F1AECC5A5CA31CB7715F3F7F75D210724D'
+
+TEST_SIGNED_FILE = os.path.join(
+    settings.BASE_DIR, 'mayan', 'apps', 'django_gpg', 'tests', 'contrib',
+    'test_files', 'test_file.txt.gpg'
+)

mayan/apps/django_gpg/tests/test_models.py

@@ -2,11 +2,12 @@ from __future__ import unicode_literals
 
 from django.test import TestCase
 
+from ..exceptions import KeyDoesNotExist
 from ..models import Key
 
 from .literals import (
     TEST_KEY_DATA, TEST_KEY_FINGERPRINT, TEST_SEARCH_FINGERPRINT,
-    TEST_SEARCH_UID
+    TEST_SEARCH_UID, TEST_SIGNED_FILE
 )
 
 
@@ -31,3 +32,17 @@ class KeyTestCase(TestCase):
 
         self.assertEqual(Key.objects.all().count(), 1)
         self.assertEqual(Key.objects.first().fingerprint, TEST_SEARCH_FINGERPRINT)
+
+    def test_embedded_verification_no_key(self):
+        with open(TEST_SIGNED_FILE) as signed_file:
+            with self.assertRaises(KeyDoesNotExist):
+                Key.objects.verify_file(signed_file)
+
+    def test_embedded_verification_with_key(self):
+        Key.objects.create(key_data=TEST_KEY_DATA)
+
+        with open(TEST_SIGNED_FILE) as signed_file:
+            result = Key.objects.verify_file(signed_file)
+
+        self.assertTrue(result)
+        self.assertEqual(result.fingerprint, TEST_KEY_FINGERPRINT)