Add first set of document signatures API views

Add list, create, detail and edit API views for detached and embedded
signatures.

Signed-off-by: Roberto Rosario <roberto.rosario@mayan-edms.com>

mayan/apps/django_gpg/tests/mixins.py

@@ -2,9 +2,48 @@ from __future__ import unicode_literals
 
 from ..models import Key
 
-from .literals import TEST_KEY_DATA
+from .literals import TEST_KEY_PRIVATE_DATA
+
+
+class KeyAPIViewTestMixin(object):
+    def _request_test_key_create_view(self):
+        return self.post(
+            viewname='rest_api:key-list', data={
+                'key_data': TEST_KEY_PRIVATE_DATA
+            }
+        )
+
+    def _request_test_key_delete_view(self):
+        return self.delete(
+            viewname='rest_api:key-detail', kwargs={
+                'pk': self.test_key_private.pk
+            }
+        )
+
+    def _request_test_key_detail_view(self):
+        return self.get(
+            viewname='rest_api:key-detail', kwargs={
+                'pk': self.test_key_private.pk
+            }
+        )
 
 
 class KeyTestMixin(object):
-    def _create_test_key(self):
-        self.test_key = Key.objects.create(key_data=TEST_KEY_DATA)
+    def _create_test_key_private(self):
+        self.test_key_private = Key.objects.create(
+            key_data=TEST_KEY_PRIVATE_DATA
+        )
+
+
+class KeyViewTestMixin(object):
+    def _request_test_key_download_view(self):
+        return self.get(
+            viewname='django_gpg:key_download', kwargs={'pk': self.test_key_private.pk}
+        )
+
+    def _request_test_key_upload_view(self):
+        return self.post(
+            viewname='django_gpg:key_upload', data={
+                'key_data': TEST_KEY_PRIVATE_DATA
+            }
+        )