diff -r 4d67ae41b9b3 -r 112912309726 server/python/django2/renkanmanager/tests/test_models.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/python/django2/renkanmanager/tests/test_models.py	Wed Jun 29 23:11:56 2016 +0200
@@ -0,0 +1,84 @@
+import json,os
+
+from django.test import TestCase
+from renkanmanager.models import content_copy
+from django.contrib.auth import get_user_model
+
+User = get_user_model()
+
+class ModelsTest(TestCase):
+
+    def setUp(self):
+        test_json_path = os.path.join(os.path.dirname(__file__), 'test_revision_copy.json')
+        with open(test_json_path) as json_file:
+            self.test_json = json_file.read()
+
+    def test_content_copy_call(self):
+        c_copy = content_copy(self.test_json)
+        self.assertIsNotNone(c_copy)
+
+    def test_content_copy_id_key(self):
+        c_copy = content_copy(self.test_json)
+        self.assertIn('id', c_copy)
+        self.assertNotIn('_id', c_copy)
+        for n in c_copy['nodes']:
+            self.assertIn('id', n)
+            self.assertNotIn('_id', n)
+        for u in c_copy['users']:
+            self.assertIn('id', u)
+            self.assertNotIn('_id', u)
+        for v in c_copy['views']:
+            self.assertIn('id', v)
+            self.assertNotIn('_id', v)
+        for e in c_copy['edges']:
+            self.assertIn('id', e)
+            self.assertNotIn('_id', e)
+
+    def test_content_copy_content(self):
+        c_copy = content_copy(self.test_json)
+        c_json = json.loads(self.test_json)
+
+        for k in (c_copy.keys() - ['nodes', 'users', 'views', 'edges', 'id']):
+            self.assertEquals(c_copy[k], c_json[k])
+
+        self.assertEquals(len(c_copy['nodes']), len(c_json['nodes']))
+        for node in c_copy['nodes']:
+            original_nodes = [ n for n in c_json['nodes'] if n['title'] == node['title'] ]
+            self.assertEquals(1,len(original_nodes))
+            for k in (node.keys() - ['id']):
+                self.assertEquals(node[k], original_nodes[0][k])
+
+        self.assertEquals(len(c_copy['edges']), len(c_json['edges']))
+        for edge in c_copy['edges']:
+            original_edges = [ e for e in c_json['edges'] if e['title'] == edge['title'] ]
+            self.assertEquals(1,len(original_edges))
+            orig_edge = original_edges[0]
+            for k in (edge.keys() - ['id', 'from', 'to']):
+                self.assertEquals(edge[k], orig_edge[k])
+            from_copy = [e for e in c_copy['nodes'] if e['id'] == edge['from']][0]
+            from_orig = [e for e in c_json['nodes'] if e['_id'] == orig_edge['from']][0]
+            self.assertEquals(from_copy['title'], from_orig['title'])
+
+            to_copy = [e for e in c_copy['nodes'] if e['id'] == edge['to']][0]
+            to_orig = [e for e in c_json['nodes'] if e['_id'] == orig_edge['to']][0]
+            self.assertEquals(to_copy['title'], to_orig['title'])
+
+        self.assertEquals(len(c_copy['users']), len(c_json['users']))
+        for user in c_copy['users']:
+            original_users = [ u for u in c_json['users'] if u['title'] == user['title'] ]
+            self.assertEquals(1,len(original_users))
+            for k in (user.keys() - ['id']):
+                self.assertEquals(user[k], original_users[0][k])
+
+        self.assertEquals(len(c_copy['views']), len(c_json['views']))
+        for view in c_copy['views']:
+            original_views = [ v for v in c_json['views'] if v['title'] == view['title'] ]
+            self.assertEquals(1,len(original_views))
+            orig_view = original_views[0]
+            for k in (view.keys() - ['id', 'hidden_nodes']):
+                self.assertEquals(view[k], orig_view[k])
+            self.assertEquals(len(view['hidden_nodes']), len(orig_view['hidden_nodes']))
+            copy_hidden_nodes_titles = sorted([ [n for n in c_copy['nodes'] if n['id'] == n_id][0]['title'] for n_id in view['hidden_nodes']])
+            orig_hidden_nodes_titles = sorted([ [n for n in c_json['nodes'] if n['_id'] == n_id][0]['title'] for n_id in orig_view['hidden_nodes']])
+
+            self.assertEquals(copy_hidden_nodes_titles, orig_hidden_nodes_titles)