Minor adjustements to properly interact with Renkan client
authordurandn
Tue, 26 Jan 2016 17:18:04 +0100
changeset 588 95536fa18d0d
parent 587 fb0041aa74d3
child 589 0ae11aa255a3
Minor adjustements to properly interact with Renkan client
.settings/org.eclipse.core.resources.prefs
server/python2/django/renkanmanager/api/views.py
server/python2/django/renkanmanager/auth.py
server/python2/django/renkanmanager/migrations/0002_alter_models_and_populate_revisions.py
server/python2/django/renkanmanager/models.py
server/python2/django/renkanmanager/serializers.py
server/python2/django/renkanmanager/tests/__init__.py
server/python2/django/renkanmanager/tests/tests_renkan.py
server/python2/django/renkanmanager/tests/tests_revision.py
server/python2/django/renkanmanager/tests/tests_workspace.py
--- a/.settings/org.eclipse.core.resources.prefs	Mon Jan 11 18:24:14 2016 +0100
+++ b/.settings/org.eclipse.core.resources.prefs	Tue Jan 26 17:18:04 2016 +0100
@@ -5,5 +5,7 @@
 encoding//server/python/django/renkanmanager/migrations/0001_initial.py=utf-8
 encoding//server/python/django/renkanmanager/utils.py=utf-8
 encoding//server/python/django/renkanmanager/views.py=utf-8
+encoding//server/python2/django/renkanmanager/api/views.py=utf-8
 encoding//server/python2/django/renkanmanager/migrations/0002_alter_models_and_populate_revisions.py=utf-8
 encoding//server/python2/django/renkanmanager/migrations/0003_auto_20160105_0954.py=utf-8
+encoding//server/python2/django/renkanmanager/utils.py=utf-8
--- a/server/python2/django/renkanmanager/api/views.py	Mon Jan 11 18:24:14 2016 +0100
+++ b/server/python2/django/renkanmanager/api/views.py	Tue Jan 26 17:18:04 2016 +0100
@@ -20,7 +20,7 @@
                                       CanEditWorkspace, CanDeleteWorkspace, CanCreateWorkspace, \
                                       CanDeleteRevision
 from renkanmanager.serializers import RenkanSerializer, RevisionSerializer, WorkspaceSerializer
-from renkanmanager.utils import LineNodePlacer, renkan_copier, renkan_deleter
+from renkanmanager.auth import CsrfExemptSessionAuthentication
 from rest_framework import permissions, status
 from rest_framework.response import Response
 from rest_framework.views import APIView
@@ -43,19 +43,26 @@
         else:
             renkans = Renkan.objects.filter(workspace_guid=workspace_guid)
         serializer = RenkanSerializer(renkans, many=True)
-        return Response(serializer.data, status=status.HTTP_200_OK)    
+        return Response(serializer.data, status=status.HTTP_200_OK, content_type='application/json')    
     
     def post(self, request, workspace_guid='', format=None):
         create_data = request.data
         # We check if the POST request is a copy request, either with ?source="id" query arg or with source_revision_guid present in the data
-        source_revision_guid = request.GET.get("source", None) if request.GET.get("source", None) is not None else request.data.get("source_revision_guid", None)
+        source_renkan_guid = request.GET.get("source_renkan_guid", request.data.get("source_renkan_guid", None))
+        source_revision_guid = request.GET.get("source_revision_guid", request.data.get("source_revision_guid", None))
+        if source_renkan_guid is not None:
+            try:
+                source_renkan=Renkan.objects.get(renkan_guid=source_renkan_guid)
+            except Renkan.DoesNotExist:
+                return Response({'detail': 'Source renkan '+source_renkan_guid+' does not exist'}, status=status.HTTP_404_NOT_FOUND)
+            source_revision_guid = source_renkan.current_revision_guid
         if source_revision_guid is not None:
             try:
                 source_revision=Revision.objects.get(revision_guid=source_revision_guid)
             except Revision.DoesNotExist:
                 return Response({'detail': 'Source revision '+source_revision_guid+' does not exist'}, status=status.HTTP_404_NOT_FOUND)
             create_data["source_revision_guid"] = source_revision.revision_guid
-            create_data["title"] = source_revision.title
+            create_data["title"] = request.data.get("title", source_revision.title)
             create_data["content"] = source_revision.content
         if workspace_guid:
             try:
@@ -66,7 +73,7 @@
         serializer = RenkanSerializer(data=create_data)
         if serializer.is_valid():
             serializer.save(creator=request.user)       
-            return Response(serializer.data, status=status.HTTP_201_CREATED)
+            return Response(serializer.data, status=status.HTTP_201_CREATED, content_type='application/json')
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
         
 
@@ -80,6 +87,12 @@
         CanEditRenkan,
         CanDeleteRenkan,
     )
+    authentication_classes = (
+        CsrfExemptSessionAuthentication,
+    )
+    @csrf_exempt
+    def dispatch(self, *args, **kwargs):
+        return super(RenkanDetail, self).dispatch(*args, **kwargs)
     
     def get_object(self, renkan_guid):
         return Renkan.objects.get(renkan_guid=renkan_guid)
@@ -91,7 +104,9 @@
             return Response({'detail': 'Renkan project '+renkan_guid+' does not exist'}, status=status.HTTP_404_NOT_FOUND)
         self.check_object_permissions(request, renkan)
         serializer = RenkanSerializer(renkan)
-        return Response(serializer.data, status=status.HTTP_200_OK)
+        if {'true': True, 'false': False, "0": False, "1": True}.get(request.GET.get("content_only", "false").lower()):
+            return Response(json.loads(serializer.data["content"]), status=status.HTTP_200_OK, content_type='application/json')
+        return Response(serializer.data, status=status.HTTP_200_OK, content_type='application/json')
     
     def put(self, request, renkan_guid, format=None):
         try:
@@ -99,10 +114,16 @@
         except Renkan.DoesNotExist:
             return Response({'detail': 'Renkan project '+renkan_guid+' does not exist'}, status=status.HTTP_404_NOT_FOUND)
         self.check_object_permissions(request, renkan)
-        serializer = RenkanSerializer(renkan, data=request.data)
+        if {'true': True, 'false': False, "0": False, "1": True}.get(request.GET.get("content_only", "false").lower()):
+            put_data = {}
+            put_data["content"] = json.dumps(request.data)
+            put_data["title"] = request.data.get("title", "")
+        else: 
+            put_data = request.data
+        serializer = RenkanSerializer(renkan, data=put_data)
         if serializer.is_valid():
             serializer.save(updator=request.user)
-            return Response(serializer.data, status=status.HTTP_200_OK)
+            return Response(serializer.data, status=status.HTTP_200_OK, content_type='application/json')
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
     
     def delete(self, request, renkan_guid, format=None):
@@ -139,7 +160,7 @@
         serializer = WorkspaceSerializer(data=request.data)
         if serializer.is_valid():
             serializer.save(creator=request.user)       
-            return Response(serializer.data, status=status.HTTP_201_CREATED)
+            return Response(serializer.data, status=status.HTTP_201_CREATED, content_type='application/json')
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
     
 class WorkspaceDetail(APIView):
@@ -162,7 +183,7 @@
             return Response({'detail': 'Workspace '+workspace_guid+' does not exist.'}, status=status.HTTP_404_NOT_FOUND)
         self.check_object_permissions(request, workspace)
         serializer = WorkspaceSerializer(workspace)
-        return Response(serializer.data, status=status.HTTP_200_OK)
+        return Response(serializer.data, status=status.HTTP_200_OK, content_type='application/json')
     
     def put(self, request, workspace_guid, format=None):
         try:
@@ -173,7 +194,7 @@
         serializer = WorkspaceSerializer(workspace, data=request.data)
         if serializer.is_valid():
             serializer.save()       
-            return Response(serializer.data, status=status.HTTP_200_OK)
+            return Response(serializer.data, status=status.HTTP_200_OK, content_type='application/json')
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
     
     def delete(self, request, workspace_guid, format=None):
@@ -201,7 +222,7 @@
         if not revisions:
             return Response({'detail': 'Renkan project '+renkan_guid+' does not exist'}, status=status.HTTP_404_NOT_FOUND)
         serializer = RevisionSerializer(revisions.all(), many=True)
-        return Response(serializer.data, status=status.HTTP_200_OK)
+        return Response(serializer.data, status=status.HTTP_200_OK, content_type='application/json')
 
 class RevisionDetail(APIView):
     """
@@ -225,7 +246,7 @@
             return Response({'detail': 'Revision '+revision_guid+' does not exist'}, status=status.HTTP_404_NOT_FOUND)
         self.check_object_permissions(request, revision)
         serializer = RevisionSerializer(revision)
-        return Response(serializer.data, status=status.HTTP_200_OK)
+        return Response(serializer.data, status=status.HTTP_200_OK, content_type='application/json')
     
     def delete(self, request, renkan_guid, revision_guid, format=None):
         revisions = self.get_queryset(renkan_guid)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/python2/django/renkanmanager/auth.py	Tue Jan 26 17:18:04 2016 +0100
@@ -0,0 +1,10 @@
+from rest_framework.authentication import SessionAuthentication 
+
+class CsrfExemptSessionAuthentication(SessionAuthentication):
+    """
+        Session authentication class to use with Renkan client, as it does not provide a csrf token
+    """
+    
+    
+    def enforce_csrf(self, request):
+        return
\ No newline at end of file
--- a/server/python2/django/renkanmanager/migrations/0002_alter_models_and_populate_revisions.py	Mon Jan 11 18:24:14 2016 +0100
+++ b/server/python2/django/renkanmanager/migrations/0002_alter_models_and_populate_revisions.py	Tue Jan 26 17:18:04 2016 +0100
@@ -38,7 +38,7 @@
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                 ('revision_guid', models.CharField(default=uuid.uuid4, unique=True, max_length=256)),
                 ('parent_renkan_guid', models.CharField(max_length=256)),
-                ('title', models.CharField(max_length=1024, null=True)),
+                ('title', models.CharField(max_length=1024, null=True, blank=True)),
                 ('content', models.TextField(null=True, blank=True)),
                 ('creation_date', models.DateTimeField(auto_now_add=True)),
                 ('modification_date', models.DateTimeField(auto_now=True)),
--- a/server/python2/django/renkanmanager/models.py	Mon Jan 11 18:24:14 2016 +0100
+++ b/server/python2/django/renkanmanager/models.py	Tue Jan 26 17:18:04 2016 +0100
@@ -70,7 +70,7 @@
     
     revision_guid = models.CharField(max_length=256, default=uuid.uuid4, unique=True) # typically UUID
     parent_renkan_guid = models.CharField(max_length=256)
-    title = models.CharField(max_length=1024, null=True)
+    title = models.CharField(max_length=1024, null=True, blank=True)
     content = models.TextField(blank=True, null=True)
     creator = models.ForeignKey(auth_user_model, blank=True, null=True, related_name="revision_creator")
     last_updated_by = models.ForeignKey(auth_user_model, blank=True, null=True, related_name="revision_last_updated_by")
--- a/server/python2/django/renkanmanager/serializers.py	Mon Jan 11 18:24:14 2016 +0100
+++ b/server/python2/django/renkanmanager/serializers.py	Tue Jan 26 17:18:04 2016 +0100
@@ -1,7 +1,8 @@
+import json
 import uuid
 
 from guardian.shortcuts import assign_perm
-from models import Renkan, Workspace, Revision
+from renkanmanager.models import Renkan, Workspace, Revision
 from rest_framework import serializers
 
 
@@ -14,7 +15,7 @@
     project_created_by = serializers.StringRelatedField(source="creator")
     last_updated_by = serializers.SerializerMethodField("get_current_revision_last_updator")
     title = serializers.CharField(required=False)
-    content = serializers.CharField(required=False)
+    content = serializers.JSONField(required=False)
     creation_date = serializers.ReadOnlyField()
     modification_date = serializers.SerializerMethodField("get_current_revision_modification_date")
     create_new_revision = serializers.BooleanField(write_only=True, required=False) # only used for updating
@@ -36,8 +37,7 @@
         creator = validated_data.get('creator')
         renkan = Renkan.objects.create()
         initial_revision = Revision.objects.create()
-        initial_revision.title = validated_data.get('title', '')
-        initial_revision.content = validated_data.get('content', '{}')
+        initial_revision.title = validated_data.get('title', 'Untitled renkan')
         initial_revision.parent_renkan_guid = renkan.renkan_guid
         initial_revision.creator = creator
         initial_revision.last_updated_by = validated_data.get('creator', '')
@@ -45,6 +45,20 @@
         renkan.workspace_guid = validated_data.get('workspace_guid', '')
         renkan.source_revision_guid = validated_data.get('source_revision_guid', '')
         renkan.creator = creator
+        initial_revision.content = validated_data.get('content', json.dumps(
+            {
+                "id": str(renkan.renkan_guid),
+                "title": initial_revision.title,
+                "description": "",
+                "created": str(initial_revision.creation_date),
+                "updated": str(initial_revision.modification_date),
+                "edges": [],
+                "nodes": [],
+                "users": [],
+                "space_id": str(renkan.workspace_guid),
+                "views": []
+            }
+        ))
         initial_revision.save()
         renkan.save()
         assign_perm('view_renkan', creator, renkan)
@@ -59,16 +73,16 @@
             Method to update a Renkan object. Creates a new revision if needed
         """
         updator = validated_data.get('updator')
+        current_revision = Revision.objects.get(revision_guid=renkan.current_revision_guid)  
         if validated_data.get("create_new_revision", False):
             revision_to_update = Revision.objects.create()
             revision_to_update.parent_renkan_guid = renkan.renkan_guid
             revision_to_update.creator = updator
             renkan.current_revision_guid = revision_to_update.revision_guid
         else:
-            revision_to_update = Revision.objects.get(revision_guid=renkan.current_revision_guid)   
-        
-        revision_to_update.title = validated_data.get('title', '')
-        revision_to_update.content = validated_data.get('content', '{}')
+            revision_to_update = current_revision
+        revision_to_update.title = validated_data.get('title', current_revision.title)
+        revision_to_update.content = validated_data.get('content', current_revision.content)
         revision_to_update.last_updated_by = updator
         revision_to_update.save()
         if not updator.has_perm('view_revision', revision_to_update):
@@ -86,6 +100,23 @@
         if self.instance is not None:
             raise serializers.ValidationError("You cannot update source_revision_guid")
         return value
+    
+    def validate_content(self, value):
+        
+        try:
+            json.loads(value)
+        except ValueError:
+            raise serializers.ValidationError("Content format is not a JSON-serializable")
+        loaded_json = json.loads(value)
+            
+        if (not "nodes" in loaded_json):
+            raise serializers.ValidationError("Content requires a 'nodes' entry")
+        if (not "edges" in loaded_json):
+            raise serializers.ValidationError("Content requires a 'edges' entry")
+        if (not "views" in loaded_json):
+            raise serializers.ValidationError("Content requires a 'views' entry")
+            
+        return value
 
 
 class RevisionSerializer(serializers.Serializer):
@@ -93,7 +124,7 @@
     parent_renkan_guid = serializers.ReadOnlyField()
     workspace_guid = serializers.SerializerMethodField("get_related_workspace_guid")
     title = serializers.ReadOnlyField()
-    content = serializers.ReadOnlyField()
+    content = serializers.JSONField(read_only=True)
     project_created_by = serializers.SerializerMethodField("get_related_project_creator")
     project_creation_date = serializers.SerializerMethodField("get_related_project_creation_date")
     revision_created_by = serializers.StringRelatedField(source="creator")
--- a/server/python2/django/renkanmanager/tests/__init__.py	Mon Jan 11 18:24:14 2016 +0100
+++ b/server/python2/django/renkanmanager/tests/__init__.py	Tue Jan 26 17:18:04 2016 +0100
@@ -1,3 +1,3 @@
-from tests_renkan import *
-from tests_workspace import *
-from tests_revision import *
\ No newline at end of file
+from .tests_renkan import *
+from .tests_workspace import *
+from .tests_revision import *
\ No newline at end of file
--- a/server/python2/django/renkanmanager/tests/tests_renkan.py	Mon Jan 11 18:24:14 2016 +0100
+++ b/server/python2/django/renkanmanager/tests/tests_renkan.py	Tue Jan 26 17:18:04 2016 +0100
@@ -12,18 +12,57 @@
 class RenkanTests(APITestCase):
     
     def setUp(self):
-        User.objects.create_superuser('blop', 'blop@blop.com', 'blop')
-        self.user = User.objects.get(username='blop')
-        _ = self.client.login(username='blop', password='blop')
-        User.objects.create_user('blip', 'blip@blip.com', 'blip')
-        self.unauthorized_user = User.objects.get(username='blip')
+        User.objects.create_superuser("blop", "blop@blop.com", "blop")
+        self.user = User.objects.get(username="blop")
+        _ = self.client.login(username="blop", password="blop")
+        User.objects.create_user("blip", "blip@blip.com", "blip")
+        self.unauthorized_user = User.objects.get(username="blip")
         
         # POSTing test workspace
-        post_url = reverse('workspace_list')
-        test_title = 'bleh_title'
-        data = {'title': test_title}
-        post_response = self.client.post(post_url, data, format='json')
-        self.test_workspace_guid = json.loads(post_response.content).get('workspace_guid')
+        post_url = reverse("workspace_list")
+        test_title = "bleh_title"
+        data = {"title": test_title}
+        post_response = self.client.post(post_url, data, format="json")
+        self.test_workspace_guid = json.loads(post_response.content.decode()).get("workspace_guid")
+        self.first_test_title = "test_title_1"
+        self.first_test_content = json.dumps({
+            "id": "",
+            "title": "test_title_1",
+            "description": "test_description_1",
+            "created": "",
+            "updated": "",
+            "edges": [],
+            "nodes": [],
+            "users": [],
+            "space_id": "",
+            "views": []
+        })
+        self.second_test_title = "test_title_1"
+        self.second_test_content = json.dumps({
+            "id": "",
+            "title": "test_title_2",
+            "description": "test_description_2",
+            "created": "",
+            "updated": "",
+            "edges": [],
+            "nodes": [],
+            "users": [],
+            "space_id": "",
+            "views": []
+        })
+        self.third_test_title = "test_title_1"
+        self.third_test_content = json.dumps({
+            "id": "",
+            "title": "test_title_3",
+            "description": "test_description_3",
+            "created": "",
+            "updated": "",
+            "edges": [],
+            "nodes": [],
+            "users": [],
+            "space_id": "",
+            "views": []
+        })
         
     def test_create_renkan(self):
         
@@ -31,101 +70,104 @@
         # POSTing new Renkan
         ###################################################
         
-        post_url = reverse('renkan_list')
-        test_title = 'bleh_title'
-        test_content = json.dumps({'title': 'bleh_title', 'some_random_stuff': 'wow'})
-        data = {'title': test_title, 'content': test_content}
+        post_url = reverse("renkan_list")
+        data = {"title": self.first_test_title, "content": self.first_test_content}
         
-        post_response = self.client.post(post_url, data, format='json')
+        post_response = self.client.post(post_url, data, format="json")
         self.assertEqual(post_response.status_code, status.HTTP_201_CREATED)
         self.assertEqual(Renkan.objects.count(), 1)
         self.assertEqual(Revision.objects.count(), 1)
         
         # Checking POSTed Renkan data
-        post_response_dict = json.loads(post_response.content)
-        new_renkan_guid = post_response_dict.get('renkan_guid', '')
+        post_response_dict = json.loads(post_response.content.decode())
+        new_renkan_guid = post_response_dict.get("renkan_guid", "")
         new_renkan = Renkan.objects.get(renkan_guid=new_renkan_guid)
         # GUIDs and username
-        self.assertEqual(self.user.username, post_response_dict.get('project_created_by', ''))
-        self.assertEqual(self.user.username, post_response_dict.get('last_updated_by', ''))
+        self.assertEqual(self.user.username, post_response_dict.get("project_created_by", ""))
+        self.assertEqual(self.user.username, post_response_dict.get("last_updated_by", ""))
         self.assertEqual(self.user.username, new_renkan.creator.username)
         # Content and title extracted from revision
-        self.assertEqual(new_renkan.title, test_title)
-        self.assertEqual(new_renkan.content, test_content)
+        self.assertEqual(new_renkan.title, self.first_test_title)
+        self.assertEqual(new_renkan.content, self.first_test_content)
         # Revision count
         self.assertEqual(new_renkan.revision_count, 1)
-        self.assertEqual(post_response_dict.get('revision_count', ''), 1)
+        self.assertEqual(post_response_dict.get("revision_count", ""), 1)
         
         # Checking POSTed Renkan revision data
-        new_renkan_revision_guid = post_response_dict.get('current_revision_guid', '')
+        new_renkan_revision_guid = post_response_dict.get("current_revision_guid", "")
         new_renkan_revision = Revision.objects.get(revision_guid = new_renkan_revision_guid)
         # GUIDs and username
         self.assertEqual(self.user.username, new_renkan_revision.creator.username)
         self.assertEqual(self.user.username, new_renkan_revision.last_updated_by.username)
         # Title and content
         #    in the response
-        self.assertEqual(post_response_dict.get('title', ''), test_title)
-        self.assertEqual(post_response_dict.get('content', ''), test_content)
+        self.assertEqual(post_response_dict.get("title", ""), self.first_test_title)
+        self.assertEqual(post_response_dict.get("content", ""), self.first_test_content)
         #    in the database
-        self.assertEqual(new_renkan_revision.title, test_title)
-        self.assertEqual(new_renkan_revision.content, test_content)
+        self.assertEqual(new_renkan_revision.title, self.first_test_title)
+        self.assertEqual(new_renkan_revision.content, self.first_test_content)
         
         # Checking permission
-        self.assertTrue(self.user.has_perm('view_renkan', new_renkan))
+        self.assertTrue(self.user.has_perm("view_renkan", new_renkan))
         
         ###################################################
         # POSTing new Renkan into workspace
         ###################################################
         
-        post_url = reverse('renkan_list_workspace', kwargs={'workspace_guid': self.test_workspace_guid})
-        test_title = 'bleh_title_2'
-        test_content = json.dumps({'title': 'bleh_title_2', 'some_random_stuff': 'wow_2'})
-        data = {'title': test_title, 'content': test_content}
+        post_url = reverse("renkan_list_workspace", kwargs={"workspace_guid": self.test_workspace_guid})
+        data = {"title": self.second_test_title, "content": self.second_test_content}
         
-        post_response = self.client.post(post_url, data, format='json')
+        post_response = self.client.post(post_url, data, format="json")
         self.assertEqual(post_response.status_code, status.HTTP_201_CREATED)
         self.assertEqual(Renkan.objects.count(), 2)
         self.assertEqual(Revision.objects.count(), 2)
         
         # Checking POSTed Renkan data
-        post_response_dict = json.loads(post_response.content)
-        new_renkan_guid = post_response_dict.get('renkan_guid', '')
+        post_response_dict = json.loads(post_response.content.decode())
+        new_renkan_guid = post_response_dict.get("renkan_guid", "")
         new_renkan = Renkan.objects.get(renkan_guid=new_renkan_guid)
         # GUIDs and username
-        self.assertEqual(self.test_workspace_guid, post_response_dict.get('workspace_guid', ''))
+        self.assertEqual(self.test_workspace_guid, post_response_dict.get("workspace_guid", ""))
         self.assertEqual(self.test_workspace_guid, new_renkan.workspace_guid)
-        self.assertEqual(self.user.username, post_response_dict.get('project_created_by', ''))
-        self.assertEqual(self.user.username, post_response_dict.get('last_updated_by', ''))
+        self.assertEqual(self.user.username, post_response_dict.get("project_created_by", ""))
+        self.assertEqual(self.user.username, post_response_dict.get("last_updated_by", ""))
         self.assertEqual(self.user.username, new_renkan.creator.username)
         # Content and title extracted from revision
-        self.assertEqual(new_renkan.title, test_title)
-        self.assertEqual(new_renkan.content, test_content)
+        self.assertEqual(new_renkan.title, self.second_test_title)
+        self.assertEqual(new_renkan.content, self.second_test_content)
         # Revision count
         self.assertEqual(new_renkan.revision_count, 1)
-        self.assertEqual(post_response_dict.get('revision_count', ''), 1)
+        self.assertEqual(post_response_dict.get("revision_count", ""), 1)
+        
+        ###################################################
+        # POSTing new Renkan with no content
+        ###################################################
+        post_url = reverse("renkan_list_workspace", kwargs={"workspace_guid": self.test_workspace_guid})
+        test_title = "bleh_title_2"
+        data = {"title": test_title}
+        post_response = self.client.post(post_url, data, format="json")
+        self.assertEqual(post_response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(Renkan.objects.count(), 3)
+        self.assertEqual(Revision.objects.count(), 3)
         
         ###################################################
         # POSTing with wrong workspace_guid
         ###################################################
         
-        post_url = reverse('renkan_list_workspace', kwargs={'workspace_guid': 'bleh-bad-workspace-guid'})
-        test_title = 'bleh_title_3'
-        test_content = json.dumps({'title': 'bleh_title_3', 'some_random_stuff': 'wow_3'})
-        data = {'title': test_title, 'content': test_content}
+        post_url = reverse("renkan_list_workspace", kwargs={"workspace_guid": "bleh-bad-workspace-guid"})
+        data = {"title": self.third_test_title, "content": self.third_test_content}
         
-        post_response = self.client.post(post_url, data, format='json')
+        post_response = self.client.post(post_url, data, format="json")
         self.assertEqual(post_response.status_code, status.HTTP_404_NOT_FOUND)
         
         ###################################################
         # try POSTing with unauthorized user 
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        post_url = reverse('renkan_list_workspace', kwargs={'workspace_guid': self.test_workspace_guid})
-        test_title = 'shouldnt_work'
-        test_content = json.dumps({'title': 'shouldnt_work', 'some_random_stuff': 'test'})
-        data = {'title': test_title, 'content': test_content}
-        post_response = self.client.post(post_url, data, format='json')
+        _ = self.client.login(username="blip", password="blip")
+        post_url = reverse("renkan_list_workspace", kwargs={"workspace_guid": self.test_workspace_guid})
+        data = {"title": self.third_test_title, "content": self.third_test_content}
+        post_response = self.client.post(post_url, data, format="json")
         self.assertEqual(post_response.status_code, status.HTTP_403_FORBIDDEN)
         
     def test_get_renkan(self):
@@ -134,43 +176,43 @@
         # POSTing new Renkan
         ###################################################
         
-        post_url = reverse('renkan_list')
+        post_url = reverse("renkan_list")
         data = {}
-        post_response = self.client.post(post_url, data, format='json')
-        post_response_dict = json.loads(post_response.content)
-        new_renkan_guid = post_response_dict.get('renkan_guid', '')
-        new_revision_guid = post_response_dict.get('current_revision_guid', '')
+        post_response = self.client.post(post_url, data, format="json")
+        post_response_dict = json.loads(post_response.content.decode())
+        new_renkan_guid = post_response_dict.get("renkan_guid", "")
+        new_revision_guid = post_response_dict.get("current_revision_guid", "")
         
         ###################################################
         # GETting posted Renkan
         ###################################################
         
-        get_url = reverse('renkan_detail', kwargs={'renkan_guid':new_renkan_guid})
-        get_response = self.client.get(get_url, format='json')
+        get_url = reverse("renkan_detail", kwargs={"renkan_guid":new_renkan_guid})
+        get_response = self.client.get(get_url, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_200_OK)
         
         # Checking GET data
-        get_response_dict = json.loads(get_response.content)
-        self.assertEqual(new_renkan_guid, get_response_dict.get('renkan_guid', ''))
-        self.assertEqual(new_revision_guid, get_response_dict.get('current_revision_guid', ''))
-        self.assertEqual(self.user.username, get_response_dict.get('project_created_by', ''))
-        self.assertEqual(self.user.username, get_response_dict.get('last_updated_by', ''))
+        get_response_dict = json.loads(get_response.content.decode())
+        self.assertEqual(new_renkan_guid, get_response_dict.get("renkan_guid", ""))
+        self.assertEqual(new_revision_guid, get_response_dict.get("current_revision_guid", ""))
+        self.assertEqual(self.user.username, get_response_dict.get("project_created_by", ""))
+        self.assertEqual(self.user.username, get_response_dict.get("last_updated_by", ""))
         
         ###################################################
         # GETting with wrong guid
         ###################################################
         
-        get_url = reverse('renkan_detail', kwargs={'renkan_guid': 'bad-id'})
-        get_response = self.client.get(get_url, format='json')
+        get_url = reverse("renkan_detail", kwargs={"renkan_guid": "bad-id"})
+        get_response = self.client.get(get_url, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_404_NOT_FOUND)
         
         ###################################################
         # try GETting with unauthorized user 
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        get_url = reverse('renkan_detail', kwargs={'renkan_guid': new_renkan_guid})
-        get_response = self.client.get(get_url, format='json')
+        _ = self.client.login(username="blip", password="blip")
+        get_url = reverse("renkan_detail", kwargs={"renkan_guid": new_renkan_guid})
+        get_response = self.client.get(get_url, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_403_FORBIDDEN)
     
     def test_get_renkan_list(self):
@@ -179,25 +221,21 @@
         # POSTing new Renkans
         ###################################################
         
-        post_url = reverse('renkan_list')
-        first_test_title = 'bleh_title'
-        first_test_content = json.dumps({'title': 'bleh_title', 'some_random_stuff': 'wow'})
-        second_test_title = 'bleh_title_2'
-        second_test_content = json.dumps({'title': 'bleh_title_2', 'some_random_stuff': 'such'})
-        first_data = {'title': first_test_title, 'content': first_test_content}
-        second_data = {'title': second_test_title, 'content': second_test_content}
-        self.client.post(post_url, first_data, format='json')
-        self.client.post(post_url, second_data, format='json')
+        post_url = reverse("renkan_list")
+        first_data = {"title": self.first_test_title, "content": self.first_test_content}
+        second_data = {"title": self.second_test_title, "content": self.second_test_content}
+        self.client.post(post_url, first_data, format="json")
+        self.client.post(post_url, second_data, format="json")
         
         ###################################################
         # GETting posted Renkans
         ###################################################
         
         get_url = post_url
-        get_response = self.client.get(get_url, format='json')
+        get_response = self.client.get(get_url, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_200_OK)
         
-        get_response_content = json.loads(get_response.content) # Should be a list
+        get_response_content = json.loads(get_response.content.decode()) # Should be a list
         self.assertTrue(isinstance(get_response_content, list))
         self.assertEqual(len(get_response_content), 2)
         
@@ -205,21 +243,19 @@
         # POSTing new Renkan into workspace
         ###################################################
         
-        post_url = reverse('renkan_list_workspace', kwargs={'workspace_guid': self.test_workspace_guid})
-        third_test_title = 'bleh_title'
-        third_test_content = json.dumps({'title': 'bleh_title_3rd', 'some_random_stuff': 'wow much'})
-        third_data = {'title': third_test_title, 'content': third_test_content}
-        self.client.post(post_url, third_data, format='json')
+        post_url = reverse("renkan_list_workspace", kwargs={"workspace_guid": self.test_workspace_guid})
+        third_data = {"title": self.third_test_title, "content": self.third_test_content}
+        self.client.post(post_url, third_data, format="json")
         
         ###################################################
         # GETting posted Renkans
         ###################################################
         
         get_url = post_url
-        get_response = self.client.get(get_url, format='json')
+        get_response = self.client.get(get_url, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_200_OK)
         
-        get_response_content = json.loads(get_response.content) # Should be a list
+        get_response_content = json.loads(get_response.content.decode()) # Should be a list
         self.assertTrue(isinstance(get_response_content, list))
         self.assertEqual(len(get_response_content), 1)
         
@@ -230,123 +266,115 @@
         # POSTing new Renkan
         ###################################################
         
-        post_url = reverse('renkan_list')
+        post_url = reverse("renkan_list")
         data = {}
-        post_response = self.client.post(post_url, data, format='json')
-        post_response_dict = json.loads(post_response.content)
-        renkan_guid = post_response_dict.get('renkan_guid', '')
-        revision_guid = post_response_dict.get('current_revision_guid', '')
-        
-        ###################################################
-        # Init PUT data
-        ###################################################
-        first_put_title = 'edited_title'
-        first_put_content = json.dumps({'title': 'edited_title', 'nodes': 1})
-        second_put_title = 'edited_title_2'
-        second_put_content = json.dumps({'title': 'edited_title_2', 'nodes': 2})
+        post_response = self.client.post(post_url, data, format="json")
+        post_response_dict = json.loads(post_response.content.decode())
+        renkan_guid = post_response_dict.get("renkan_guid", "")
+        revision_guid = post_response_dict.get("current_revision_guid", "")
 
         ###################################################
         # PUTting by updating current revision
         ###################################################
         
-        put_url = reverse('renkan_detail', kwargs={'renkan_guid': renkan_guid})
+        put_url = reverse("renkan_detail", kwargs={"renkan_guid": renkan_guid})
         put_data = {
-            'title' : first_put_title,
-            'content' : first_put_content,
-            'create_new_revision': False
+            "title" : self.first_test_title,
+            "content" : self.first_test_content,
+            "create_new_revision": False
         }
-        put_response = self.client.put(put_url, put_data, format='json')
+        put_response = self.client.put(put_url, put_data, format="json")
         self.assertEqual(put_response.status_code, status.HTTP_200_OK)
-        put_response_dict = json.loads(put_response.content)
-        # checking we're still on the same revision as the initial one
+        put_response_dict = json.loads(put_response.content.decode())
+        # checking we"re still on the same revision as the initial one
         updated_project = Renkan.objects.get(renkan_guid=renkan_guid)
-        self.assertEqual(revision_guid, put_response_dict.get('current_revision_guid', ''))
-        self.assertEqual(put_response_dict.get('revision_count', ''), 1)
+        self.assertEqual(revision_guid, put_response_dict.get("current_revision_guid", ""))
+        self.assertEqual(put_response_dict.get("revision_count", ""), 1)
         self.assertEqual(updated_project.revision_count, 1)
         
         self.assertEqual(revision_guid, updated_project.current_revision_guid)
         # checking data was updated
         #     in the reponse
-        self.assertEqual(put_response_dict.get('title', ''), first_put_title)
-        self.assertEqual(put_response_dict.get('content', ''), first_put_content)
+        self.assertEqual(put_response_dict.get("title", ""), self.first_test_title)
+        self.assertEqual(put_response_dict.get("content", ""), self.first_test_content)
         #     in the database
         updated_revision = Revision.objects.get(revision_guid=revision_guid)
-        self.assertEqual(updated_revision.title, first_put_title)
-        self.assertEqual(updated_revision.content, first_put_content)
+        self.assertEqual(updated_revision.title, self.first_test_title)
+        self.assertEqual(updated_revision.content, self.first_test_content)
         
         ###################################################
         # PUTting by creating a new revision
         ###################################################
         
         put_data = {
-            'title' : second_put_title,
-            'content' : second_put_content,
-            'create_new_revision': True
+            "title" : self.second_test_title,
+            "content" : self.second_test_content,
+            "create_new_revision": True
         }
-        put_response = self.client.put(put_url, put_data, format='json')
+        put_response = self.client.put(put_url, put_data, format="json")
         self.assertEqual(put_response.status_code, status.HTTP_200_OK)  
-        put_response_dict = json.loads(put_response.content)
+        put_response_dict = json.loads(put_response.content.decode())
         
         # checking we created a new revision
         updated_project = Renkan.objects.get(renkan_guid=renkan_guid)
-        created_revision_guid = put_response_dict.get('current_revision_guid', '')
+        created_revision_guid = put_response_dict.get("current_revision_guid", "")
         self.assertNotEqual(created_revision_guid, revision_guid)
         self.assertEqual(Renkan.objects.count(), 1)
         self.assertEqual(Revision.objects.count(), 2)
-        self.assertEqual(put_response_dict.get('revision_count', ''), 2)
+        self.assertEqual(put_response_dict.get("revision_count", ""), 2)
         self.assertEqual(updated_project.revision_count, 2)
         
         # checking project now points towards new revision
         self.assertEqual(updated_project.current_revision_guid, created_revision_guid)
         # checking data was updated
         #     in the reponse
-        self.assertEqual(put_response_dict.get('title', ''), second_put_title)
-        self.assertEqual(put_response_dict.get('content', ''), second_put_content)
+        self.assertEqual(put_response_dict.get("title", ""), self.second_test_title)
+        self.assertEqual(put_response_dict.get("content", ""), self.second_test_content)
         #     in the database
         updated_revision = Revision.objects.get(revision_guid=created_revision_guid)
-        self.assertEqual(updated_revision.title, second_put_title)
-        self.assertEqual(updated_revision.content, second_put_content)
+        self.assertEqual(updated_revision.title, self.second_test_title)
+        self.assertEqual(updated_revision.content, self.second_test_content)
         
         ###################################################
         # try to update source_revision_guid or workspace_guid
         ###################################################
         
         put_data = {
-            'title' : second_put_title,
-            'content' : second_put_content,
-            'workspace_guid': 'bleh-workspace-guid' # should fail without even checking the id
+            "title" : self.third_test_title,
+            "content" : self.third_test_content,
+            "workspace_guid": "bleh-workspace-guid" # should fail without even checking the id
         }
-        put_response = self.client.put(put_url, put_data, format='json')
+        put_response = self.client.put(put_url, put_data, format="json")
         self.assertEqual(put_response.status_code, status.HTTP_400_BAD_REQUEST)
         
         put_data = {
-            'title' : second_put_title,
-            'content' : second_put_content,
-            'source_revision_guid' : 'bleh-revision-guid' # should fail without even checking the id
+            "title" : self.third_test_title,
+            "content" : self.third_test_content,
+            "source_revision_guid" : "bleh-revision-guid" # should fail without even checking the id
         }
-        put_response = self.client.put(put_url, put_data, format='json')
+        put_response = self.client.put(put_url, put_data, format="json")
         self.assertEqual(put_response.status_code, status.HTTP_400_BAD_REQUEST)
         
         ###################################################
         # PUTting with wrong guid
         ###################################################
         
-        put_url = reverse('renkan_detail', kwargs={'renkan_guid': 'bad-id'})
-        put_response = self.client.put(put_url, {}, format='json')
+        put_url = reverse("renkan_detail", kwargs={"renkan_guid": "bad-id"})
+        put_response = self.client.put(put_url, {}, format="json")
         self.assertEqual(put_response.status_code, status.HTTP_404_NOT_FOUND)
         
         ###################################################
         # try PUTting with unauthorized user 
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        put_url = reverse('renkan_detail', kwargs={'renkan_guid': renkan_guid})
+        _ = self.client.login(username="blip", password="blip")
+        put_url = reverse("renkan_detail", kwargs={"renkan_guid": renkan_guid})
         put_data = {
-            'title' : 'wont_work',
-            'content' : json.dumps({'title': 'wont_work', 'nodes': 0}),
-            'create_new_revision': False
+            "title" : self.third_test_title,
+            "content" : self.third_test_content,
+            "create_new_revision": False
         }
-        put_response = self.client.put(put_url, put_data, format='json')
+        put_response = self.client.put(put_url, put_data, format="json")
         self.assertEqual(put_response.status_code, status.HTTP_403_FORBIDDEN)
         
     def test_copy_renkan(self):
@@ -355,95 +383,151 @@
         # POSTing new Renkan
         ###################################################
         
-        post_url = reverse('renkan_list')
-        test_title = 'bleh_title'
-        test_content = json.dumps({'title': 'bleh_title', 'some_random_stuff': 'wow'})
-        data = {'title': test_title, 'content': test_content}
-        post_response = self.client.post(post_url, data, format='json')
-        post_response_dict = json.loads(post_response.content)
-        source_renkan_guid = post_response_dict.get('renkan_guid', '')
-        source_revision_guid = post_response_dict.get('current_revision_guid', '')
+        post_url = reverse("renkan_list")
+        data = {"title": self.first_test_title, "content": self.first_test_content}
+        post_response = self.client.post(post_url, data, format="json")
+        post_response_dict = json.loads(post_response.content.decode())
+        source_renkan_guid = post_response_dict.get("renkan_guid", "")
+        source_revision_guid = post_response_dict.get("current_revision_guid", "")
         
         ###################################################
-        # POSTing copy with query arg
+        # POSTing copy with query arg for RENKAN guid
         ###################################################
         
-        first_copy_data = {}
-        first_copy_url = post_url+'?source='+source_revision_guid
-        first_copy_response = self.client.post(first_copy_url, first_copy_data, format='json')
-        first_copy_response_dict = json.loads(first_copy_response.content)
+        first_copy_data = {"title": "new_title_copy_1"}
+        first_copy_url = post_url+"?source_renkan_guid="+source_renkan_guid
+        first_copy_response = self.client.post(first_copy_url, first_copy_data, format="json")
+        first_copy_response_dict = json.loads(first_copy_response.content.decode())
         self.assertEqual(first_copy_response.status_code, status.HTTP_201_CREATED)  
         self.assertEqual(Renkan.objects.count(), 2)
         # Checking data
         #     in the response
-        self.assertNotEqual(first_copy_response_dict.get('renkan_guid'), source_renkan_guid)
-        self.assertEqual(first_copy_response_dict.get('source_revision_guid'), source_revision_guid)
-        self.assertEqual(first_copy_response_dict.get('title', ''), test_title)
-        self.assertEqual(first_copy_response_dict.get('content', ''), test_content)
-        self.assertEqual(first_copy_response_dict.get('project_created_by', ''), self.user.username)
-        self.assertEqual(first_copy_response_dict.get('last_updated_by', ''), self.user.username)
+        self.assertNotEqual(first_copy_response_dict.get("renkan_guid"), source_renkan_guid)
+        self.assertEqual(first_copy_response_dict.get("source_revision_guid"), source_revision_guid)
+        self.assertEqual(first_copy_response_dict.get("title", ""), "new_title_copy_1")
+        self.assertEqual(first_copy_response_dict.get("content", ""), self.first_test_content)
+        self.assertEqual(first_copy_response_dict.get("project_created_by", ""), self.user.username)
+        self.assertEqual(first_copy_response_dict.get("last_updated_by", ""), self.user.username)
         #     in the database
-        first_copy = Renkan.objects.get(renkan_guid=first_copy_response_dict.get('renkan_guid', ''))
-        first_copy_revision = Revision.objects.get(revision_guid=first_copy_response_dict.get('current_revision_guid', ''))
-        self.assertEqual(first_copy.title, test_title)
-        self.assertEqual(first_copy.content, test_content)
-        self.assertEqual(first_copy_revision.title, test_title)
-        self.assertEqual(first_copy_revision.content, test_content)
+        first_copy = Renkan.objects.get(renkan_guid=first_copy_response_dict.get("renkan_guid", ""))
+        first_copy_revision = Revision.objects.get(revision_guid=first_copy_response_dict.get("current_revision_guid", ""))
+        self.assertEqual(first_copy.title, "new_title_copy_1")
+        self.assertEqual(first_copy.content, self.first_test_content)
+        self.assertEqual(first_copy_revision.title, "new_title_copy_1")
+        self.assertEqual(first_copy_revision.content, self.first_test_content)
         self.assertEqual(first_copy.creator.username, self.user.username)
         self.assertEqual(first_copy_revision.creator.username, self.user.username)
         self.assertEqual(first_copy_revision.last_updated_by.username, self.user.username)
         
         ###################################################
-        # POSTing copy with source_revision_guid in data
+        # POSTing copy with source_renkan_guid in data
         ###################################################
         
-        second_copy_data = {'source_revision_guid': source_revision_guid}
-        second_copy_url = post_url+'?source='+source_revision_guid
-        second_copy_response = self.client.post(second_copy_url, second_copy_data, format='json')
-        second_copy_response_dict = json.loads(second_copy_response.content)
+        second_copy_data = {"source_renkan_guid": source_renkan_guid, "title": "new_title_copy_2"}
+        second_copy_url = post_url
+        second_copy_response = self.client.post(second_copy_url, second_copy_data, format="json")
+        second_copy_response_dict = json.loads(second_copy_response.content.decode())
         self.assertEqual(second_copy_response.status_code, status.HTTP_201_CREATED)
         self.assertEqual(Renkan.objects.count(), 3)
         # Checking data
         #     in the response
-        self.assertNotEqual(second_copy_response_dict.get('renkan_guid'), source_renkan_guid)
-        self.assertEqual(first_copy_response_dict.get('source_revision_guid'), source_revision_guid)
-        self.assertEqual(second_copy_response_dict.get('title', ''), test_title)
-        self.assertEqual(second_copy_response_dict.get('content', ''), test_content)
-        self.assertEqual(second_copy_response_dict.get('project_created_by', ''), self.user.username)
-        self.assertEqual(second_copy_response_dict.get('last_updated_by', ''), self.user.username)
+        self.assertNotEqual(second_copy_response_dict.get("renkan_guid"), source_renkan_guid)
+        self.assertEqual(second_copy_response_dict.get("source_revision_guid"), source_revision_guid)
+        self.assertEqual(second_copy_response_dict.get("title", ""), "new_title_copy_2")
+        self.assertEqual(second_copy_response_dict.get("content", ""), self.first_test_content)
+        self.assertEqual(second_copy_response_dict.get("project_created_by", ""), self.user.username)
+        self.assertEqual(second_copy_response_dict.get("last_updated_by", ""), self.user.username)
         #     in the database
-        second_copy = Renkan.objects.get(renkan_guid=second_copy_response_dict.get('renkan_guid', ''))
-        second_copy_revision = Revision.objects.get(revision_guid=second_copy_response_dict.get('current_revision_guid', ''))
-        self.assertEqual(second_copy.title, test_title)
-        self.assertEqual(second_copy.content, test_content)
-        self.assertEqual(second_copy_revision.title, test_title)
-        self.assertEqual(second_copy_revision.content, test_content)
+        second_copy = Renkan.objects.get(renkan_guid=second_copy_response_dict.get("renkan_guid", ""))
+        second_copy_revision = Revision.objects.get(revision_guid=second_copy_response_dict.get("current_revision_guid", ""))
+        self.assertEqual(second_copy.title, "new_title_copy_2")
+        self.assertEqual(second_copy.content, self.first_test_content)
+        self.assertEqual(second_copy_revision.title, "new_title_copy_2")
+        self.assertEqual(second_copy_revision.content, self.first_test_content)
         self.assertEqual(second_copy.creator.username, self.user.username)
         self.assertEqual(second_copy_revision.creator.username, self.user.username)
         self.assertEqual(second_copy_revision.last_updated_by.username, self.user.username)
         
+        ###################################################
+        # POSTing copy with query arg for REVISION guid
+        ###################################################
+        
+        third_copy_data = {"title": "new_title_copy_3"}
+        third_copy_url = post_url+"?source_revision_guid="+source_revision_guid
+        third_copy_response = self.client.post(third_copy_url, third_copy_data, format="json")
+        third_copy_response_dict = json.loads(third_copy_response.content.decode())
+        self.assertEqual(third_copy_response.status_code, status.HTTP_201_CREATED)  
+        self.assertEqual(Renkan.objects.count(), 4)
+        # Checking data
+        #     in the response
+        self.assertNotEqual(third_copy_response_dict.get("renkan_guid"), source_renkan_guid)
+        self.assertEqual(third_copy_response_dict.get("source_revision_guid"), source_revision_guid)
+        self.assertEqual(third_copy_response_dict.get("title", ""), "new_title_copy_3")
+        self.assertEqual(third_copy_response_dict.get("content", ""), self.first_test_content)
+        self.assertEqual(third_copy_response_dict.get("project_created_by", ""), self.user.username)
+        self.assertEqual(third_copy_response_dict.get("last_updated_by", ""), self.user.username)
+        #     in the database
+        third_copy = Renkan.objects.get(renkan_guid=third_copy_response_dict.get("renkan_guid", ""))
+        third_copy_revision = Revision.objects.get(revision_guid=third_copy_response_dict.get("current_revision_guid", ""))
+        self.assertEqual(third_copy.title, "new_title_copy_3")
+        self.assertEqual(third_copy.content, self.first_test_content)
+        self.assertEqual(third_copy_revision.title, "new_title_copy_3")
+        self.assertEqual(third_copy_revision.content, self.first_test_content)
+        self.assertEqual(third_copy.creator.username, self.user.username)
+        self.assertEqual(third_copy_revision.creator.username, self.user.username)
+        self.assertEqual(third_copy_revision.last_updated_by.username, self.user.username)
+        
+        ###################################################
+        # POSTing copy with source_revision_guid in data
+        ###################################################
+        
+        fourth_copy_data = {"source_revision_guid": source_revision_guid}
+        fourth_copy_url = post_url
+        fourth_copy_response = self.client.post(fourth_copy_url, fourth_copy_data, format="json")
+        fourth_copy_response_dict = json.loads(fourth_copy_response.content.decode())
+        self.assertEqual(fourth_copy_response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(Renkan.objects.count(), 5)
+        # Checking data
+        #     in the response
+        self.assertNotEqual(fourth_copy_response_dict.get("renkan_guid"), source_renkan_guid)
+        self.assertEqual(fourth_copy_response_dict.get("source_revision_guid"), source_revision_guid)
+        self.assertEqual(fourth_copy_response_dict.get("title", ""), self.first_test_title)
+        self.assertEqual(fourth_copy_response_dict.get("content", ""), self.first_test_content)
+        self.assertEqual(fourth_copy_response_dict.get("project_created_by", ""), self.user.username)
+        self.assertEqual(fourth_copy_response_dict.get("last_updated_by", ""), self.user.username)
+        #     in the database
+        fourth_copy = Renkan.objects.get(renkan_guid=fourth_copy_response_dict.get("renkan_guid", ""))
+        fourth_copy_revision = Revision.objects.get(revision_guid=fourth_copy_response_dict.get("current_revision_guid", ""))
+        self.assertEqual(fourth_copy.title, self.first_test_title)
+        self.assertEqual(fourth_copy.content, self.first_test_content)
+        self.assertEqual(fourth_copy_revision.title, self.first_test_title)
+        self.assertEqual(fourth_copy_revision.content, self.first_test_content)
+        self.assertEqual(fourth_copy.creator.username, self.user.username)
+        self.assertEqual(fourth_copy_revision.creator.username, self.user.username)
+        self.assertEqual(fourth_copy_revision.last_updated_by.username, self.user.username)
+        
         
         ###################################################
         # try POSTing copy with bad query arg guid and with bad data guid
         ###################################################
         
-        bad_copy_data = {'source_revision_guid': 'bleh_bad_id'}
+        bad_copy_data = {"source_revision_guid": "bleh_bad_id"}
         #    with query arg
-        qarg_bad_copy_url = post_url+'?source=bleh_bad_id'
-        qarg_bad_copy_response = self.client.post(qarg_bad_copy_url, {}, format='json')
+        qarg_bad_copy_url = post_url+"?source=bleh_bad_id"
+        qarg_bad_copy_response = self.client.post(qarg_bad_copy_url, {}, format="json")
         self.assertEqual(qarg_bad_copy_response.status_code, status.HTTP_404_NOT_FOUND)
         #    with data
         data_bad_copy_url = post_url
-        data_bad_copy_response = self.client.post(data_bad_copy_url, bad_copy_data, format='json')
+        data_bad_copy_response = self.client.post(data_bad_copy_url, bad_copy_data, format="json")
         self.assertEqual(data_bad_copy_response.status_code, status.HTTP_404_NOT_FOUND)
         
         ###################################################
         # try POSTing with unauthorized user 
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        post_url = reverse('renkan_list')+'?source='+source_revision_guid
-        post_response = self.client.post(post_url, {}, format='json')
+        _ = self.client.login(username="blip", password="blip")
+        post_url = reverse("renkan_list")+"?source="+source_revision_guid
+        post_response = self.client.post(post_url, {}, format="json")
         self.assertEqual(post_response.status_code, status.HTTP_403_FORBIDDEN)
         
     def test_delete_renkan(self):
@@ -452,27 +536,25 @@
         # POSTing new Renkan
         ###################################################
         
-        post_url = reverse('renkan_list')
-        test_title = 'bleh_title'
-        test_content = json.dumps({'title': 'bleh_title', 'some_random_stuff': 'wow'})
-        data = {'title': test_title, 'content': test_content}
-        post_response = self.client.post(post_url, data, format='json')
-        post_response_dict = json.loads(post_response.content)
-        to_delete_renkan_guid = post_response_dict.get('renkan_guid', '')
-        to_delete_revision_guid = post_response_dict.get('current_revision_guid', '')
+        post_url = reverse("renkan_list")
+        data = {"title": self.first_test_title, "content": self.first_test_content}
+        post_response = self.client.post(post_url, data, format="json")
+        post_response_dict = json.loads(post_response.content.decode())
+        to_delete_renkan_guid = post_response_dict.get("renkan_guid", "")
+        to_delete_revision_guid = post_response_dict.get("current_revision_guid", "")
         
         ###################################################
         # POSTing copy
         ###################################################
         data = {}
-        post_response = self.client.post(post_url+'?source='+to_delete_revision_guid, data, format='json')
-        post_response_dict = json.loads(post_response.content)
-        copy_renkan_guid = post_response_dict.get('renkan_guid', '')
+        post_response = self.client.post(post_url+"?source="+to_delete_renkan_guid, data, format="json")
+        post_response_dict = json.loads(post_response.content.decode())
+        copy_renkan_guid = post_response_dict.get("renkan_guid", "")
         
         # Adding another revision
-        put_data = {'title': test_title+'_edited!', 'create_new_revision': True}
-        put_url = reverse('renkan_detail', kwargs={'renkan_guid':to_delete_renkan_guid})
-        put_response = self.client.put(put_url, put_data, format='json')
+        put_data = {"title": self.first_test_title+"_edited!", "create_new_revision": True}
+        put_url = reverse("renkan_detail", kwargs={"renkan_guid":to_delete_renkan_guid})
+        put_response = self.client.put(put_url, put_data, format="json")
         self.assertEqual(Renkan.objects.count(), 2)
         self.assertEqual(Revision.objects.count(), 3)
         
@@ -480,20 +562,20 @@
         # try to DELETE with unauthorized user 
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        delete_url = reverse('renkan_detail', kwargs={'renkan_guid':to_delete_renkan_guid})
-        delete_response = self.client.delete(delete_url, format='json')
+        _ = self.client.login(username="blip", password="blip")
+        delete_url = reverse("renkan_detail", kwargs={"renkan_guid":to_delete_renkan_guid})
+        delete_response = self.client.delete(delete_url, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_403_FORBIDDEN)
         
         # Restoring rightful user
-        _ = self.client.login(username='blop', password='blop')
+        _ = self.client.login(username="blop", password="blop")
         
         ###################################################
         # DELETE initial renkan
         ###################################################
         
-        delete_url = reverse('renkan_detail', kwargs={'renkan_guid':to_delete_renkan_guid})
-        delete_response = self.client.delete(delete_url, format='json')
+        delete_url = reverse("renkan_detail", kwargs={"renkan_guid":to_delete_renkan_guid})
+        delete_response = self.client.delete(delete_url, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_204_NO_CONTENT)
         self.assertEqual(Renkan.objects.count(), 1) # Only the copy remains
         self.assertEqual(Revision.objects.count(), 1) # Only the copy initial revision remains
@@ -502,21 +584,21 @@
         # Try to GET deleted renkan
         ###################################################
         
-        get_url = reverse('renkan_detail', kwargs={'renkan_guid':to_delete_renkan_guid})
-        get_response = self.client.get(get_url, format='json')
+        get_url = reverse("renkan_detail", kwargs={"renkan_guid":to_delete_renkan_guid})
+        get_response = self.client.get(get_url, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_404_NOT_FOUND)
         
         ###################################################
-        # Check that remaining renkan doesn't have reference to deleted renkan
+        # Check that remaining renkan doesn"t have reference to deleted renkan
         ###################################################
         copy_renkan = Renkan.objects.get(renkan_guid=copy_renkan_guid)
-        self.assertEqual(copy_renkan.source_revision_guid, '')
+        self.assertEqual(copy_renkan.source_revision_guid, "")
         
         ###################################################
         # Try to DELETE renkan with wrong guid
         ###################################################
         
-        delete_url = reverse('renkan_detail', kwargs={'renkan_guid': 'bad-id'})
-        delete_response = self.client.delete(delete_url, format='json')
+        delete_url = reverse("renkan_detail", kwargs={"renkan_guid": "bad-id"})
+        delete_response = self.client.delete(delete_url, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_404_NOT_FOUND)
     
\ No newline at end of file
--- a/server/python2/django/renkanmanager/tests/tests_revision.py	Mon Jan 11 18:24:14 2016 +0100
+++ b/server/python2/django/renkanmanager/tests/tests_revision.py	Tue Jan 26 17:18:04 2016 +0100
@@ -12,22 +12,35 @@
 class RevisionTests(APITestCase):
     
     def setUp(self):
-        User.objects.create_superuser('blop', 'blop@blop.com', 'blop')
-        self.user = User.objects.get(username='blop')
-        _ = self.client.login(username='blop', password='blop')
-        User.objects.create_user('blip', 'blip@blip.com', 'blip')
-        self.unauthorized_user = User.objects.get(username='blip')
+        User.objects.create_superuser("blop", "blop@blop.com", "blop")
+        self.user = User.objects.get(username="blop")
+        _ = self.client.login(username="blop", password="blop")
+        User.objects.create_user("blip", "blip@blip.com", "blip")
+        self.unauthorized_user = User.objects.get(username="blip")
         
         ###################################################
         # POSTing new Renkan
         ###################################################
         
-        post_url = reverse('renkan_list')
-        self.test_data = {'title': 'test_title', 'content': json.dumps({'mock_data': 'wow'})}
-        post_response = self.client.post(post_url, self.test_data, format='json')
-        post_response_dict = json.loads(post_response.content)
-        self.test_renkan_guid = post_response_dict.get('renkan_guid', '')
-        self.test_initial_revision_guid = post_response_dict.get('current_revision_guid', '')
+        post_url = reverse("renkan_list")
+        self.test_title = "test_title_1"
+        self.test_content = json.dumps({
+            "id": "",
+            "title": "test_title_1",
+            "description": "test_description_1",
+            "created": "",
+            "updated": "",
+            "edges": [],
+            "nodes": [],
+            "users": [],
+            "space_id": "",
+            "views": []
+        })
+        self.test_data = {"title": self.test_title, "content": self.test_content}
+        post_response = self.client.post(post_url, self.test_data, format="json")
+        post_response_dict = json.loads(post_response.content.decode())
+        self.test_renkan_guid = post_response_dict.get("renkan_guid", "")
+        self.test_initial_revision_guid = post_response_dict.get("current_revision_guid", "")
     
     def test_get_revision(self):
         
@@ -35,42 +48,42 @@
         # GETting revision
         ###################################################
         
-        get_url = reverse('revision_detail', kwargs={'renkan_guid' : self.test_renkan_guid, 'revision_guid': self.test_initial_revision_guid})
-        get_response = self.client.get(get_url, {}, format='json')
+        get_url = reverse("revision_detail", kwargs={"renkan_guid" : self.test_renkan_guid, "revision_guid": self.test_initial_revision_guid})
+        get_response = self.client.get(get_url, {}, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_200_OK)
         
         # Checking data
-        get_response_dict = json.loads(get_response.content) 
-        self.assertEqual(get_response_dict.get('revision_guid', ''), self.test_initial_revision_guid)
-        self.assertEqual(get_response_dict.get('parent_renkan_guid', ''), self.test_renkan_guid)
-        self.assertEqual(get_response_dict.get('revision_created_by', ''), self.user.username)
-        self.assertEqual(get_response_dict.get('revision_last_updated_by', ''), self.user.username)
-        self.assertEqual(get_response_dict.get('title', ''), self.test_data.get('title', ''))
-        self.assertEqual(get_response_dict.get('content', ''), self.test_data.get('content', ''))
+        get_response_dict = json.loads(get_response.content.decode()) 
+        self.assertEqual(get_response_dict.get("revision_guid", ""), self.test_initial_revision_guid)
+        self.assertEqual(get_response_dict.get("parent_renkan_guid", ""), self.test_renkan_guid)
+        self.assertEqual(get_response_dict.get("revision_created_by", ""), self.user.username)
+        self.assertEqual(get_response_dict.get("revision_last_updated_by", ""), self.user.username)
+        self.assertEqual(get_response_dict.get("title", ""), self.test_data.get("title", ""))
+        self.assertEqual(get_response_dict.get("content", ""), self.test_data.get("content", ""))
         
         ###################################################
         # GETting with wrong renkan guid
         ###################################################
         
-        get_url = reverse('revision_detail', kwargs={'renkan_guid' : 'bad-renkan-guid', 'revision_guid': self.test_initial_revision_guid})
-        get_response = self.client.get(get_url, {}, format='json')
+        get_url = reverse("revision_detail", kwargs={"renkan_guid" : "bad-renkan-guid", "revision_guid": self.test_initial_revision_guid})
+        get_response = self.client.get(get_url, {}, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_404_NOT_FOUND)
         
         ###################################################
         # GETting with wrong revision guid
         ###################################################
         
-        get_url = reverse('revision_detail', kwargs={'renkan_guid' : self.test_renkan_guid, 'revision_guid': 'bad-revision-guid'})
-        get_response = self.client.get(get_url, {}, format='json')
+        get_url = reverse("revision_detail", kwargs={"renkan_guid" : self.test_renkan_guid, "revision_guid": "bad-revision-guid"})
+        get_response = self.client.get(get_url, {}, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_404_NOT_FOUND)
         
         ###################################################
         # try GETting with unauthorized user 
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        get_url = reverse('revision_detail', kwargs={'renkan_guid' : self.test_renkan_guid, 'revision_guid': self.test_initial_revision_guid})
-        get_response = self.client.get(get_url, {}, format='json')
+        _ = self.client.login(username="blip", password="blip")
+        get_url = reverse("revision_detail", kwargs={"renkan_guid" : self.test_renkan_guid, "revision_guid": self.test_initial_revision_guid})
+        get_response = self.client.get(get_url, {}, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_403_FORBIDDEN)
         
     def test_get_revision_list(self):
@@ -79,26 +92,24 @@
         # PUTting another revision in test renkan
         ###################################################
         
-        put_url = reverse('renkan_detail', kwargs={'renkan_guid' : self.test_renkan_guid})
-        put_title = 'edited_title'
-        put_content = json.dumps({"title": "edited_title", "nodes": 1})
+        put_url = reverse("renkan_detail", kwargs={"renkan_guid" : self.test_renkan_guid})
+        put_title = "edited_title"
         put_data = {
-            'title' : put_title,
-            'content' : put_content,
-            'create_new_revision': True
+            "title" : put_title,
+            "create_new_revision": True
         }
-        put_response = self.client.put(put_url, put_data, format='json')
+        put_response = self.client.put(put_url, put_data, format="json")
         
         ###################################################
         # GETting revision lists
         ###################################################
         
-        get_url = reverse('revision_list', kwargs={'renkan_guid' : self.test_renkan_guid})
-        get_response = self.client.get(get_url, {}, format='json')
+        get_url = reverse("revision_list", kwargs={"renkan_guid" : self.test_renkan_guid})
+        get_response = self.client.get(get_url, {}, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_200_OK)
         
         # Checking data
-        get_response_content = json.loads(get_response.content) # Should be a list
+        get_response_content = json.loads(get_response.content.decode()) # Should be a list
         self.assertTrue(isinstance(get_response_content, list))
         self.assertEqual(len(get_response_content), 2)
         
@@ -106,9 +117,9 @@
         # GETting with wrong renkan guid
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        get_url = reverse('revision_detail', kwargs={'renkan_guid' : self.test_renkan_guid, 'revision_guid': self.test_initial_revision_guid})
-        get_response = self.client.get(get_url, {}, format='json')
+        _ = self.client.login(username="blip", password="blip")
+        get_url = reverse("revision_detail", kwargs={"renkan_guid" : self.test_renkan_guid, "revision_guid": self.test_initial_revision_guid})
+        get_response = self.client.get(get_url, {}, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_403_FORBIDDEN)
     
     def test_delete_revision(self):
@@ -116,32 +127,30 @@
         ###################################################
         # Try to DELETE the initial revision (last revision, should 400)
         ###################################################
-        delete_url = reverse('revision_detail', kwargs={'renkan_guid' : self.test_renkan_guid, 'revision_guid': self.test_initial_revision_guid})
-        delete_response = self.client.delete(delete_url, {}, format='json')
+        delete_url = reverse("revision_detail", kwargs={"renkan_guid" : self.test_renkan_guid, "revision_guid": self.test_initial_revision_guid})
+        delete_response = self.client.delete(delete_url, {}, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_400_BAD_REQUEST)
         
         ###################################################
         # PUTting another revision in test renkan
         ###################################################
         
-        put_url = reverse('renkan_detail', kwargs={'renkan_guid' : self.test_renkan_guid})
-        put_title = 'edited_title'
-        put_content = json.dumps({"title": "edited_title", "nodes": 1})
+        put_url = reverse("renkan_detail", kwargs={"renkan_guid" : self.test_renkan_guid})
+        put_title = "edited_title"
         put_data = {
-            'title' : put_title,
-            'content' : put_content,
-            'create_new_revision': True
+            "title" : put_title,
+            "create_new_revision": True
         }
-        put_response = self.client.put(put_url, put_data, format='json')
-        put_response_dict = json.loads(put_response.content)
-        added_revision_guid = put_response_dict.get('current_revision_guid', '')
+        put_response = self.client.put(put_url, put_data, format="json")
+        put_response_dict = json.loads(put_response.content.decode())
+        added_revision_guid = put_response_dict.get("current_revision_guid", "")
         
         ###################################################
         # Try to DELETE the added revision (current revision, should 400)
         ###################################################
         
-        delete_url = reverse('revision_detail', kwargs={'renkan_guid' : self.test_renkan_guid, 'revision_guid': added_revision_guid})
-        delete_response = self.client.delete(delete_url, {}, format='json')
+        delete_url = reverse("revision_detail", kwargs={"renkan_guid" : self.test_renkan_guid, "revision_guid": added_revision_guid})
+        delete_response = self.client.delete(delete_url, {}, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_400_BAD_REQUEST)
         
         
@@ -149,34 +158,34 @@
         # try to DELETE with unauthorized user 
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        delete_url = reverse('revision_detail', kwargs={'renkan_guid' : self.test_renkan_guid, 'revision_guid': self.test_initial_revision_guid})
-        delete_response = self.client.delete(delete_url, {}, format='json')
+        _ = self.client.login(username="blip", password="blip")
+        delete_url = reverse("revision_detail", kwargs={"renkan_guid" : self.test_renkan_guid, "revision_guid": self.test_initial_revision_guid})
+        delete_response = self.client.delete(delete_url, {}, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_403_FORBIDDEN)
         
         # Restoring rightful user
-        _ = self.client.login(username='blop', password='blop')
+        _ = self.client.login(username="blop", password="blop")
         
         ###################################################
         # Try to DELETE the initial revision (should 204 now that we added a revision)
         ###################################################
         
-        delete_url = reverse('revision_detail', kwargs={'renkan_guid' : self.test_renkan_guid, 'revision_guid': self.test_initial_revision_guid})
-        delete_response = self.client.delete(delete_url, {}, format='json')
+        delete_url = reverse("revision_detail", kwargs={"renkan_guid" : self.test_renkan_guid, "revision_guid": self.test_initial_revision_guid})
+        delete_response = self.client.delete(delete_url, {}, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_204_NO_CONTENT)
         
         ###################################################
         # Try to DELETE with wrong renkan guid
         ###################################################
         
-        delete_url = reverse('revision_detail', kwargs={'renkan_guid' : 'bad-renkan-guid', 'revision_guid': self.test_initial_revision_guid})
-        delete_response = self.client.delete(delete_url, {}, format='json')
+        delete_url = reverse("revision_detail", kwargs={"renkan_guid" : "bad-renkan-guid", "revision_guid": self.test_initial_revision_guid})
+        delete_response = self.client.delete(delete_url, {}, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_404_NOT_FOUND)
         
         ###################################################
         # Try to DELETE with wrong revision guid
         ###################################################
         
-        delete_url = reverse('revision_detail', kwargs={'renkan_guid' : self.test_renkan_guid, 'revision_guid': 'bad-revision-guid'})
-        delete_response = self.client.delete(delete_url, {}, format='json')
+        delete_url = reverse("revision_detail", kwargs={"renkan_guid" : self.test_renkan_guid, "revision_guid": "bad-revision-guid"})
+        delete_response = self.client.delete(delete_url, {}, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_404_NOT_FOUND)
\ No newline at end of file
--- a/server/python2/django/renkanmanager/tests/tests_workspace.py	Mon Jan 11 18:24:14 2016 +0100
+++ b/server/python2/django/renkanmanager/tests/tests_workspace.py	Tue Jan 26 17:18:04 2016 +0100
@@ -10,11 +10,11 @@
 class WorkspaceTests(APITestCase):
     
     def setUp(self):
-        User.objects.create_superuser('blop', 'blop@blop.com', 'blop')
-        self.user = User.objects.get(username='blop')
-        _ = self.client.login(username='blop', password='blop')
-        User.objects.create_user('blip', 'blip@blip.com', 'blip')
-        self.unauthorized_user = User.objects.get(username='blip')
+        User.objects.create_superuser("blop", "blop@blop.com", "blop")
+        self.user = User.objects.get(username="blop")
+        _ = self.client.login(username="blop", password="blop")
+        User.objects.create_user("blip", "blip@blip.com", "blip")
+        self.unauthorized_user = User.objects.get(username="blip")
     
     def test_post_workspace(self):
         
@@ -22,34 +22,34 @@
         # POSTing test Workspace
         ###################################################
         
-        post_url = reverse('workspace_list')
-        test_title = 'bleh_title'
-        data = {'title': test_title}
-        post_response = self.client.post(post_url, data, format='json')
-        post_response_dict = json.loads(post_response.content)
+        post_url = reverse("workspace_list")
+        test_title = "bleh_title"
+        data = {"title": test_title}
+        post_response = self.client.post(post_url, data, format="json")
+        post_response_dict = json.loads(post_response.content.decode())
         self.assertEqual(post_response.status_code, status.HTTP_201_CREATED)
         
         # Checking data
         #    in the response
-        self.assertEqual(post_response_dict.get('workspace_created_by'), self.user.username)
-        self.assertEqual(post_response_dict.get('title'), test_title)
+        self.assertEqual(post_response_dict.get("workspace_created_by"), self.user.username)
+        self.assertEqual(post_response_dict.get("title"), test_title)
         #    in the database
-        created_workspace_guid = post_response_dict.get('workspace_guid')
+        created_workspace_guid = post_response_dict.get("workspace_guid")
         created_workspace = Workspace.objects.get(workspace_guid=created_workspace_guid)
         self.assertEqual(created_workspace.creator.username, self.user.username)
         self.assertEqual(created_workspace.title, test_title)
         
         # Checking permission
-        self.assertTrue(self.user.has_perm('view_workspace', created_workspace))
+        self.assertTrue(self.user.has_perm("view_workspace", created_workspace))
         
         ###################################################
         # try POSTing with unauthorized user 
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        post_url = reverse('workspace_list')
-        data = {'title': 'wont_work'}
-        post_response = self.client.post(post_url, data, format='json')
+        _ = self.client.login(username="blip", password="blip")
+        post_url = reverse("workspace_list")
+        data = {"title": "wont_work"}
+        post_response = self.client.post(post_url, data, format="json")
         self.assertEqual(post_response.status_code, status.HTTP_403_FORBIDDEN)
         
      
@@ -59,13 +59,13 @@
         # POSTing new Workspaces
         ###################################################
         
-        post_url = reverse('workspace_list')
-        first_test_title = 'bleh_title_2'
-        second_test_title = 'bleh_title_3'
-        first_data = {'title': first_test_title}
-        second_data = {'title': second_test_title}
-        self.client.post(post_url, first_data, format='json')
-        self.client.post(post_url, second_data, format='json')
+        post_url = reverse("workspace_list")
+        first_test_title = "bleh_title_2"
+        second_test_title = "bleh_title_3"
+        first_data = {"title": first_test_title}
+        second_data = {"title": second_test_title}
+        self.client.post(post_url, first_data, format="json")
+        self.client.post(post_url, second_data, format="json")
         
         ###################################################
         # GETting Workspaces
@@ -76,7 +76,7 @@
         self.assertEqual(get_response.status_code, status.HTTP_200_OK)
         
         # Check data
-        get_response_content = json.loads(get_response.content) # Should be a list
+        get_response_content = json.loads(get_response.content.decode()) # Should be a list
         self.assertTrue(isinstance(get_response_content, list))
         self.assertEqual(len(get_response_content), 2)
     
@@ -86,57 +86,55 @@
         # POSTing test Workspace
         ###################################################
         
-        workspace_post_url = reverse('workspace_list')
-        test_title = 'bleh_title'
-        data = {'title': test_title}
-        post_response = self.client.post(workspace_post_url, data, format='json')
-        post_response_dict = json.loads(post_response.content)
-        test_workspace_guid = post_response_dict.get('workspace_guid')
+        workspace_post_url = reverse("workspace_list")
+        test_title = "bleh_title"
+        data = {"title": test_title}
+        post_response = self.client.post(workspace_post_url, data, format="json")
+        post_response_dict = json.loads(post_response.content.decode())
+        test_workspace_guid = post_response_dict.get("workspace_guid")
         
         ###################################################
         # POSTing new Renkans into test Workspace
         ###################################################
         
-        renkan_post_url = reverse('renkan_list_workspace', kwargs={'workspace_guid': test_workspace_guid})
-        first_test_title = 'bleh_title'
-        first_test_content = json.dumps({'title': 'bleh_title', 'some_random_stuff': 'wow'})
-        second_test_title = 'bleh_title_2'
-        second_test_content = json.dumps({'title': 'bleh_title_2', 'some_random_stuff': 'such'})
-        first_data = {'title': first_test_title, 'content': first_test_content}
-        second_data = {'title': second_test_title, 'content': second_test_content}
-        self.client.post(renkan_post_url, first_data, format='json')
-        self.client.post(renkan_post_url, second_data, format='json')
+        renkan_post_url = reverse("renkan_list_workspace", kwargs={"workspace_guid": test_workspace_guid})
+        first_test_title = "bleh_title"
+        second_test_title = "bleh_title_2"
+        first_data = {"title": first_test_title}
+        second_data = {"title": second_test_title}
+        self.client.post(renkan_post_url, first_data, format="json")
+        self.client.post(renkan_post_url, second_data, format="json")
         
         ###################################################
         # GETting test Workspace
         ###################################################
         
-        get_url = reverse('workspace_detail', kwargs={'workspace_guid': test_workspace_guid})
-        get_response = self.client.get(get_url, format='json')
+        get_url = reverse("workspace_detail", kwargs={"workspace_guid": test_workspace_guid})
+        get_response = self.client.get(get_url, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_200_OK)
         
         # Checking GET data
-        get_response_dict = json.loads(get_response.content)
-        self.assertEqual(test_workspace_guid, get_response_dict.get('workspace_guid', ''))
-        self.assertEqual(test_title, get_response_dict.get('title', ''))
-        self.assertEqual(self.user.username, get_response_dict.get('workspace_created_by', ''))
-        self.assertEqual(2, get_response_dict.get('renkan_count'))
+        get_response_dict = json.loads(get_response.content.decode())
+        self.assertEqual(test_workspace_guid, get_response_dict.get("workspace_guid", ""))
+        self.assertEqual(test_title, get_response_dict.get("title", ""))
+        self.assertEqual(self.user.username, get_response_dict.get("workspace_created_by", ""))
+        self.assertEqual(2, get_response_dict.get("renkan_count"))
         
         ###################################################
         # GETting wrong workspace_guid
         ###################################################
         
-        get_url = reverse('workspace_detail', kwargs={'workspace_guid': 'bleh-bad-workspace-id'})
-        get_response = self.client.get(get_url, format='json')
+        get_url = reverse("workspace_detail", kwargs={"workspace_guid": "bleh-bad-workspace-id"})
+        get_response = self.client.get(get_url, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_404_NOT_FOUND)
         
         ###################################################
         # try GETting with unauthorized user 
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        get_url = reverse('workspace_detail', kwargs={'workspace_guid': test_workspace_guid})
-        get_response = self.client.get(get_url, format='json')
+        _ = self.client.login(username="blip", password="blip")
+        get_url = reverse("workspace_detail", kwargs={"workspace_guid": test_workspace_guid})
+        get_response = self.client.get(get_url, format="json")
         self.assertEqual(get_response.status_code, status.HTTP_403_FORBIDDEN)
         
     def test_update_workspace(self):
@@ -145,31 +143,31 @@
         # POSTing test Workspace
         ###################################################
         
-        workspace_post_url = reverse('workspace_list')
-        test_title = 'bleh_title'
-        data = {'title': test_title}
-        post_response = self.client.post(workspace_post_url, data, format='json')
-        post_response_dict = json.loads(post_response.content)
-        test_workspace_guid = post_response_dict.get('workspace_guid')
+        workspace_post_url = reverse("workspace_list")
+        test_title = "bleh_title"
+        data = {"title": test_title}
+        post_response = self.client.post(workspace_post_url, data, format="json")
+        post_response_dict = json.loads(post_response.content.decode())
+        test_workspace_guid = post_response_dict.get("workspace_guid")
         
         ###################################################
         # PUTting into test Workspace
         ###################################################
         
-        put_url = reverse('workspace_detail', kwargs={'workspace_guid': test_workspace_guid})
-        edited_title = 'bleh_title_2'
-        put_data = {'title': edited_title}
-        put_response = self.client.put(put_url, put_data, format='json')
-        put_response_dict = json.loads(put_response.content)
+        put_url = reverse("workspace_detail", kwargs={"workspace_guid": test_workspace_guid})
+        edited_title = "bleh_title_2"
+        put_data = {"title": edited_title}
+        put_response = self.client.put(put_url, put_data, format="json")
+        put_response_dict = json.loads(put_response.content.decode())
         self.assertEqual(put_response.status_code, status.HTTP_200_OK)
         
         # Checking data
         #    in the response
-        self.assertEqual(put_response_dict.get('workspace_created_by'), self.user.username)
-        self.assertEqual(put_response_dict.get('title'), edited_title)
-        self.assertEqual(put_response_dict.get('renkan_count'), 0)
+        self.assertEqual(put_response_dict.get("workspace_created_by"), self.user.username)
+        self.assertEqual(put_response_dict.get("title"), edited_title)
+        self.assertEqual(put_response_dict.get("renkan_count"), 0)
         #    in the database
-        edited_workspace_guid = put_response_dict.get('workspace_guid')
+        edited_workspace_guid = put_response_dict.get("workspace_guid")
         edited_workspace = Workspace.objects.get(workspace_guid=edited_workspace_guid)
         self.assertEqual(edited_workspace.creator.username, self.user.username)
         self.assertEqual(edited_workspace.title, edited_title)
@@ -179,12 +177,12 @@
         # try PUTting with unauthorized user 
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        put_url = reverse('workspace_detail', kwargs={'workspace_guid': test_workspace_guid})
+        _ = self.client.login(username="blip", password="blip")
+        put_url = reverse("workspace_detail", kwargs={"workspace_guid": test_workspace_guid})
         put_data = {
-            'title' : 'wont_work'
+            "title" : "wont_work"
         }
-        put_response = self.client.put(put_url, put_data, format='json')
+        put_response = self.client.put(put_url, put_data, format="json")
         self.assertEqual(put_response.status_code, status.HTTP_403_FORBIDDEN)
         
     def test_delete_workspace(self):
@@ -193,65 +191,64 @@
         # POSTing test Workspace
         ###################################################
         
-        workspace_post_url = reverse('workspace_list')
-        test_title = 'bleh_title'
-        data = {'title': test_title}
-        post_response = self.client.post(workspace_post_url, data, format='json')
-        post_response_dict = json.loads(post_response.content)
-        to_delete_workspace_guid = post_response_dict.get('workspace_guid')
+        workspace_post_url = reverse("workspace_list")
+        test_title = "bleh_title"
+        data = {"title": test_title}
+        post_response = self.client.post(workspace_post_url, data, format="json")
+        post_response_dict = json.loads(post_response.content.decode())
+        to_delete_workspace_guid = post_response_dict.get("workspace_guid")
         
         ###################################################
         # POSTing new Renkan into test Workspace
         ###################################################
         
-        renkan_post_url = reverse('renkan_list_workspace', kwargs={'workspace_guid': to_delete_workspace_guid})
-        renkan_test_title = 'bleh_title'
-        renkan_test_content = json.dumps({'title': 'bleh_title', 'some_random_stuff': 'wow'})
-        renkan_test_data = {'title': renkan_test_title, 'content': renkan_test_content}
-        post_response = self.client.post(renkan_post_url, renkan_test_data, format='json')
-        to_delete_renkan_guid = json.loads(post_response.content).get('renkan_guid', '')
+        renkan_post_url = reverse("renkan_list_workspace", kwargs={"workspace_guid": to_delete_workspace_guid})
+        renkan_test_title = "bleh_title"
+        renkan_test_data = {"title": renkan_test_title}
+        post_response = self.client.post(renkan_post_url, renkan_test_data, format="json")
+        to_delete_renkan_guid = json.loads(post_response.content.decode()).get("renkan_guid", "")
         
         ###################################################
         # Try to DELETE test Workspace (should fail, it still contains a Renkan)
         ###################################################
         
-        delete_url = reverse('workspace_detail', kwargs={'workspace_guid':to_delete_workspace_guid})
-        delete_response = self.client.delete(delete_url, {}, format='json')
+        delete_url = reverse("workspace_detail", kwargs={"workspace_guid":to_delete_workspace_guid})
+        delete_response = self.client.delete(delete_url, {}, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_400_BAD_REQUEST)
         
         ###################################################
         # DELETE posted Renkan
         ###################################################
         
-        delete_renkan_url = reverse('renkan_detail', kwargs={'renkan_guid':to_delete_renkan_guid})
-        delete_renkan_response = self.client.delete(delete_renkan_url, format='json')
+        delete_renkan_url = reverse("renkan_detail", kwargs={"renkan_guid":to_delete_renkan_guid})
+        delete_renkan_response = self.client.delete(delete_renkan_url, format="json")
         self.assertEqual(delete_renkan_response.status_code, status.HTTP_204_NO_CONTENT)
         
         ###################################################
         # try to DELETE with unauthorized user 
         ###################################################
         
-        _ = self.client.login(username='blip', password='blip')
-        delete_url = reverse('workspace_detail', kwargs={'workspace_guid':to_delete_workspace_guid})
-        delete_response = self.client.delete(delete_url, {}, format='json')
+        _ = self.client.login(username="blip", password="blip")
+        delete_url = reverse("workspace_detail", kwargs={"workspace_guid":to_delete_workspace_guid})
+        delete_response = self.client.delete(delete_url, {}, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_403_FORBIDDEN)
         
         # Restoring rightful user
-        _ = self.client.login(username='blop', password='blop')
+        _ = self.client.login(username="blop", password="blop")
         
         ###################################################
         # DELETE test Workspace 
         ###################################################
         
-        delete_url = reverse('workspace_detail', kwargs={'workspace_guid':to_delete_workspace_guid})
-        delete_response = self.client.delete(delete_url, {}, format='json')
+        delete_url = reverse("workspace_detail", kwargs={"workspace_guid":to_delete_workspace_guid})
+        delete_response = self.client.delete(delete_url, {}, format="json")
         self.assertEqual(delete_response.status_code, status.HTTP_204_NO_CONTENT)
         
         ###################################################
         # Try to DELETE workspace with wrong guid
         ###################################################
         
-        delete_url = reverse('workspace_detail', kwargs={'workspace_guid': 'bad-workspace-guid'})
+        delete_url = reverse("workspace_detail", kwargs={"workspace_guid": "bad-workspace-guid"})
         delete_response = self.client.delete(delete_url, format=json)
         self.assertEqual(delete_response.status_code, status.HTTP_404_NOT_FOUND)
         
\ No newline at end of file