import json, urllib

from django.contrib.auth import get_user_model
from django.core.urlresolvers import reverse
from renkanmanager.models import Renkan, Revision
from rest_framework import status
from rest_framework.test import APITestCase
from rest_framework.test import force_authenticate


User = get_user_model()

class RenkanTests(APITestCase):

    def setUp(self):
        User.objects.create_superuser("blop", "blop@blop.com", "blop")
        self.user = User.objects.get_by_natural_key(username="blop")

        self.client.force_login(self.user)

        # POSTing test workspace
        post_url = reverse("v1.0: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("id")
        self.first_test_title = "test_title_1"
        self.first_test_content_dict = {
            "id": "",
            "title": "test_title_1",
            "description": "test_description_1",
            "created": "2016-03-11 15:10:10.645193+00:00",
            "updated": "2016-03-11 15:10:10.645193+00:00",
            "edges": [],
            "nodes": [],
            "users": [],
            "space_id": "",
            "views": []
        }
        self.first_test_content = json.dumps(self.first_test_content_dict)
        self.second_test_title = "test_title_2"
        self.second_test_content_dict = {
            "id": "",
            "title": "test_title_2",
            "description": "test_description_2",
            "created": "2016-03-11 15:10:10.645193+00:00",
            "updated": "2016-03-12 15:10:10.645193+00:00",
            "edges": [],
            "nodes": [],
            "users": [],
            "space_id": "",
            "views": []
        }
        self.second_test_content = json.dumps(self.second_test_content_dict)
        self.third_test_title = "test_title_3"
        self.third_test_content_dict = {
            "id": "",
            "title": "test_title_3",
            "description": "test_description_3",
            "created": "2016-03-11 15:10:10.645193+00:00",
            "updated": "2016-03-13 15:10:10.645193+00:00",
            "edges": [],
            "nodes": [],
            "users": [],
            "space_id": "",
            "views": []
        }
        self.third_test_content = json.dumps(self.third_test_content_dict)

    def test_create_renkan(self):

        ###################################################
        # POSTing new Renkan
        ###################################################

        post_url = reverse("v1.0:renkan_list")
        data = {"title": self.first_test_title, "content": self.first_test_content}

        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.decode())
        post_response_content_dict = json.loads(post_response_dict.get("content", "{}"))
        new_renkan_guid = post_response_dict.get("id", "")
        new_renkan = Renkan.objects.get(renkan_guid=new_renkan_guid)
        # GUIDs and username
        self.assertEqual(getattr(self.user, User.USERNAME_FIELD), post_response_dict.get("created_by", ""))
        self.assertEqual(getattr(self.user, User.USERNAME_FIELD), post_response_dict.get("last_updated_by", ""))
        self.assertEqual(getattr(self.user, User.USERNAME_FIELD), getattr(new_renkan.creator, User.USERNAME_FIELD))
        # Content and title extracted from revision
        self.assertEqual(new_renkan.title, self.first_test_title)
        new_renkan_content_dict = json.loads(new_renkan.content)
        for key in list(self.first_test_content_dict.keys()) + list(set(new_renkan_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key != "created" and key != "id":
                self.assertEqual(new_renkan_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))

        # Revision count
        self.assertEqual(new_renkan.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_id", "")
        new_renkan_revision = Revision.objects.get(revision_guid = new_renkan_revision_guid)
        # GUIDs and username
        self.assertEqual(getattr(self.user, User.USERNAME_FIELD), getattr(new_renkan_revision.creator, User.USERNAME_FIELD))
        self.assertEqual(getattr(self.user, User.USERNAME_FIELD), getattr(new_renkan_revision.last_updated_by, User.USERNAME_FIELD))
        # Title and content
        #    in the response
        self.assertEqual(post_response_dict.get("title", ""), self.first_test_title)
        for key in list(self.first_test_content_dict.keys()) + list(set(post_response_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key != "created" and key != "id":
                self.assertEqual(post_response_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))

        #    in the database
        self.assertEqual(new_renkan_revision.title, self.first_test_title)
        new_revision_content_dict = json.loads(new_renkan_revision.content)
        for key in list(self.first_test_content_dict.keys()) + list(set(new_revision_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key != "created" and key != "id":
                self.assertEqual(new_revision_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))

        # Checking permission
        self.assertTrue(self.user.has_perm("view_renkan", new_renkan))

        ###################################################
        # POSTing new Renkan into workspace
        ###################################################

        post_url = reverse("v1.0: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")
        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.decode())
        new_renkan_guid = post_response_dict.get("id", "")
        new_renkan = Renkan.objects.get(renkan_guid=new_renkan_guid)
        # GUIDs and username
        self.assertEqual(self.test_workspace_guid, post_response_dict.get("workspace_id", ""))
        self.assertEqual(self.test_workspace_guid, str(new_renkan.workspace.workspace_guid))
        self.assertEqual(getattr(self.user, User.USERNAME_FIELD), post_response_dict.get("created_by", ""))
        self.assertEqual(getattr(self.user, User.USERNAME_FIELD), post_response_dict.get("last_updated_by", ""))
        self.assertEqual(getattr(self.user, User.USERNAME_FIELD), getattr(new_renkan.creator, User.USERNAME_FIELD))
        # Content and title extracted from revision
        self.assertEqual(new_renkan.title, self.second_test_title)
        new_renkan_content_dict = json.loads(new_renkan.content)
        for key in list(self.second_test_content_dict.keys()) + list(set(new_renkan_content_dict.keys()) - set(self.second_test_content_dict.keys())):
            if key != "updated" and key != "created" and key != "id" and key != "space_id":
                self.assertEqual(new_renkan_content_dict.get(key, ""), self.second_test_content_dict.get(key, ""))

        # Revision count
        self.assertEqual(new_renkan.revision_count, 1)
        self.assertEqual(post_response_dict.get("revision_count", ""), 1)

        ###################################################
        # POSTing new Renkan with no content
        ###################################################
        post_url = reverse("v1.0: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("v1.0: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")
        self.assertEqual(post_response.status_code, status.HTTP_400_BAD_REQUEST)

        ###################################################
        # POSTing with wrong workspace_guid
        ###################################################

        post_url = reverse("v1.0:renkan_list_workspace", kwargs={"workspace_guid": "00000000-0000-0000-0000-000000000000"})
        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_404_NOT_FOUND)


        ###################################################
        # POSTing with non-JSON serializable content
        ###################################################

        post_url = reverse("v1.0:renkan_list")
        data = {"title": self.third_test_title, "content": "notJson(Serializable}"}

        post_response = self.client.post(post_url, data, format="json")
        self.assertEqual(post_response.status_code, status.HTTP_400_BAD_REQUEST)


    def test_get_renkan(self):

        ###################################################
        # POSTing new Renkan
        ###################################################

        post_url = reverse("v1.0:renkan_list")
        data = {}
        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("id", "")
        new_revision_guid = post_response_dict.get("current_revision_id", "")

        ###################################################
        # GETting posted Renkan
        ###################################################

        get_url = reverse("v1.0: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.decode())
        self.assertEqual(new_renkan_guid, get_response_dict.get("id", ""))
        self.assertEqual(new_revision_guid, get_response_dict.get("current_revision_id", ""))
        self.assertEqual(getattr(self.user, User.USERNAME_FIELD), get_response_dict.get("created_by", ""))
        self.assertEqual(getattr(self.user, User.USERNAME_FIELD), get_response_dict.get("last_updated_by", ""))

        ###################################################
        # GETting with wrong guid
        ###################################################

        get_url = reverse("v1.0:renkan_detail", kwargs={"renkan_guid": "bad-id"})
        get_response = self.client.get(get_url, format="json")
        self.assertEqual(get_response.status_code, status.HTTP_400_BAD_REQUEST)

        ###################################################
        # GETting with wrong guid
        ###################################################

        get_url = reverse("v1.0:renkan_detail", kwargs={"renkan_guid": "00000000-0000-0000-0000-000000000000"})
        get_response = self.client.get(get_url, format="json")
        self.assertEqual(get_response.status_code, status.HTTP_404_NOT_FOUND)


    def test_get_renkan_list(self):

        ###################################################
        # POSTing new Renkans
        ###################################################

        post_url = reverse("v1.0: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")
        self.assertEqual(get_response.status_code, status.HTTP_200_OK)

        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)

        ###################################################
        # POSTing new Renkan into workspace
        ###################################################

        post_url = reverse("v1.0: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")
        self.assertEqual(get_response.status_code, status.HTTP_200_OK)

        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)





    def test_update_renkan(self):

        ###################################################
        # POSTing new Renkan
        ###################################################

        post_url = reverse("v1.0:renkan_list")
        data = {}
        post_response = self.client.post(post_url, data, format="json")
        post_response_dict = json.loads(post_response.content.decode())
        post_response_ts = json.loads(post_response_dict.get("content"), "{}").get("updated", "")
        renkan_guid = post_response_dict.get("id", "")
        revision_guid = post_response_dict.get("current_revision_id", "")

        ###################################################
        # PUTting by updating current revision
        ###################################################

        put_url = "%s?%s" % (
            reverse("v1.0:renkan_detail", kwargs={"renkan_guid": renkan_guid}),
            urllib.parse.urlencode({'create_new_revision': False})
        )
        put_content_dict = json.loads(self.first_test_content)
        put_content_dict["updated"] = post_response_ts
        put_data = {
            "title" : self.first_test_title,
            "content" : json.dumps(put_content_dict)
        }
        put_response = self.client.put(put_url, put_data, format="json")
        self.assertEqual(put_response.status_code, status.HTTP_200_OK, "response is %r"%put_response.content)
        put_response_dict = json.loads(put_response.content.decode())
        put_response_content_dict = json.loads(put_response_dict.get("content", "{}"))
        put_response_ts = put_response_content_dict.get("updated", "")

        # 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_id", ""))
        self.assertEqual(put_response_dict.get("revision_count", ""), 1)
        self.assertEqual(updated_project.revision_count, 1)

        self.assertEqual(revision_guid, str(updated_project.current_revision.revision_guid))
        # checking data was updated
        #     in the reponse
        self.assertEqual(put_response_dict.get("title", ""), self.first_test_title)
        for key in list(self.first_test_content_dict.keys()) + list(set(put_response_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key!= "id" and key != "space_id":
                self.assertEqual(put_response_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))

        #     in the database
        updated_revision = Revision.objects.get(revision_guid=revision_guid)
        updated_revision_content_dict = json.loads(updated_revision.content)
        self.assertEqual(updated_revision.title, self.first_test_title)
        for key in list(self.first_test_content_dict.keys()) + list(set(updated_revision_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key!= "id" and key != "space_id":
                self.assertEqual(updated_revision_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))

        ###################################################
        # PUTting by creating a new revision
        ###################################################

        put_url = "%s?%s" % (
            reverse("v1.0:renkan_detail", kwargs={"renkan_guid": renkan_guid}),
            urllib.parse.urlencode({'create_new_revision': True})
        )
        put_content_dict = json.loads(self.second_test_content)
        put_content_dict["updated"] = put_response_ts
        put_data = {
            "title" : self.second_test_title,
            "content" : json.dumps(put_content_dict)
        }
        put_response = self.client.put(put_url, put_data, format="json")
        self.assertEqual(put_response.status_code, status.HTTP_200_OK, "response is %r"%put_response.content)
        put_response_dict = json.loads(put_response.content.decode())
        put_response_content_dict = json.loads(put_response_dict.get("content", "{}"))
        put_response_ts = put_response_content_dict.get("updated", "")

        # checking we created a new revision
        updated_project = Renkan.objects.get(renkan_guid=renkan_guid)
        created_revision_guid = put_response_dict.get("current_revision_id", "")
        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(updated_project.revision_count, 2)

        # checking project now points towards new revision
        self.assertEqual(str(updated_project.current_revision.revision_guid), created_revision_guid)
        # checking data was updated
        #     in the reponse
        self.assertEqual(put_response_dict.get("title", ""), self.second_test_title)
        for key in list(self.second_test_content_dict.keys()) + list(set(put_response_content_dict.keys()) - set(self.second_test_content_dict.keys())):
            if key != "updated" and key!= "id" and key != "space_id":
                self.assertEqual(put_response_content_dict.get(key, ""), self.second_test_content_dict.get(key, ""))
        #     in the database
        updated_revision = Revision.objects.get(revision_guid=created_revision_guid)
        updated_revision_content_dict = json.loads(updated_revision.content)
        self.assertEqual(updated_revision.title, self.second_test_title)
        for key in list(self.second_test_content_dict.keys()) + list(set(updated_revision_content_dict.keys()) - set(self.second_test_content_dict.keys())):
            if key != "updated" and key!= "id" and key != "space_id":
                self.assertEqual(updated_revision_content_dict.get(key, ""), self.second_test_content_dict.get(key, ""))

        ###################################################
        # try to update source_revision_guid or workspace_guid
        ###################################################

        put_data = {
            "title" : self.third_test_title,
            "content" : self.third_test_content,
            "workspace_id": "bleh-workspace-guid" # should fail without even checking the id
        }
        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("v1.0:renkan_detail", kwargs={"renkan_guid": "bad-id"})
        put_response = self.client.put(put_url, {}, format="json")
        self.assertEqual(put_response.status_code, status.HTTP_400_BAD_REQUEST)


    def test_copy_renkan(self):

        ###################################################
        # POSTing new Renkan
        ###################################################

        post_url = reverse("v1.0: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("id", "")
        source_revision_guid = post_response_dict.get("current_revision_id", "")

        ###################################################
        # POSTing copy with query arg for RENKAN guid
        ###################################################

        first_copy_data = {"title": "new_title_copy_1"}
        first_copy_url = post_url+"?source_renkan_id="+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())
        first_copy_response_content_dict = json.loads(first_copy_response_dict.get("content", "{}"))
        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("id"), source_renkan_guid)
        self.assertEqual(first_copy_response_dict.get("source_revision_id"), source_revision_guid)
        self.assertEqual(first_copy_response_dict.get("title", ""), "new_title_copy_1")
        for key in list(self.first_test_content_dict.keys()) + list(set(first_copy_response_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key != "created" and key !="title" and key!= "id" and key != "space_id":
                self.assertEqual(first_copy_response_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))
        self.assertEqual(first_copy_response_dict.get("created_by", ""), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(first_copy_response_dict.get("last_updated_by", ""), getattr(self.user, User.USERNAME_FIELD))
        #     in the database
        first_copy = Renkan.objects.get(renkan_guid=first_copy_response_dict.get("id", ""))
        first_copy_revision = Revision.objects.get(revision_guid=first_copy_response_dict.get("current_revision_id", ""))
        self.assertEqual(first_copy.title, "new_title_copy_1")
        self.assertEqual(first_copy_revision.title, "new_title_copy_1")
        first_copy_revision_content_dict = json.loads(first_copy_revision.content)
        for key in list(self.first_test_content_dict.keys()) + list(set(first_copy_revision_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key != "created" and key!= "id" and key != "space_id":
                self.assertEqual(first_copy_revision_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))
        self.assertEqual(getattr(first_copy.creator, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(getattr(first_copy_revision.creator, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(getattr(first_copy_revision.last_updated_by, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))

        ###################################################
        # POSTing copy with source_renkan_guid in data
        ###################################################

        second_copy_data = {"source_renkan_id": 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())
        second_copy__response_content_dict = json.loads(second_copy_response_dict.get("content", "{}"))
        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("id"), source_renkan_guid)
        self.assertEqual(second_copy_response_dict.get("source_revision_id"), source_revision_guid)
        self.assertEqual(second_copy_response_dict.get("title", ""), "new_title_copy_2")
        for key in list(self.first_test_content_dict.keys()) + list(set(second_copy__response_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key != "created" and key!= "id" and key != "space_id":
                self.assertEqual(second_copy__response_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))
        self.assertEqual(second_copy_response_dict.get("created_by", ""), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(second_copy_response_dict.get("last_updated_by", ""), getattr(self.user, User.USERNAME_FIELD))
        #     in the database
        second_copy = Renkan.objects.get(renkan_guid=second_copy_response_dict.get("id", ""))
        second_copy_revision = Revision.objects.get(revision_guid=second_copy_response_dict.get("current_revision_id", ""))
        self.assertEqual(second_copy.title, "new_title_copy_2")
        self.assertEqual(second_copy_revision.title, "new_title_copy_2")
        second_copy_revision_content_dict = json.loads(second_copy_revision.content)
        for key in list(self.first_test_content_dict.keys()) + list(set(second_copy_revision_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key != "created" and key!= "id" and key != "space_id":
                self.assertEqual(second_copy_revision_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))
        self.assertEqual(getattr(second_copy.creator, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(getattr(second_copy_revision.creator, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(getattr(second_copy_revision.last_updated_by, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))

        ###################################################
        # POSTing copy with query arg for REVISION guid
        ###################################################

        third_copy_data = {"title": "new_title_copy_3"}
        third_copy_url = post_url+"?source_revision_id="+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())
        third_copy_response_content_dict = json.loads(third_copy_response_dict.get("content", "{}"))
        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("id"), source_renkan_guid)
        self.assertEqual(third_copy_response_dict.get("source_revision_id"), source_revision_guid)
        self.assertEqual(third_copy_response_dict.get("title", ""), "new_title_copy_3")
        for key in list(self.first_test_content_dict.keys()) + list(set(third_copy_response_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key != "created" and key!= "id" and key != "space_id":
                self.assertEqual(third_copy_response_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))
        self.assertEqual(third_copy_response_dict.get("created_by", ""), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(third_copy_response_dict.get("last_updated_by", ""), getattr(self.user, User.USERNAME_FIELD))
        #     in the database
        third_copy = Renkan.objects.get(renkan_guid=third_copy_response_dict.get("id", ""))
        third_copy_revision = Revision.objects.get(revision_guid=third_copy_response_dict.get("current_revision_id", ""))
        third_copy_revision_content_dict = json.loads(third_copy_revision.content)
        self.assertEqual(third_copy.title, "new_title_copy_3")
        self.assertEqual(third_copy_revision.title, "new_title_copy_3")
        for key in list(self.first_test_content_dict.keys()) + list(set(third_copy_revision_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key != "created" and key!= "id" and key != "space_id":
                self.assertEqual(third_copy_revision_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))
        self.assertEqual(getattr(third_copy.creator, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(getattr(third_copy_revision.creator, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(getattr(third_copy_revision.last_updated_by, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))

        ###################################################
        # POSTing copy with source_revision_guid in data
        ###################################################

        fourth_copy_data = {"source_revision_id": 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())
        fourth_copy_response_content_dict = json.loads(fourth_copy_response_dict.get("content", "{}"))
        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("id"), source_renkan_guid)
        self.assertEqual(fourth_copy_response_dict.get("source_revision_id"), source_revision_guid)
        self.assertEqual(fourth_copy_response_dict.get("title", ""), self.first_test_title)
        for key in list(self.first_test_content_dict.keys()) + list(set(fourth_copy_response_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key != "created" and key!= "id" and key != "space_id":
                self.assertEqual(fourth_copy_response_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))
        self.assertEqual(fourth_copy_response_dict.get("created_by", ""), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(fourth_copy_response_dict.get("last_updated_by", ""), getattr(self.user, User.USERNAME_FIELD))
        #     in the database
        fourth_copy = Renkan.objects.get(renkan_guid=fourth_copy_response_dict.get("id", ""))
        fourth_copy_revision = Revision.objects.get(revision_guid=fourth_copy_response_dict.get("current_revision_id", ""))
        self.assertEqual(fourth_copy.title, self.first_test_title)
        self.assertEqual(fourth_copy_revision.title, self.first_test_title)
        fourth_copy_revision_content_dict = json.loads(fourth_copy_revision.content)
        for key in list(self.first_test_content_dict.keys()) + list(set(fourth_copy_revision_content_dict.keys()) - set(self.first_test_content_dict.keys())):
            if key != "updated" and key != "created" and key!= "id" and key != "space_id":
                self.assertEqual(fourth_copy_revision_content_dict.get(key, ""), self.first_test_content_dict.get(key, ""))
        self.assertEqual(getattr(fourth_copy.creator, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(getattr(fourth_copy_revision.creator, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))
        self.assertEqual(getattr(fourth_copy_revision.last_updated_by, User.USERNAME_FIELD), getattr(self.user, User.USERNAME_FIELD))


        ###################################################
        # try POSTing copy with bad query arg guid and with bad data guid
        ###################################################

        bad_copy_data = {"source_revision_id": "bleh_bad_id"}
        bad_copy_data_guid = {"source_revision_id": "00000000-0000-0000-0000-000000000000"}

        #    with query arg
        qarg_bad_copy_url = post_url+"?source_revision_id=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_400_BAD_REQUEST)
        #    with query arg
        qarg_bad_copy_url = post_url+"?source_revision_id=00000000-0000-0000-0000-000000000000"
        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")
        self.assertEqual(data_bad_copy_response.status_code, status.HTTP_400_BAD_REQUEST)

        data_bad_copy_url = post_url
        data_bad_copy_response = self.client.post(data_bad_copy_url, bad_copy_data_guid, format="json")
        self.assertEqual(data_bad_copy_response.status_code, status.HTTP_404_NOT_FOUND)


    def test_delete_renkan(self):

        ###################################################
        # POSTing new Renkan
        ###################################################

        post_url = reverse("v1.0: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("id", "")
        to_delete_revision_guid = post_response_dict.get("current_revision_id", "")
        to_delete_renkan_ts = json.loads(post_response_dict.get("content", "")).get("updated", "")

        ###################################################
        # POSTing copy
        ###################################################
        data = {}
        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("id", "")

        # Adding another revision
        put_data = {"title": self.first_test_title+"_edited!"}
        put_url = "%s?%s" % (
            reverse("v1.0:renkan_detail", kwargs={"renkan_guid":to_delete_renkan_guid}),
            urllib.parse.urlencode({
                'validation_timestamp' : to_delete_renkan_ts,
                'create_new_revision' : True
            })
        )
        put_response = self.client.put(put_url, put_data, format="json")
        self.assertEqual(Renkan.objects.count(), 2)
        self.assertEqual(Revision.objects.count(), 3)


        ###################################################
        # DELETE initial renkan
        ###################################################

        delete_url = reverse("v1.0: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

        ###################################################
        # Try to GET deleted renkan
        ###################################################

        get_url = reverse("v1.0: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
        ###################################################
        copy_renkan = Renkan.objects.get(renkan_guid=copy_renkan_guid)
        self.assertIsNone(copy_renkan.source_revision)

        ###################################################
        # Try to DELETE renkan with wrong guid
        ###################################################

        delete_url = reverse("v1.0:renkan_detail", kwargs={"renkan_guid": "bad-id"})
        delete_response = self.client.delete(delete_url, format="json")
        self.assertEqual(delete_response.status_code, status.HTTP_400_BAD_REQUEST)

        ###################################################
        # Try to DELETE renkan with wrong guid
        ###################################################

        delete_url = reverse("v1.0:renkan_detail", kwargs={"renkan_guid": "00000000-0000-0000-0000-000000000000"})
        delete_response = self.client.delete(delete_url, format="json")
        self.assertEqual(delete_response.status_code, status.HTTP_404_NOT_FOUND)
