create story round: add tests & fix implementation

stories/writingtogether/templates/writingtogether/index.html

@@ -12,8 +12,8 @@
 {% if open_story_round_list %}
 
     <ul>
-        {% for story in open_story_round_list %}
-        <li><a href="{%  url 'writing:redirect_story_part' story_pk=story.pk %}">{{ story.name }}</a></li>
+        {% for story_round in open_story_round_list %}
+        <li><a href="{%  url 'writing:redirect_story_part' story_round_pk=story_round.pk %}">{{ story_round.name }}</a></li>
         {% endfor %}
     </ul>
 

stories/writingtogether/tests/test_views.py

@@ -0,0 +1,92 @@
+from django.contrib.auth import get_user_model
+from django.test import TestCase
+from django.urls import reverse
+
+from writingtogether.models import Story, StoryPart
+
+User = get_user_model()
+
+
+class TestViews(TestCase):
+    def setUp(self) -> None:
+        self.user1 = User.objects.create(username='player1')
+        self.user2 = User.objects.create(username='player2')
+
+    def test_create_story_round_two_rounds(self):
+
+        response = self.client.post(
+            reverse('writing:create_story_round'),
+            {
+                'name': 'test round',
+                'participants': [self.user1.pk, self.user2.pk],
+                'number_of_rounds': 2
+            }
+        )
+
+        self.assertEqual(response.status_code, 302)
+        self.assertEqual(Story.objects.all().count(), 2)
+        self.assertEqual(StoryPart.objects.all().count(), 4)
+
+        story_user1 = Story.objects.get(started_by=self.user1.pk)
+        story_user2 = Story.objects.get(started_by=self.user2.pk)
+
+        story_user1_parts = StoryPart.objects.filter(part_of=story_user1)
+        story_user2_parts = StoryPart.objects.filter(part_of=story_user2)
+
+        # each story has 2 story parts
+        self.assertEqual(story_user1_parts.count(), 2)
+        self.assertEqual(story_user2_parts.count(), 2)
+
+    def test_create_story_round_4_rounds(self):
+
+        response = self.client.post(
+            reverse('writing:create_story_round'),
+            {
+                'name': 'test round',
+                'participants': [self.user1.pk, self.user2.pk],
+                'number_of_rounds': 4
+            }
+        )
+
+        self.assertEqual(response.status_code, 302)
+        self.assertEqual(Story.objects.all().count(), 2)
+        self.assertEqual(StoryPart.objects.all().count(), 8)
+
+        story_user1 = Story.objects.get(started_by=self.user1.pk)
+        story_user2 = Story.objects.get(started_by=self.user2.pk)
+
+        story_user1_parts = StoryPart.objects.filter(part_of=story_user1)
+        story_user2_parts = StoryPart.objects.filter(part_of=story_user2)
+
+        # each story has 2 story parts
+        self.assertEqual(story_user1_parts.count(), 4)
+        self.assertEqual(story_user2_parts.count(), 4)
+
+    def test_create_story_round_three_users_two_rounds(self):
+        user3 = User.objects.create(username='player3')
+
+        response = self.client.post(
+            reverse('writing:create_story_round'),
+            {
+                'name': 'test round',
+                'participants': [self.user1.pk, self.user2.pk, user3.pk],
+                'number_of_rounds': 2
+            }
+        )
+
+        self.assertEqual(response.status_code, 302)
+        self.assertEqual(Story.objects.all().count(), 3)
+        self.assertEqual(StoryPart.objects.all().count(), 6)
+
+        story_user1 = Story.objects.get(started_by=self.user1.pk)
+        story_user2 = Story.objects.get(started_by=self.user2.pk)
+        story_user3 = Story.objects.get(started_by=user3.pk)
+
+        story_user1_parts = StoryPart.objects.filter(part_of=story_user1)
+        story_user2_parts = StoryPart.objects.filter(part_of=story_user2)
+        story_user3_parts = StoryPart.objects.filter(part_of=story_user3)
+
+        # each story has 2 story parts
+        self.assertEqual(story_user1_parts.count(), 2)
+        self.assertEqual(story_user2_parts.count(), 2)
+        self.assertEqual(story_user3_parts.count(), 2)

stories/writingtogether/views.py

@@ -31,24 +31,27 @@ class StoryRoundCreate(CreateView):
 
     def form_valid(self, form):
         self.object = form.save()
-        sorted_participants = sorted(form.cleaned_data['participants'])
+        sorted_participants = sorted([user.pk for user in form.cleaned_data['participants']])
         number_of_participants = len(sorted_participants)
 
-        for user in sorted_participants:
+        for user_id in sorted_participants:
             story = Story.objects.create(
                 part_of_round=self.object,
-                started_by=user
+                started_by_id=user_id
             )
 
             previous_part=None
             for i in range(form.cleaned_data['number_of_rounds']):
                 current_part = StoryPart.objects.create(
-                    user=sorted_participants[i % number_of_participants],
+                    user_id=sorted_participants[i % number_of_participants],
                     previous_part=previous_part,
-                    part_of=story
+                    part_of=story,
+                    turn_number=0
                 )
                 previous_part = current_part
 
+        return HttpResponseRedirect(self.get_success_url())
+
 
 class StoryUpdate(UpdateView):
     model = Story