src/lists/templates/home.html

@@ -10,9 +10,7 @@
         </form>
 
         <table id="id_list_table">
-            {% for item in items %}
-                <tr><td>{{ forloop.counter }}: {{ item.text }}</td></tr>
-            {% endfor %}
+            <tr><td>1: {{ new_item_text }}</td></tr>
         </table>
     </body>
 </html>

src/lists/tests.py

@@ -1,4 +1,3 @@
-from typing import Text
 from django.http import response
 from django.test import TestCase
 from django.urls import resolve
@@ -18,32 +17,19 @@ class HomePageTest(TestCase):
         self.assertTemplateUsed(response, 'home.html')
 
     def test_can_save_a_POST_request(self):
-        self.client.post('/', data={'item_text': 'A new list item'})
-
-        self.assertEqual(Item.objects.count(), 1)
-        new_item = Item.objects.first()
-        self.assertEqual(new_item.text, 'A new list item')
-
-    def test_redirects_after_POST(self):
         response = self.client.post('/', data={'item_text': 'A new list item'})
 
-        self.assertEqual(response.status_code, 302)
-        self.assertEqual(response['location'], '/')
+        self.assertEqual(Item.objects.count(), 1) # check that one new Item has been saved to the database
+        new_item = Item.objects.first() # same as doing objects.all()[0]
+        self.assertEqual(new_item.text, 'A new list item') # check that the item's text is correct
+        
+        self.assertIn('A new list item', response.content.decode())
+        self.assertTemplateUsed(response, 'home.html')
 
     def test_only_saves_items_when_necessary(self):
         self.client.get('/')
         self.assertEqual(Item.objects.count(), 0)
 
-    def test_displays_all_list_items(self):
-        Item.objects.create(text="itemey 1")
-        Item.objects.create(text="itemey 2")
-
-        response = self.client.get('/')
-
-        self.assertIn('itemey 1', response.content.decode())
-        self.assertIn('itemey 2', response.content.decode())
-
-
 class ItemModelTest(TestCase):
 
     def test_saving_and_retrieving_items(self):

src/lists/views.py

@@ -1,16 +1,18 @@
 from django.http.request import HttpRequest
 from django.http.response import HttpResponse
-from django.shortcuts import redirect, render
+from django.shortcuts import render
 
 from lists.models import Item
 
 # Create your views here
 def home_page(request):
     if request.method == 'POST':
-        Item.objects.create(text=request.POST['item_text'])
-        return redirect('/')
+        new_item_text = request.POST['item_text'] # use new_item_text to either hold POST contents or empty string
+        Item.objects.create(text=new_item_text) # .object.create is shortcut for creating a new Item, without needing to call .save()
+    else:
+        new_item_text = ''
+
+    return render(request=request, template_name='home.html', context={
+        'new_item_text': request.POST.get('item_text', ''),
+    })
 
-    items = Item.objects.all() # get objects from database (model)
-    return render(request=request, 
-                    template_name='home.html', 
-                    context={'items': items}) # pass items into template using render