5.7 Redirect After a POST

src/lists/tests.py

@@ -19,12 +19,12 @@ class HomePageTest(TestCase):
     def test_can_save_a_POST_request(self):
         response = self.client.post('/', data={'item_text': 'A new list item'})
 
-        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.assertEqual(Item.objects.count(), 1)
+        new_item = Item.objects.first()
+        self.assertEqual(new_item.text, 'A new list item')
 
-        self.assertIn('A new list item', response.content.decode())
-        self.assertTemplateUsed(response, 'home.html')
+        self.assertEqual(response.status_code, 302)
+        self.assertEqual(response['location'], '/')
 
     def test_only_saves_items_when_necessary(self):
         self.client.get('/')

src/lists/views.py

@@ -1,18 +1,13 @@
 from django.http.request import HttpRequest
 from django.http.response import HttpResponse
-from django.shortcuts import render
+from django.shortcuts import redirect, render
 
 from lists.models import Item
 
 # Create your views here
 def home_page(request):
     if request.method == 'POST':
-        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', ''),
-    })
+        Item.objects.create(text=request.POST['item_text'])
+        return redirect('/')
 
+    return render(request=request, template_name='home.html')