new and refined tests for dashboard app; home iterates list w. django templating; views refined for redirect after post request

apps/dashboard/tests.py

@@ -11,19 +11,34 @@ class HomePageTest(TestCase):
         self.assertContains(response, '<form method="POST">')
         self.assertContains(response, '<input name="item-text"')
 
+    def test_displays_all_list_items(self):
+        # Given/Arrange
+        Item.objects.create(text='itemey 1')
+        Item.objects.create(text='itemey 2')
+        # When/Act
+        response = self.client.get('/')
+        # Then/Assert
+        self.assertContains(response, 'itemey 1')
+        self.assertContains(response, 'itemey 2')
+
     def test_can_save_a_POST_request(self):
-        response = self.client.post('/', data={'item_text': 'A new dashboard item'})
+        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 dashboard item')
-        self.assertContains(response, 'A new dashboard item')
-        self.assertTemplateUsed(response, 'apps/dashboard/home.html')
+        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.assertRedirects(response, '/')
+
+    def test_only_saves_items_when_necessary(self):
+        self.client.get('/')
+        self.assertEqual(Item.objects.count(), 0)
 
 class ItemModelTest(TestCase):
     def test_saving_and_retrieving_items(self):
         first_item = Item()
-        first_item.text = "The first (ever) dashboard item"
+        first_item.text = "The first (ever) list item"
         first_item.save()
 
         second_item = Item()
@@ -35,6 +50,6 @@ class ItemModelTest(TestCase):
 
         first_saved_item = saved_items[0]
         second_saved_item = saved_items[1]
-        self.assertEqual(first_saved_item.text, "The first (ever) dashboard item")
+        self.assertEqual(first_saved_item.text, "The first (ever) list item")
         self.assertEqual(second_saved_item.text, "A sequel somehow better than the first")
  

apps/dashboard/views.py

@@ -1,14 +1,10 @@
-from django.http import HttpResponse
-from django.shortcuts import render
+from django.shortcuts import redirect, render
 from .models import Item
 
 def home_page(request):
-    item = Item()
-    item.text = request.POST.get('item_text', '')
-    item.save()
+    if request.method == 'POST':
+        Item.objects.create(text=request.POST['item_text'])
+        return redirect('/')
     
-    return render(
-        request,
-        'apps/dashboard/home.html',
-        {'new_item_text': request.POST.get('item_text', '')},
-    )
+    items = Item.objects.all()
+    return render(request, 'apps/dashboard/home.html', {'items': items})

templates/apps/dashboard/home.html

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