Model for list Items and associated migration

README.md

@@ -86,11 +86,40 @@ INSTALLED_APPS = [
 
 Invoke Django test runner (to run unit tests):  
 `python manage.py test`
+You can also add the App name:
+`python manage.py test lists`
 
 
 ## Django Migration
-When you change something in the Django model (for example changing or adding a field), the database tables that store these models need to be changed too. A Django migration propagates these changes in the model into the database schema.
+When you change something in the Django model (for example change or add a field), the database tables that store these models need to be changed too. A Django migration propagates these changes in the model into the database schema.
 
 ```
 python manage.py makemigrations
-```
+```
+
+## Overview Files
+
+├── db.sqlite3
+├── functional_tests.py           <<< Functional tests
+├── geckodriver.log
+├── lists                         <<< Directory of lists App
+│   ├── admin.py
+│   ├── apps.py
+│   ├── __init__.py
+│   ├── migrations                <<< Directory containing Django migrations
+│   ├── models.py                 <<< Django models
+│   ├── templates                 <<< HTML template directory
+│   ├── tests.py                  <<< Unittests of lists App
+│   └── views.py                  <<< Django views
+├── manage.py                     <<< Django's management script
+├── README.md
+├── superlists                    <<< Django's main project directory
+│   ├── __init__.py
+│   ├── settings.py               <<< register the lists App
+│   ├── urls.py                   <<< URL patterns mapping URLs to views
+│   └── wsgi.py
+└── virtualenv
+    ├── bin
+    ├── lib
+    ├── pyvenv.cfg
+    └── selenium

functional_tests.py

@@ -37,17 +37,18 @@ def test_online_todo_list(self):
         inputbox.send_keys(Keys.ENTER)
         time.sleep(1)
 
-        table = self.browser.find_element_by_id("id_list_table")
-        rows = table.find_elements_by_tag_name("tr")
-        self.assertTrue(
-            any(row.text == "1: Buy peacock feathers" for row in rows),
-            "New to-do item did not appear in table",
-        )
+        self.check_for_row_in_list_table("1: Buy peacock feathers")
 
         # There is still a text box inviting her to add another item. She
         # enters "Use peacock feathers to make a fly" (Edith is very methodical)
+        inputbox = self.browser.find_element_by_id("id_new_item")
+        inputbox.send_keys("Use peacock feathers to make a fly")
+        inputbox.send_keys(Keys.ENTER)
+        time.sleep(1)
 
         # The page updates again, and now shows both items on her list
+        self.check_for_row_in_list_table("1: Buy peacock feathers")
+        self.check_for_row_in_list_table("2: Use peacock feathers to make a fly")
 
         # Edith wonders whether the site will remember her list. Then she sees
         # that the site has generated a unique URL for her -- there is some
@@ -59,6 +60,11 @@ def test_online_todo_list(self):
 
         self.fail("Finish test!")
 
+    def check_for_row_in_list_table(self, row_text):
+        table = self.browser.find_element_by_id("id_list_table")
+        rows = table.find_elements_by_tag_name("tr")
+        self.assertIn(row_text, [row.text for row in rows])
+
 
 if __name__ == "__main__":
     # unittest.main(warnings="ignore")

lists/migrations/0001_initial.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.3 on 2022-03-25 18:33
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Item',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+            ],
+        ),
+    ]

lists/migrations/0002_item_text.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.3 on 2022-03-25 18:44
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lists', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='item',
+            name='text',
+            field=models.TextField(default=''),
+        ),
+    ]

lists/models.py

@@ -1,3 +1,7 @@
 from django.db import models
 
 # Create your models here.
+
+
+class Item(models.Model):
+    text = models.TextField(default="")

lists/templates/home.html

@@ -13,7 +13,12 @@ <h1>Your To-Do List</h1>
     </form>
 
     <table id="id_list_table">
+        <tr>
+            <td>1: {{ new_item_text }}</td>
+        </tr>
+
     </table>
+
 </body>
 
 </html>

lists/tests.py

@@ -4,6 +4,9 @@
 
 from lists.views import home_page
 
+from lists.models import Item
+
+
 # Create your tests here.
 
 
@@ -38,3 +41,27 @@ def test_home_page_returns_correct_html_using_client(self):
     def test_uses_home_template(self):
         response = self.client.get("/")
         self.assertTemplateUsed(response, "home.html")
+
+    def test_can_save_a_POST_request(self):
+        response = self.client.post("/", data={"item_text": "A new list item"})
+        self.assertIn("A new list item", response.content.decode())
+        self.assertTemplateUsed(response, "home.html")
+
+
+class ItemModelTest(TestCase):
+    def test_saving_and_retrieving_items(self):
+        first_item = Item()
+        first_item.text = "The first list item"
+        first_item.save()
+
+        second_item = Item()
+        second_item.text = "Item the second"
+        second_item.save()
+
+        saved_items = Item.objects.all()
+        self.assertEqual(saved_items.count(), 2)
+
+        first_saved_item = saved_items[0]
+        second_saved_item = saved_items[1]
+        self.assertEqual(first_saved_item.text, "The first list item")
+        self.assertEqual(second_saved_item.text, "Item the second")

lists/views.py

@@ -5,5 +5,10 @@
 
 
 def home_page(request):
-    # return HttpResponse("<html><title>To-Do Lists</title></html>")
-    return render(request, "home.html")
+    return render(
+        request,
+        "home.html",
+        {
+            "new_item_text": request.POST.get("item_text", ""),
+        },
+    )

superlists/urls.py

@@ -24,6 +24,6 @@
 urlpatterns = [
     # url(r'^admin/', admin.site.urls),
     #
-    # Map root URL to home_page
+    # Map root URL / to home_page
     url(r"^$", views.home_page, name="home")
 ]