add tests

backlogger/tests.py

@@ -0,0 +1,283 @@
+from django.contrib.auth.models import User
+from django.test import TestCase
+from django.urls import reverse
+
+from .forms import ItemForm, SignupForm
+from .models import Item
+
+
+def make_user(username='alice', active=True):
+    user = User.objects.create_user(username=username, password='testpass123', email=f'{username}@example.com')
+    user.is_active = active
+    user.save()
+    return user
+
+
+def make_item(user, name='Test Game', category=Item.GAMES, **kwargs):
+    return Item.objects.create(user=user, name=name, category=category, **kwargs)
+
+
+# ---------------------------------------------------------------------------
+# Auth
+# ---------------------------------------------------------------------------
+
+class AuthRequiredTests(TestCase):
+    def test_list_redirects_anonymous(self):
+        response = self.client.get(reverse('backlogger:list'))
+        self.assertRedirects(response, '/accounts/login/?next=/backlogger/')
+
+    def test_add_redirects_anonymous(self):
+        response = self.client.get(reverse('backlogger:add'))
+        self.assertEqual(response.status_code, 302)
+
+    def test_inactive_user_cannot_login(self):
+        make_user('bob', active=False)
+        response = self.client.post(reverse('login'), {'username': 'bob', 'password': 'testpass123'})
+        # Should stay on login page, not redirect to backlogger
+        self.assertEqual(response.status_code, 200)
+        self.assertFalse(response.wsgi_request.user.is_authenticated)
+
+    def test_active_user_can_login(self):
+        make_user('alice')
+        response = self.client.post(reverse('login'), {'username': 'alice', 'password': 'testpass123'}, follow=True)
+        self.assertTrue(response.wsgi_request.user.is_authenticated)
+
+
+# ---------------------------------------------------------------------------
+# Signup
+# ---------------------------------------------------------------------------
+
+class SignupTests(TestCase):
+    def test_get_signup_page(self):
+        response = self.client.get(reverse('signup'))
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'Request account')
+
+    def test_signup_creates_inactive_user(self):
+        response = self.client.post(reverse('signup'), {
+            'username': 'newuser',
+            'email': 'new@example.com',
+            'password1': 'StrongPass99!',
+            'password2': 'StrongPass99!',
+        })
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'pending')
+        user = User.objects.get(username='newuser')
+        self.assertFalse(user.is_active)
+
+    def test_signup_invalid_mismatched_passwords(self):
+        self.client.post(reverse('signup'), {
+            'username': 'newuser',
+            'email': 'new@example.com',
+            'password1': 'StrongPass99!',
+            'password2': 'WrongPass99!',
+        })
+        self.assertFalse(User.objects.filter(username='newuser').exists())
+
+    def test_signup_duplicate_username(self):
+        make_user('taken')
+        response = self.client.post(reverse('signup'), {
+            'username': 'taken',
+            'email': 'other@example.com',
+            'password1': 'StrongPass99!',
+            'password2': 'StrongPass99!',
+        })
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(User.objects.filter(username='taken').count(), 1)
+
+
+# ---------------------------------------------------------------------------
+# Item list
+# ---------------------------------------------------------------------------
+
+class ItemListTests(TestCase):
+    def setUp(self):
+        self.alice = make_user('alice')
+        self.bob = make_user('bob')
+        self.client.force_login(self.alice)
+
+    def test_list_shows_own_items(self):
+        make_item(self.alice, name='Alice Game')
+        make_item(self.bob, name='Bob Game')
+        response = self.client.get(reverse('backlogger:list'))
+        self.assertContains(response, 'Alice Game')
+        self.assertNotContains(response, 'Bob Game')
+
+    def test_list_category_filter(self):
+        make_item(self.alice, name='My Game', category=Item.GAMES)
+        make_item(self.alice, name='My Book', category=Item.BOOKS)
+        response = self.client.get(reverse('backlogger:list') + '?category=games')
+        self.assertContains(response, 'My Game')
+        self.assertNotContains(response, 'My Book')
+
+    def test_list_empty_state(self):
+        response = self.client.get(reverse('backlogger:list'))
+        self.assertContains(response, 'Add your first one')
+
+    def test_list_sort_az(self):
+        make_item(self.alice, name='Zelda')
+        make_item(self.alice, name='Ape')
+        response = self.client.get(reverse('backlogger:list') + '?sort=az')
+        names = [item.name for item in response.context['items']]
+        self.assertEqual(names, sorted(names))
+
+    def test_list_sort_favorites_first(self):
+        make_item(self.alice, name='Normal')
+        make_item(self.alice, name='Fav', favorite=True)
+        response = self.client.get(reverse('backlogger:list') + '?sort=fav')
+        names = [item.name for item in response.context['items']]
+        self.assertEqual(names[0], 'Fav')
+
+
+# ---------------------------------------------------------------------------
+# Item add
+# ---------------------------------------------------------------------------
+
+class ItemAddTests(TestCase):
+    def setUp(self):
+        self.user = make_user('alice')
+        self.client.force_login(self.user)
+
+    def test_add_game(self):
+        self.client.post(reverse('backlogger:add'), {
+            'category': 'games',
+            'name': 'Elden Ring',
+            'progress_percent': 50,
+            'favorite': False,
+            'hours_played': 20,
+            'total_hours': 80,
+        })
+        item = Item.objects.get(name='Elden Ring')
+        self.assertEqual(item.user, self.user)
+        self.assertEqual(item.category, Item.GAMES)
+        self.assertEqual(item.hours_played, 20)
+
+    def test_add_assigns_current_user(self):
+        self.client.post(reverse('backlogger:add'), {
+            'category': 'books',
+            'name': 'Dune',
+            'progress_percent': 0,
+            'favorite': False,
+        })
+        item = Item.objects.get(name='Dune')
+        self.assertEqual(item.user, self.user)
+
+    def test_add_invalid_shows_form(self):
+        response = self.client.post(reverse('backlogger:add'), {'name': ''})
+        self.assertEqual(response.status_code, 200)
+        self.assertFalse(Item.objects.exists())
+
+
+# ---------------------------------------------------------------------------
+# Item edit
+# ---------------------------------------------------------------------------
+
+class ItemEditTests(TestCase):
+    def setUp(self):
+        self.alice = make_user('alice')
+        self.bob = make_user('bob')
+        self.client.force_login(self.alice)
+
+    def test_edit_own_item(self):
+        item = make_item(self.alice, name='Original')
+        self.client.post(reverse('backlogger:edit', args=[item.pk]), {
+            'category': 'games',
+            'name': 'Updated',
+            'progress_percent': 75,
+            'favorite': False,
+        })
+        item.refresh_from_db()
+        self.assertEqual(item.name, 'Updated')
+
+    def test_edit_other_user_item_returns_404(self):
+        item = make_item(self.bob, name='Bobs Item')
+        response = self.client.get(reverse('backlogger:edit', args=[item.pk]))
+        self.assertEqual(response.status_code, 404)
+
+
+# ---------------------------------------------------------------------------
+# Item delete
+# ---------------------------------------------------------------------------
+
+class ItemDeleteTests(TestCase):
+    def setUp(self):
+        self.alice = make_user('alice')
+        self.bob = make_user('bob')
+        self.client.force_login(self.alice)
+
+    def test_delete_own_item(self):
+        item = make_item(self.alice, name='To Delete')
+        self.client.post(reverse('backlogger:delete', args=[item.pk]))
+        self.assertFalse(Item.objects.filter(pk=item.pk).exists())
+
+    def test_delete_other_user_item_returns_404(self):
+        item = make_item(self.bob, name='Bobs Item')
+        response = self.client.post(reverse('backlogger:delete', args=[item.pk]))
+        self.assertEqual(response.status_code, 404)
+        self.assertTrue(Item.objects.filter(pk=item.pk).exists())
+
+
+# ---------------------------------------------------------------------------
+# Forms
+# ---------------------------------------------------------------------------
+
+class ItemFormTests(TestCase):
+    def _post(self, **kwargs):
+        data = {'category': 'games', 'name': 'Test', 'progress_percent': 0, 'favorite': False}
+        data.update(kwargs)
+        form = ItemForm(data)
+        form.is_valid()
+        return form
+
+    def test_game_fields_kept_for_games(self):
+        form = self._post(category='games', hours_played=10, total_hours=40)
+        self.assertEqual(form.cleaned_data['hours_played'], 10)
+
+    def test_game_fields_nulled_for_books(self):
+        form = self._post(category='books', hours_played=10)
+        self.assertIsNone(form.cleaned_data['hours_played'])
+
+    def test_book_fields_kept_for_books(self):
+        form = self._post(category='books', pages_read=100, total_pages=300)
+        self.assertEqual(form.cleaned_data['pages_read'], 100)
+
+    def test_book_fields_nulled_for_games(self):
+        form = self._post(category='games', pages_read=100)
+        self.assertIsNone(form.cleaned_data['pages_read'])
+
+    def test_film_fields_nulled_for_games(self):
+        form = self._post(category='games', duration_minutes=120)
+        self.assertIsNone(form.cleaned_data['duration_minutes'])
+
+    def test_progress_over_100_invalid(self):
+        form = self._post(progress_percent=150)
+        self.assertIn('progress_percent', form.errors)
+
+    def test_progress_negative_invalid(self):
+        form = self._post(progress_percent=-1)
+        self.assertIn('progress_percent', form.errors)
+
+
+class SignupFormTests(TestCase):
+    def _data(self, **overrides):
+        data = {
+            'username': 'newuser',
+            'email': 'new@example.com',
+            'password1': 'StrongPass99!',
+            'password2': 'StrongPass99!',
+        }
+        data.update(overrides)
+        return data
+
+    def test_valid_form(self):
+        form = SignupForm(self._data())
+        self.assertTrue(form.is_valid())
+
+    def test_email_required(self):
+        form = SignupForm(self._data(email=''))
+        self.assertFalse(form.is_valid())
+        self.assertIn('email', form.errors)
+
+    def test_password_mismatch(self):
+        form = SignupForm(self._data(password2='different'))
+        self.assertFalse(form.is_valid())