Add unit tests for SettingsForm

realworld/accounts/tests.py

@@ -4,7 +4,7 @@
 from django.test import TestCase
 from django.urls import reverse, reverse_lazy
 
-from .forms import UserCreationForm
+from .forms import SettingsForm, UserCreationForm
 
 User = get_user_model()
 
@@ -133,3 +133,79 @@ def test_exists(self):
         response = self.client.get(self.url, {"email": "tester@gmail.com"})
         self.assertEqual(response.status_code, http.HTTPStatus.OK)
         self.assertContains(response, "This email is in use")
+
+
+class TestSettingsForm(TestCase):
+    form_data = {
+        "email": "updated@gmail.com",
+        "name": "Updated Name",
+        "bio": "This is my bio",
+        "image": "https://example.com/image.jpg",
+    }
+
+    @classmethod
+    def setUpTestData(cls):
+        cls.user = User.objects.create_user(
+            "tester@gmail.com", name="Test User", password="testpass1"
+        )
+
+    def test_valid_form_submission(self):
+        form = SettingsForm(self.form_data, instance=self.user)
+        self.assertTrue(form.is_valid())
+
+    def test_password_field_is_optional(self):
+        form = SettingsForm(self.form_data, instance=self.user)
+        self.assertTrue(form.is_valid())
+        self.assertEqual(form.cleaned_data.get("password"), "")
+
+    def test_password_update_hashes_password(self):
+        form_data_with_password = {**self.form_data, "password": "newpassword123"}
+        form = SettingsForm(form_data_with_password, instance=self.user)
+        self.assertTrue(form.is_valid())
+
+        user = form.save()
+        self.assertTrue(user.check_password("newpassword123"))
+        self.assertFalse(user.check_password("testpass1"))
+
+    def test_password_not_updated_when_empty(self):
+        form = SettingsForm(self.form_data, instance=self.user)
+        self.assertTrue(form.is_valid())
+
+        user = form.save()
+        self.assertTrue(user.check_password("testpass1"))
+
+    def test_email_validation_invalid_format(self):
+        invalid_data = {**self.form_data, "email": "invalid-email"}
+        form = SettingsForm(invalid_data, instance=self.user)
+        self.assertFalse(form.is_valid())
+        self.assertIn("email", form.errors)
+
+    def test_save_updates_user_fields(self):
+        form = SettingsForm(self.form_data, instance=self.user)
+        self.assertTrue(form.is_valid())
+
+        user = form.save()
+        self.assertEqual(user.email, "updated@gmail.com")
+        self.assertEqual(user.name, "Updated Name")
+        self.assertEqual(user.bio, "This is my bio")
+        self.assertEqual(user.image, "https://example.com/image.jpg")
+
+    def test_save_with_commit_false(self):
+        form = SettingsForm(self.form_data, instance=self.user)
+        self.assertTrue(form.is_valid())
+
+        user = form.save(commit=False)
+        self.assertEqual(user.email, "updated@gmail.com")
+
+        self.user.refresh_from_db()
+        self.assertEqual(self.user.email, "tester@gmail.com")
+
+    def test_empty_bio_and_image_allowed(self):
+        minimal_data = {
+            "email": "test@gmail.com",
+            "name": "Test User",
+            "bio": "",
+            "image": "",
+        }
+        form = SettingsForm(minimal_data, instance=self.user)
+        self.assertTrue(form.is_valid())