added form tests

app/accounts/tests/test_signup_form.py

@@ -0,0 +1,88 @@
+import unittest
+
+from django.test import TestCase
+
+from accounts.forms import CustomUserCreationForm
+
+
+class CustomUserCreationFormTest(TestCase):
+    def setUp(self):
+        self.username = "testuser"
+        self.email = "[email protected]"
+        self.first_name = "Test"
+        self.last_name = "User"
+        self.password1 = "sadilar2024"
+        self.password2 = "sadilar2024"
+
+    def test_valid_data(self):
+        form = CustomUserCreationForm(
+            {
+                "username": self.username,
+                "email": self.email,
+                "first_name": self.first_name,
+                "last_name": self.last_name,
+                "password1": self.password1,
+                "password2": self.password2,
+            }
+        )
+
+        self.assertTrue(form.is_valid())
+
+    def test_blank_data(self):
+        form = CustomUserCreationForm({})
+        self.assertFalse(form.is_valid())
+
+        self.assertEqual(
+            form.errors,
+            {
+                "username": ["This field is required."],
+                "email": ["This field is required."],
+                "first_name": ["This field is required."],
+                "last_name": ["This field is required."],
+                "password1": ["This field is required."],
+                "password2": ["This field is required."],
+            },
+        )
+
+    def test_invalid_email(self):
+        form = CustomUserCreationForm(
+            {
+                "username": self.username,
+                "email": "not a valid email",
+                "first_name": self.first_name,
+                "last_name": self.last_name,
+                "password1": self.password1,
+                "password2": self.password2,
+            }
+        )
+        self.assertFalse(form.is_valid())
+        self.assertEqual(
+            form.errors,
+            {
+                "email": ["Enter a valid email address."],
+            },
+        )
+
+    def test_passwords_do_not_match(self):
+        form = CustomUserCreationForm(
+            {
+                "username": self.username,
+                "email": self.email,
+                "first_name": self.first_name,
+                "last_name": self.last_name,
+                "password1": self.password1,
+                "password2": "wrong password",
+            }
+        )
+
+        self.assertFalse(form.is_valid())
+        self.assertEqual(
+            form.errors,
+            {
+                "password2": ["The two password fields didn’t match."],
+            },
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()