Feito teste para garantir criação de usuário com email em minúsculo

close #15

backend/devpro/base/manager.py

@@ -12,13 +12,13 @@ def _create_user(self, email, password, **extra_fields):
         """
         if not email:
             raise ValueError("The given email must be set")
-        email = self.normalize_email(email)
+        email = self.normalize_email(email).lower()
         user = self.model(email=email, **extra_fields)
         user.password = make_password(password)
         user.save(using=self._db)
         return user
 
-    def create_user(self, email, password=None, **extra_fields):
+    def create_user(self, email: str, password=None, **extra_fields):
         extra_fields.setdefault("is_staff", False)
         extra_fields.setdefault("is_superuser", False)
         return self._create_user(email, password, **extra_fields)

backend/devpro/base/tests/test_manager.py

@@ -0,0 +1,16 @@
+import pytest
+from django.contrib.auth import get_user_model
+
+from devpro.base.manager import UserManager
+
+
+def test_user_has_customized_manager_instance():
+    User = get_user_model()
+    assert isinstance(User.objects, UserManager)
+
+
+@pytest.mark.django_db
+def test_user_creation_with_lower_case_email():
+    User = get_user_model()
+    user = User.objects.create_user(email='RenZo@dev,pro.br')
+    assert user.email == 'renzo@dev,pro.br'