Fix #391: put user creation logic in a importable function

tests/test_user.py

@@ -0,0 +1,47 @@
+import pytest
+
+from fastapi_users.user import CreateUserProtocol, UserAlreadyExists, get_create_user
+from tests.conftest import UserCreate, UserDB
+
+
+@pytest.fixture
+def create_user(
+    mock_user_db,
+) -> CreateUserProtocol:
+    return get_create_user(mock_user_db, UserDB)
+
+
+@pytest.mark.router
+@pytest.mark.asyncio
+class TestCreateUser:
+    @pytest.mark.parametrize(
+        "email", ["king.arthur@camelot.bt", "King.Arthur@camelot.bt"]
+    )
+    async def test_existing_user(self, email, create_user):
+        user = UserCreate(email=email, password="guinevere")
+        with pytest.raises(UserAlreadyExists):
+            await create_user(user)
+
+    @pytest.mark.parametrize("email", ["lancelot@camelot.bt", "Lancelot@camelot.bt"])
+    async def test_regular_user(self, email, create_user):
+        user = UserCreate(email=email, password="guinevere")
+        created_user = await create_user(user)
+        assert type(created_user) == UserDB
+
+    @pytest.mark.parametrize("safe,result", [(True, False), (False, True)])
+    async def test_superuser(self, create_user, safe, result):
+        user = UserCreate(
+            email="lancelot@camelot.b", password="guinevere", is_superuser=True
+        )
+        created_user = await create_user(user, safe)
+        assert type(created_user) == UserDB
+        assert created_user.is_superuser is result
+
+    @pytest.mark.parametrize("safe,result", [(True, True), (False, False)])
+    async def test_is_active(self, create_user, safe, result):
+        user = UserCreate(
+            email="lancelot@camelot.b", password="guinevere", is_active=False
+        )
+        created_user = await create_user(user, safe)
+        assert type(created_user) == UserDB
+        assert created_user.is_active is result