Files
fastapi-toolsets/tests/test_fixtures_utils.py
d3vyce d9d7f60e8e feat: add get_obj_by_attr fixture helper function (#4)
* feat: add get_obj_by_attr fixture helper function

* tests: add fixture utils
2026-01-26 18:58:30 +01:00

58 lines
1.7 KiB
Python

"""Tests for fastapi_toolsets.fixtures.utils."""
import pytest
from fastapi_toolsets.fixtures import FixtureRegistry
from fastapi_toolsets.fixtures.utils import get_obj_by_attr
from .conftest import Role, User
registry = FixtureRegistry()
@registry.register
def roles() -> list[Role]:
return [
Role(id=1, name="admin"),
Role(id=2, name="user"),
Role(id=3, name="moderator"),
]
@registry.register(depends_on=["roles"])
def users() -> list[User]:
return [
User(id=1, username="alice", email="alice@example.com", role_id=1),
User(id=2, username="bob", email="bob@example.com", role_id=1),
]
class TestGetObjByAttr:
"""Tests for get_obj_by_attr."""
def test_get_by_id(self):
"""Get an object by its id attribute."""
role = get_obj_by_attr(roles, "id", 1)
assert role.name == "admin"
def test_get_user_by_username(self):
"""Get a user by username."""
user = get_obj_by_attr(users, "username", "bob")
assert user.id == 2
assert user.email == "bob@example.com"
def test_returns_first_match(self):
"""Returns the first matching object when multiple could match."""
user = get_obj_by_attr(users, "role_id", 1)
assert user.username == "alice"
def test_no_match_raises_stop_iteration(self):
"""Raises StopIteration when no object matches."""
with pytest.raises(StopIteration):
get_obj_by_attr(roles, "name", "nonexistent")
def test_no_match_on_wrong_value_type(self):
"""Raises StopIteration when value type doesn't match."""
with pytest.raises(StopIteration):
get_obj_by_attr(roles, "id", "1")