feat: 添加账号删除功能

backend/tests/unit/test_user_service_delete_account.py

@@ -0,0 +1,94 @@
+from __future__ import annotations
+
+from uuid import uuid4
+
+import pytest
+
+from core.auth.models import CurrentUser
+from core.http.errors import ApiProblemError
+from v1.users.service import UserService
+
+
+class _NoopRepository:
+    pass
+
+
+class _FakeStorage:
+    def __init__(self) -> None:
+        self.deleted_prefix_calls: list[tuple[str, str]] = []
+        self.deleted_auth_user_calls: list[str] = []
+
+    async def delete_prefix(self, *, bucket: str, prefix: str) -> int:
+        self.deleted_prefix_calls.append((bucket, prefix))
+        return 0
+
+    async def delete_auth_user(self, *, user_id: str) -> None:
+        self.deleted_auth_user_calls.append(user_id)
+
+
+@pytest.mark.asyncio
+async def test_delete_account_success_calls_storage_cleanup_and_auth_delete() -> None:
+    user = CurrentUser(id=uuid4(), email="test@example.com")
+    storage = _FakeStorage()
+    service = UserService(
+        current_user=user,
+        repository=_NoopRepository(),  # type: ignore[arg-type]
+        attachment_storage=storage,  # type: ignore[arg-type]
+    )
+
+    await service.delete_account()
+
+    assert storage.deleted_prefix_calls == [("avatars", f"{user.id}/")]
+    assert storage.deleted_auth_user_calls == [str(user.id)]
+
+
+@pytest.mark.asyncio
+async def test_delete_account_raises_profile_delete_failed_on_storage_cleanup_error() -> (
+    None
+):
+    user = CurrentUser(id=uuid4(), email="test@example.com")
+
+    class _FailingStorage(_FakeStorage):
+        async def delete_prefix(self, *, bucket: str, prefix: str) -> int:
+            raise RuntimeError("storage unavailable")
+
+    storage = _FailingStorage()
+    service = UserService(
+        current_user=user,
+        repository=_NoopRepository(),  # type: ignore[arg-type]
+        attachment_storage=storage,  # type: ignore[arg-type]
+    )
+
+    with pytest.raises(ApiProblemError) as exc_info:
+        await service.delete_account()
+
+    err = exc_info.value
+    assert err.status_code == 502
+    assert err.code == "PROFILE_DELETE_FAILED"
+    assert storage.deleted_auth_user_calls == []
+
+
+@pytest.mark.asyncio
+async def test_delete_account_raises_profile_delete_failed_on_auth_delete_error() -> (
+    None
+):
+    user = CurrentUser(id=uuid4(), email="test@example.com")
+
+    class _FailingStorage(_FakeStorage):
+        async def delete_auth_user(self, *, user_id: str) -> None:
+            raise RuntimeError("delete user failed")
+
+    storage = _FailingStorage()
+    service = UserService(
+        current_user=user,
+        repository=_NoopRepository(),  # type: ignore[arg-type]
+        attachment_storage=storage,  # type: ignore[arg-type]
+    )
+
+    with pytest.raises(ApiProblemError) as exc_info:
+        await service.delete_account()
+
+    err = exc_info.value
+    assert err.status_code == 502
+    assert err.code == "PROFILE_DELETE_FAILED"
+    assert storage.deleted_prefix_calls == [("avatars", f"{user.id}/")]