统一测试辅助函数到 conftest.py，消除代码重复

tests/test_collections.py

@@ -1,42 +1,12 @@
 import uuid
 
-import pytest
 from fastapi.testclient import TestClient
 
-from app.routers import auth as auth_router
-from tests.conftest import bearer, png_bytes
-
-
-def _capture_email(monkeypatch) -> dict[str, str]:
-    captured: dict[str, str] = {}
-
-    async def capture(recipient: str, token: str) -> None:
-        captured["token"] = token
-
-    monkeypatch.setattr(auth_router, "send_confirmation_email", capture)
-    return captured
-
-
-def _register_and_confirm(client, monkeypatch, email, password, username) -> dict[str, str]:
-    captured = _capture_email(monkeypatch)
-    r = client.post(
-        "/api/v1/auth/register",
-        json={"email": email, "password": password, "username": username},
-    )
-    assert r.status_code == 201
-    client.post("/api/v1/auth/confirm-email", json={"token": captured["token"]})
-    lr = client.post("/api/v1/auth/login", json={"email": email, "password": password})
-    body = lr.json()
-    return {"token": body["access_token"], "user_id": body["user"]["id"]}
-
-
-# ---------------------------------------------------------------------------
-# my collections
-# ---------------------------------------------------------------------------
+from tests.conftest import bearer, png_bytes, register_and_confirm
 
 
 def test_my_collections_after_upload(client: TestClient, monkeypatch) -> None:
-    info = _register_and_confirm(
+    info = register_and_confirm(
         client, monkeypatch,
         f"coll-{uuid.uuid4().hex[:8]}@example.com",
         "collpass1", "收藏用户",