feat: 提交热榜评论分析工具 MVP 基线

tests/helpers.py

@@ -0,0 +1,31 @@
+from collections.abc import Iterator
+from contextlib import contextmanager
+
+from fastapi.testclient import TestClient
+from sqlalchemy import create_engine
+from sqlalchemy.orm import Session
+from sqlalchemy.pool import StaticPool
+
+from app.db import Base, get_db_session
+from app.main import app
+
+
+@contextmanager
+def make_test_client() -> Iterator[tuple[TestClient, object]]:
+    engine = create_engine(
+        "sqlite:///:memory:",
+        connect_args={"check_same_thread": False},
+        poolclass=StaticPool,
+    )
+    Base.metadata.create_all(engine)
+
+    def override_db_session():
+        with Session(engine) as session:
+            yield session
+
+    app.dependency_overrides[get_db_session] = override_db_session
+    try:
+        yield TestClient(app), engine
+    finally:
+        app.dependency_overrides.clear()
+        engine.dispose()