优化个人中心与界面交互

backend/tests/test_registration.py

@@ -274,6 +274,27 @@ async def test_dev_login_allows_plaintext_only_in_development(client_and_db):
     assert resp.json()["access_token"]
 
 
+@pytest.mark.asyncio
+async def test_avatar_upload_rejects_non_image_files(client_and_db):
+    client, _ = client_and_db
+    original_env = settings.ENV
+    settings.ENV = "development"
+    try:
+        login_resp = await client.post("/api/v1/auth/dev-login", json={"email": "admin@test.com", "password": "admin123"})
+    finally:
+        settings.ENV = original_env
+
+    token = login_resp.json()["access_token"]
+    resp = await client.post(
+        "/api/v1/auth/me/avatar",
+        files={"file": ("avatar.txt", b"not an image", "text/plain")},
+        headers={"Authorization": f"Bearer {token}"},
+    )
+
+    assert resp.status_code == 400
+    assert resp.json()["detail"] == "头像仅支持图片格式"
+
+
 @pytest.mark.asyncio
 async def test_dev_login_is_disabled_outside_development(client_and_db):
     client, _ = client_and_db
@@ -357,4 +378,3 @@ async def test_login_challenge_cannot_be_reused(client_and_db):
 
     assert first.status_code == 200
     assert second.status_code == 401
-