next.js frontend w/ mongodb local backend

tests/test_mongodb_health.py

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+import pytest
+from pymongo import MongoClient
+from pymongo.errors import ConnectionFailure
+
+@pytest.fixture
+def test_mongo_client():
+    client = MongoClient('localhost', 27017)
+    try:
+        # 测试连接是否成功
+        client.admin.command('ping')
+        db = client.test_health_check_db
+        collection = db.test_collection
+        yield collection
+    except ConnectionError:
+        pytest.fail("MongoDB连接失败 - 请确保MongoDB服务正在运行")
+    finally:
+        # 清理测试数据
+        if 'test_health_check_db' in client.list_database_names():
+            client.drop_database('test_health_check_db')
+        client.close()
+
+def test_mongodb_connection_and_operations(test_mongo_client):
+    # 测试数据插入
+    test_doc = {"test_key": "test_value"}
+    insert_result = test_mongo_client.insert_one(test_doc)
+    assert insert_result.inserted_id is not None
+    
+    # 测试数据查询
+    found_doc = test_mongo_client.find_one({"test_key": "test_value"})
+    assert found_doc is not None
+    assert found_doc["test_key"] == "test_value"
+    
+    # 测试数据更新
+    update_result = test_mongo_client.update_one(
+        {"test_key": "test_value"},
+        {"$set": {"test_key": "updated_value"}}
+    )
+    assert update_result.modified_count == 1
+    
+    # 测试数据删除
+    delete_result = test_mongo_client.delete_one({"test_key": "updated_value"})
+    assert delete_result.deleted_count == 1