import sys import os import traceback from dotenv import load_dotenv from fastapi import Request from datetime import datetime sys.path.insert( 0, os.path.abspath("../..") ) # Adds the parent directory to the system path from litellm import Router import pytest import litellm from unittest.mock import patch, MagicMock, AsyncMock from create_mock_standard_logging_payload import create_standard_logging_payload from litellm.types.utils import StandardLoggingPayload import unittest from pydantic import BaseModel from litellm.router_utils.prompt_caching_cache import PromptCachingCache class ExampleModel(BaseModel): field1: str field2: int def test_serialize_pydantic_object(): model = ExampleModel(field1="value", field2=42) serialized = PromptCachingCache.serialize_object(model) assert serialized == {"field1": "value", "field2": 42} def test_serialize_dict(): obj = {"b": 2, "a": 1} serialized = PromptCachingCache.serialize_object(obj) assert serialized == '{"a":1,"b":2}' # JSON string with sorted keys def test_serialize_nested_dict(): obj = {"z": {"b": 2, "a": 1}, "x": [1, 2, {"c": 3}]} serialized = PromptCachingCache.serialize_object(obj) expected = '{"x":[1,2,{"c":3}],"z":{"a":1,"b":2}}' # JSON string with sorted keys assert serialized == expected def test_serialize_list(): obj = ["item1", {"a": 1, "b": 2}, 42] serialized = PromptCachingCache.serialize_object(obj) expected = ["item1", '{"a":1,"b":2}', 42] assert serialized == expected def test_serialize_fallback(): obj = 12345 # Simple non-serializable object serialized = PromptCachingCache.serialize_object(obj) assert serialized == 12345 def test_serialize_non_serializable(): class CustomClass: def __str__(self): return "custom_object" obj = CustomClass() serialized = PromptCachingCache.serialize_object(obj) assert serialized == "custom_object" # Fallback to string conversion