test_translate_file_2.py

# Mock call to S3 to read file
def mocked_read_file(bucket_name, key_name):
    return "我爱写单元测试！"

# Mock call to Translate to translate file text
def mocked_translate_text(original_text):
    return {
       "original_text":"我爱写单元测试！",
       "translated_text":"I love writing unit tests!",
       "original_language":"zh",
       "target_language":"en"
    }