概念
https://www.softwaretestinghelp.com/what-is-end-to-end-testing/
What is “End to End Testing”?
Term “End to End testing” is defined as a testing method which determines whether the performance of an application is as per the requirement or not. It is performed from start to finish under real-world scenarios like communication of the application with hardware, network, database and other applications.
词解
https://dictionary.cambridge.org/us/dictionary/english/end-to-end
理解
相比单元测试 和 功能测试, 此测试更加宏观, 从用户角度执行的测试, 关注用户使用场景。
系统是由各个自模块组成, 用户使用软件,从前端、通过网络、最后到后端, 是一些列步骤, 用户的操作则跨越各个阶段, 所以称为 端(前端)到端(后端)。