Summary

Cannot test everything
Think test program as a whole

The science of testing

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Making good test investments

work like an engineer

  • decomposing
  • automating
  • testing
  • systematically

think like an economist

  • understand downside
  • time and energy consuming

How many test

谷歌测试团队建议:70% 单元测试 20% 集成测试 10% 系统测试
根据迭代回顾和生产环境反馈调整