Test the concept of left shift and right shift

Readers ask questions ：

What is test shift left , What is test shift right  ？

Achang replied ：

One 、 Test shift left

The test left shift is before the test phase , As soon as possible before development （ Demand analysis ） And time in development to test , Find problems ahead of time , veterinarian , Avoid getting stuck .

At the source of demand, we should control pseudo demand , In the code design stage, we should control inferior code .

Two 、 Test move right

Moving the test left is to move to the development stage before the test , The test is moved to the right after release , That is, after the product is launched, some testing activities can also be carried out .

Of course, it is not recommended to test directly in the production environment , But it can be monitored in the production environment , Monitor display performance and availability , Once you find any problems , React as soon as possible , Before the user finds out , Solved the problem .

Common practices of enterprises moving left and right , May refer to @IDO This article written by Xu If you can get all these involved in functional testing done , Other problems are not difficult .

Ah Chang reads in pieces ：

Moving the test left can reduce the risk , Better guarantee quality , Avoid meaningless overtime  .

Recently, we have encountered a problem , Because the test moves left （ Requirements review ） Not in place , R & D rework caused by requirements design problems , Make R & D testing have to work overtime frequently , Crazy remedy .

After reading today's sharing, is it enlightening for you , If you have any idea, you are welcome to send a private message backstage, ah Chang , Discuss and communicate with each other

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