【 notes 】 the beauty of the software engineering - column 31 | software testing are responsible for the quality of products?

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Column information

1. Columnist: Baoyu

2. Column Publishing Platform: Geek Time

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Main content

Because software development is composed of multiple links, from the initial requirements to the subsequent design and development, each link may lead to quality problems. Testing can only be used for software products that have been developed.The detection does not interfere with the whole process.

Who is responsible for product quality?Before answering this question, you might as well think about a more essential question: what is software product quality?

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I. What is software product quality?

Functional quality, code quality, and process quality combine to provide a good overview of software quality.

1. Functional quality

   End users get the software and experience the functions of the software, and the quality of the functions directly determines the quality of the product.

2. Code Quality

   The most important part of software is the code, and code quality refers to the quality of the architecture and code that implement the software's functions.

3. Process quality

   Software development is inseparable from software engineering and project management.The quality of the software development process determines whether your project can be completed on schedule and within budget.

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2. Who is responsible for product quality?

Since product quality is jointly determined by functional quality, code quality and process quality, being responsible for product quality means being jointly responsible for these three aspects.

Responsibility and power need to be equal. For example, if you make the developer responsible for the software development process, the premise is that he must have the power to influence and control the development process, otherwise he will talk about responsibility without powerIt's just hooliganism.

I think if you want to sort it out, the first person responsible for software quality is the project leader, then the developers, and then the software testing.

Although from the perspective of rights and responsibilities, the project leader should be most responsible for the quality of the project, but in terms of effect, it is the developers who are most responsible for the quality of the project.

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Third, how to achieve "everyone is responsible for product quality"?

Only when a culture that values ​​product quality is truly established within the team will everyone be truly accountable for quality.

What are some ways to help your team build this "everyone cares about product quality" culture?

1. First of all, you can refer to flat management in agile development.
2. Secondly, there is an option to split the team down.
3. Alternatively, integration between trades can also be encouraged.
4. The last thing is to formulate a corresponding system to encourage everyone to pay attention to quality.

To achieve "everyone is responsible for product quality", as mentioned above, It should fall on actions rather than slogans, and the organization should be flat and miniaturized, and the division of labor should be carried out.Breaking the post wall and encouraging everyone to pay attention to quality in the system can truly establish a culture that values ​​product quality and improve product quality together.

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IV. Other excerpts

• Testing cannot directly test the code written by development. It can only be tested based on software functions. That is to say, for the quality of the code, testers have nothing to do.
• Meeting user needs is the most basic requirement for functional quality.
• Although the process quality cannot be directly perceived by the user, the process quality will directly affect the code quality and functional quality, and even the success or failure of the product.
• Developers can more easily find bugs in the code, and it is easier to ensure good code quality and improve test efficiency by means of architecture design and automated testing of code.
• What is emphasized in agile development is that everyone in the project is responsible for product quality, and everyone is responsible for product quality.

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Summary

Ensuring high quality software is not just the tester's responsibility.Software quality is reflected in three aspects: functional quality, code quality and process quality. Being responsible for product quality also means being jointly responsible for these three aspects.