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Why should I write tests?

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Type of projects where unit testing is useless
When do I need to test unit-test vs manual test Is unit
testing worth the effort?

I wonder why I should write tests for those things that I have already tested myself. I am not writing rspec tests or anything like that. To check, I will write something, and then go to the browser and make sure that the changes do what I want. I heard that this methodology is described as "error-prone development."

The applications that I write now are usually small in volume and size. I am the only developer (usually), so I don’t have to worry about including other people's code in my own tests.

I see the need to test large-scale applications in hundreds of forms. But for small applications that I develop myself, writing tests takes much more time than just filling out the information itself. I heard that many developers favored development based on tests, and I have not yet "seen the light." This seems like a great idea, but I just can't justify the amount of work required to write the tests.

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5 answers

One word: regression. After making sure that you don’t break something that was used for work, it’s worth writing tests.

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Source: https://habr.com/ru/post/1705590/

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