Full Introduction to Golang with Test-Driven Development. Part I
Master Go (Golang) with Weekly Tips, Tutorials and Exclusive Courses Keep your Go (Golang) skills … Read more
#Testing
Test asynchronous code using Jest
Test asynchronous code using Jest Test code that contains method setTimeout Let’s say we have … Read more
Name your mocked function with word "mock"
Name your mocked function with word “mock” Let’s look at the example: 1 2 3 4 5 6 … Read more
@testing-library
@testing-library It is a library that provides an ability to write tests. Actually it is a bunch of … Read more
First Steps in Unit Testing with TypeScript
Unit testing is one of the greatest ways to write effective code. In this article, I want to … Read more
Don't use arrow function inside mockImplementation with this (Jest)
Don’t use arrow function inside mockImplementation with this (Jest) When using the arrow … Read more
Playwright
Playwright Playwright is Node library that provides ability to write End-to-End tests and automate … Read more
Debugging in Jest
Debugging in Jest Add breakpoint in test: 1 2 3 4 5 6 7 8 it.each` a | b | result ${1} | ${2} | … Read more
Test of async method in Jest
Test of async method in Jest An example of code: 1 2 3 4 5 6 7 8 9 10 module.exports = { checkUser: … Read more
The problem with mutation of object data in Jest
The problem with mutation of object data in Jest Let’s say we have some method that just set … Read more
Using "table" in method it.each of Jest
Using “table” in method it.each of Jest test.each`table`(name, fn, timeout) 1 2 3 4 5 6 … Read more
Arrange in unit test
Arrange in unit test Preparing to acting of tests All errors in this phase are not actually errors … Read more