WebThe npm package jest-json-matchers receives a total of 4,891 downloads a week. As such, we scored jest-json-matchers popularity level to be Small. Based on project statistics from the GitHub repository for the npm package jest-json-matchers, we found that it has been starred 5 times. WebUsage with Jest Jest Configuration. For unit tests, the next-router-mock module can be used as a drop-in replacement for next/router: jest.mock('next/router', => require ('next-router-mock')); You can do this once per spec file, or you can do this globally using setupFilesAfterEnv. Jest Example
babel-jest-assertions - npm Package Health Analysis Snyk
Web21 lug 2024 · Here's the difference: .toEqual works based on deep equality .toBe is literally just doing a Object.is (x, y) under the hood. Which is slightly different, but basically the same as x === y. Here is an example where the two differ: let x = { z: true }; let y = { z: true }; expect(x) .toBe(y); // FALSE expect(x) .toEqual(y); // TRUE Webin toEqual or toBeCalledWith to match an element in arrayContaining to match a property in objectContaining or toMatchObject This example also shows how you can nest multiple asymmetric matchers, with expect.stringMatching inside the expect.arrayContaining. sketchers low boot
关于测试:Jest中的“ toBe”和“ toEqual”有什么区别? 码农家园
Web29 apr 2024 · Jest provides some functions to accommodate testcases like this. You can use the toContain and toContainEqual functions to check that an array contains a certain item. The difference in these two functions is the equality comparison, which is analogous to toBe and toEqual. Web27 dic 2024 · I don't really have an opinion on a solution, beyond agreeing it's a bug. I'm not sure if the bug is expect(a).toEqual(b) or expect(b).not.toEqual(a), though :P Probably the second one? They are structurally equals, which is what toEqual should test. I think Web18 lug 2024 · Jest documentation reads: toBe just checks that a value is what you expect. It uses === to check strict equality. And for toEqual: Use .toEqual when you want to check … svothatの文