I'm trying to test the debounce with Jest in a component I've made that uses URL params for a search. The handleSearch function uses the useDebounceCallback hook from usehooks-ts (which uses lodash debounce under the hood), and returns a Carbon…
I am going to test the components below through the jest and react test library. I want to test if the API is called normally when I press the button, So I made the API calling part mock. However, this…
Issue I'm running into error SyntaxError: Cannot use import statement outside a module for my jest unit tests after switching one of the packages in our dependencies. The package is a hard requirement and we cannot do anything with it.…
I'm working on a product in Typescript that uses some external package (written in JS if it matters) via npm. In the test i'd like to mock only one JS file from that package. How can i do it with…
I'm currently trying to test my component that uses a custom hook, however I can't seem to manually mock the custom hook used within the component. My code is current as follow; src/components/movies/MovieDetail.tsx import { useParams } from 'react-router-dom'; import…
I'm using setupFiles in Jest to call an authentication flow for a new test framework. As part of that effort I've started abstracting common request types to a separate file, then referencing them in my auth setup file. But for…
Confused about whether to use act or something else? Jest tells me to wrap in act: "console.error, Warning: An update to ContactFormController inside a test was not wrapped in act(...). When testing, code that causes React state updates should be…
I currently encountered a case that I want to write a unit test for my custom hook, said useMyHook in which called useLocation a simple case of the hook is sth. like this: import { useState, useEffect } from 'react'…
<div class="kowKTj bDEoGl"> <div class="Wrappers__Flex-bnXnJe gNIMqf"> <input placeholder="" type="text" class="kGGXDu kNnwpQ emailtextBox form-control" value=""> </div> </div> In the above markup, some of the class names are dynamically added by styled components. Help us how can we select the input property…
I've encountered an error with my tests from a mysterious way. Context : I have a lot of testing files that work for everyone expect me. In the only test that fail, the only issue is this line : const…