javascript dox

I have followed this document and set an absolute path across the project. But when I run test case… Read more Set Absolute Path For Jest In React Project

In my project, I have a namespace that exports some functions that use Axios, in the same file I ad… Read more How To Test Axios Interceptors With Jest

I see the changes the method makes as event handler, but jest.spyOn(wrapper.vm, 'methodName'… Read more Why Doesn't Jest.spyon() Sometimes Work On A Vue Component's Method?

I'm trying to use Jest manual mock to mock the behaviour of a package X used in a project. The… Read more Jest Manual Mocking A Package Requiring New Instance

I am upgrading to Jest 22 and I got some problem about mocking window.location. In past, this metho… Read more Specify Window.location For Each Test File For Jest

I am using Jest and Enzyme to test a React checkbox component. This is my test: it('triggers ch… Read more Passing An Event Object To Enzyme .simulate

I have a search bar component which looks like: render () { const { onChangeTextInput } = thi… Read more Jest Test Fails With Refs And Form

I'm trying to mock axios call and verify the response, but when I log the response from mocked … Read more Getting Undefined When I Return Some Response From Mocked Axios Call Using Jest

I'm unable to mock moment() or moment().format functions. I have states where, currentDateMomen… Read more Mocking Moment() And Moment().format Using Jest

Here's my callnapply.js file const callAndApply = { caller(object, method, nameArg, ageArg, t… Read more How Do I Test Call And Apply Functions In Jest?

I am testing a React component using Jest and Enzyme, and am having difficulty testing that a debou… Read more Testing Debounced Function In React Component With Jest And Enzyme

I need to spy on Date.toISOString() and return a value. const spy = jest.spyOn(global, Date); spies… Read more Jest: Spy On Object Method?

I'm trying to write a unit-test for a password changing React-module, but i can't get the c… Read more How To Mock Jquery .done() So It Executes Correctly With Jest?

I'm trying to mock axios.create() because I'm using its instance across the app and obvious… Read more How To Mock Axios.create([config]) Function To Return Its Instance Methods Instead Of Overriding Them With Mock?

running docker mhart/alpine-node:8 on macOS with nodejs (6.10.3-r0) (18/18) yarn 0.24.6 jest … Read more Jest No Tests Found

Our unit tests run in containers in our continuous delivery pipelines. Sometimes, we don't hand… Read more How To Ensure Jest Fails On "unhandledrejection"?

I have an event listener that runs an asynchronous function, and removes some elements from the DOM… Read more How To Test An Async Function In An Event Listener With Jest?

Below settings for my package.json If I run from command line npm test all jest test cases are exec… Read more Jest Typeerror: Path Must Be A String. Received Undefined

This is a function used in a react component. As you can see I'm using ref to get the focus on … Read more ReactJS: How To Test For A Ref?

I have been trying to test an else block for when window is undefined. As I'm using Next.js the… Read more How Can I Set Window To Undefined In Order To Test The SSR Rendering In An Isomorphic Application?