Category "jestjs"

Babel throwing Support for the experimental syntax 'jsx' isn't currently enabled

I started newly writing unit test cases using Jest and Enzyme for the react application and when try to run test cases using jest like "test": "jest --watch" ra

Intercept navigation change with jest.js (or how to override and restore location.href)

Application code is calling location.href = "some-url". I want to write a test that verify the navigation redirect has happened. Using jest on jsdom, I tried t

TypeError: Cannot read properties of undefined (reading 'click'). fireEvent.click works but userEvent.click does not. Why?

Just started learning React testing with Jest, and am struggling with something simple. When I call userEvent.click(btn), the test fails saying that userEvent.c

Can Jest be used as browser based testing tool?

I understand that Jest is a unit testing tool for developers used for JavaScript. Is Jest a browser based testing tool similar to Selenium or a functional testi

How to mock S3 with jest?

I am tryng to code a test for upload. But i am not understating how to properly use jest.mock('aws-sdk') export class S3Service { private readonly s3: S3;

How can I modify the value of state in pinia in vue3 component test and affect the component?

Using vue-test-utils to test the component using pinia, I need to modify the value of the state stored in pinia, but I have tried many methods to no avail. The

How do I get text from input text box in selenium?

I need to insert with selenium to text box and then get it to another use. how can I do this? The function getText() doesn't work.

how to integrate jenkins with react jest testing results

My project is using reatJS, jest is used to do unit test and also to generate the coverage report. Now I need to use jenkins to automatically build the project

jest unit test mock google oauthClient in nestjs

I am currently doing unit test for the services in Nestjs using Jest, one of which is using the google Oauth service. My goal is to verify the token from google

Is there any way to mock private functions with Jest?

The ES6 module that I want to test looks as follows: function privateFunction() { ... } export function publicFunction() { ... does something ... priva

Jest Angular svg template

I have several components in my Angular 9 app that have their templates defined in svg file like templateUrl: './eye.component.svg'. When I run tests it errors

Node v13 / Jest / ES6 — native support for modules without babel or esm

Is it possible to test ES6 Modules with Jest without esm or babel? Since node v13 supports es6 natively have tried: //package.json { … "type": "modu

_vuex.default.store is not a constructor

I'm trying to test a component that uses vuex inside it, I'm trying to pass the store of the respective component so that it can be assembled, but I'm getting t

how to pass screen.height & screen.width in vue test case | Jest Framework

I have used screen.height & screen.width for js operations. I can't able to pass the test case. (code coverage). I am using vue utils - Jest framework. belo

How to disable Morgan (request logger) during unit test?

I use Morgan (default express generator request logger), and I'm trying to disable it during unit testing. Currently I'm using the default configuration, which

Jest - SyntaxError: Cannot use import statement outside a module

I am using jest:24.9.0 without any configuration, installed globally from a create-react-app. Inside these files I am using es6 modules. There is no error when

Trigger useEffect in Jest and Enzyme testing

I'm using Jest and Enzyme to test a React functional component. MyComponent: export const getGroups = async () => { const data = await fetch(groupApi

How to pass a an argument to getByText in react Testing Library?

Currently I'm doing this getByText(/SomeText/i); But I want to make a function and pass some text as an argument by first storing it in a variable. I tried doi

Jest: function that should throw does not pass and test will fail

I want to test a function A that calls multiple other functions inside it which can throw errors. Here is an abstraction of my code: // file A.ts const A = (ar

Jest: function that should throw does not pass and test will fail

I want to test a function A that calls multiple other functions inside it which can throw errors. Here is an abstraction of my code: // file A.ts const A = (ar