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Showing posts with the label Jestjs

How To Test An Embedded Async Call

I am testing a function parent() that calls a function slomo() that returns a promise. I want to ch… Read more How To Test An Embedded Async Call

How To Expose External Library In Browser So Jest Unit Tests Can See It?

I'm writing a math library to be used in a browser, and using Jest to run unit tests on it (whi… Read more How To Expose External Library In Browser So Jest Unit Tests Can See It?

Testing React App With Jest And Enzyme Token Problem

I have a react app in which I have added unit testing, but one of my tests fails, Here is my test f… Read more Testing React App With Jest And Enzyme Token Problem

How Do I Write Test Case For A Function Which Uses Uuid Using Jest?

I'm using jest for writing test cases. One of my function uses uuid and due to which it is not … Read more How Do I Write Test Case For A Function Which Uses Uuid Using Jest?

Mocking Moment() And Moment().format 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

What Is The State Of The Art For Testing/mocking Functions Within A Module In 2018?

I have a module, for the purposes of learning testing, that looks like this: api.js import axios fr… Read more What Is The State Of The Art For Testing/mocking Functions Within A Module In 2018?

Can't Get Jest To Work With Styled Components Which Contain Theming

The Problem I've been using Jest and Enzyme to write tests for my React components build with t… Read more Can't Get Jest To Work With Styled Components Which Contain Theming

How Can Enzyme Check For Component Visibility?

I've attached a cut down version of an issue I am having. I have a simple Checkbox which I hide… Read more How Can Enzyme Check For Component Visibility?

Mock Node External Module Default With Chained Method Using Jest

In our node CLI we have a simple method: 'use strict'; const ora = require('ora');… Read more Mock Node External Module Default With Chained Method Using Jest

How Do I Get A Jest/enzyme Test To Pass This Require Statement Containing A Path And A Prop

Hi I'm trying to test a react module that contains the code which concats a path and a prop co… Read more How Do I Get A Jest/enzyme Test To Pass This Require Statement Containing A Path And A Prop

Order Of Functions Being Executed In Express Messed With Tests

I was trying to integrate Jest and Supertest to build integration tests on some middleware. I gener… Read more Order Of Functions Being Executed In Express Messed With Tests

Jest Not Able To Verify Presence For A Proeprty Using Tohaveproperty

I am using Jest and enzyme, I have a react component, below its structure when performing .debug().… Read more Jest Not Able To Verify Presence For A Proeprty Using Tohaveproperty

Mocking React Custom Hook

I need to mock useLogin hook, bacause it contains logic that throws an error. Later i will test it … Read more Mocking React Custom Hook

Using Jest.fn() To See If S3.upload Function Was Called...what Am I Doing Wrong?

I am a bit new to testing and I have been stuck on this issue for quite some time. So I am trying t… Read more Using Jest.fn() To See If S3.upload Function Was Called...what Am I Doing Wrong?

What's The Best Way To Test Express.js Api

I'm new in API testing with JavaScript. I've found many solution for testing REST APIs, but… Read more What's The Best Way To Test Express.js Api

Passing An Event Object To Enzyme .simulate

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

How To Write Jest Unit Test For A Vue Form Component Which Uses A Vuex Store?

I have a login form. When I fill out the login form with data and the login button is clicked: for… Read more How To Write Jest Unit Test For A Vue Form Component Which Uses A Vuex Store?

Getting Undefined When I Return Some Response From Mocked Axios Call Using Jest

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

How Can I Mock A Service Within A React Component To Isolate Unit Tests In Jest?

I'm trying to refactor a unit test to isolate a service that calls an API using axios from the … Read more How Can I Mock A Service Within A React Component To Isolate Unit Tests In Jest?

How To Test Axios Interceptors With Jest

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