A Babel transpiler to assist with the conversion of ES6 to ES5 for the Jest testing framework.
A Babel plugin to assist ES6 to ES5 transpilation for the Jest testing framework.
Questions tagged [babel-jest]
607 questions
0
votes
1 answer
Trying to whitelist node module in jest config
I'm hoping this is just a simple mistake on my part, but here's what I'm doing. I have a react native project, and I'm importing via url another react native project that's going to become a common library. Because it's early days, I've not…
jaucourt
- 566
- 4
- 19
0
votes
0 answers
Failing test with message 'OTransitionProperty'
I trying to run jest test on react app without --env=jsdom. Problem is that I mock all information in setupTests.js but still something is missing. At the moment when running test getting error:
TypeErrorL Cannot use 'in' operator to search for…
MarJano
- 1,257
- 2
- 18
- 39
0
votes
1 answer
Jest Mock inside a JSX Unit Test
I have one JSX file to write jest Unit Test.
../dist/container/index
constructor(props) {
super(props);
this.state = {
showName: null
}
}
componentWillMount() {
Request
.get('/api')
.end((err, res) => {
…
user3686652
- 805
- 1
- 6
- 11
0
votes
1 answer
Jest unit test case for componentDidMount const ternary operator
I have componentDidMount which have one const. I am trying to cover unit test case for const which have ternary operator. Can anyone please help me on this how to cover ternary operator condition.
componentDidMount() {
const learnerId =…
Sanjay Kumar
- 11
- 5
0
votes
2 answers
Resemblejs in jest hangs
I'm using ResembleJS for image comparison. I can get it to run when I run it in a standalone script. Here's the code:
var compareImages = require('resemblejs/compareImages');
var fs = require('fs');
var path = require('path');
// The…
ajohnson
- 51
- 5
0
votes
1 answer
React testing through jest gives an unexpected error
I'm using JEST to test my react app.
I get the error and some text as in the image below.
Also, the code for my test case(named: TodoApp.test.jsx) is as :
it("should add todo ...", () => {
// const text = "Suzal is trying react";
// I…
Pramesh Bajracharya
- 2,153
- 3
- 28
- 54
0
votes
1 answer
Jest Unit Class with Dependencies
I'm trying to unit test this class that has a dependency of AppDB and createStudy that I need to mock. To get started I'm attempting to unit test the simple method startLoadingData which happens to be a MobX action
import { observable, action } from…
spakmad
- 880
- 6
- 15
0
votes
1 answer
Unexpected token import when using custom transformer of babel-jest
When I run npm test (jest --watch), I get:
C:\sites\YDR\branches\trunk\development\app\static\js\_modules\marketplace\postbacks\Components\Form.js:44
import('Form').then(function (m) {
^^^^^^
SyntaxError: Unexpected token import
at…
van_folmert
- 4,257
- 10
- 44
- 89
0
votes
3 answers
Testing fetch using Jest- React Native
I have a common api class that i use for handling api calls in React Native. It will make the call and get the json/ error and return it. See the code below.
// General api to acces data from web
import ApiConstants from './ApiConstants';
export…
Victor
- 4,171
- 1
- 29
- 37
0
votes
1 answer
Jest ES6 Error unexpected token import?
Hello how can I use ES6 with Jest. Because they send me a mistake in spread (operator) and export.
How to modify jest?
export default function reducer(state={
open:false
}, action) {
switch (action.type) {
case…
vale ale
- 11
- 6
0
votes
2 answers
jest test case failing for React Component
I'm getting below error, when i try to mock my React Component.
? Test suite failed to run
C:\UBS\Dev\workspace\topcat-ui\node_modules\antd\lib\style\index.css:9
html {
^
SyntaxError: Unexpected token {
at…
user4900074
- 1,695
- 4
- 18
- 24
0
votes
1 answer
What is Expect function to validate schema in JEST and Supertest?
like in chakram testing expect(WallObject).to.have.schema(expectedSchema). Similarly which function is there in Jest? I am using jest with supertest.
Nikita S
- 139
- 2
- 11
0
votes
1 answer
Unable to run Jest tests. Getting Error unexpected token {
I am unable run tests using jest. Writing tests for react application. Getting following error :-
node_modules\bootstrap\dist\css\bootstrap.min.css:5
*//*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css
…
Kunal
- 887
- 1
- 8
- 15
0
votes
0 answers
React Jest Unexected token Import
I am getting an import error when trying to run a simple test:
Error:
FAIL Root\wwwroot\Scripts\__tests__\list_tests.js
● Test suite failed to run
Root\wwwroot\Scripts\__tests__\list_tests.js:3
import List from '../General/list';
…
user2589339
- 91
- 10
0
votes
1 answer
React & Jest global.confirm not updating between tests
I have an existing application that I am trying to write tests for. I have a component function that uses a window.confirm box to get user input (not my code) like this:
if (window.confirm('Are you sure to unassign?')) {
…
Gremash
- 8,158
- 6
- 30
- 44