Alright I have a component called <TestButton />. Inside the <TestButton /> there are two Semantic UI React component, <Button /> and <Header>.  Basically, when the <Button> is clicked, it toggles display: none; to <H...
I am getting the following error whenever I run jest in commandline:   ? Test suite failed to run  /Users/<USER>/<Project>/src/login/LoginAPI.js:13         ...headers,         ^^^  SyntaxError: Unexpected token ...   The code that it brea...
Here's my callnapply.js file  const callAndApply = {   caller(object, method, nameArg, ageArg, tShirtSizeArg) {     method.call(object, nameArg, ageArg, tShirtSizeArg);   },   applier(object, method, argumentsArr) {     method.apply(object, argum...
I just finished writing my first Reactjs component and I am ready to write some tests (I used material-ui's Table and Toggle). I read about jest and enzyme but I feel that I am still missing something.  My component looks like this (simplified):...
In ChangesFactory-test.js I am importing the class I want to test like so:  import ChangesFactory from 'path/to/src/ChangesFactory'  I am trying to create an instance in a test case like this:  describe('Changes', function () { it (&#...
I have spent a long time looking at other questions about this and looking at other projects on Github but none of the answers seem to work for me.  I am loading a third party library in my project, and when running Jest tests I get the error  export...
class TestObject {   constructor(value) {     if (value === null || value === undefined) {       throw new Error('Expect a value!');     }   } }  describe('test the constructor', () => {   test('it works', () => {     ex...
really battling here.  My Circle CI tests have failed with a  FAIL  ./App.test.js   ? Test suite failed to run      SyntaxError: Unexpected token )   I try to run Jest locally on my machine (a CRNA one) but i get the following error:  TypeError: envi...
I have an image upload endpoint in my API that accepts application/octet-stream requests and handles these streams. I'd like to write test coverage for this endpoint but cannot figure out how to use supertest to stream an image.  Here's my co...
When I try to test a typescript code:  namespace MainNamespace {     export class MainClass {         public sum(a: number, b: number) : number {             return a + b;         }     } }   My test:  describe("main test", () => {     it(...

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