Jest is a JavaScript unit testing framework made by Facebook based on Jasmine and provides automated mock creation and a jsdom environment.
In Sinon I can do the following: var myObj = { prop: 'foo' }; sinon.stub(myObj, 'prop').get(function getterFn() { return 'bar'; }); …
javascript reactjs mocking sinon jestjsIf I use import/export from ES6 then all my Jest tests fail with error: Unexpected reserved word I convert …
ecmascript-6 jestjs babel-jestI have a spy that is used in multiple assertions across multiple tests in a suite. How do I clear …
javascript testing jestjsJest documentation reads: toBe just checks that a value is what you expect. It uses === to check strict equality. And …
testing jestjsI'm quite new to Jest and admittedly am no expert at testing async code... I have a simple Fetch helper …
reactjs redux fetch jestjs redux-thunkI'm getting following error when I try to test an angular component: Error while running jest tests: Can't bind to …
angular angular-material karma-jasmine jestjsI try to create an intial setup for Jest in React + TypeScript. I have completed the initial setup and try …
typescript npm jestjs ts-jestI have written the following test: it('Can decrement the current step', function () { expect(reducer(TestState, { type: 'GOTO_PREVIOUS_STEP' })).…
javascript jestjsCan anyone explain how does jest.fn() actually work with a real world example , as i'm literally confused on how …
unit-testing reactjs es6-promise jestjs