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Questions - enzyme

Cannot spyOn on a primitive value; undefined given - Testing a function execution in onChange in connected component

New to testing and This is a connected component using redux. I am testing if the maskPromoCode function is called. With the current test code, the error says: Cannot spyOn on a primitive value; undef...
test-img

DollyBeeBee

reactjs

unit-testing

redux

jestjs

enzyme

Votes: 0

Answers: 1

Latest Answer

The Textbox component is wrapped by the connect function, it becomes a HOC that has no prototype, I guess you import the HOC in your test file. The TextBox component imported in the test file is a HO...
test-img

Lin Du

Jest/Enzyme TypeError: (0 , _store.configureStore) is not a function

This is my first time testing a react component with redux store related stuff and really confused on pretty much everything. Tried all google research and still not knowing what to do. The component ...
test-img

DollyBeeBee

reactjs

redux

jestjs

enzyme

store

Votes: 0

Answers: 1

Latest Answer

'../../../redux/store' doesn't appear to export a configureStore function: import { configureStore, getDefaultMiddleware } from '@reduxjs/toolkit'; import rootReducer from './rootReducer'; const stor...
test-img

Drew Reese

Why is mapped children component not rendering in enzyme wrapper using mount?

I have a component(ExpansionView) that renders 25 child component(Expansion). const ExpansionView = ({ expansion }: {[key: string]: boolean} = {}): ReactElement => { const validExpansion: StrArr ...
test-img

J Kim

javascript

reactjs

unit-testing

jestjs

enzyme

Votes: 0

Answers: 1

Latest Answer

When using wrapper.debug(), no Expansion were being rendered in the HTML. This was fixed by changing the initState from this: const initState = { allCard: [], expansions: [] }; to this: const initSta...
test-img

J Kim

Using components private functions using Enzyme in Jest

I'm looking at the answers here: How to unit test a method of react component? I'm trying to use a components private function in one of my jest tests but when I do the following: const nPanel = shall...
test-img

discodowney

reactjs

enzyme

Votes: 0

Answers: 0

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