@equinor/fusion-observable/src/__tests__/useObservableSubscription.test.ts

WIP

import { renderHook, act } from '@testing-library/react-hooks';
import { Subject } from 'rxjs';
import { useObservableSubscription } from '../react';
describe('useObservableSubscription', () => {
  it('should subscribe with an effect', (complete) => {
    const subject = new Subject<string>();
    const expected = 'foo';
    const cb = (value: string) => expect(value).toEqual(expected);
    expect(subject.observed).toBeFalsy();
    const { unmount } = renderHook(() => useObservableSubscription(subject, cb, complete));
    expect(subject.observed).toBeTruthy();
    act(() => subject.next(expected));
    act(() => unmount());
    expect(subject.observed).toBeFalsy();
    expect.assertions(4);
  });
});