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/*
This file is part of GNU Taler
(C) 2021 Taler Systems S.A.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
*
* @author Sebastian Javier Marchano (sebasjm)
*/
import { renderHook, act } from '@testing-library/preact-hooks';
import { useListener } from "../../src/hooks/listener.js";
// jest.useFakeTimers()
test('listener', async () => {
function createSomeString() {
return "hello"
}
async function addWorldToTheEnd(resultFromComponentB: string) {
return `${resultFromComponentB} world`
}
const expectedResult = "hello world"
const { result } = renderHook(() => useListener(addWorldToTheEnd))
if (!result.current) {
expect(result.current).toBeDefined()
return;
}
{
const [activator, subscriber] = result.current
expect(activator).toBeUndefined()
act(() => {
subscriber(createSomeString)
})
}
const [activator] = result.current
expect(activator).toBeDefined()
if (!activator) return;
const response = await activator()
expect(response).toBe(expectedResult)
});
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