updux/src/reducer.test.js

import { test, expect } from 'vitest';

import { Updux } from './Updux.js';

test('basic reducer', () => {
    const dux = new Updux({ initial: { a: 3 } });

    expect(dux.reducer).toBeTypeOf('function');

    expect(dux.reducer({ a: 1 }, { type: 'foo' })).toMatchObject({ a: 1 }); // noop
});

test('basic upreducer', () => {
    const dux = new Updux({ initial: { a: 3 } });

    expect(dux.upreducer).toBeTypeOf('function');

    expect(dux.upreducer({ type: 'foo' })({ a: 1 })).toMatchObject({ a: 1 }); // noop
});