handler/test/handlers/dispatchers.test.ts

import { beforeEach, describe, expect, vi, it } from 'vitest';
import { createResultResolver, eventDispatcher } from '../../src/handlers/_internal';
import { faker } from '@faker-js/faker';
import { Module } from '../../src/core/types/modules';
import { Processed } from '../../src/handlers/types';
import { CommandType } from '../../src/core';
import { EventEmitter } from 'events';

function createRandomModule(): Processed<Module> {
    return {
        type: faker.number.int({
            min: CommandType.Text,
            max: CommandType.ChannelSelect,
        }),
        description: faker.string.alpha(),
        name: faker.string.alpha(),
        onEvent: [],
        plugins: [],
        execute: vi.fn(),
    };
}

describe('eventDispatcher standard', () => {
    let m: Processed<Module>;
    let ee: EventEmitter;
    beforeEach(() => {
        ee = new EventEmitter();
        m = createRandomModule();
    });

    it('should throw', () => {
        expect(() => eventDispatcher(m, 'not event emitter')).toThrowError();
    });
    it("Shouldn't throw", () => {
        expect(() => eventDispatcher(m, ee)).not.toThrowError();
    });

    it('Should be called once', () => {
        const s = eventDispatcher(m, ee);
        s.subscribe();
        ee.emit(m.name, faker.string.alpha());

        expect(m.execute).toHaveBeenCalledOnce();
    });
});