@chassisjs/hermes/lib/CancellablePromise.test.js

Production-Ready TypeScript Outbox Pattern

import { expect, test } from '@jest/globals';
import { CancellationPromise } from './CancellablePromise.js';
test(`CancellationPromise can be resolved`, async () => {
    const promise = new CancellationPromise();
    expect(promise).toBeInstanceOf(Promise);
    expect(typeof promise.resolve).toEqual('function');
    promise.resolve('test');
    await expect(promise).resolves.toBe('test');
});
test(`CancellationPromise can be rejected`, async () => {
    const promise = new CancellationPromise();
    expect(promise).toBeInstanceOf(Promise);
    expect(typeof promise.reject).toEqual('function');
    promise.reject(new Error('error'));
    await expect(promise).rejects.toEqual(new Error('error'));
});
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