promisary/dist/hash.test.js

A growing collection of utilities to make working with Promises easier and cleaner.

import { describe, it, expect } from 'vitest';
import { hash } from './hash';
describe('hash', () => {
    it('resolves simple values', async () => {
        const input = { a: 1, b: 2 };
        const result = await hash(input);
        expect(result).toEqual({ a: 1, b: 2 });
    });
    it('resolves promises', async () => {
        const input = {
            a: Promise.resolve(1),
            b: Promise.resolve(2),
        };
        const result = await hash(input);
        expect(result).toEqual({ a: 1, b: 2 });
    });
    it('handles mixed values and promises', async () => {
        const input = {
            a: 1,
            b: Promise.resolve(2),
        };
        const result = await hash(input);
        expect(result).toEqual({ a: 1, b: 2 });
    });
    it('rejects if any promise rejects', async () => {
        const input = {
            a: 1,
            b: Promise.reject(new Error('fail')),
        };
        await expect(hash(input)).rejects.toThrow('fail');
    });
    it('resolves to empty object for null or undefined', async () => {
        expect(await hash(null)).toEqual({});
        expect(await hash(undefined)).toEqual({});
    });
});