horse-betting/btc-ui-app-2/node_modules/piscina/test/generics.ts
2025-06-19 16:39:08 +05:30

43 lines
1.3 KiB
TypeScript

import { resolve } from 'path';
import Piscina from '..';
import { test } from 'tap';
test('Piscina<T , R> works', async ({ equal }) => {
const worker = new Piscina<string, number>({
filename: resolve(__dirname, 'fixtures/eval.js')
});
const result: number = await worker.run('Promise.resolve(42)');
equal(result, 42);
});
test('Piscina with no generic works', async ({ equal }) => {
const worker = new Piscina({
filename: resolve(__dirname, 'fixtures/eval.js')
});
const result = await worker.run('Promise.resolve("Hello, world!")');
equal(result, 'Hello, world!');
});
test('Piscina<T, R> typescript complains when invalid Task is supplied as wrong type', async ({ equal }) => {
const worker = new Piscina<string, number>({
filename: resolve(__dirname, 'fixtures/eval.js')
});
// @ts-expect-error complains due to invalid Task being number when expecting string
const result = await worker.run(42);
equal(result, 42);
});
test('Piscina<T, R> typescript complains when assigning Result to wrong type', async ({ equal }) => {
const worker = new Piscina<string, number>({
filename: resolve(__dirname, 'fixtures/eval.js')
});
// @ts-expect-error complains due to expecting a number but being assigned to a string
const result: string = await worker.run('Promise.resolve(42)');
equal(result, 42);
});