abort-utils/dist/merge-signals.test.js

Utility functions to use and combine `AbortSignal` and `AbortController` with Promises

import { test, expect } from 'vitest';
import { mergeSignals } from './merge-signals.js';
test('aborts returned signal when input signals are aborted', () => {
    const one = new AbortController();
    const two = new AbortController();
    const merged = mergeSignals(one.signal, two.signal);
    expect(merged.aborted).toBe(false);
    one.abort('reason');
    expect(merged.aborted).toBe(true);
    expect(merged.reason).toBe('reason');
});
test('aborts returned signal when input signals are pre-aborted', () => {
    const one = AbortSignal.abort('reason');
    const two = new AbortController();
    const merged = mergeSignals(one, two.signal);
    expect(merged.aborted).toBe(true);
    expect(merged.reason).toBe('reason');
});
test('aborts returned signal when input signals are aborted (with reason, pre-aborted with reason)', () => {
    const one = AbortSignal.abort('reason1');
    const two = AbortSignal.abort('reason2');
    const merged = mergeSignals(one, two);
    expect(merged.aborted).toBe(true);
    expect(merged.reason).toBe('reason1');
});