import * as assert from 'node:assert/strict'; import { before, describe, it } from 'node:test'; import { loadFixture } from '../../../astro/test/test-utils.js'; import mdx from '../dist/index.js'; const FIXTURE_ROOT = new URL('./fixtures/invalid-mdx-component/', import.meta.url); describe('MDX component with runtime error', () => { let fixture; before(async () => { fixture = await loadFixture({ root: FIXTURE_ROOT, integrations: [mdx()], }); }); describe('build', () => { /** @type {Error | null} */ let error; before(async () => { error = null; try { await fixture.build(); } catch (e) { error = e; } }); it('Throws the right error', async () => { assert.ok(error); assert.match( error?.hint, /This issue often occurs when your MDX component encounters runtime errors/, ); }); }); });