@zenfs/core/tests/fs/errors.test.ts

A filesystem, anywhere

import assert from 'node:assert';
import { suite, test } from 'node:test';
import { ErrnoError } from '../../dist/error.js';
import { fs } from '../common.js';

const existingFile = '/exit.js';

async function expectError(fn: (...args: any[]) => unknown, path: string, ...args: any[]) {
	let error: ErrnoError | undefined;
	try {
		await fn(path, ...args);
	} catch (err: any) {
		assert(err instanceof ErrnoError);
		error = err;
	}
	assert(error);
	assert.equal(error.path, path);
	assert(error.message.includes(path));
}

suite('Error messages', () => {
	const path = '/non-existent';

	fs.promises.stat(path).catch((error: ErrnoError) => {
		assert.equal(error.toString(), error.message);
		assert.equal(error.bufferSize(), 4 + JSON.stringify(error.toJSON()).length);
	});

	test('stat', () => expectError(fs.promises.stat, path));
	test('mkdir', () => expectError(fs.promises.mkdir, existingFile, 0o666));
	test('rmdir', () => expectError(fs.promises.rmdir, path));
	test('rmdir', () => expectError(fs.promises.rmdir, existingFile));
	test('rename', () => expectError(fs.promises.rename, path, 'foo'));
	test('open', () => expectError(fs.promises.open, path, 'r'));
	test('readdir', () => expectError(fs.promises.readdir, path));
	test('unlink', () => expectError(fs.promises.unlink, path));
	test('link', () => expectError(fs.promises.link, path, 'foo'));
	test('chmod', () => expectError(fs.promises.chmod, path, 0o666));
	test('lstat', () => expectError(fs.promises.lstat, path));
	test('readlink', () => expectError(fs.promises.readlink, path));
	test('statSync', () => expectError(fs.statSync, path));
	test('mkdirSync', () => expectError(fs.mkdirSync, existingFile, 0o666));
	test('rmdirSync', () => expectError(fs.rmdirSync, path));
	test('rmdirSync', () => expectError(fs.rmdirSync, existingFile));
	test('renameSync', () => expectError(fs.renameSync, path, 'foo'));
	test('openSync', () => expectError(fs.openSync, path, 'r'));
	test('readdirSync', () => expectError(fs.readdirSync, path));
	test('unlinkSync', () => expectError(fs.unlinkSync, path));
	test('linkSync', () => expectError(fs.linkSync, path, 'foo'));
	test('chmodSync', () => expectError(fs.chmodSync, path, 0o666));
	test('lstatSync', () => expectError(fs.lstatSync, path));
	test('readlinkSync', () => expectError(fs.readlinkSync, path));
});