test: Introduce new test cases

Added new test cases to test the APIs whether it correctly accepts file URL path and a `URL` object with 'file:' protocol, and correctly throws an `URIError` if the provided URL path using unsupported protocols.

test/lsfnd.spec.cjs

@@ -1,29 +1,51 @@
-const { join, basename } = require('node:path');
+/**
+ * A test module for `lsfnd` package designed for CommonJS module (CJS).
+ * @author Ryuu Mitsuki (https://github.com/mitsuki31)
+ */
+
+const path = require('node:path');
+const { pathToFileURL } = require('node:url');
 const { ls, lsFiles, lsDirs } = require('..');
-const { it, rejects, deepEq } = require('./lib/simpletest');
+const { it, rejects, doesNotReject, deepEq } = require('./lib/simpletest');
+
+const rootDir = path.resolve('..');
+const rootDirPosix = path.posix.resolve('..');
 
-console.log(`\n\x1b[1m${basename(__filename)}:\x1b[0m`);
+console.log(`\n\x1b[1m${path.basename(__filename)}:\x1b[0m`);
 
 it('test `ls` function by listing this file directory', async () => {
   const results = await ls(__dirname, {}, 0);
   const expected = [ 'lib', 'lsfnd.spec.cjs', 'lsfnd.spec.mjs' ]
-    .map((e) => join(__dirname, e));
+    .map((e) => path.join(__dirname, e));
   deepEq(results, expected);
 }, false);
 
 it('test `lsFiles` function by listing this file directory', async () => {
   const results = await lsFiles(__dirname);
   const expected = [ 'lsfnd.spec.cjs', 'lsfnd.spec.mjs' ]
-    .map((e) => join(__dirname, e));
+    .map((e) => path.join(__dirname, e));
   deepEq(results, expected);
 }, false);
 
+it('list root directory using URL object', async () => {
+  await doesNotReject(ls(pathToFileURL(rootDirPosix)), URIError);
+}, false);
+
+it('list root directory using file URL path', async () => {
+  await doesNotReject(ls('file:'.concat(rootDirPosix)), URIError);
+}, false);
+
 it('test `lsDirs` function by listing this file directory', async () => {
   const results = await lsDirs(__dirname);
-  const expected = [ 'lib' ].map((e) => join(__dirname, e));
+  const expected = [ 'lib' ].map((e) => path.join(__dirname, e));
   deepEq(results, expected);
 }, false);
 
-it('throws an error if given directory path not exist', async () => {
+it('throws an error if the given directory path not exist', async () => {
   await rejects(ls('./this/is/not/exist/directory/path'), Error);
 }, false);
+
+it('throws an URIError if the given file URL path using unsupported protocol',
+  async () => await rejects(ls('http:'.concat(rootDirPosix)), URIError),
+  false
+);

test/lsfnd.spec.mjs

@@ -1,35 +1,55 @@
-import { join, dirname, basename } from 'node:path';
-import { fileURLToPath } from 'node:url';
+/**
+ * A test module for `lsfnd` package designed for ECMAScript module (ESM).
+ * @author Ryuu Mitsuki (https://github.com/mitsuki31)
+ */
+
+import * as path from 'node:path';
+import { fileURLToPath, pathToFileURL } from 'node:url';
 import { ls, lsFiles, lsDirs } from '../dist/index.js';
 import test from './lib/simpletest.js';
-const { it, rejects, deepEq } = test;
+const { it, rejects, doesNotReject, deepEq } = test;  // Resolve import from CommonJS module
 
 // Create the '__dirname' and '__filename' variable, because in ESM these are not defined
 const __filename = fileURLToPath(import.meta.url);
-const __dirname = dirname(__filename);
+const __dirname = path.dirname(__filename);
+const rootDir = path.resolve('..');
+const rootDirPosix = path.posix.resolve('..');
 
-console.log(`\n\x1b[1m${basename(__filename)}:\x1b[0m`);
+console.log(`\n\x1b[1m${path.basename(__filename)}:\x1b[0m`);
 
 it('test `ls` function by listing this file directory', async () => {
   const results = await ls(__dirname, {}, 0);
   const expected = [ 'lib', 'lsfnd.spec.cjs', 'lsfnd.spec.mjs' ]
-    .map((e) => join(__dirname, e));
+    .map((e) => path.join(__dirname, e));
   deepEq(results, expected);
 }, false);
 
 it('test `lsFiles` function by listing this file directory', async () => {
   const results = await lsFiles(__dirname);
   const expected = [ 'lsfnd.spec.cjs', 'lsfnd.spec.mjs' ]
-    .map((e) => join(__dirname, e));
+    .map((e) => path.join(__dirname, e));
   deepEq(results, expected);
 }, false);
 
 it('test `lsDirs` function by listing this file directory', async () => {
   const results = await lsDirs(__dirname);
-  const expected = [ 'lib' ].map((e) => join(__dirname, e));
+  const expected = [ 'lib' ].map((e) => path.join(__dirname, e));
   deepEq(results, expected);
 }, false);
 
-it('throws an error if given directory path not exist', async () => {
+it('list root directory using URL object', async () => {
+  await doesNotReject(ls(pathToFileURL(rootDirPosix)), URIError);
+}, false);
+
+it('list root directory using file URL path', async () => {
+  await doesNotReject(ls('file:'.concat(rootDirPosix)), URIError);
+}, false);
+
+it('throws an error if the given directory path not exist', async () => {
   await rejects(ls('./this/is/not/exist/directory/path'), Error);
 }, false);
+
+it('throws an URIError if the given file URL path using unsupported protocol',
+  async () => await rejects(ls('http:'.concat(rootDirPosix)), URIError),
+  false
+);