node/test/parallel/test-path-extname.js
Kyriakos Markakis ce4a06d5dc
test: change forEach to for...of in path extname
PR-URL: https://github.com/nodejs/node/pull/50667
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
2023-11-13 12:45:59 +00:00

101 lines
3.1 KiB
JavaScript

'use strict';
require('../common');
const assert = require('assert');
const path = require('path');
const failures = [];
const slashRE = /\//g;
const testPaths = [
[__filename, '.js'],
['', ''],
['/path/to/file', ''],
['/path/to/file.ext', '.ext'],
['/path.to/file.ext', '.ext'],
['/path.to/file', ''],
['/path.to/.file', ''],
['/path.to/.file.ext', '.ext'],
['/path/to/f.ext', '.ext'],
['/path/to/..ext', '.ext'],
['/path/to/..', ''],
['file', ''],
['file.ext', '.ext'],
['.file', ''],
['.file.ext', '.ext'],
['/file', ''],
['/file.ext', '.ext'],
['/.file', ''],
['/.file.ext', '.ext'],
['.path/file.ext', '.ext'],
['file.ext.ext', '.ext'],
['file.', '.'],
['.', ''],
['./', ''],
['.file.ext', '.ext'],
['.file', ''],
['.file.', '.'],
['.file..', '.'],
['..', ''],
['../', ''],
['..file.ext', '.ext'],
['..file', '.file'],
['..file.', '.'],
['..file..', '.'],
['...', '.'],
['...ext', '.ext'],
['....', '.'],
['file.ext/', '.ext'],
['file.ext//', '.ext'],
['file/', ''],
['file//', ''],
['file./', '.'],
['file.//', '.'],
];
for (const testPath of testPaths) {
const expected = testPath[1];
const extNames = [path.posix.extname, path.win32.extname];
for (const extname of extNames) {
let input = testPath[0];
let os;
if (extname === path.win32.extname) {
input = input.replace(slashRE, '\\');
os = 'win32';
} else {
os = 'posix';
}
const actual = extname(input);
const message = `path.${os}.extname(${JSON.stringify(input)})\n expect=${
JSON.stringify(expected)}\n actual=${JSON.stringify(actual)}`;
if (actual !== expected)
failures.push(`\n${message}`);
}
const input = `C:${testPath[0].replace(slashRE, '\\')}`;
const actual = path.win32.extname(input);
const message = `path.win32.extname(${JSON.stringify(input)})\n expect=${
JSON.stringify(expected)}\n actual=${JSON.stringify(actual)}`;
if (actual !== expected)
failures.push(`\n${message}`);
}
assert.strictEqual(failures.length, 0, failures.join(''));
// On Windows, backslash is a path separator.
assert.strictEqual(path.win32.extname('.\\'), '');
assert.strictEqual(path.win32.extname('..\\'), '');
assert.strictEqual(path.win32.extname('file.ext\\'), '.ext');
assert.strictEqual(path.win32.extname('file.ext\\\\'), '.ext');
assert.strictEqual(path.win32.extname('file\\'), '');
assert.strictEqual(path.win32.extname('file\\\\'), '');
assert.strictEqual(path.win32.extname('file.\\'), '.');
assert.strictEqual(path.win32.extname('file.\\\\'), '.');
// On *nix, backslash is a valid name component like any other character.
assert.strictEqual(path.posix.extname('.\\'), '');
assert.strictEqual(path.posix.extname('..\\'), '.\\');
assert.strictEqual(path.posix.extname('file.ext\\'), '.ext\\');
assert.strictEqual(path.posix.extname('file.ext\\\\'), '.ext\\\\');
assert.strictEqual(path.posix.extname('file\\'), '');
assert.strictEqual(path.posix.extname('file\\\\'), '');
assert.strictEqual(path.posix.extname('file.\\'), '.\\');
assert.strictEqual(path.posix.extname('file.\\\\'), '.\\\\');