std/fs/_is_subdir_test.ts
David Luis c0f87db914
refactor(fs): resolve directories when checking whether they are the same in isSubdir() (#5076)
refactor(fs): resolve directories when checking whether they are the same
2024-06-19 07:50:14 +10:00

30 lines
1.1 KiB
TypeScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// Copyright the Browserify authors. MIT License.
import { assertEquals } from "@std/assert";
import { SEPARATOR as SEP_POSIX } from "@std/path/posix/constants";
import { SEPARATOR as SEP_WIN32 } from "@std/path/windows/constants";
import { isSubdir } from "./_is_subdir.ts";
Deno.test("isSubdir() returns a boolean indicating if dir is a subdir", function () {
const pairs = [
["", "", false, SEP_POSIX],
[".", "", false, SEP_POSIX],
["/first/second", "/first", false, SEP_POSIX],
["/first", "/first", false, SEP_POSIX],
["/first", "/first/second", true, SEP_POSIX],
["first", "first/second", true, SEP_POSIX],
["../first", "../first/second", true, SEP_POSIX],
["c:\\first", "c:\\first", false, SEP_WIN32],
["c:\\first", "c:\\first\\second", true, SEP_WIN32],
] as const;
pairs.forEach(function ([src, dest, expected, sep]) {
assertEquals(
isSubdir(src, dest, sep),
expected,
`'${src}' should ${expected ? "" : "not"} be parent dir of '${dest}'`,
);
});
});