/
join_test.ts
139 lines (132 loc) · 4.38 KB
/
join_test.ts
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assertEquals } from "../assert/mod.ts";
import * as posix from "./posix/mod.ts";
import * as windows from "./windows/mod.ts";
import { join } from "./join.ts";
const backslashRE = /\\/g;
const joinTests =
// arguments result
[
[[".", "x/b", "..", "/b/c.js"], "x/b/c.js"],
[[], "."],
[["/.", "x/b", "..", "/b/c.js"], "/x/b/c.js"],
[["/foo", "../../../bar"], "/bar"],
[["foo", "../../../bar"], "../../bar"],
[["foo/", "../../../bar"], "../../bar"],
[["foo/x", "../../../bar"], "../bar"],
[["foo/x", "./bar"], "foo/x/bar"],
[["foo/x/", "./bar"], "foo/x/bar"],
[["foo/x/", ".", "bar"], "foo/x/bar"],
[["./"], "./"],
[[".", "./"], "./"],
[[".", ".", "."], "."],
[[".", "./", "."], "."],
[[".", "/./", "."], "."],
[[".", "/////./", "."], "."],
[["."], "."],
[["", "."], "."],
[["", "foo"], "foo"],
[["foo", "/bar"], "foo/bar"],
[["", "/foo"], "/foo"],
[["", "", "/foo"], "/foo"],
[["", "", "foo"], "foo"],
[["foo", ""], "foo"],
[["foo/", ""], "foo/"],
[["foo", "", "/bar"], "foo/bar"],
[["./", "..", "/foo"], "../foo"],
[["./", "..", "..", "/foo"], "../../foo"],
[[".", "..", "..", "/foo"], "../../foo"],
[["", "..", "..", "/foo"], "../../foo"],
[["/"], "/"],
[["/", "."], "/"],
[["/", ".."], "/"],
[["/", "..", ".."], "/"],
[[""], "."],
[["", ""], "."],
[[" /foo"], " /foo"],
[[" ", "foo"], " /foo"],
[[" ", "."], " "],
[[" ", "/"], " /"],
[[" ", ""], " "],
[["/", "foo"], "/foo"],
[["/", "/foo"], "/foo"],
[["/", "//foo"], "/foo"],
[["/", "", "/foo"], "/foo"],
[["", "/", "foo"], "/foo"],
[["", "/", "/foo"], "/foo"],
];
// Windows-specific join tests
const windowsJoinTests = [
// arguments result
// UNC path expected
[["//foo/bar"], "\\\\foo\\bar\\"],
[["\\/foo/bar"], "\\\\foo\\bar\\"],
[["\\\\foo/bar"], "\\\\foo\\bar\\"],
// UNC path expected - server and share separate
[["//foo", "bar"], "\\\\foo\\bar\\"],
[["//foo/", "bar"], "\\\\foo\\bar\\"],
[["//foo", "/bar"], "\\\\foo\\bar\\"],
// UNC path expected - questionable
[["//foo", "", "bar"], "\\\\foo\\bar\\"],
[["//foo/", "", "bar"], "\\\\foo\\bar\\"],
[["//foo/", "", "/bar"], "\\\\foo\\bar\\"],
// UNC path expected - even more questionable
[["", "//foo", "bar"], "\\\\foo\\bar\\"],
[["", "//foo/", "bar"], "\\\\foo\\bar\\"],
[["", "//foo/", "/bar"], "\\\\foo\\bar\\"],
// No UNC path expected (no double slash in first component)
[["\\", "foo/bar"], "\\foo\\bar"],
[["\\", "/foo/bar"], "\\foo\\bar"],
[["", "/", "/foo/bar"], "\\foo\\bar"],
// No UNC path expected (no non-slashes in first component -
// questionable)
[["//", "foo/bar"], "\\foo\\bar"],
[["//", "/foo/bar"], "\\foo\\bar"],
[["\\\\", "/", "/foo/bar"], "\\foo\\bar"],
[["//"], "\\"],
// No UNC path expected (share name missing - questionable).
[["//foo"], "\\foo"],
[["//foo/"], "\\foo\\"],
[["//foo", "/"], "\\foo\\"],
[["//foo", "", "/"], "\\foo\\"],
// No UNC path expected (too many leading slashes - questionable)
[["///foo/bar"], "\\foo\\bar"],
[["////foo", "bar"], "\\foo\\bar"],
[["\\\\\\/foo/bar"], "\\foo\\bar"],
// Drive-relative vs drive-absolute paths. This merely describes the
// status quo, rather than being obviously right
[["c:"], "c:."],
[["c:."], "c:."],
[["c:", ""], "c:."],
[["", "c:"], "c:."],
[["c:.", "/"], "c:.\\"],
[["c:.", "file"], "c:file"],
[["c:", "/"], "c:\\"],
[["c:", "file"], "c:\\file"],
];
Deno.test("posix.join()", function () {
joinTests.forEach(function (p) {
const _p = p[0] as string[];
const actual = posix.join.apply(null, _p);
assertEquals(actual, p[1]);
});
});
Deno.test("windows.join()", function () {
joinTests.forEach(function (p) {
const _p = p[0] as string[];
const actual = windows.join.apply(null, _p).replace(backslashRE, "/");
assertEquals(actual, p[1]);
});
windowsJoinTests.forEach(function (p) {
const _p = p[0] as string[];
const actual = windows.join.apply(null, _p);
assertEquals(actual, p[1]);
});
});
Deno.test(`join() returns "." if input is empty`, function () {
assertEquals(join(""), ".");
assertEquals(join("", ""), ".");
const pwd = Deno.cwd();
assertEquals(join(pwd), pwd);
assertEquals(join(pwd, ""), pwd);
});