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132 lines
3.5 KiB
TypeScript
132 lines
3.5 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// Copyright the Browserify authors. MIT License.
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// Ported from https://github.com/browserify/path-browserify/
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import { assertEquals, assertThrows } from "@std/assert";
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import { dirname } from "./dirname.ts";
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import * as posix from "./posix/mod.ts";
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import * as windows from "./windows/mod.ts";
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// Test suite from "GNU core utilities"
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// https://github.com/coreutils/coreutils/blob/master/tests/misc/dirname.pl
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const COREUTILS_TESTSUITE = [
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["d/f", "d"],
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["/d/f", "/d"],
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["d/f/", "d"],
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["d/f//", "d"],
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["f", "."],
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["/", "/"],
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["//", "/"],
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["///", "/"],
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["//a//", "/"],
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["///a///", "/"],
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["///a///b", "///a"],
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["///a//b/", "///a"],
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["", "."],
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] as const;
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const POSIX_TESTSUITE = [
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["/a/b/", "/a"],
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["/a/b", "/a"],
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["/a", "/"],
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["", "."],
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["/", "/"],
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["////", "/"],
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["//a", "/"],
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["foo", "."],
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] as const;
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const WINDOWS_TESTSUITE = [
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["c:\\", "c:\\"],
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["c:\\foo", "c:\\"],
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["c:\\foo\\", "c:\\"],
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["c:\\foo\\bar", "c:\\foo"],
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["c:\\foo\\bar\\", "c:\\foo"],
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["c:\\foo\\bar\\baz", "c:\\foo\\bar"],
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["\\", "\\"],
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["\\foo", "\\"],
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["\\foo\\", "\\"],
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["\\foo\\bar", "\\foo"],
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["\\foo\\bar\\", "\\foo"],
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["\\foo\\bar\\baz", "\\foo\\bar"],
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["c:", "c:"],
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["c:foo", "c:"],
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["c:foo\\", "c:"],
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["c:foo\\bar", "c:foo"],
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["c:foo\\bar\\", "c:foo"],
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["c:foo\\bar\\baz", "c:foo\\bar"],
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["file:stream", "."],
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["dir\\file:stream", "dir"],
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["\\\\unc\\share", "\\\\unc\\share"],
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["\\\\unc\\share\\foo", "\\\\unc\\share\\"],
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["\\\\unc\\share\\foo\\", "\\\\unc\\share\\"],
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["\\\\unc\\share\\foo\\bar", "\\\\unc\\share\\foo"],
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["\\\\unc\\share\\foo\\bar\\", "\\\\unc\\share\\foo"],
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["\\\\unc\\share\\foo\\bar\\baz", "\\\\unc\\share\\foo\\bar"],
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["/a/b/", "/a"],
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["/a/b", "/a"],
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["/a", "/"],
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["", "."],
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["/", "/"],
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["////", "/"],
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["foo", "."],
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] as const;
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Deno.test("posix.dirname()", function () {
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for (const [name, expected] of COREUTILS_TESTSUITE) {
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assertEquals(dirname(name), expected);
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}
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for (const [name, expected] of POSIX_TESTSUITE) {
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assertEquals(posix.dirname(name), expected);
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}
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// POSIX treats backslash as any other character.
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assertEquals(posix.dirname("\\foo/bar"), "\\foo");
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assertEquals(posix.dirname("\\/foo/bar"), "\\/foo");
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assertEquals(posix.dirname("/foo/bar\\baz/qux"), "/foo/bar\\baz");
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assertEquals(posix.dirname("/foo/bar/baz\\"), "/foo/bar");
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});
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Deno.test("posix.dirname() works with file URLs", () => {
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assertEquals(
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posix.dirname(new URL("file:///home/user/Documents/image.png")),
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"/home/user/Documents",
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);
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// throws with non-file URLs
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assertThrows(
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() => posix.dirname(new URL("https://deno.land/")),
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TypeError,
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'URL must be a file URL: received "https:"',
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);
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});
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Deno.test("windows.dirname()", function () {
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for (const [name, expected] of WINDOWS_TESTSUITE) {
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assertEquals(windows.dirname(name), expected);
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}
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// windows should pass all "forward slash" posix tests as well.
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for (const [name, expected] of COREUTILS_TESTSUITE) {
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assertEquals(windows.dirname(name), expected);
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}
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for (const [name, expected] of POSIX_TESTSUITE) {
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assertEquals(windows.dirname(name), expected);
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}
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});
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Deno.test("windows.dirname() works with file URLs", () => {
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assertEquals(
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windows.dirname(new URL("file:///C:/home/user/Documents/image.png")),
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"C:\\home\\user\\Documents",
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);
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// throws with non-file URLs
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assertThrows(
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() => windows.dirname(new URL("https://deno.land/")),
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TypeError,
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'URL must be a file URL: received "https:"',
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);
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});
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