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basename_test.ts
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basename_test.ts
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
// Copyright the Browserify authors. MIT License.
// Ported from https://github.com/browserify/path-browserify/
import { assertEquals } from "../testing/asserts.ts";
import * as path from "./mod.ts";
// Test suite from "GNU core utilities"
// https://github.com/coreutils/coreutils/blob/master/tests/misc/basename.pl
const COREUTILS_TESTSUITE = [
[["d/f"], "f"],
[["/d/f"], "f"],
[["d/f/"], "f"],
[["d/f//"], "f"],
[["f"], "f"],
[["/"], "/"],
[["///"], "/"],
[["///a///"], "a"],
[[""], ""],
[["aa", "a"], "a"],
[["a-a", "-a"], "a"],
[["f.s", ".s"], "f"],
[["fs", "s"], "f"],
[["fs", "fs"], "fs"],
[["fs/", "s"], "f"],
[["dir/file.suf", ".suf"], "file"],
[["fs", "x"], "fs"],
[["fs", ""], "fs"],
[["fs/", "s/"], "fs"],
];
const POSIX_TESTSUITE = [
[[""], ""],
[["/dir/basename.ext"], "basename.ext"],
[["/basename.ext"], "basename.ext"],
[["basename.ext"], "basename.ext"],
[["basename.ext/"], "basename.ext"],
[["basename.ext//"], "basename.ext"],
[["aaa/bbb", "/bbb"], "bbb"],
[["aaa/bbb", "a/bbb"], "bbb"],
[["aaa/bbb", "bbb"], "bbb"],
[["aaa/bbb//", "bbb"], "bbb"],
[["aaa/bbb", "bb"], "b"],
[["aaa/bbb", "b"], "bb"],
[["/aaa/bbb", "/bbb"], "bbb"],
[["/aaa/bbb", "a/bbb"], "bbb"],
[["/aaa/bbb", "bbb"], "bbb"],
[["/aaa/bbb//", "bbb"], "bbb"],
[["/aaa/bbb//", "a/bbb"], "bbb"],
[["/aaa/bbb", "bb"], "b"],
[["/aaa/bbb", "b"], "bb"],
[["/aaa/bbb"], "bbb"],
[["/aaa/"], "aaa"],
[["/aaa/b"], "b"],
[["/a/b"], "b"],
[["//a"], "a"],
[["///"], "/"],
[["///", "bbb"], "/"],
[["//", "bbb"], "/"],
];
const WIN32_TESTSUITE = [
[["\\dir\\basename.ext"], "basename.ext"],
[["\\basename.ext"], "basename.ext"],
[["basename.ext"], "basename.ext"],
[["basename.ext\\"], "basename.ext"],
[["basename.ext\\\\"], "basename.ext"],
[["foo"], "foo"],
[["aaa\\bbb", "\\bbb"], "bbb"],
[["aaa\\bbb", "a\\bbb"], "bbb"],
[["aaa\\bbb", "bbb"], "bbb"],
[["aaa\\bbb\\\\\\\\", "bbb"], "bbb"],
[["aaa\\bbb", "bb"], "b"],
[["aaa\\bbb", "b"], "bb"],
[["/aaa/bbb", "bb"], "b"],
[["C:"], ""],
[["C:."], "."],
[["C:\\"], "\\"],
[["C:\\dir\\base.ext"], "base.ext"],
[["C:\\basename.ext"], "basename.ext"],
[["C:basename.ext"], "basename.ext"],
[["C:basename.ext\\"], "basename.ext"],
[["C:basename.ext\\\\"], "basename.ext"],
[["C:foo"], "foo"],
[["file:stream"], "file:stream"],
];
Deno.test("basename", function () {
for (const [[name, suffix], expected] of COREUTILS_TESTSUITE) {
assertEquals(path.basename(name, suffix), expected);
}
for (const [[name, suffix], expected] of POSIX_TESTSUITE) {
assertEquals(path.posix.basename(name, suffix), expected);
}
// On unix a backslash is just treated as any other character.
assertEquals(
path.posix.basename("\\dir\\basename.ext"),
"\\dir\\basename.ext",
);
assertEquals(path.posix.basename("\\basename.ext"), "\\basename.ext");
assertEquals(path.posix.basename("basename.ext"), "basename.ext");
assertEquals(path.posix.basename("basename.ext\\"), "basename.ext\\");
assertEquals(path.posix.basename("basename.ext\\\\"), "basename.ext\\\\");
assertEquals(path.posix.basename("foo"), "foo");
// POSIX filenames may include control characters
const controlCharFilename = "Icon" + String.fromCharCode(13);
assertEquals(
path.posix.basename("/a/b/" + controlCharFilename),
controlCharFilename,
);
});
Deno.test("basenameWin32", function () {
for (const [[name, suffix], expected] of WIN32_TESTSUITE) {
assertEquals(path.win32.basename(name, suffix), expected);
}
// path.win32 should pass all "forward slash" posix tests as well.
for (const [[name, suffix], expected] of COREUTILS_TESTSUITE) {
assertEquals(path.win32.basename(name, suffix), expected);
}
for (const [[name, suffix], expected] of POSIX_TESTSUITE) {
assertEquals(path.win32.basename(name, suffix), expected);
}
});