is-safe-filename/test.js at main · sindresorhus/is-safe-filename · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
import test from 'ava';
import isSafeFilename, {assertSafeFilename, unsafeFilenameFixtures} from './index.js';

test('isSafeFilename - safe filenames', t => {
	t.true(isSafeFilename('foo'));
	t.true(isSafeFilename('foo.json'));
	t.true(isSafeFilename('.gitignore'));
	t.true(isSafeFilename('foo-bar_baz'));
	t.true(isSafeFilename('...'));
});

test('isSafeFilename - unsafe filenames', t => {
	for (const filename of unsafeFilenameFixtures) {
		t.false(isSafeFilename(filename));
	}
});

test('isSafeFilename - non-string input', t => {
	t.false(isSafeFilename(123));
	t.false(isSafeFilename(null));
	t.false(isSafeFilename(undefined));
	t.false(isSafeFilename({}));
});

test('assertSafeFilename - does not throw for safe filenames', t => {
	t.notThrows(() => assertSafeFilename('foo'));
	t.notThrows(() => assertSafeFilename('foo.json'));
});

test('assertSafeFilename - throws for unsafe filenames', t => {
	for (const filename of unsafeFilenameFixtures) {
		t.throws(() => assertSafeFilename(filename), {message: /^Unsafe filename:/});
	}
});

test('assertSafeFilename - throws TypeError for non-string input', t => {
	t.throws(() => assertSafeFilename(123), {instanceOf: TypeError, message: 'Expected a string'});
	t.throws(() => assertSafeFilename(null), {instanceOf: TypeError, message: 'Expected a string'});
	t.throws(() => assertSafeFilename(undefined), {instanceOf: TypeError, message: 'Expected a string'});
	t.throws(() => assertSafeFilename({}), {instanceOf: TypeError, message: 'Expected a string'});
});