mime.test.ts22 lines · main

1	import { describe, expect, it } from 'vitest'
2
3	import { lookupMime } from './mime'
4
5	describe('lookupMime', () => {
6	it('returns the correct mime type for a known extension', () => {
7	// 'html' is a common extension in mime-db
8	expect(lookupMime('html')).toBe('text/html')
9	})
10
11	it('returns undefined for an unknown extension', () => {
12	expect(lookupMime('notarealext')).toBeUndefined()
13	})
14
15	it('returns undefined for undefined input', () => {
16	expect(lookupMime(undefined)).toBeUndefined()
17	})
18
19	it('is case insensitive', () => {
20	expect(lookupMime('JPG')).toBe(lookupMime('jpg'))
21	})
22	})