RemoveJSONTrailingComma.utils.test.ts38 lines · main

1	import { describe, expect, it } from 'vitest'
2
3	import { removeJSONTrailingComma } from '@/lib/helpers'
4
5	describe('removeJSONTrailingComma', () => {
6	it('should handle an empty object', () => {
7	const jsonString = '{}'
8	expect(removeJSONTrailingComma(jsonString)).toEqual(jsonString)
9	})
10
11	it('should handle an empty array', () => {
12	const jsonString = '[]'
13	expect(removeJSONTrailingComma(jsonString)).toEqual(jsonString)
14	})
15
16	it('should handle a JSON string without a trailing comma', () => {
17	const jsonString = '{"name": "John", "age": 25}'
18	expect(removeJSONTrailingComma(jsonString)).toEqual(jsonString)
19	})
20
21	it('should remove a trailing comma for JSON object', () => {
22	const jsonString = '{"name": "John", "age": 25,}'
23	const expectedOutput = '{"name": "John", "age": 25}'
24	expect(removeJSONTrailingComma(jsonString)).toEqual(expectedOutput)
25	})
26
27	it('should remove a trailing commas in an array of objects', () => {
28	const jsonString = '[{"fruit1": "apple","fruit2": "banana",}]'
29	const expectedOutput = '[{"fruit1": "apple","fruit2": "banana"}]'
30	expect(removeJSONTrailingComma(jsonString)).toEqual(expectedOutput)
31	})
32
33	it('should remove all trailing commas in an array of objects', () => {
34	const jsonString = '[{"fruit1": "apple","fruit2": "banana",},]'
35	const expectedOutput = '[{"fruit1": "apple","fruit2": "banana"}]'
36	expect(removeJSONTrailingComma(jsonString)).toEqual(expectedOutput)
37	})
38	})