Bun Bun
40 lines
1.2 KiB
TypeScript
40 lines
1.2 KiB
TypeScript
import { describe, it, expect } from 'vitest'
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import { testRegex, explainRegex } from '../src/utils/regex-tester.js'
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describe('regex-tester', () => {
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it('finds simple matches', () => {
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const result = testRegex({ pattern: '\\d+', flags: 'g', text: 'abc 123 def 456' })
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expect(result.valid).toBe(true)
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expect(result.matches.length).toBe(2)
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expect(result.matches[0].full).toBe('123')
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expect(result.matches[1].full).toBe('456')
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})
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it('captures groups', () => {
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const result = testRegex({ pattern: '(\\w+)=(\\d+)', flags: 'g', text: 'a=1,b=2' })
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expect(result.valid).toBe(true)
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expect(result.matches[0].groups).toEqual(['a', '1'])
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})
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it('reports invalid regex', () => {
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const result = testRegex({ pattern: '[', flags: '', text: 'test' })
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expect(result.valid).toBe(false)
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expect(result.error).toBeDefined()
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})
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it('shows replace preview', () => {
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const result = testRegex({
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pattern: '\\d+',
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flags: 'g',
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text: 'abc 123',
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replacement: 'XXX',
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})
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expect(result.replacePreview).toBe('abc XXX')
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})
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it('explains patterns', () => {
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const exp = explainRegex('\\d+')
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expect(exp).toContain('\\d')
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})
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})
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