claude-code/src/utils/__tests__/xml.test.ts

import { describe, expect, test } from 'bun:test'
import { escapeXml, escapeXmlAttr } from '../xml'

describe('escapeXml', () => {
  test('escapes ampersand', () => {
    expect(escapeXml('a & b')).toBe('a & b')
  })

  test('escapes less-than', () => {
    expect(escapeXml('<div>')).toBe('&lt;div&gt;')
  })

  test('escapes greater-than', () => {
    expect(escapeXml('a > b')).toBe('a &gt; b')
  })

  test('escapes multiple special chars', () => {
    expect(escapeXml('<a & b>')).toBe('&lt;a &amp; b&gt;')
  })

  test('returns empty string unchanged', () => {
    expect(escapeXml('')).toBe('')
  })

  test('returns normal text unchanged', () => {
    expect(escapeXml('hello world')).toBe('hello world')
  })
})

describe('escapeXmlAttr', () => {
  test('escapes double quotes', () => {
    expect(escapeXmlAttr('say "hello"')).toBe('say &quot;hello&quot;')
  })

  test('escapes single quotes', () => {
    expect(escapeXmlAttr("it's")).toBe('it&apos;s')
  })

  test('escapes all special chars', () => {
    expect(escapeXmlAttr('<a & "b">')).toBe('&lt;a &amp; &quot;b&quot;&gt;')
  })
})