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/* eslint-env jest */
// These tests are based on https://github.com/zertosh/htmlescape/blob/3e6cf0614dd0f778fd0131e69070b77282150c15/test/htmlescape-test.js
// License: https://github.com/zertosh/htmlescape/blob/0527ca7156a524d256101bb310a9f970f63078ad/LICENSE
import { htmlEscapeJsonString } from 'next/dist/server/htmlescape'
import vm from 'vm'
describe('htmlescape', () => {
test('with angle brackets should escape', () => {
const evilObj = { evil: '<script></script>' }
expect(htmlEscapeJsonString(JSON.stringify(evilObj))).toBe(
'{"evil":"\\u003cscript\\u003e\\u003c/script\\u003e"}'
)
})
test('with angle brackets should parse back', () => {
const evilObj = { evil: '<script></script>' }
expect(
JSON.parse(htmlEscapeJsonString(JSON.stringify(evilObj)))
).toMatchObject(evilObj)
})
test('with ampersands should escape', () => {
const evilObj = { evil: '&' }
expect(htmlEscapeJsonString(JSON.stringify(evilObj))).toBe(
'{"evil":"\\u0026"}'
)
})
test('with ampersands should parse back', () => {
const evilObj = { evil: '&' }
expect(
JSON.parse(htmlEscapeJsonString(JSON.stringify(evilObj)))
).toMatchObject(evilObj)
})
test('with "LINE SEPARATOR" and "PARAGRAPH SEPARATOR" should escape', () => {
const evilObj = { evil: '\u2028\u2029' }
expect(htmlEscapeJsonString(JSON.stringify(evilObj))).toBe(
'{"evil":"\\u2028\\u2029"}'
)
})
test('with "LINE SEPARATOR" and "PARAGRAPH SEPARATOR" should parse back', () => {
const evilObj = { evil: '\u2028\u2029' }
expect(
JSON.parse(htmlEscapeJsonString(JSON.stringify(evilObj)))
).toMatchObject(evilObj)
})
test('escaped line terminators should work', () => {
expect(() => {
vm.runInNewContext(
'(' +
htmlEscapeJsonString(JSON.stringify({ evil: '\u2028\u2029' })) +
')'
)
}).not.toThrow()
})
})
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