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71 lines
1.9 KiB
JavaScript
71 lines
1.9 KiB
JavaScript
import { DefaultWhitelist, sanitizeHtml } from '../../../src/util/sanitizer'
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describe('Sanitizer', () => {
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describe('sanitizeHtml', () => {
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it('should return the same on empty string', () => {
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const empty = ''
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const result = sanitizeHtml(empty, DefaultWhitelist, null)
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expect(result).toEqual(empty)
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})
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it('should sanitize template by removing tags with XSS', () => {
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const template = [
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'<div>',
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' <a href="javascript:alert(7)">Click me</a>',
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' <span>Some content</span>',
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'</div>'
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].join('')
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const result = sanitizeHtml(template, DefaultWhitelist, null)
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expect(result.indexOf('script') === -1).toEqual(true)
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})
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it('should allow aria attributes and safe attributes', () => {
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const template = [
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'<div aria-pressed="true">',
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' <span class="test">Some content</span>',
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'</div>'
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].join('')
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const result = sanitizeHtml(template, DefaultWhitelist, null)
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expect(result.indexOf('aria-pressed') !== -1).toEqual(true)
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expect(result.indexOf('class="test"') !== -1).toEqual(true)
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})
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it('should remove not whitelist tags', () => {
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const template = [
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'<div>',
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' <script>alert(7)</script>',
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'</div>'
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].join('')
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const result = sanitizeHtml(template, DefaultWhitelist, null)
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expect(result.indexOf('<script>') === -1).toEqual(true)
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})
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it('should not use native api to sanitize if a custom function passed', () => {
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const template = [
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'<div>',
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' <span>Some content</span>',
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'</div>'
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].join('')
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function mySanitize(htmlUnsafe) {
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return htmlUnsafe
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}
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spyOn(DOMParser.prototype, 'parseFromString')
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const result = sanitizeHtml(template, DefaultWhitelist, mySanitize)
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expect(result).toEqual(template)
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expect(DOMParser.prototype.parseFromString).not.toHaveBeenCalled()
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})
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})
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})
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