angular-docs-cn/packages/core/test/sanitization/sanatization_spec.ts

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {bypassSanitizationTrustHtml, bypassSanitizationTrustResourceUrl, bypassSanitizationTrustScript, bypassSanitizationTrustStyle, bypassSanitizationTrustUrl, sanitizeHtml, sanitizeResourceUrl, sanitizeScript, sanitizeStyle, sanitizeUrl} from '../../src/sanitization/sanitization';
describe('sanitization', () => {
class Wrap {
constructor(private value: string) {}
toString() { return this.value; }
}
it('should sanitize html', () => {
expect(sanitizeHtml('<div></div>')).toEqual('<div></div>');
expect(sanitizeHtml(new Wrap('<div></div>'))).toEqual('<div></div>');
expect(sanitizeHtml('<img src="javascript:true">'))
.toEqual('<img src="unsafe:javascript:true">');
expect(sanitizeHtml(new Wrap('<img src="javascript:true">')))
.toEqual('<img src="unsafe:javascript:true">');
expect(sanitizeHtml(bypassSanitizationTrustUrl('<img src="javascript:true">')))
.toEqual('<img src="unsafe:javascript:true">');
expect(sanitizeHtml(bypassSanitizationTrustHtml('<img src="javascript:true">')))
.toEqual('<img src="javascript:true">');
});
it('should sanitize url', () => {
expect(sanitizeUrl('http://server')).toEqual('http://server');
expect(sanitizeUrl(new Wrap('http://server'))).toEqual('http://server');
expect(sanitizeUrl('javascript:true')).toEqual('unsafe:javascript:true');
expect(sanitizeUrl(new Wrap('javascript:true'))).toEqual('unsafe:javascript:true');
expect(sanitizeUrl(bypassSanitizationTrustHtml('javascript:true')))
.toEqual('unsafe:javascript:true');
expect(sanitizeUrl(bypassSanitizationTrustUrl('javascript:true'))).toEqual('javascript:true');
});
it('should sanitize resourceUrl', () => {
const ERROR = 'unsafe value used in a resource URL context (see http://g.co/ng/security#xss)';
expect(() => sanitizeResourceUrl('http://server')).toThrowError(ERROR);
expect(() => sanitizeResourceUrl('javascript:true')).toThrowError(ERROR);
expect(() => sanitizeResourceUrl(bypassSanitizationTrustHtml('javascript:true')))
.toThrowError(ERROR);
expect(sanitizeResourceUrl(bypassSanitizationTrustResourceUrl('javascript:true')))
.toEqual('javascript:true');
});
it('should sanitize style', () => {
expect(sanitizeStyle('red')).toEqual('red');
expect(sanitizeStyle(new Wrap('red'))).toEqual('red');
expect(sanitizeStyle('url("http://server")')).toEqual('unsafe');
expect(sanitizeStyle(new Wrap('url("http://server")'))).toEqual('unsafe');
expect(sanitizeStyle(bypassSanitizationTrustHtml('url("http://server")'))).toEqual('unsafe');
expect(sanitizeStyle(bypassSanitizationTrustStyle('url("http://server")')))
.toEqual('url("http://server")');
});
it('should sanitize script', () => {
const ERROR = 'unsafe value used in a script context';
expect(() => sanitizeScript('true')).toThrowError(ERROR);
expect(() => sanitizeScript('true')).toThrowError(ERROR);
expect(() => sanitizeScript(bypassSanitizationTrustHtml('true'))).toThrowError(ERROR);
expect(sanitizeScript(bypassSanitizationTrustScript('true'))).toEqual('true');
});
});