angular-docs-cn/modules/angular2/test/services/url_resolver_spec.ts

import {describe, it, expect, beforeEach, ddescribe, iit, xit, el} from 'angular2/test_lib';
import {UrlResolver} from 'angular2/src/services/url_resolver';

export function main() {
  describe('UrlResolver', () => {
    var resolver = new UrlResolver();

    it('should add a relative path to the base url', () => {
      expect(resolver.resolve('http://www.foo.com', 'bar')).toEqual('http://www.foo.com/bar');
      expect(resolver.resolve('http://www.foo.com/', 'bar')).toEqual('http://www.foo.com/bar');
      expect(resolver.resolve('http://www.foo.com', './bar')).toEqual('http://www.foo.com/bar');
      expect(resolver.resolve('http://www.foo.com/', './bar')).toEqual('http://www.foo.com/bar');
    });

    it('should replace the base path', () => {
      expect(resolver.resolve('http://www.foo.com/baz', 'bar')).toEqual('http://www.foo.com/bar');
      expect(resolver.resolve('http://www.foo.com/baz', './bar')).toEqual('http://www.foo.com/bar');
    });

    it('should append to the base path', () => {
      expect(resolver.resolve('http://www.foo.com/baz/', 'bar'))
          .toEqual('http://www.foo.com/baz/bar');
      expect(resolver.resolve('http://www.foo.com/baz/', './bar'))
          .toEqual('http://www.foo.com/baz/bar');
    });

    it('should support ".." in the path', () => {
      expect(resolver.resolve('http://www.foo.com/baz/', '../bar'))
          .toEqual('http://www.foo.com/bar');
      expect(resolver.resolve('http://www.foo.com/1/2/3/', '../../bar'))
          .toEqual('http://www.foo.com/1/bar');
      expect(resolver.resolve('http://www.foo.com/1/2/3/', '../biz/bar'))
          .toEqual('http://www.foo.com/1/2/biz/bar');
      expect(resolver.resolve('http://www.foo.com/1/2/baz', '../../bar'))
          .toEqual('http://www.foo.com/bar');
    });

    it('should ignore the base path when the url has a scheme',
       () => {
         expect(resolver.resolve('http://www.foo.com', 'http://www.bar.com'))
             .toEqual('http://www.bar.com');
       })

        it('should throw when the url start with "/"', () => {
          expect(() => { resolver.resolve('http://www.foo.com/1/2', '/test'); }).toThrowError();
        });
  });
}