angular-docs-cn/modules/angular2/test/router/route_recognizer_spec.js

import {
  AsyncTestCompleter,
  describe,
  it, iit,
  ddescribe, expect,
  inject, beforeEach,
  SpyObject} from 'angular2/test_lib';

import {RouteRecognizer} from 'angular2/src/router/route_recognizer';

export function main() {
  describe('RouteRecognizer', () => {
    var recognizer;
    var handler = {
      'components': { 'a': 'b' }
    };
    var handler2 = {
      'components': { 'b': 'c' }
    };

    beforeEach(() => {
      recognizer = new RouteRecognizer();
    });


    it('should recognize a static segment', () => {
      recognizer.addConfig('/test', handler);
      expect(recognizer.recognize('/test')[0].handler).toEqual(handler);
    });


    it('should recognize a single slash', () => {
      recognizer.addConfig('/', handler);
      var solution = recognizer.recognize('/')[0];
      expect(solution.handler).toEqual(handler);
    });


    it('should recognize a dynamic segment', () => {
      recognizer.addConfig('/user/:name', handler);
      var solution = recognizer.recognize('/user/brian')[0];
      expect(solution.handler).toEqual(handler);
      expect(solution.params).toEqual({ 'name': 'brian' });
    });


    it('should recognize a star segment', () => {
      recognizer.addConfig('/first/*rest', handler);
      var solution = recognizer.recognize('/first/second/third')[0];
      expect(solution.handler).toEqual(handler);
      expect(solution.params).toEqual({ 'rest': 'second/third' });
    });


    it('should throw when given two routes that start with the same static segment', () => {
      recognizer.addConfig('/hello', handler);
      expect(() => recognizer.addConfig('/hello', handler2)).toThrowError(
        'Configuration \'/hello\' conflicts with existing route \'/hello\''
      );
    });


    it('should throw when given two routes that have dynamic segments in the same order', () => {
      recognizer.addConfig('/hello/:person/how/:doyoudou', handler);
      expect(() => recognizer.addConfig('/hello/:friend/how/:areyou', handler2)).toThrowError(
        'Configuration \'/hello/:friend/how/:areyou\' conflicts with existing route \'/hello/:person/how/:doyoudou\''
      );
    });


    it('should recognize redirects', () => {
      recognizer.addRedirect('/a', '/b');
      recognizer.addConfig('/b', handler);
      var solutions = recognizer.recognize('/a');
      expect(solutions.length).toBe(1);

      var solution = solutions[0];
      expect(solution.handler).toEqual(handler);
      expect(solution.matchedUrl).toEqual('/b');
    });


    it('should generate URLs', () => {
      recognizer.addConfig('/app/user/:name', handler, 'user');
      expect(recognizer.generate('user', {'name' : 'misko'})).toEqual('/app/user/misko');
    });


    it('should throw in the absence of required params URLs', () => {
      recognizer.addConfig('/app/user/:name', handler, 'user');
      expect(() => recognizer.generate('user', {})).toThrowError(
        'Route generator for \'name\' was not included in parameters passed.');
    });
  });
}