Question

我跟随本网站的单元测试（作者：Torgeir Helgevold）@：TGH http://www.syntaxsuccess.com/viewarticle/angular-2.0-unit-testing进行单元测试，但收到错误：

＆＃34;错误：（15,39）TS2345：类型的参数＆＃39; FunctionWithParamTokens＆＃39;不能分配给＆＃39;（完成:(）=＆gt; void）=＆gt;类型的参数空隙＆＃39;＆＃34;

it('should define full name2', inject([DisplayName], (displayName) => {
            displayName.firstName = 'Joe';
            displayName.lastName = 'Smith';
            displayName.generateFullName();
            expect(displayName.fullName).toBe('Joe Smith');
        }));

此网站中的代码是否已过期？谁能给我一些参考资料来学习Anuglar2 + Jasmine的单元测试？

Answer 1

我也遇到了这个错误。问题是我没有从beforeEach导入angular2/testing。

import {it, describe, expect, inject, beforeEach} from 'angular2/testing';

describe('Thing', () => {
  let thing: Thing;

  beforeEach(inject([Thing], (t: Thing) => {
    thing = t;
  }));

  it('should do something', () => {
    expect(thing.doSomething()).toBe('I did a thing');
  });
});

角度2 +茉莉花单元测试 - 获得错误TS2345

1 个答案: