Question

我不断收到错误消息：

UserService单元测试getNumberOfUsers（）规格没有期望应该返回用户总数

当我定义如下期望值时：

  describe('getNumberOfUsers()', () => {
    it('should return total number of users',
      inject([UserService], (userService) => {
        let noOfUsers = 0;
        userService.getNumberOfUsers().subscribe((result) => {
          noOfUsers = result.data.counter;
          expect(noOfUsers).toBeGreaterThan(0);
        });
    }));

我该如何解决？

Answer 1

您需要提供茉莉花的DoneFn

describe('getNumberOfUsers()', () => {
    it('should return total number of users', (done: DoneFn) => { // supply DoneFn
      inject([UserService], (userService) => {
        let noOfUsers = 0;
        userService.getNumberOfUsers().subscribe((result) => {
          noOfUsers = result.data.counter;
          expect(noOfUsers).toBeGreaterThan(0);
          done(); //call DoneFn
        });
    })(); // immediatly call inject function
  });
})

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getNumberOfUsers（）订阅SPEC没有期望

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