我正在尝试测试以下服务,但似乎无法匹配模拟响应:
public getCustomerDetails(customerID:string): ng.IPromise<ICustomerDetails> {
return this.testService.getCustomerDetails(customerID).then((customerResponse:ICustomerResult) => {
var customer = customerResponse.customers;
var customerDetailsResult:ICustomerDetails = {
customerNumber: customer.displayCustomerNumber,
name: customer.name,
userId: customer.buId,
customerType: customer.type,
address: customer.displayAddress
};
return customerDetailsResult;
});
}
这是 Jasmine 代码:
describe('CustomerService', () => {
var mockTestService: any = {};
var $q: ng.IQService;
var createCustomerDetailsService;
var customerDetailsService;
var createResolvedPromise;
var resolvePromises;
var serviceResponse = {
customerNumber: 'string',
name: 'name',
userId: 'buId',
customerType: 'type',
address: 'displayAddress'
};
var rootScope;
beforeEach(() => {
module('app.customer');
inject(( _$q_, $injector) => {
this.$q = _$q_;
rootScope = $injector.get('$rootScope');
createResolvedPromise = (result) => {
return this.$q.when(result);
};
resolvePromises = () => {
rootScope.$apply();
};
createCustomerDetailsService = () => {
return new app.customer.CustomerService(
mockRnsService);
};
});
});
it('WILL search by customer ID and return a customers details', () => {
var searchResponsePromise;
mockTestService.getCustomerDetails = jasmine.createSpy("getCustomerDetails").and.callFake(createResolvedPromise);
customerDetailsService = createCustomerDetailsService();
searchResponsePromise = customerDetailsService.getCustomerDetails('12345678');
resolvePromises();
expect(searchResponsePromise).toEqual(serviceResponse);
});
});
我得到的错误是:
TypeError: 'undefined' 不是一个对象(评估 'customer.displayCustomerNumber')
谁能告诉我为什么会出现此错误?谢谢你的帮助。
最佳答案
createResolvedPromise
设置 getCustomerDetails
以返回带有您传入的参数值的 promise - 在本例中为 '12345678'
。这意味着 customerResponse
的值为 '12345678'
。因此,从 customerResponse.customers
获取值的 customer
是未定义的,因为字符串上没有属性 customers
。因此,当您尝试评估 customer.displayCustomerNumber
时会发生错误,因为 customer
未定义。
关于angularjs - Jasmine + 使用 Typescript : TypeError: 'undefined' is not an object 进行 Angular 测试,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32710937/