问题描述
学习 MSTest -- 尝试对 REST 函数进行单元测试:AccountController(我相信它会起作用)我想从 Register 开始.由于某种原因,我无法设置 Mocks。 (Moq 已安装)。 另外,我对这可能有什么用感到困惑;如果我模拟所有控制器输入,我将不会得到任何回报?您的建议?
AccountController - 单元测试的目标:
namespace API.Controllers
{
public class AccountController : BaseApiController
{
private readonly UserManager<AppUser> _userManager;
private readonly SignInManager<AppUser> _signInManager;
private readonly RoleManager<IdentityRole> _roleManager;
private readonly ITokenService _tokenService;
private readonly IMapper _mapper;
public AccountController(
UserManager<AppUser> userManager,SignInManager<AppUser> signInManager,RoleManager<IdentityRole> roleManager,ITokenService tokenService,IMapper mapper)
{
_signInManager = signInManager;
_roleManager = roleManager;
_mapper = mapper;
_tokenService = tokenService;
_userManager = userManager;
}
[HttpPost("register")]
// [Authorize]
[Authorize(Roles = "Admin")]
public async Task<ActionResult<UserDto>> Register(RegisterDto registerDto)
{
if (await this.UserExistsAsync(registerDto.Username)) return BadRequest("Username is taken");
var user = _mapper.Map<AppUser>(registerDto);
user.UserName = registerDto.Username.ToLower();
var result = await _userManager.CreateAsync(user,registerDto.Password);
if (!result.Succeeded) return BadRequest(result.Errors);
var roleResult = await _userManager.AddToRoleAsync(user,"User");
if (!roleResult.Succeeded) return BadRequest(result.Errors);
return new UserDto
{
Username = user.UserName,Token = await _tokenService.Createtoken(user),KNownAs = user.KNownAs
};
}
顺便说一句,BaseController 很简单:
{
[ApiController]
[Route("api/[controller]")]
public class BaseApiController : ControllerBase
{
}
}
到目前为止的单元测试是:
namespace API.Controllers.Tests
{
[TestClass()]
public class AccountControllerTests
{
[TestMethod()]
public async void AccountController_Register()
{
var _userManager = new Mock<UserManager<AppUser>>();
var _signInManager = new Mock<SignInManager<AppUser>>();
var _roleManager = new Mock<RoleManager<IdentityRole>>();
ITokenService tokenService;
IMapper mapper;
RegisterDto userDto = new RegisterDto()
{
Username = "Admin",Password = "Secret1234",FirstName = "Johnny",LastName = "Appleseed",Phone1 = "6175551212",Phone2 = "",KNownAs = "Dude",EmailAddress = "Dude@Somewhere.com",Question = "ask",Answer = "answer",};
AccountController accountController = new AccountController(_userManager,_signInManager,_roleManager,tokenService,mapper);
await accountController.Register(userDto);
Assert.Fail(); <<---- this will be replaced obvIoUsly
}
编译器错误如下所示:
其他参数有类似的错误信息。
您的建议或将我指向一个涵盖 MSTest Mocks 的教程:-) 提前致谢。
查克
解决方法
对于 Mock<T>
,您需要调用 .Object
来获取模拟类型
AccountController accountController =
new AccountController(_userManager.Object,//<-- NOTE ".Object" on Mock<T>
_signInManager.Object,_roleManager.Object,tokenService,mapper);
此外,您还需要使用 .Setup
设置预期的行为,以便在测试被测主题时模拟行为符合预期。
参考 Moq Quickstart 以了解如何实际使用该库