我有 .NET Core 2.0 项目,其中包含存储库模式和 xUnit 测试。
现在,这是它的一些代码。
Controller :
public class SchedulesController : Controller
{
private readonly IScheduleRepository repository;
private readonly IMapper mapper;
public SchedulesController(IScheduleRepository repository, IMapper mapper)
{
this.repository = repository;
this.mapper = mapper;
}
[HttpGet]
public IActionResult Get()
{
var result = mapper.Map<IEnumerable<Schedule>, IEnumerable<ScheduleDto>>(source: repository.items);
return new OkObjectResult(result);
}
}
我的测试类:
public class SchedulesControllerTests
{
[Fact]
public void CanGet()
{
try
{
//Arrange
Mock<IScheduleRepository> mockRepo = new Mock<IScheduleRepository>();
mockRepo.Setup(m => m.items).Returns(new Schedule[]
{
new Schedule() { Id=1, Title = "Schedule1" },
new Schedule() { Id=2, Title = "Schedule2" },
new Schedule() { Id=3, Title = "Schedule3" }
});
var mockMapper = new Mock<IMapper>();
mockMapper.Setup(x => x.Map<Schedule>(It.IsAny<ScheduleDto>()))
.Returns((ScheduleDto source) => new Schedule() { Title = source.Title });
SchedulesController controller = new SchedulesController(repository: mockRepo.Object, mapper: mockMapper.Object);
//Act
var result = controller.Get();
//Assert
var okResult = result as OkObjectResult;
Assert.NotNull(okResult);
var model = okResult.Value as IEnumerable<ScheduleDto>;
Assert.NotNull(model);
}
catch (Exception ex)
{
//Assert
Assert.False(false, ex.Message);
}
}
}
我面临的问题。
我的问题是,当我使用数据库上下文运行此代码并执行 Get()
时方法,它工作正常,它给了我所有的结果。
但是当我尝试运行测试用例时,它没有返回 Dto 对象的任何数据。 当我调试时我发现
我正在使用
mockRepo
在 Controller 中获取我的测试对象.但看起来自动映射器没有正确初始化,因为在映射时它没有返回任何东西
var result = mapper.Map<IEnumerable<Schedule>, IEnumerable<ScheduleDto>>(source: repository.items);
到目前为止我尝试了什么?
我遵循了所有这些答案,但仍然无法正常工作。
Mocking Mapper.Map() in Unit Testing
How to Mock a list transformation using AutoMapper
因此,我需要精通 xUnit 和 automapper 的人的帮助,并且需要有关如何正确初始化 mock Mapper 的指导。
最佳答案
最后它对我有用,我按照这种方式How to Write xUnit Test for .net core 2.0 Service that uses AutoMapper and Dependency Injection?
我在这里发布我的答案和测试类,如果需要其他 SO 可以使用。
public class SchedulesControllerTests
{
[Fact]
public void CanGet()
{
try
{
//Arrange
//Repository
Mock<IScheduleRepository> mockRepo = new Mock<IScheduleRepository>();
var schedules = new List<Schedule>(){
new Schedule() { Id=1, Title = "Schedule1" },
new Schedule() { Id=2, Title = "Schedule2" },
new Schedule() { Id=3, Title = "Schedule3" }
};
mockRepo.Setup(m => m.items).Returns(value: schedules);
//auto mapper configuration
var mockMapper = new MapperConfiguration(cfg =>
{
cfg.AddProfile(new AutoMapperProfile());
});
var mapper = mockMapper.CreateMapper();
SchedulesController controller = new SchedulesController(repository: mockRepo.Object, mapper: mapper);
//Act
var result = controller.Get();
//Assert
var okResult = result as OkObjectResult;
if (okResult != null)
Assert.NotNull(okResult);
var model = okResult.Value as IEnumerable<ScheduleDto>;
if (model.Count() > 0)
{
Assert.NotNull(model);
var expected = model?.FirstOrDefault().Title;
var actual = schedules?.FirstOrDefault().Title;
Assert.Equal(expected: expected, actual: actual);
}
}
catch (Exception ex)
{
//Assert
Assert.False(false, ex.Message);
}
}
}
关于c# - xUnit 测试和 .NET Core 2.0 中的 Automapper,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49934707/