C# 如何使用NUnit对UnitOfWork类进行单元测试?
这是我的UnitOfWork课程:C# 如何使用NUnit对UnitOfWork类进行单元测试?,c#,unit-testing,asp.net-core,nunit,unit-of-work,C#,Unit Testing,Asp.net Core,Nunit,Unit Of Work,这是我的UnitOfWork课程: public class UnitOfWork : IUnitOfWork { protected SampleProjectDbContext _db { get; private set; } private IServiceProvider _serviceProvider; private bool _disposed; public UnitOfWork(SampleProje
public class UnitOfWork : IUnitOfWork
{
protected SampleProjectDbContext _db { get; private set; }
private IServiceProvider _serviceProvider;
private bool _disposed;
public UnitOfWork(SampleProjectDbContext db, IServiceProvider serviceProvider)
{
_db = db;
_serviceProvider = serviceProvider;
}
// some code
public IStudentRepository StudentRepository => _serviceProvider.GetRequiredService<IStudentRepository>();
public ICourseRepository CourseRepository => _serviceProvider.GetService<ICourseRepository>();
public IRegisteredCourseRepository RegisteredCourseRepository => _serviceProvider.GetService<IRegisteredCourseRepository>();
}
我这样测试它,但它会产生错误:
public class UnitOfWork_UnitTest
{
private UnitOfWork _unitOfWork;
private Mock<IServiceProvider> _serviceProviderMock;
private Mock<SampleProjectDbContext> _dbContextMock;
[SetUp]
public void Setup()
{
_serviceProviderMock = new Mock<IServiceProvider>();
_dbContextMock = new Mock<SampleProjectDbContext>();
_unitOfWork = new UnitOfWork(_dbContextMock.Object, _serviceProviderMock.Object);
}
[Test]
public void Should_Return_IStudentRepository()
{
// Arrange
_serviceProviderMock
.Setup(x => x.GetService(typeof(IStudentRepository)))
.Returns(It.IsAny<IStudentRepository>());
// Act
var result = _unitOfWork.StudentRepository;
// Assert
Assert.IsAssignableFrom<IStudentRepository>(result);
}
}
公共类UnitOfWork\u UnitTest
{
私人工作单位(Unitof Work);;
私人模拟服务提供商;
私有Mock_dbContextMock;
[设置]
公共作废设置()
{
_serviceProviderMock=new Mock();
_dbContextMock=新Mock();
_unitOfWork=新unitOfWork(_dbContextMock.Object,_serviceProviderMock.Object);
}
[测试]
public void应该返回
{
//安排
_serviceProviderMock
.Setup(x=>x.GetService(typeof(IStudentRepository)))
.Returns(It.IsAny());
//表演
var结果=_unitOfWork.StudentRepository;
//断言
Assert.IsAssignableFrom(结果);
}
}
错误为“System.InvalidOperationException:没有注册'SampleProject.Core.Contracts.IStudentRepository'类型的服务。”将
设置更改为:
\u serviceProviderMock=new Mock();
_serviceProviderMock
.Setup(x=>x.GetService(typeof(IStudentRepository)))
.Returns(newstudentrepository());
_dbContextMock=新Mock();
_unitOfWork=新unitOfWork(_dbContextMock.Object,_serviceProviderMock.Object);
问题是,您当前正在将\u serviceProviderLock
注入\u unitOfWork
构造函数,然后再进行设置。您还需要提供一个实例而不是匹配器。我在该类中没有看到任何需要测试的内容。没有逻辑,它只是封装了一堆属性_dbContextMock=新Mock()_Setup(x=>x.GetService(typeof(IStudentRepository))).Returns(newstudentrepository(_dbContextMock.Object))_unitOfWork=新unitOfWork(_dbContextMock.Object,_serviceProviderMock.Object)代码>成功了。
public void ConfigureServices(IServiceCollection services)
{
// some code
services.RegisterInfrastructureServices();
}
public class UnitOfWork_UnitTest
{
private UnitOfWork _unitOfWork;
private Mock<IServiceProvider> _serviceProviderMock;
private Mock<SampleProjectDbContext> _dbContextMock;
[SetUp]
public void Setup()
{
_serviceProviderMock = new Mock<IServiceProvider>();
_dbContextMock = new Mock<SampleProjectDbContext>();
_unitOfWork = new UnitOfWork(_dbContextMock.Object, _serviceProviderMock.Object);
}
[Test]
public void Should_Return_IStudentRepository()
{
// Arrange
_serviceProviderMock
.Setup(x => x.GetService(typeof(IStudentRepository)))
.Returns(It.IsAny<IStudentRepository>());
// Act
var result = _unitOfWork.StudentRepository;
// Assert
Assert.IsAssignableFrom<IStudentRepository>(result);
}
}