如何使用工作单元和存储库模式来添加简单的添加功能 [英] how to moq simple add function that uses Unit of Work and Repository Pattern
问题描述
我的测试看起来像这样
[Fact]
public void SimpleAddTest()
{
// Arrange
var authorizationsToBeAdded = new List<PatientPayerAuthInfo>
{
new PatientPayerAuthInfo (),
new PatientPayerAuthInfo ()
}.ToList();
var persistentAuthorizations = new List<PatientPayerAuthInfo>
{
new PatientPayerAuthInfo {PatientPayerAuthInfoId = 1 },
new PatientPayerAuthInfo {PatientPayerAuthInfoId = 2 },
new PatientPayerAuthInfo {PatientPayerAuthInfoId = 3 },
new PatientPayerAuthInfo {PatientPayerAuthInfoId = 4 }
}.AsQueryable();
var mockSet = new Mock<DbSet<PatientPayerAuthInfo>>();
mockSet.As<IQueryable<PatientPayerAuthInfo>>().Setup(m => m.Provider).Returns(persistentAuthorizations.Provider);
mockSet.As<IQueryable<PatientPayerAuthInfo>>().Setup(m => m.Expression).Returns(persistentAuthorizations.Expression);
mockSet.As<IQueryable<PatientPayerAuthInfo>>().Setup(m => m.ElementType).Returns(persistentAuthorizations.ElementType);
mockSet.As<IQueryable<PatientPayerAuthInfo>>().Setup(m => m.GetEnumerator()).Returns(persistentAuthorizations.GetEnumerator());
var mockedUnitOfWork = new Mock<IUOW<DBContext>>();
var service = new PatientPayerService(mockedUnitOfWork.Object);
// Act
var sut = service.AddPatientPayerAuthInfos(authorizationsToBeAdded);
// Assert
}
服务层功能如下
public void AddPatientPayerAuthInfos(IEnumerable<PatientPayerAuthInfo> patientPayerAuthInfos)
{
foreach (var patientPayerAuthInfo in patientPayerAuthInfos)
{
UOW.PatientPayerAuthInfos.Add(patientPayerAuthInfo);
}
UOW.SaveChanges();
}
AND存储库实现为
public virtual void Add(T entity)
{
DbEntityEntry dbEntityEntry = DbContext.Entry(entity);
if (dbEntityEntry.State != EntityState.Detached)
{
dbEntityEntry.State = EntityState.Added;
}
else
{
DbSet.Add(entity);
}
}
然后有一个提交方法,该方法调用EF的SaveChanges.
which then has a commit method that calls EF's SaveChanges.
我的问题是我们如何使用persistentAuthorizations来设置mockedUnitOfWork,以便当我使用authorizationsToBeAdded添加两个对象时,persistentAuthorizations的总数将变为6,最初为4.
my question is how we can Setup mockedUnitOfWork using persistentAuthorizations so that when i add Two objects using authorizationsToBeAdded then the total count of persistentAuthorizations becomes 6, which are 4 initially.
或者纠正我,如果我走错了路.
or correct me if i am on wrong track.
public interface IRepository<T> where T : class
{
void Add(T entity);
}
public interface IUOW<U> where U : DbContext, IDisposable
{
IRepository<PatientPayerAuthInfo> PatientPayerAuthInfos { get; }
void SaveChanges();
}
推荐答案
使用列表作为persistentAuthorizations
的基础,例如:
Use a list as base for persistentAuthorizations
like:
var data = new List<PatientPayerAuthInfo>
{
new PatientPayerAuthInfo {PatientPayerAuthInfoId = 1 },
new PatientPayerAuthInfo {PatientPayerAuthInfoId = 2 },
new PatientPayerAuthInfo {PatientPayerAuthInfoId = 3 },
new PatientPayerAuthInfo {PatientPayerAuthInfoId = 4 }
};
var persistentAuthorizations = data.AsQueryable();
然后您可以像这样设置mockedUnitOfWork
:
Then you can setup mockedUnitOfWork
like this:
var repositoy = new Mock<IRepository<PatientPayerAuthInfo>>();
// when adding data to the repository, add the item to 'data'
repositoy.Setup(r => r.Add(It.IsAny<PatientPayerAuthInfo>()))
.Callback(delegate(PatientPayerAuthInfo y)
{
data.Add(y);
});
// when accessing 'PatientPayerAuthInfos', use the repository mock
var mockedUnitOfWork = new Mock<IUOW<DBContext>>();
mockedUnitOfWork.SetupGet(x => x.PatientPayerAuthInfos).Returns(() => repositoy.Object);
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