Created
November 30, 2012 14:49
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UOW & Repo template
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[TestFixture] | |
public class BusinessTests | |
{ | |
private IRepository<Entity> repo; | |
private ConcreteService service; | |
[SetUp] | |
public void SetUp() | |
{ | |
repo = MockRepository.GenerateStub<IRepository<Entity>>(); | |
service = new ConcreteService(repo); | |
} | |
[Test] | |
public void Service_DoSomething_DoesSomething() | |
{ | |
var expectedName = "after"; | |
var entity = new Entity{Name="before"}; | |
var list = new List<Entity>{entity}; | |
repo.Stub(r => r.Query()).Return(list.AsQueryable()); | |
service.DoStuff(); | |
Assert.AreEqual(expectedName, entity.Name); | |
} | |
} |
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public class EFUnitOfWork : IUnitOfWork | |
{ | |
private readonly DbContext context; | |
public EFUnitOfWork(DbContext context) | |
{ | |
this.context = context; | |
} | |
internal DbSet<T> GetDbSet<T>() | |
where T : class | |
{ | |
return context.Set<T>(); | |
} | |
public void Commit() | |
{ | |
context.SaveChanges(); | |
} | |
public void Dispose() | |
{ | |
context.Dispose(); | |
} | |
} | |
public class EFRepository<T> : IRepository<T> | |
where T : class | |
{ | |
private readonly DbSet<T> dbSet; | |
public EFRepository(IUnitOfWork unitOfWork) | |
{ | |
var efUnitOfWork = unitOfWork as EFUnitOfWork; | |
if (efUnitOfWork == null) throw new Exception("Must be EFUnitOfWork"); // TODO: Typed exception | |
dbSet = efUnitOfWork.GetDbSet<T>(); | |
} | |
public void Add(T item) | |
{ | |
dbSet.Add(item); | |
} | |
public void Remove(T item) | |
{ | |
dbSet.Remove(item); | |
} | |
public IQueryable<T> Query() | |
{ | |
return dbSet; | |
} | |
} |
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[TestFixture] | |
[Category("Integrated")] | |
public class IntegratedTest | |
{ | |
private EFUnitOfWork uow; | |
private EFRepository<Entity> repo; | |
[SetUp] | |
public void SetUp() | |
{ | |
Database.SetInitializer(new DropCreateDatabaseAlways<YourContext>()); | |
uow = new EFUnitOfWork(new YourContext()); | |
repo = new EFRepository<Entity>(uow); | |
} | |
[TearDown] | |
public void TearDown() | |
{ | |
uow.Dispose(); | |
} | |
[Test] | |
public void Repository_Add_AddsItem() | |
{ | |
var expected = new Entity { Name = "Test" }; | |
repo.Add(expected); | |
uow.Commit(); | |
var actual = repo.Query().FirstOrDefault(e => e.Name == "Test"); | |
Assert.IsNotNull(actual); | |
} | |
[Test] | |
public void Repository_Remove_RemovesItem() | |
{ | |
var expected = new Entity { Name = "Test" }; | |
repo.Add(expected); | |
uow.Commit(); | |
repo.Remove(expected); | |
uow.Commit(); | |
Assert.AreEqual(0, repo.Query().Count()); | |
} | |
} |
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public interface IUnitOfWork : IDisposable | |
{ | |
void Commit(); | |
} | |
public interface IRepository<T> | |
{ | |
void Add(T item); | |
void Remove(T item); | |
IQueryable<T> Query(); | |
} |
Glad it was helpful. Fixed the errorsnow, thanks. :)
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where T: class is missing at a few places, apart from that this could be the best and complete end to end piece of code I have seen so for.