public async Task ShouldRetrieveCustomerWithIdFromCache()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
var id = SampleDataProvider.CreateGuid(1);
Assert.IsFalse(unitOfWork.Entities.ExistsInCache(id));
Customer customer = null;
try
{
customer = unitOfWork.Entities.WithIdFromCache(id);
}
catch (EntityNotFoundException)
{
// Expected exception
}
Assert.IsNull(customer);
// Fetch from data source
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
await unitOfWork.Entities.WithIdFromDataSourceAsync(id);
Assert.IsTrue(unitOfWork.Entities.ExistsInCache(id));
customer = unitOfWork.Entities.WithIdFromCache(id);
Assert.IsNotNull(customer);
Assert.IsTrue(customer.CustomerID == id);
}
public async Task ShouldRaiseQueryEvents()
{
var interceptor = new TestEntityManagerDelegate();
CompositionContext contextWithEntityManagerDelegate = CompositionContext.Fake
.WithGenerator(typeof(EntityManagerDelegate), () => interceptor)
.WithName("ShouldRaiseQueryEvents");
CompositionContextResolver.Add(contextWithEntityManagerDelegate);
IEntityManagerProvider <NorthwindIBEntities> emp =
EntityManagerProviderFactory.CreateTestEntityManagerProvider("ShouldRaiseQueryEvents");
Assert.IsTrue(interceptor.QueriedRaised == 0);
Assert.IsTrue(interceptor.QueryingRaised == 0);
Assert.IsTrue(interceptor.FetchingRaised == 0);
await InitFakeBackingStoreAsync(emp.ConnectionOptions.CompositionContext.Name);
await emp.Manager.Customers.ExecuteAsync();
Assert.IsTrue(interceptor.QueriedRaised > 0);
Assert.IsTrue(interceptor.QueryingRaised > 0);
Assert.IsTrue(interceptor.FetchingRaised > 0);
Assert.IsTrue(interceptor.QueryingRaised < interceptor.FetchingRaised);
Assert.IsTrue(interceptor.FetchingRaised < interceptor.QueriedRaised);
}
public void ShouldCreateEntityWithInternalCtor()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <EntityWithInternalCtor>(provider);
var task = unitOfWork.Factory.CreateAsync();
Assert.IsNotNull(task.Result);
Assert.IsTrue(task.Result.EntityAspect.EntityState.IsAdded());
}
public async Task ShouldRetrieveAllCustomersAndOrders()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
unitOfWork.Clear();
var customers = await unitOfWork.Entities.AllAsync();
Assert.IsTrue(customers.Any());
Assert.IsFalse(provider.Manager.FindEntities <Order>(EntityState.AllButDetached).Any());
unitOfWork.Clear();
customers = await unitOfWork.Entities.AllAsync(fetchOptions : options => options.Include(x => x.Orders));
Assert.IsTrue(customers.Any());
Assert.IsTrue(provider.Manager.FindEntities <Order>(EntityState.AllButDetached).Any());
unitOfWork.Clear();
customers = await unitOfWork.Entities.AllAsync(CancellationToken.None);
Assert.IsTrue(customers.Any());
Assert.IsFalse(provider.Manager.FindEntities <Order>(EntityState.AllButDetached).Any());
unitOfWork.Clear();
customers = await unitOfWork.Entities.AllAsync(CancellationToken.None, fetchOptions : options => options.Include("Orders"));
Assert.IsTrue(customers.Any());
Assert.IsTrue(provider.Manager.FindEntities <Order>(EntityState.AllButDetached).Any());
unitOfWork.Clear();
customers = await unitOfWork.Entities.AllInDataSourceAsync();
Assert.IsTrue(customers.Any());
Assert.IsFalse(provider.Manager.FindEntities <Order>(EntityState.AllButDetached).Any());
unitOfWork.Clear();
customers = await unitOfWork.Entities.AllInDataSourceAsync(fetchOptions : options => options.Include("Orders"));
Assert.IsTrue(customers.Any());
Assert.IsTrue(provider.Manager.FindEntities <Order>(EntityState.AllButDetached).Any());
unitOfWork.Clear();
customers = await unitOfWork.Entities.AllInDataSourceAsync(CancellationToken.None);
Assert.IsTrue(customers.Any());
Assert.IsFalse(provider.Manager.FindEntities <Order>(EntityState.AllButDetached).Any());
unitOfWork.Clear();
customers = await unitOfWork.Entities.AllInDataSourceAsync(CancellationToken.None, fetchOptions : options => options.Include("Orders"));
Assert.IsTrue(customers.Any());
Assert.IsTrue(provider.Manager.FindEntities <Order>(EntityState.AllButDetached).Any());
}
public async Task ShouldRetrieveTopCustomers()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var customers = await unitOfWork.Entities.AllAsync(fetchOptions : options => options.Take(2));
Assert.IsTrue(customers.Count() == 2);
}
public async Task ShouldRetrieveCustomersWithSelector()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var result = await unitOfWork.Entities.FindAsync(q => q.Select(x => x.CompanyName), x => x.City == "SomeCity", q => q.OrderBy(x => x));
Assert.IsTrue(result.Any());
}
public async Task ShouldCancelQueryTask()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
var em = provider.Manager;
em.Querying += (sender, args) => args.Cancel = true;
await unitOfWork.Entities.AllAsync()
.ContinueWith(task => Assert.IsTrue(task.IsCanceled, "Should be cancelled"));
}
public async Task ShouldGetCustomers()
{
var emp = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var repository = new CustomerRepository(emp);
await InitFakeBackingStoreAsync(emp.Manager.CompositionContext.Name);
var customers = await repository.GetCustomersAsync(null);
Assert.IsTrue(customers.Any(), "Should have some customers");
}
public async Task ShouldRetrieveCustomersIfSortedWithSortFunction()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var customers = await unitOfWork.Entities.AllAsync(q => q.OrderBy(c => c.City));
Assert.IsTrue(customers.Any());
}
public async Task ShouldRetrieveCustomersWithPredicateExpression()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var customers = await unitOfWork.Entities.FindAsync(c => c.City == "SomeCity");
Assert.IsTrue(customers.Any());
Assert.IsTrue(customers.All(c => c.City == "SomeCity"));
}
public async Task ShouldRetrieveCustomersWithPredicateDescription()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
var pd = PredicateBuilder.Make("City", FilterOperator.IsEqualTo, "SomeCity");
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var customers = await unitOfWork.Entities.FindAsync(pd.ToPredicate <Customer>());
Assert.IsTrue(customers.Any());
Assert.IsTrue(customers.All(c => c.City == "SomeCity"));
}
public async Task ShouldRetrieveDistinctCitiesDynamic()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var cities = await unitOfWork.Entities.FindAsync(
q => q.Select(new ProjectionSelector("City")), fetchOptions : options => options.Distinct());
Assert.IsTrue(cities.Cast <string>().Any());
Assert.IsTrue(cities.Cast <string>().GroupBy(x => x).All(x => x.Count() == 1));
}
public async Task ShouldCancelProjectionQueryTask()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
var cts = new CancellationTokenSource();
cts.Cancel();
await unitOfWork.Entities.FindAsync(q => q.Select(x => x.CompanyName), cts.Token)
.ContinueWith(task => Assert.IsTrue(task.IsCanceled, "Should be cancelled"));
await unitOfWork.Entities.FindInDataSourceAsync(q => q.Select(x => x.CompanyName), cts.Token)
.ContinueWith(task => Assert.IsTrue(task.IsCanceled, "Should be cancelled"));
}
public async Task ShouldRetrieveCustomerWithId()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
var id = SampleDataProvider.CreateGuid(1);
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var customer = await unitOfWork.Entities.WithIdAsync(id);
Assert.IsNotNull(customer);
Assert.IsTrue(customer.CustomerID == id);
}
public async Task ShouldRetrieveAllCustomers()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var expectedCount = await unitOfWork.Entities.CountAsync();
var customers = await unitOfWork.Entities.AllAsync(q => q.OrderBy(x => x.CompanyName));
Assert.IsTrue(customers.Count() == expectedCount);
Assert.IsTrue(unitOfWork.Entities.CountInCache() == expectedCount);
}
public async Task ShouldCancelQueryTaskWithToken()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
var cts = new CancellationTokenSource();
cts.Cancel();
await unitOfWork.Entities.AllAsync(cts.Token)
.ContinueWith(task => Assert.IsTrue(task.IsCanceled, "Should be cancelled"));
await unitOfWork.Entities.AllInDataSourceAsync(cts.Token)
.ContinueWith(task => Assert.IsTrue(task.IsCanceled, "Should be cancelled"));
}
public async Task ShouldRetrieveOrderProjectionAndCustomer()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var orders = await unitOfWork.Entities.FindAsync(
q => q.SelectMany(x => x.Orders), fetchOptions : options => options.Include(x => x.Customer));
Assert.IsTrue(orders.Any());
var customers = provider.Manager.FindEntities <Customer>(EntityState.AllButDetached);
Assert.IsTrue(customers.Any());
}
public void ShouldRaiseClearedEvent()
{
var interceptor = new TestEntityManagerDelegate();
CompositionContext contextWithEntityManagerDelegate = CompositionContext.Fake
.WithGenerator(typeof(EntityManagerDelegate), () => interceptor)
.WithName("ShouldRaiseClearedEvent");
CompositionContextResolver.Add(contextWithEntityManagerDelegate);
IEntityManagerProvider <NorthwindIBEntities> emp =
EntityManagerProviderFactory.CreateTestEntityManagerProvider("ShouldRaiseClearedEvent");
Assert.IsTrue(interceptor.ClearedRaised == 0);
emp.Manager.Clear();
Assert.IsTrue(interceptor.ClearedRaised > 0);
}
public async Task ShouldCancelSaveTask()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
var em = provider.Manager;
var customer = new Customer {
CustomerID = Guid.NewGuid(), CompanyName = "Foo"
};
em.AddEntity(customer);
em.Saving += (sender, args) =>
args.Cancel = true;
Assert.IsTrue(em.HasChanges());
await unitOfWork.CommitAsync()
.ContinueWith(task => Assert.IsTrue(task.IsCanceled, "Should be cancelled"));
}
public async Task ShouldPageCustomersWithPredicate()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var repository = new PagerRepository <Customer>(provider);
var sortSelector = new SortSelector("CompanyName");
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var pager = repository.Pager(sortSelector, 2, x => x.City == "SomeCity");
var page = await pager.LastPageAsync();
Assert.IsTrue(page.PageWasFound);
Assert.IsTrue(page.Results.Count() == 1);
Assert.IsTrue(pager.TotalItemCount == 3);
Assert.IsTrue(pager.TotalNumberOfPages == 2);
Assert.IsTrue(page.PageIndex == 1);
}
public async Task ShouldSynchronizeDeletesBetweenEntityManagers()
{
CompositionContext compositionContextWithSyncInterceptor = CompositionContext.Fake
.WithGenerator(typeof(IEntityManagerSyncInterceptor), () => new SyncInterceptor())
.WithName("ShouldSynchronizeDeletesBetweenEntityManagers");
CompositionContextResolver.Add(compositionContextWithSyncInterceptor);
var rep1 = new CustomerRepository(
EntityManagerProviderFactory.CreateTestEntityManagerProvider(
"ShouldSynchronizeDeletesBetweenEntityManagers"));
var rep2 = new CustomerRepository(
EntityManagerProviderFactory.CreateTestEntityManagerProvider(
"ShouldSynchronizeDeletesBetweenEntityManagers"));
await InitFakeBackingStoreAsync("ShouldSynchronizeDeletesBetweenEntityManagers");
var customers = await rep1.GetCustomersAsync(null);
var customers2 = await rep2.GetCustomersAsync(null);
Customer customer = customers.First();
Assert.IsNotNull(
rep1.EntityManagerProvider.Manager.FindEntity(customer.EntityAspect.EntityKey),
"Customer should be in EM1's cache");
Assert.IsNotNull(
rep2.EntityManagerProvider.Manager.FindEntity(customer.EntityAspect.EntityKey),
"Customer should be in EM2's cache");
rep1.DeleteCustomer(customer);
Assert.IsNull(
rep1.EntityManagerProvider.Manager.FindEntity(customer.EntityAspect.EntityKey),
"Customer should have been removed from first cache");
Assert.IsNotNull(
rep2.EntityManagerProvider.Manager.FindEntity(customer.EntityAspect.EntityKey),
"Customer should still be in second EntityManager");
await rep1.SaveAsync();
Assert.IsNull(rep2.EntityManagerProvider.Manager.FindEntity(customer.EntityAspect.EntityKey),
"Customer should have been removed from second EntityManager");
}
public async Task ShouldRetrieveCustomersWithSelectorFromCache()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var customers = await unitOfWork.Entities.FindInDataSourceAsync(x => x.City == "SomeCity",
q => q.OrderBy(x => x.CompanyName));
Assert.IsTrue(customers.Any());
var names = unitOfWork.Entities.FindInCache(
q => q.Select(x => x.CompanyName), x => x.City == "SomeCity", q => q.OrderBy(x => x));
Assert.IsTrue(names.Count() == customers.Count());
Assert.IsTrue(
names.All((value, index) => customers.ElementAt(index).CompanyName == value));
}
public async Task ShouldRaiseSaveEvents()
{
var interceptor = new TestEntityManagerDelegate();
CompositionContext contextWithEntityManagerDelegate = CompositionContext.Fake
.WithGenerator(typeof(EntityManagerDelegate), () => interceptor)
.WithName("ShouldRaiseSaveEvents");
CompositionContextResolver.Add(contextWithEntityManagerDelegate);
IEntityManagerProvider <NorthwindIBEntities> emp =
EntityManagerProviderFactory.CreateTestEntityManagerProvider("ShouldRaiseSaveEvents");
int entityChangedRaised = 0;
emp.EntityChanged += (sender, args) => entityChangedRaised++;
Assert.IsTrue(interceptor.SavingRaised == 0);
Assert.IsTrue(interceptor.SavedRaised == 0);
Assert.IsTrue(interceptor.EntityChangingRaised == 0);
Assert.IsTrue(interceptor.EntityChangedRaised == 0);
var customer = emp.Manager.CreateEntity <Customer>();
emp.Manager.AddEntity(customer);
customer.CompanyName = "Foo";
await InitFakeBackingStoreAsync(emp.Manager.CompositionContext.Name);
await emp.Manager.SaveChangesAsync();
Assert.IsTrue(entityChangedRaised == 3);
Assert.IsTrue(interceptor.SavingRaised > 0);
Assert.IsTrue(interceptor.SavedRaised > 0);
Assert.IsTrue(interceptor.EntityChangingRaised > 0);
Assert.IsTrue(interceptor.EntityChangedRaised > 0);
Assert.IsTrue(interceptor.EntityChangingRaised < interceptor.EntityChangedRaised);
Assert.IsTrue(interceptor.SavingRaised < interceptor.SavedRaised);
Assert.IsTrue(interceptor.SavingRaised < interceptor.EntityChangingRaised);
Assert.IsTrue(interceptor.EntityChangedRaised < interceptor.SavedRaised);
}
public async Task ShouldRetrieveCustomersWithPredicateExpressionFromCache()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
Expression <Func <Customer, bool> > expression = c => c.City == "SomeCity";
var entities = unitOfWork.Entities.FindInCache(expression);
Assert.IsFalse(entities.Any());
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var result = await unitOfWork.Entities.FindInDataSourceAsync(expression);
Assert.IsTrue(result.Any());
Assert.IsTrue(result.All(c => c.City == "SomeCity"));
entities = unitOfWork.Entities.FindInCache(expression);
Assert.IsTrue(entities.Count() == result.Count());
Assert.IsTrue(entities.All(c => c.City == "SomeCity"));
}
public async Task ShouldRetrieveCustomersWithProjectionSelector()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var unitOfWork = new UnitOfWork <Customer>(provider);
var selector =
ProjectionSelector.Combine(new[]
{
new ProjectionSelector("CustomerID"),
new ProjectionSelector("CompanyName")
});
var pd = PredicateBuilder.Make("City", FilterOperator.IsEqualTo, "SomeCity");
var sortSelector = new SortSelector("CompanyName");
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var result = await unitOfWork.Entities.FindAsync(
q => q.Select(selector), pd.ToPredicate <Customer>(), q => q.OrderBySelector(sortSelector));
Assert.IsTrue(result.Cast <object>().Any());
}
public async Task ShouldPageProjection()
{
var provider = EntityManagerProviderFactory.CreateTestEntityManagerProvider();
var repository = new PagerRepository <Customer>(provider);
var sortSelector = new SortSelector("CompanyName");
await InitFakeBackingStoreAsync(CompositionContext.Fake.Name);
var pager = repository.Pager(
q => q.Select(x => new PageProjection()
{
CompanyName = x.CompanyName, City = x.City
}),
2, sortSelector, x => x.City == "SomeCity");
var page = await pager.FirstPageAsync();
Assert.IsTrue(page.PageWasFound);
Assert.IsTrue(page.Results.Count() == 2);
Assert.IsTrue(page.PageIndex == 0);
}