public async Task SetWithAutoIncludedNavigationProperties()
{
var mEntity = await DatabaseInitializeHelper.CreateMEntityWithSomeNEntites();
var nEntity = await DatabaseInitializeHelper.CreateNEntityWithSomeOtherEntities();
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
dataAccessor.ModifyRelatedEntities(mEntity, mE => mE.NEntities, EntityState.Added, nEntity);
Assert.IsTrue(dataAccessor.HasPendingChanges, "HasPendingChanges should be true after Modifying the Model!");
await dataAccessor.SaveChangesAsync();
Assert.IsFalse(dataAccessor.HasPendingChanges, "HasPendingChanges should be false directly after Saving!");
}
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
var reloadedMEntity = await dataAccessor.Set<MEntity>(mE => mE.NEntities, mE => mE.NEntities.Select(nE => nE.OtherEntities))
.SingleAsync(mE => mE.Id.Equals(mEntity.Id));
Assert.IsTrue(reloadedMEntity.NEntities.Any(nE => nE.OtherEntities.Count > 0));
}
}
public async Task UseNestedDataAccessors()
{
var mEntity = await DatabaseInitializeHelper.CreateSimpleMEntity();
var nEntity = new NEntity
{
Name = "UseNestedDataAccessors - new NEntity",
ObjectState = EObjectState.Added
};
var otherEntity = new OtherEntity
{
Name = "UseNestedDataAccessors - new OtherEntity",
ObjectState = EObjectState.Added,
NEntity = nEntity,
NEntityId = nEntity.Id
};
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
dataAccessor.InsertOrUpdate(nEntity);
dataAccessor.ModifyRelatedEntities(mEntity, mE => mE.NEntities, EntityState.Added, nEntity);
Assert.IsTrue(dataAccessor.HasPendingChanges, "HasPendingChanges should be true!");
using (IDataAccessor secondDataAccessor = new DataAccessor((DataAccessorBase)dataAccessor))
{
secondDataAccessor.InsertOrUpdate(otherEntity);
Assert.IsTrue(dataAccessor.HasPendingChanges, "HasPendingChanges should be true!");
await secondDataAccessor.SaveChangesAsync();
Assert.IsFalse(secondDataAccessor.HasPendingChanges, "HasPendingChanges should be false directly after Saving!");
}
}
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
var reloadedMEntity =
await
dataAccessor.GetSingleAsync<MEntity>(mE => mE.Id.Equals(mEntity.Id), mE => mE.NEntities,
mE => mE.NEntities.Select(nE => nE.OtherEntities));
Assert.IsTrue(reloadedMEntity.NEntities.Any(nE => nE.Id.Equals(nEntity.Id)));
Assert.AreEqual(1, reloadedMEntity.NEntities.Count);
Assert.IsTrue(reloadedMEntity.NEntities.First().OtherEntities.Any(oE => oE.Id.Equals(otherEntity.Id)));
}
}
public async Task MultipleRelationModificationsBeforeSave()
{
const string newNEntityName = "MultipleRelationModificationsBeforeSave - newNEntity";
var mEntity = await DatabaseInitializeHelper.CreateMEntityWithSomeNEntites();
var existingNEntity = await DatabaseInitializeHelper.CreateNEntityWithSomeOtherEntities();
var newNEntity = new NEntity
{
Name = newNEntityName,
ObjectState = EObjectState.Added
};
//Add both Entities to the ObjectList in the Domainmodel
mEntity.NEntities.Add(newNEntity);
mEntity.ObjectState = EObjectState.Modified;
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
dataAccessor.InsertOrUpdate(mEntity);
dataAccessor.ModifyRelatedEntities(mEntity, mE => mE.NEntities, EntityState.Added, existingNEntity);
dataAccessor.ModifyRelatedEntities(mEntity, mE => mE.NEntities, EntityState.Deleted, existingNEntity);
Assert.IsTrue(dataAccessor.HasPendingChanges, "HasPendingChanges should be true!");
await dataAccessor.SaveChangesAsync();
Assert.IsFalse(dataAccessor.HasPendingChanges, "HasPendingChanges should be false directly after Saving!");
}
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
var reloadedMEntity = await dataAccessor.GetSingleAsync<MEntity>(mE => mE.Id.Equals(mEntity.Id), mE => mE.NEntities);
var reloadedNEntity = await dataAccessor.GetSingleAsync<NEntity>(nE => nE.Id.Equals(existingNEntity.Id), nE => nE.MEntities);
Assert.AreEqual(3, reloadedMEntity.NEntities.Count);
Assert.AreEqual(0, reloadedNEntity.MEntities.Count);
}
}
public async Task UpdateMEntityRemoveMultiUsedNEntity()
{
var firstMEntity = await DatabaseInitializeHelper.CreateMEntityWithSomeNEntites();
var secondMEntity = await DatabaseInitializeHelper.CreateSimpleMEntity();
var doubleUsedNEntity = firstMEntity.NEntities.First();
//NEntity einem zweiten MEntity-Objekt hinzufügen
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
dataAccessor.ModifyRelatedEntities(secondMEntity, mE => mE.NEntities, EntityState.Added, doubleUsedNEntity);
Assert.IsTrue(dataAccessor.HasPendingChanges, "HasPendingChanges should be true!");
await dataAccessor.SaveChangesAsync();
Assert.IsFalse(dataAccessor.HasPendingChanges, "HasPendingChanges should be false directly after Saving!");
}
//Sicherstellen, dass dies funktioniert hat
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
var reloadedSecondMEntity = await dataAccessor.GetSingleAsync<MEntity>(mE => mE.Id.Equals(secondMEntity.Id), mE => mE.NEntities);
Assert.IsTrue(reloadedSecondMEntity.NEntities.Any(nE => nE.Id.Equals(doubleUsedNEntity.Id)));
}
//Entfernen des nun mehrfach verwendeten NEntity-Objekts vom ersten MEntity-Objekt
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
dataAccessor.ModifyRelatedEntities(firstMEntity, mE => mE.NEntities, EntityState.Deleted, doubleUsedNEntity);
Assert.IsTrue(dataAccessor.HasPendingChanges, "HasPendingChanges should be true!");
await dataAccessor.SaveChangesAsync();
Assert.IsFalse(dataAccessor.HasPendingChanges, "HasPendingChanges should be false directly after Saving!");
}
//Testerfolg prüfen
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
var reloadedFirstEntity = await dataAccessor.GetSingleAsync<MEntity>(mE => mE.Id.Equals(firstMEntity.Id), mE => mE.NEntities);
Assert.IsFalse(reloadedFirstEntity.NEntities.Any(nE => nE.Id.Equals(doubleUsedNEntity.Id)));
var reloadedSecondMEntity = await dataAccessor.GetSingleAsync<MEntity>(mE => mE.Id.Equals(secondMEntity.Id), mE => mE.NEntities);
Assert.IsTrue(reloadedSecondMEntity.NEntities.Any(nE => nE.Id.Equals(doubleUsedNEntity.Id)));
}
}
public async Task UpdateMEntityAddExistingNEntity()
{
var mEntity = await DatabaseInitializeHelper.CreateSimpleMEntity();
var nEntity = await DatabaseInitializeHelper.CreateSimpleNEntity();
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
dataAccessor.ModifyRelatedEntities(mEntity, mE => mE.NEntities, EntityState.Added, nEntity);
Assert.IsTrue(dataAccessor.HasPendingChanges, "HasPendingChanges should be true!");
await dataAccessor.SaveChangesAsync();
Assert.IsFalse(dataAccessor.HasPendingChanges, "HasPendingChanges should be false directly after Saving!");
}
using (IDataAccessor dataAccessor = new DataAccessor(_dbContextFactory))
{
var loadedMEntity = await dataAccessor.GetSingleAsync<MEntity>(mE => mE.Id.Equals(mEntity.Id), mE => mE.NEntities);
Assert.AreEqual(nEntity.Id,loadedMEntity.NEntities.First().Id);
}
}
