public void Deleting_object_when_relationships_have_not_been_all_enumerated_should_not_cause_collection_modified_exception_71937()
{
try
{
ProviderAgnosticConfiguration.SuspendExecutionStrategy = true;
using (var context = new GranniesContext())
{
using (context.Database.BeginTransaction())
{
var g = context.Grannys.Add(context.Grannys.Create());
var c = context.Children.Add(context.Children.Create());
c.Name = "Child";
var h = context.Houses.Add(context.Houses.Create());
g.Children.Add(c);
g.House = h;
context.SaveChanges();
context.Children.Remove(c); // This would previously throw
Assert.Equal(EntityState.Deleted, context.Entry(c).State);
Assert.Equal(EntityState.Unchanged, context.Entry(g).State);
Assert.Equal(EntityState.Unchanged, context.Entry(h).State);
Assert.Null(c.House);
Assert.Null(c.Granny);
Assert.Equal(0, g.Children.Count);
Assert.Same(h, g.House);
Assert.Equal(0, h.Children.Count);
Assert.Same(g, h.Granny);
context.SaveChanges();
Assert.Equal(EntityState.Detached, context.Entry(c).State);
Assert.Equal(EntityState.Unchanged, context.Entry(g).State);
Assert.Equal(EntityState.Unchanged, context.Entry(h).State);
Assert.Null(c.House);
Assert.Null(c.Granny);
Assert.Equal(0, g.Children.Count);
Assert.Same(h, g.House);
Assert.Equal(0, h.Children.Count);
Assert.Same(g, h.Granny);
}
}
}
finally
{
ProviderAgnosticConfiguration.SuspendExecutionStrategy = false;
}
}
public void SetChangeTracker_can_be_called_by_casting_proxy_entity_to_IEntityWithChangeTracker()
{
using (var context = new GranniesContext())
{
var granny = context.Grannys.Create();
context.Grannys.Attach(granny);
((IEntityWithChangeTracker)granny).SetChangeTracker(null);
}
}
public void RelationshipManager_can_be_accessed_by_casting_proxy_entity_to_IEntityWithRelationships()
{
using (var context = new GranniesContext())
{
var granny = context.Grannys.Create();
context.Grannys.Attach(granny);
var relationshipManager = ((IEntityWithRelationships)granny).RelationshipManager;
Assert.NotNull(relationshipManager);
}
}
public ChangeTrackingProxyTests()
{
using (var context = new GranniesContext())
{
context.Database.Initialize(force: false);
}
using (var context = new HaveToDoContext())
{
context.Database.Initialize(force: false);
}
}
public ChangeTrackingProxyTests()
{
using (var context = new GranniesContext())
{
context.Database.Initialize(force: false);
}
using (var context = new HaveToDoContext())
{
_isSqlAzure = DatabaseTestHelpers.IsSqlAzure(context.Database.Connection.ConnectionString);
if (!_isSqlAzure)
{
context.Database.Initialize(force: false);
}
}
}
public void Deleting_object_when_relationships_have_not_been_all_enumerated_should_not_cause_collection_modified_exception_71937()
{
using (var context = new GranniesContext())
{
var g = context.Grannys.Add(context.Grannys.Create());
var c = context.Children.Add(context.Children.Create());
c.Name = "Child";
var h = context.Houses.Add(context.Houses.Create());
g.Children.Add(c);
g.House = h;
context.SaveChanges();
context.Children.Remove(c); // This would previously throw
Assert.Equal(EntityState.Deleted, context.Entry(c).State);
Assert.Equal(EntityState.Unchanged, context.Entry(g).State);
Assert.Equal(EntityState.Unchanged, context.Entry(h).State);
Assert.Null(c.House);
Assert.Null(c.Granny);
Assert.Equal(0, g.Children.Count);
Assert.Same(h, g.House);
Assert.Equal(0, h.Children.Count);
Assert.Same(g, h.Granny);
context.SaveChanges();
Assert.Equal(EntityState.Detached, context.Entry(c).State);
Assert.Equal(EntityState.Unchanged, context.Entry(g).State);
Assert.Equal(EntityState.Unchanged, context.Entry(h).State);
Assert.Null(c.House);
Assert.Null(c.Granny);
Assert.Equal(0, g.Children.Count);
Assert.Same(h, g.House);
Assert.Equal(0, h.Children.Count);
Assert.Same(g, h.Granny);
}
}
[Fact] // CodePlex #2435
public void IsPropertyChanged_returns_modified_status_for_change_tracking_entities()
{
using (var context = new GranniesContext())
{
var objectContext = ((IObjectContextAdapter)context).ObjectContext;
var objectSet = objectContext.CreateObjectSet <Child>();
var entity = objectSet.CreateObject();
objectSet.Attach(entity);
var entry = objectContext.ObjectStateManager.GetObjectStateEntry(entity);
Assert.False(entry.IsPropertyChanged("Name"));
entity.Name = "Nolan Sorrento";
Assert.True(entry.IsPropertyChanged("Name"));
}
}
public void SetChangeTracker_can_be_called_by_casting_proxy_entity_to_IEntityWithChangeTracker()
{
try
{
ProviderAgnosticConfiguration.SuspendExecutionStrategy = true;
using (var context = new GranniesContext())
{
using (context.Database.BeginTransaction())
{
var granny = context.Grannys.Create();
context.Grannys.Attach(granny);
((IEntityWithChangeTracker)granny).SetChangeTracker(null);
}
}
}
finally
{
ProviderAgnosticConfiguration.SuspendExecutionStrategy = false;
}
}
public void RelationshipManager_can_be_accessed_by_casting_proxy_entity_to_IEntityWithRelationships()
{
try
{
ProviderAgnosticConfiguration.SuspendExecutionStrategy = true;
using (var context = new GranniesContext())
{
using (context.Database.BeginTransaction())
{
var granny = context.Grannys.Create();
context.Grannys.Attach(granny);
var relationshipManager = ((IEntityWithRelationships)granny).RelationshipManager;
Assert.NotNull(relationshipManager);
}
}
}
finally
{
ProviderAgnosticConfiguration.SuspendExecutionStrategy = false;
}
}