public void CloneIntoPreservesEntityStateNewTest()
{
EntityGraphTestsDomainContext ctx = new EntityGraphTestsDomainContext();
EntityGraphTestsDomainContext ctxNew = new EntityGraphTestsDomainContext();
ctx.As.Add(a);
var gr = new EntityGraph(a, new FullEntityGraphShape());
var clone = gr.Clone(ctxNew);
Assert.IsTrue(a.EntityState == EntityState.New);
Assert.IsTrue(clone.Source.EntityState == EntityState.New);
}
public void SynchronizePreservesEntityStateUnmodifiedTest()
{
EntityGraphTestsDomainContext ctx = new EntityGraphTestsDomainContext();
EntityGraphTestsDomainContext ctxNew = new EntityGraphTestsDomainContext();
ctx.As.Attach(a);
var gr = new EntityGraph(a, new FullEntityGraphShape());
var clone = gr.Clone();
ctxNew.As.Attach(clone.Source);
clone.Synchronize(gr);
Assert.IsTrue(a.EntityState == EntityState.Unmodified);
Assert.IsTrue(clone.Source.EntityState == EntityState.Unmodified);
}
public void CloneIntoPreservesEntityStateModifiedTest()
{
EntityGraphTestsDomainContext ctx = new EntityGraphTestsDomainContext();
EntityGraphTestsDomainContext ctxNew = new EntityGraphTestsDomainContext();
ctx.As.Attach(a);
a.name = "Hello World";
var gr = new EntityGraph(a, new FullEntityGraphShape());
var clone = gr.Clone(ctxNew);
Assert.IsTrue(a.EntityState == EntityState.Modified);
Assert.IsTrue(clone.Source.EntityState == EntityState.Modified);
}
public void PartialSaveTest()
{
EntityGraphTestsDomainContext context = new EntityGraphTestsDomainContext();
var a = new A {
Id = 1
};
var b = new B {
Id = 1
};
context.As.Attach(a);
context.Bs.Attach(b);
context.Bs.Attach(new B {
Id = 2, AId = 1
});
context.Bs.Attach(new B {
Id = 3, AId = 1
});
a.name = "Modified Task 1";
EntityGraphTestsDomainContext tempContext = new EntityGraphTestsDomainContext();
var shape = new FullEntityGraphShape();
var graph = new EntityGraph(a, shape);
Assert.IsTrue(context.HasChanges);
Assert.IsTrue(graph.HasChanges);
Assert.IsTrue(graph.IsChanged);
var clone = graph.Clone(tempContext);
Assert.IsTrue(tempContext.HasChanges);
Assert.IsTrue(clone.HasChanges);
Assert.IsTrue(clone.IsChanged);
clone.AcceptChanges();
graph.Synchronize(clone);
Assert.IsFalse(context.HasChanges);
Assert.IsFalse(graph.HasChanges);
Assert.IsFalse(graph.IsChanged);
Assert.IsFalse(tempContext.HasChanges);
Assert.IsFalse(clone.HasChanges);
Assert.IsFalse(clone.IsChanged);
}
public void SynchronizeResetsEntityModifiedState()
{
EntityGraphTestsDomainContext ctx = new EntityGraphTestsDomainContext();
EntityGraphTestsDomainContext ctxNew = new EntityGraphTestsDomainContext();
ctx.As.Attach(a);
a.name = "Some name";
var gr = new EntityGraph(a, new FullEntityGraphShape());
var clone = gr.Clone();
ctxNew.As.Attach(clone.Source);
Assert.IsTrue(a.EntityState == EntityState.Modified);
gr.Synchronize(clone);
Assert.IsTrue(a.EntityState == EntityState.Unmodified);
}
public void SynchronizeWithMergeIntoCurrentTest()
{
EntityGraphTestsDomainContext ctx = new EntityGraphTestsDomainContext();
EntityGraphTestsDomainContext ctxNew = new EntityGraphTestsDomainContext();
ctx.As.Attach(a);
var gr = new EntityGraph(a, new FullEntityGraphShape());
var clone = gr.Clone();
ctxNew.As.Attach(clone.Source);
((A)clone.Source).name = "Some name";
a.lastName = "Some last name";
Assert.IsTrue(a.EntityState == EntityState.Modified);
gr.Synchronize(clone, LoadBehavior.MergeIntoCurrent);
Assert.IsTrue(a.name == "Some name");
Assert.IsTrue(a.lastName == "Some last name");
}
public void CloneIntoPreservesAllEntityStates()
{
EntityGraphTestsDomainContext ctx = new EntityGraphTestsDomainContext();
EntityGraphTestsDomainContext ctxNew = new EntityGraphTestsDomainContext();
ctx.As.Add(a);
var gr = new EntityGraph(a, new FullEntityGraphShape());
var clone = gr.Clone(ctxNew);
var result =
from source in gr
from cloned in clone
where source.GetType() == cloned.GetType()
where source.EntityState == cloned.EntityState
select cloned;
Assert.IsTrue(result.Count() == gr.Count());
}