public void Can_get_owned_entity_entry()
{
using (var context = new FixupContext())
{
var principal = new ParentPN {
Id = 77
};
var dependent = new ChildPN {
Name = "1"
};
principal.Child1 = dependent;
principal.Child2 = dependent;
Assert.Equal(
CoreStrings.UntrackedDependentEntity(
typeof(ChildPN).ShortDisplayName(),
"." + nameof(EntityEntry.Reference) + "()." + nameof(ReferenceEntry.TargetEntry)),
Assert.Throws <InvalidOperationException>(() => context.Entry(dependent)).Message);
var dependentEntry1 = context.Entry(principal).Reference(p => p.Child1).TargetEntry;
Assert.Same(dependentEntry1.GetInfrastructure(), context.Entry(dependent).GetInfrastructure());
var dependentEntry2 = context.Entry(principal).Reference(p => p.Child2).TargetEntry;
Assert.NotNull(dependentEntry2);
Assert.Equal(
CoreStrings.AmbiguousDependentEntity(
typeof(ChildPN).ShortDisplayName(),
"." + nameof(EntityEntry.Reference) + "()." + nameof(ReferenceEntry.TargetEntry)),
Assert.Throws <InvalidOperationException>(() => context.Entry(dependent)).Message);
}
}
public async Task Principal_nav_set_unidirectional_AddAsync()
{
using (var context = new FixupContext())
{
var principal = new ParentPN {
Id = 77
};
var dependent = new ChildPN {
Name = "1"
};
principal.Child1 = dependent;
await context.AddAsync(principal);
var entityState = EntityState.Added;
Assert.Equal(2, context.ChangeTracker.Entries().Count());
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, context.Entry(dependent).Property("ParentId").CurrentValue);
Assert.Same(dependent, principal.Child1);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
});
}
}
public void Adding_duplicate_owned_entity_throws_by_default()
{
using (var context = new FixupContext(false))
{
var principal = new ParentPN {
Id = 77
};
var dependent = new ChildPN {
Name = "1"
};
principal.Child1 = dependent;
principal.Child2 = dependent;
var dependentEntry1 = context.Entry(principal).Reference(p => p.Child1).TargetEntry;
Assert.Same(dependentEntry1.GetInfrastructure(), context.Entry(dependent).GetInfrastructure());
Assert.Equal(
CoreStrings.WarningAsErrorTemplate(
CoreEventId.DuplicateDependentEntityTypeInstanceWarning.ToString(),
CoreStrings.LogDuplicateDependentEntityTypeInstance.GenerateMessage(
typeof(ParentPN).ShortDisplayName() + "." + nameof(ParentPN.Child2) + "#" + typeof(ChildPN).ShortDisplayName(),
typeof(ParentPN).ShortDisplayName() + "." + nameof(ParentPN.Child1) + "#" + typeof(ChildPN).ShortDisplayName()),
"CoreEventId.DuplicateDependentEntityTypeInstanceWarning"),
Assert.Throws <InvalidOperationException>(() => context.Entry(principal).Reference(p => p.Child2).TargetEntry).Message);
}
}
public void Identity_changed_bidirectional(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new Parent {
Id = 77
};
var dependent = new Child {
Name = "1", Parent = principal
};
principal.Child2 = dependent;
context.ChangeTracker.TrackGraph(principal, e => e.Entry.State = entityState);
var dependentEntry1 = context.Entry(principal).Reference(p => p.Child2).TargetEntry;
principal.Child1 = dependent;
principal.Child2 = null;
context.ChangeTracker.DetectChanges();
Assert.Equal(entityState == EntityState.Added ? 2 : 3, context.ChangeTracker.Entries().Count());
Assert.Null(principal.Child2);
Assert.Same(principal, dependent.Parent);
Assert.Same(dependent, principal.Child1);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState == EntityState.Added ? EntityState.Detached : EntityState.Deleted, dependentEntry1.State);
var dependentEntry = context.Entry(principal).Reference(p => p.Child1).TargetEntry;
Assert.Equal(principal.Id, dependentEntry.Property("ParentId").CurrentValue);
Assert.Equal(EntityState.Added, dependentEntry.State);
Assert.Equal(nameof(Parent.Child1), dependentEntry.Metadata.DefiningNavigationName);
}
}
public void Parent_and_identity_swapped_bidirectional(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal1 = new Parent {
Id = 77
};
var principal2 = new Parent {
Id = 78
};
var dependent1 = new Child {
Name = "1", Parent = principal1
};
principal1.Child2 = dependent1;
var dependent2 = new Child {
Name = "2"
};
principal2.Child1 = dependent2;
context.ChangeTracker.TrackGraph(principal1, e => e.Entry.State = entityState);
context.ChangeTracker.TrackGraph(principal2, e => e.Entry.State = entityState);
principal2.Child1 = dependent1;
principal1.Child2 = dependent2;
context.ChangeTracker.DetectChanges();
Assert.Equal(4, context.ChangeTracker.Entries().Count());
Assert.Null(principal1.Child1);
Assert.Same(dependent2, principal1.Child2);
Assert.Same(dependent1, principal2.Child1);
Assert.Null(principal2.Child2);
Assert.Same(principal2, dependent1.Parent);
Assert.Same(principal1, dependent2.Parent);
Assert.Equal(entityState, context.Entry(principal1).State);
Assert.Equal(entityState, context.Entry(principal2).State);
var dependent1Entry = context.Entry(principal1).Reference(p => p.Child2).TargetEntry;
Assert.Equal(EntityState.Added, dependent1Entry.State);
Assert.Equal(principal1.Id, dependent1Entry.Property("ParentId").CurrentValue);
Assert.Equal(nameof(Parent.Child2), dependent1Entry.Metadata.DefiningNavigationName);
Assert.Equal(entityState == EntityState.Added ? null : (EntityState?)EntityState.Deleted,
dependent1Entry.GetInfrastructure().SharedIdentityEntry?.EntityState);
var dependent2Entry = context.Entry(principal2).Reference(p => p.Child1).TargetEntry;
Assert.Equal(principal2.Id, dependent2Entry.Property("ParentId").CurrentValue);
Assert.Equal(EntityState.Added, dependent2Entry.State);
Assert.Equal(nameof(Parent.Child1), dependent2Entry.Metadata.DefiningNavigationName);
Assert.Equal(entityState == EntityState.Added ? null : (EntityState?)EntityState.Deleted,
dependent1Entry.GetInfrastructure().SharedIdentityEntry?.EntityState);
dependent1Entry.GetInfrastructure().AcceptChanges();
dependent2Entry.GetInfrastructure().AcceptChanges();
Assert.Null(dependent1Entry.GetInfrastructure().SharedIdentityEntry);
Assert.Null(dependent2Entry.GetInfrastructure().SharedIdentityEntry);
}
}
private void Principal_nav_set_bidirectional_impl(EntityState entityState, bool?graph)
{
using (var context = new FixupContext())
{
var principal = new Parent {
Id = 77
};
if (graph == null)
{
context.Entry(principal).State = entityState;
}
var dependent = new Child {
Name = "1"
};
principal.Child1 = dependent;
if (graph == null)
{
context.ChangeTracker.DetectChanges();
}
else if (graph == true)
{
context.ChangeTracker.TrackGraph(principal, e => e.Entry.State = entityState);
}
else
{
switch (entityState)
{
case EntityState.Added:
context.Add(principal);
break;
case EntityState.Unchanged:
context.Attach(principal);
break;
case EntityState.Modified:
context.Update(principal);
break;
}
}
Assert.Equal(2, context.ChangeTracker.Entries().Count());
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, context.Entry(dependent).Property("ParentId").CurrentValue);
Assert.Same(dependent, principal.Child1);
Assert.Same(principal, dependent.Parent);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(graph == null ? EntityState.Added : entityState, context.Entry(dependent).State);
});
}
}
public void Parent_swapped_bidirectional(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal1 = new Parent {
Id = 77
};
var principal2 = new Parent {
Id = 78
};
var dependent1 = new Child {
Name = "1"
};
principal1.Child1 = dependent1;
var dependent2 = new Child {
Name = "2"
};
principal2.Child1 = dependent2;
context.ChangeTracker.TrackGraph(principal1, e => e.Entry.State = entityState);
context.ChangeTracker.TrackGraph(principal2, e => e.Entry.State = entityState);
principal1.Child1 = dependent2;
principal2.Child1 = dependent1;
if (entityState != EntityState.Added)
{
Assert.Equal(
CoreStrings.KeyReadOnly("ParentId",
context.Entry(principal1).Reference(p => p.Child1).Metadata.GetTargetType().DisplayName()),
Assert.Throws <InvalidOperationException>(() => context.ChangeTracker.DetectChanges()).Message);
}
else
{
context.ChangeTracker.DetectChanges();
Assert.Equal(4, context.ChangeTracker.Entries().Count());
Assert.Same(dependent2, principal1.Child1);
Assert.Null(principal1.Child2);
Assert.Same(dependent1, principal2.Child1);
Assert.Null(principal2.Child2);
Assert.Same(principal2, dependent1.Parent);
Assert.Same(principal1, dependent2.Parent);
Assert.Equal(entityState, context.Entry(principal1).State);
Assert.Equal(entityState, context.Entry(principal2).State);
var dependent1Entry = context.Entry(principal1).Reference(p => p.Child1).TargetEntry;
Assert.Equal(entityState == EntityState.Added ? EntityState.Added : EntityState.Modified, dependent1Entry.State);
Assert.Equal(principal1.Id, dependent1Entry.Property("ParentId").CurrentValue);
Assert.Equal(nameof(Parent.Child1), dependent1Entry.Metadata.DefiningNavigationName);
var dependent2Entry = context.Entry(principal2).Reference(p => p.Child1).TargetEntry;
Assert.Equal(principal2.Id, dependent2Entry.Property("ParentId").CurrentValue);
Assert.Equal(entityState == EntityState.Added ? EntityState.Added : EntityState.Modified, dependent2Entry.State);
Assert.Equal(nameof(Parent.Child1), dependent2Entry.Metadata.DefiningNavigationName);
}
}
}
private void Add_principal_and_dependent_one_to_many(
EntityState entityState,
bool principalFirst,
bool setFk,
bool setToPrincipal,
bool setToDependent)
{
using var context = new FixupContext();
var principal = new Category(77);
var dependent = new Product(78);
var principalEntry = context.Entry(principal);
var dependentEntry = context.Entry(dependent);
if (setFk)
{
dependentEntry.Property("CategoryId").CurrentValue = principal.Id;
}
if (setToPrincipal)
{
dependentEntry.Navigation("Category").CurrentValue = principal;
}
if (setToDependent)
{
var collection = new HashSet <object> {
dependent
};
principalEntry.Collection("Products").CurrentValue = collection;
}
if (principalFirst)
{
principalEntry.State = entityState;
}
dependentEntry.State = entityState;
if (!principalFirst)
{
principalEntry.State = entityState;
}
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, dependentEntry.Property("CategoryId").CurrentValue);
Assert.Same(principal, dependentEntry.Navigation("Category").CurrentValue);
Assert.Equal(new[] { dependent }, principalEntry.Collection("Products").CurrentValue);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
});
}
private void Add_principal_and_dependent_one_to_one(
EntityState entityState,
bool principalFirst,
bool setFk,
bool setToPrincipal,
bool setToDependent)
{
using var context = new FixupContext();
var principal = new Parent(77);
var dependent = new Child(78);
var principalEntry = context.Entry(principal);
var dependentEntry = context.Entry(dependent);
if (setFk)
{
dependentEntry.Property("ParentId").CurrentValue = principal.Id;
}
if (setToPrincipal)
{
dependentEntry.Navigation("Parent").CurrentValue = principal;
}
if (setToDependent)
{
principalEntry.Navigation("Child").CurrentValue = dependent;
}
if (principalFirst)
{
principalEntry.State = entityState;
}
dependentEntry.State = entityState;
if (!principalFirst)
{
principalEntry.State = entityState;
}
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, dependentEntry.Property("ParentId").CurrentValue);
Assert.Same(principal, dependentEntry.Navigation("Parent").CurrentValue);
Assert.Same(dependent, principalEntry.Navigation("Child").CurrentValue);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
});
}
public void Parent_changed_unidirectional(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal1 = new ParentPN {
Id = 77
};
var principal2 = new ParentPN {
Id = 78
};
var dependent = new ChildPN {
Name = "1"
};
principal1.Child1 = dependent;
context.ChangeTracker.TrackGraph(principal1, e => e.Entry.State = entityState);
context.ChangeTracker.TrackGraph(principal2, e => e.Entry.State = entityState);
var dependentEntry1 = context.Entry(principal1).Reference(p => p.Child1).TargetEntry;
principal2.Child1 = dependent;
principal1.Child1 = null;
if (entityState != EntityState.Added)
{
Assert.Equal(
CoreStrings.KeyReadOnly("ParentId", dependentEntry1.Metadata.DisplayName()),
Assert.Throws <InvalidOperationException>(() => context.ChangeTracker.DetectChanges()).Message);
}
else
{
context.ChangeTracker.DetectChanges();
Assert.Equal(3, context.ChangeTracker.Entries().Count());
Assert.Null(principal1.Child1);
Assert.Null(principal1.Child2);
Assert.Same(dependent, principal2.Child1);
Assert.Null(principal2.Child2);
Assert.Equal(entityState, context.Entry(principal1).State);
Assert.Equal(entityState, context.Entry(principal2).State);
Assert.Equal(EntityState.Detached, dependentEntry1.State);
var dependentEntry2 = context.Entry(principal2).Reference(p => p.Child1).TargetEntry;
Assert.Equal(principal2.Id, dependentEntry2.Property("ParentId").CurrentValue);
Assert.Equal(EntityState.Added, dependentEntry2.State);
Assert.Equal(nameof(Parent.Child1), dependentEntry2.Metadata.DefiningNavigationName);
}
}
}
public void Add_dependent_then_principal_one_to_many_FK_set_no_navs_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new Category { Id = 77 };
var dependent = new Product { Id = 78, CategoryId = principal.Id };
context.Entry(dependent).State = entityState;
context.Entry(principal).State = entityState;
Assert.Equal(principal.Id, dependent.CategoryId);
Assert.Same(principal, dependent.Category);
Assert.Equal(new[] { dependent }.ToList(), principal.Products);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
}
}
public void Identity_swapped_bidirectional(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new Parent {
Id = 77
};
var dependent1 = new Child {
Name = "1", Parent = principal
};
principal.Child1 = dependent1;
var dependent2 = new Child {
Name = "2", Parent = principal
};
principal.Child2 = dependent2;
context.ChangeTracker.TrackGraph(principal, e => e.Entry.State = entityState);
var dependent1Entry = context.Entry(principal).Reference(p => p.Child1).TargetEntry;
var dependent2Entry = context.Entry(principal).Reference(p => p.Child2).TargetEntry;
principal.Child2 = dependent1;
principal.Child1 = dependent2;
context.ChangeTracker.DetectChanges();
Assert.Equal(3, context.ChangeTracker.Entries().Count());
Assert.Same(principal, dependent1.Parent);
Assert.Same(dependent1, principal.Child2);
Assert.Same(principal, dependent2.Parent);
Assert.Same(dependent2, principal.Child1);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Same(
dependent1Entry.GetInfrastructure(),
context.Entry(principal).Reference(p => p.Child1).TargetEntry.GetInfrastructure());
Assert.Equal(principal.Id, dependent1Entry.Property("ParentId").CurrentValue);
Assert.Equal(EntityState.Modified, dependent1Entry.State);
Assert.Equal(nameof(Parent.Child1), dependent1Entry.Metadata.DefiningNavigationName);
Assert.Same(
dependent2Entry.GetInfrastructure(),
context.Entry(principal).Reference(p => p.Child2).TargetEntry.GetInfrastructure());
Assert.Equal(principal.Id, dependent2Entry.Property("ParentId").CurrentValue);
Assert.Equal(EntityState.Modified, dependent2Entry.State);
Assert.Equal(nameof(Parent.Child2), dependent2Entry.Metadata.DefiningNavigationName);
}
}
public void Add_dependent_then_principal_one_to_many_FK_set_both_navs_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new Category { Id = 77 };
var dependent = new Product { Id = 78, Category = principal };
principal.Products.Add(dependent);
context.Entry(dependent).Property("CategoryId").CurrentValue = principal.Id;
context.Entry(dependent).State = entityState;
context.Entry(principal).State = entityState;
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, context.Entry(dependent).Property("CategoryId").CurrentValue);
Assert.Same(principal, dependent.Category);
Assert.Equal(new[] { dependent }.ToList(), principal.Products);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
});
}
}
public void Parent_and_identity_changed_unidirectional(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal1 = new ParentPN {
Id = 77
};
var principal2 = new ParentPN {
Id = 78
};
var dependent = new ChildPN {
Name = "1"
};
principal1.Child2 = dependent;
context.ChangeTracker.TrackGraph(principal1, e => e.Entry.State = entityState);
context.ChangeTracker.TrackGraph(principal2, e => e.Entry.State = entityState);
var dependentEntry1 = context.Entry(principal1).Reference(p => p.Child2).TargetEntry;
principal2.Child1 = dependent;
principal1.Child2 = null;
context.ChangeTracker.DetectChanges();
Assert.Equal(entityState == EntityState.Added ? 3 : 4, context.ChangeTracker.Entries().Count());
Assert.Null(principal1.Child1);
Assert.Null(principal1.Child2);
Assert.Same(dependent, principal2.Child1);
Assert.Null(principal2.Child2);
Assert.Equal(entityState, context.Entry(principal1).State);
Assert.Equal(entityState, context.Entry(principal2).State);
Assert.Equal(entityState == EntityState.Added ? EntityState.Detached : EntityState.Deleted, dependentEntry1.State);
var dependentEntry2 = context.Entry(principal2).Reference(p => p.Child1).TargetEntry;
Assert.Equal(principal2.Id, dependentEntry2.Property("ParentId").CurrentValue);
Assert.Equal(EntityState.Added, dependentEntry2.State);
Assert.Equal(nameof(Parent.Child1), dependentEntry2.Metadata.DefiningNavigationName);
}
}
public void Parent_swapped_unidirectional(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal1 = new ParentPN {
Id = 77
};
var principal2 = new ParentPN {
Id = 78
};
var dependent1 = new ChildPN {
Name = "1"
};
principal1.Child1 = dependent1;
var dependent2 = new ChildPN {
Name = "2"
};
principal2.Child1 = dependent2;
context.ChangeTracker.TrackGraph(principal1, e => e.Entry.State = entityState);
context.ChangeTracker.TrackGraph(principal2, e => e.Entry.State = entityState);
var dependent1Entry = context.Entry(principal1).Reference(p => p.Child1).TargetEntry;
var dependent2Entry = context.Entry(principal2).Reference(p => p.Child1).TargetEntry;
principal1.Child1 = dependent2;
principal2.Child1 = dependent1;
context.ChangeTracker.DetectChanges();
Assert.Equal(4, context.ChangeTracker.Entries().Count());
Assert.Same(dependent2, principal1.Child1);
Assert.Null(principal1.Child2);
Assert.Same(dependent1, principal2.Child1);
Assert.Null(principal2.Child2);
Assert.Equal(entityState, context.Entry(principal1).State);
Assert.Equal(entityState, context.Entry(principal2).State);
Assert.Equal(EntityState.Detached, dependent1Entry.State);
Assert.Equal(EntityState.Detached, dependent2Entry.State);
Assert.Same(
dependent1Entry.GetInfrastructure(),
context.Entry(principal2).Reference(p => p.Child1).TargetEntry.GetInfrastructure());
Assert.Equal(principal2.Id, dependent1Entry.Property("ParentId").CurrentValue);
Assert.Equal(EntityState.Modified, dependent1Entry.State);
Assert.Equal(nameof(Parent.Child1), dependent1Entry.Metadata.DefiningNavigationName);
Assert.Same(
dependent2Entry.GetInfrastructure(),
context.Entry(principal1).Reference(p => p.Child1).TargetEntry.GetInfrastructure());
Assert.Equal(principal1.Id, dependent2Entry.Property("ParentId").CurrentValue);
Assert.Equal(EntityState.Modified, dependent2Entry.State);
Assert.Equal(nameof(Parent.Child1), dependent2Entry.Metadata.DefiningNavigationName);
}
}
public void Add_dependent_but_not_principal_one_to_many_no_navs_FK_set_no_navs_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new CategoryNN { Id = 77 };
var dependent = new ProductNN { Id = 78 };
context.Entry(dependent).State = entityState;
dependent.CategoryId = principal.Id;
context.ChangeTracker.DetectChanges();
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, dependent.CategoryId);
Assert.Equal(EntityState.Detached, context.Entry(principal).State);
Assert.Equal(entityState == EntityState.Added ? EntityState.Added : EntityState.Modified, context.Entry(dependent).State);
});
}
}
public void Add_principal_then_dependent_one_to_many_no_navs_FK_set_no_navs_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new CategoryNN { Id = 77 };
var dependent = new ProductNN { Id = 78 };
context.Entry(dependent).Property("CategoryId").CurrentValue = principal.Id;
context.Entry(principal).State = entityState;
context.Entry(dependent).State = entityState;
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, context.Entry(dependent).Property("CategoryId").CurrentValue);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
});
}
}
public void Add_dependent_but_not_principal_one_to_one_dep_uni_FK_not_set_dependent_nav_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new ParentDN { Id = 77 };
var dependent = new ChildDN { Id = 78 };
context.Entry(dependent).State = entityState;
dependent.Parent = principal;
context.ChangeTracker.DetectChanges();
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, dependent.ParentId);
Assert.Same(principal, dependent.Parent);
Assert.Equal(EntityState.Added, context.Entry(principal).State);
Assert.Equal(entityState == EntityState.Added ? EntityState.Added : EntityState.Modified, context.Entry(dependent).State);
});
}
}
public void Add_principal_but_not_dependent_one_to_one_prin_uni_FK_not_set_principal_nav_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new ParentPN { Id = 77 };
var dependent = new ChildPN { Id = 78 };
context.Entry(principal).State = entityState;
principal.Child = dependent;
context.ChangeTracker.DetectChanges();
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, dependent.ParentId);
Assert.Same(dependent, principal.Child);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(EntityState.Added, context.Entry(dependent).State);
});
}
}
public void Add_principal_then_dependent_one_to_one_dep_uni_FK_set_dependent_nav_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new ParentDN { Id = 77 };
var dependent = new ChildDN { Id = 78, Parent = principal };
context.Entry(dependent).Property("ParentId").CurrentValue = principal.Id;
context.Entry(principal).State = entityState;
context.Entry(dependent).State = entityState;
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, context.Entry(dependent).Property("ParentId").CurrentValue);
Assert.Same(principal, dependent.Parent);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
});
}
}
public void Add_principal_but_not_dependent_one_to_one_no_navs_FK_set_no_navs_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new ParentNN { Id = 77 };
var dependent = new ChildNN { Id = 78 };
context.Entry(principal).State = entityState;
dependent.ParentId = principal.Id;
context.ChangeTracker.DetectChanges();
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, dependent.ParentId);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(EntityState.Detached, context.Entry(dependent).State);
});
}
}
public void Add_principal_then_dependent_one_to_many_prin_uni_FK_not_set_principal_nav_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new CategoryPN { Id = 77 };
var dependent = new ProductPN { Id = 78 };
principal.Products.Add(dependent);
context.Entry(principal).State = entityState;
context.Entry(dependent).State = entityState;
Assert.Equal(principal.Id, dependent.CategoryId);
Assert.Equal(new[] { dependent }.ToList(), principal.Products);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
}
}
public void Add_dependent_then_principal_one_to_many_dep_uni_FK_not_set_dependent_nav_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new CategoryDN { Id = 77 };
var dependent = new ProductDN { Id = 78, Category = principal };
context.Entry(dependent).State = entityState;
context.Entry(principal).State = entityState;
Assert.Equal(principal.Id, dependent.CategoryId);
Assert.Same(principal, dependent.Category);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
}
}
public void Add_principal_but_not_dependent_one_to_many_dep_uni_FK_not_set_dependent_nav_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new CategoryDN { Id = 77 };
var dependent = new ProductDN { Id = 78 };
context.Entry(principal).State = entityState;
dependent.Category = principal;
context.ChangeTracker.DetectChanges();
AssertFixup(
context,
() =>
{
Assert.Equal(0, dependent.CategoryId);
Assert.Same(principal, dependent.Category);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(EntityState.Detached, context.Entry(dependent).State);
});
}
}
public void Add_principal_then_dependent_one_to_many_no_navs_FK_set_no_navs_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new CategoryNN { Id = 77 };
var dependent = new ProductNN { Id = 78, CategoryId = principal.Id };
context.Entry(principal).State = entityState;
context.Entry(dependent).State = entityState;
Assert.Equal(principal.Id, dependent.CategoryId);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
}
}
public void Add_dependent_then_principal_one_to_one_prin_uni_FK_set_principal_nav_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new ParentPN { Id = 77 };
var dependent = new ChildPN { Id = 78, ParentId = principal.Id };
principal.Child = dependent;
context.Entry(dependent).State = entityState;
context.Entry(principal).State = entityState;
Assert.Equal(principal.Id, dependent.ParentId);
Assert.Same(dependent, principal.Child);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
}
}
public void Add_principal_but_not_dependent_one_to_many_prin_uni_FK_not_set_principal_nav_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new CategoryPN { Id = 77 };
var dependent = new ProductPN { Id = 78 };
context.Entry(principal).State = entityState;
principal.Products.Add(dependent);
context.ChangeTracker.DetectChanges();
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, dependent.CategoryId);
Assert.Equal(new[] { dependent }.ToList(), principal.Products);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(EntityState.Added, context.Entry(dependent).State);
});
}
}
public void Add_dependent_then_principal_one_to_one_FK_not_set_principal_nav_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new Parent { Id = 77 };
var dependent = new Child { Id = 78 };
principal.Child = dependent;
context.Entry(dependent).State = entityState;
context.Entry(principal).State = entityState;
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, context.Entry(dependent).Property("ParentId").CurrentValue);
Assert.Same(principal, dependent.Parent);
Assert.Same(dependent, principal.Child);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
});
}
}
private void Principal_nav_set_unidirectional_impl(EntityState entityState, bool?graph)
{
using (var context = new FixupContext())
{
var principal = new ParentPN {
Id = 77
};
if (graph == null)
{
context.Entry(principal).State = entityState;
}
var dependent = new ChildPN {
Name = "1"
};
principal.Child1 = dependent;
var subDependent = new SubChildPN {
Name = "1S"
};
dependent.SubChild = subDependent;
if (graph == null)
{
context.ChangeTracker.DetectChanges();
}
else if (graph == true)
{
context.ChangeTracker.TrackGraph(principal, e => e.Entry.State = entityState);
}
else
{
switch (entityState)
{
case EntityState.Added:
context.Add(principal);
break;
case EntityState.Unchanged:
context.Attach(principal);
break;
case EntityState.Modified:
context.Update(principal);
break;
}
}
Assert.Equal(3, context.ChangeTracker.Entries().Count());
AssertFixup(
context,
() =>
{
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Same(dependent, principal.Child1);
Assert.Null(principal.Child2);
var dependentEntry = context.Entry(dependent);
Assert.Equal(principal.Id, dependentEntry.Property("ParentId").CurrentValue);
Assert.Equal(graph == null ? EntityState.Added : entityState, dependentEntry.State);
Assert.Equal(nameof(ParentPN.Child1), dependentEntry.Metadata.DefiningNavigationName);
Assert.Same(subDependent, dependent.SubChild);
var subDependentEntry = context.Entry(subDependent);
Assert.Equal(principal.Id, subDependentEntry.Property("ChildId").CurrentValue);
Assert.Equal(graph == null ? EntityState.Added : entityState, subDependentEntry.State);
Assert.Equal(nameof(ChildPN.SubChild), subDependentEntry.Metadata.DefiningNavigationName);
});
}
}
public void Add_dependent_then_principal_one_to_one_no_navs_FK_set_no_navs_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new ParentNN { Id = 77 };
var dependent = new ChildNN { Id = 78, ParentId = principal.Id };
context.Entry(dependent).State = entityState;
context.Entry(principal).State = entityState;
Assert.Equal(principal.Id, dependent.ParentId);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
}
}
public void Add_principal_then_dependent_one_to_one_FK_not_set_dependent_nav_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new Parent { Id = 77 };
var dependent = new Child { Id = 78, Parent = principal };
context.Entry(principal).State = entityState;
context.Entry(dependent).State = entityState;
Assert.Equal(principal.Id, dependent.ParentId);
Assert.Same(principal, dependent.Parent);
Assert.Same(dependent, principal.Child);
Assert.Equal(entityState, context.Entry(principal).State);
Assert.Equal(entityState, context.Entry(dependent).State);
}
}
public void Add_dependent_but_not_principal_one_to_many_FK_not_set_dependent_nav_set(EntityState entityState)
{
using (var context = new FixupContext())
{
var principal = new Category { Id = 77 };
var dependent = new Product { Id = 78 };
context.Entry(dependent).State = entityState;
dependent.Category = principal;
context.ChangeTracker.DetectChanges();
AssertFixup(
context,
() =>
{
Assert.Equal(principal.Id, dependent.CategoryId);
Assert.Same(principal, dependent.Category);
Assert.Equal(new[] { dependent }.ToList(), principal.Products);
Assert.Equal(EntityState.Added, context.Entry(principal).State);
Assert.Equal(entityState == EntityState.Added ? EntityState.Added : EntityState.Modified, context.Entry(dependent).State);
});
}
}
