public void Does_fixup_of_related_principals()
{
var manager = CreateStateManager();
var principal1 = new Category {
Id = 11
};
var principal2 = new Category {
Id = 12
};
var dependent = new Product {
Id = 21, CategoryId = 12
};
manager.StartTracking(manager.GetOrCreateEntry(principal1));
manager.StartTracking(manager.GetOrCreateEntry(principal2));
var dependentEntry = manager.GetOrCreateEntry(dependent);
manager.StartTracking(dependentEntry);
var fixer = new NavigationFixer(manager, new ClrCollectionAccessorSource(), new ClrPropertySetterSource());
fixer.StateChanged(dependentEntry, EntityState.Unknown);
Assert.Same(dependent.Category, principal2);
Assert.Contains(dependent, principal2.Products);
Assert.DoesNotContain(dependent, principal1.Products);
}
public void Does_fixup_of_one_to_one_self_referencing_relationship()
{
var manager = CreateStateManager();
var entity1 = new Product {
Id = 21, AlternateProductId = 22
};
var entity2 = new Product {
Id = 22, AlternateProductId = 23
};
var entity3 = new Product {
Id = 23
};
var entry1 = manager.GetOrCreateEntry(entity1);
var entry2 = manager.GetOrCreateEntry(entity2);
var entry3 = manager.GetOrCreateEntry(entity3);
manager.StartTracking(entry1);
manager.StartTracking(entry2);
manager.StartTracking(entry3);
var fixer = new NavigationFixer(manager, CreateAccessorSource());
Assert.Null(entity1.AlternateProduct);
Assert.Null(entity1.OriginalProduct);
Assert.Null(entity2.AlternateProduct);
Assert.Null(entity2.OriginalProduct);
Assert.Null(entity3.AlternateProduct);
Assert.Null(entity3.OriginalProduct);
fixer.StateChanged(entry1, EntityState.Unknown);
Assert.Same(entity2, entity1.AlternateProduct);
Assert.Null(entity1.OriginalProduct);
Assert.Null(entity2.AlternateProduct);
Assert.Same(entity1, entity2.OriginalProduct);
Assert.Null(entity3.AlternateProduct);
Assert.Null(entity3.OriginalProduct);
fixer.StateChanged(entry3, EntityState.Unknown);
Assert.Same(entity2, entity1.AlternateProduct);
Assert.Null(entity1.OriginalProduct);
Assert.Same(entity3, entity2.AlternateProduct);
Assert.Same(entity1, entity2.OriginalProduct);
Assert.Null(entity3.AlternateProduct);
Assert.Same(entity2, entity3.OriginalProduct);
}
public void Members_check_arguments()
{
var fixer = new NavigationFixer(Mock.Of <StateManager>(), CreateAccessorSource());
Assert.Equal(
"entry",
// ReSharper disable once AssignNullToNotNullAttribute
Assert.Throws <ArgumentNullException>(() => fixer.StateChanged(null, EntityState.Unknown)).ParamName);
Assert.Equal(
Strings.FormatInvalidEnumValue("oldState", typeof(EntityState)),
Assert.Throws <ArgumentException>(() => fixer.StateChanged(new Mock <StateEntry>().Object, (EntityState)77)).Message);
}
public void Does_fixup_of_related_dependents()
{
var manager = CreateStateManager();
var dependent1 = new Product {
Id = 21, CategoryId = 11
};
var dependent2 = new Product {
Id = 22, CategoryId = 12
};
var dependent3 = new Product {
Id = 23, CategoryId = 11
};
var principal = new Category {
Id = 11
};
manager.StartTracking(manager.GetOrCreateEntry(dependent1));
manager.StartTracking(manager.GetOrCreateEntry(dependent2));
manager.StartTracking(manager.GetOrCreateEntry(dependent3));
var principalEntry = manager.GetOrCreateEntry(principal);
manager.StartTracking(principalEntry);
var fixer = new NavigationFixer(manager, new ClrCollectionAccessorSource(), new ClrPropertySetterSource());
fixer.StateChanged(principalEntry, EntityState.Unknown);
Assert.Same(dependent1.Category, principal);
Assert.Null(dependent2.Category);
Assert.Same(dependent3.Category, principal);
Assert.Contains(dependent1, principal.Products);
Assert.DoesNotContain(dependent2, principal.Products);
Assert.Contains(dependent3, principal.Products);
}
public void Does_fixup_of_one_to_one_relationship()
{
var manager = CreateStateManager();
var principal1 = new Product {
Id = 21
};
var principal2 = new Product {
Id = 22
};
var principal3 = new Product {
Id = 23
};
var dependent1 = new ProductDetail {
Id = 21
};
var dependent2 = new ProductDetail {
Id = 22
};
var dependent4 = new ProductDetail {
Id = 24
};
var principalEntry1 = manager.GetOrCreateEntry(principal1);
var principalEntry2 = manager.GetOrCreateEntry(principal2);
var principalEntry3 = manager.GetOrCreateEntry(principal3);
var dependentEntry1 = manager.GetOrCreateEntry(dependent1);
var dependentEntry2 = manager.GetOrCreateEntry(dependent2);
var dependentEntry4 = manager.GetOrCreateEntry(dependent4);
manager.StartTracking(principalEntry1);
manager.StartTracking(principalEntry2);
manager.StartTracking(principalEntry3);
manager.StartTracking(dependentEntry1);
manager.StartTracking(dependentEntry2);
manager.StartTracking(dependentEntry4);
var fixer = new NavigationFixer(manager, CreateAccessorSource());
Assert.Null(principal1.Detail);
Assert.Null(dependent1.Product);
fixer.StateChanged(principalEntry1, EntityState.Unknown);
Assert.Same(principal1, dependent1.Product);
Assert.Same(dependent1, principal1.Detail);
Assert.Null(principal2.Detail);
Assert.Null(dependent2.Product);
fixer.StateChanged(dependentEntry2, EntityState.Unknown);
Assert.Same(principal2, dependent2.Product);
Assert.Same(dependent2, principal2.Detail);
Assert.Null(principal3.Detail);
Assert.Null(dependent4.Product);
fixer.StateChanged(principalEntry3, EntityState.Unknown);
fixer.StateChanged(dependentEntry4, EntityState.Unknown);
Assert.Null(principal3.Detail);
Assert.Null(dependent4.Product);
}
