public void CanPatch()
{
var original = new AddressEntity { ID = 1, City = "Redmond", State = "WA", StreetAddress = "21110 NE 44th St", ZipCode = 98074 };
dynamic delta = new Delta<AddressEntity>();
delta.City = "Sammamish";
delta.StreetAddress = "23213 NE 15th Ct";
delta.Patch(original);
// unchanged
Assert.Equal(1, original.ID);
Assert.Equal(98074, original.ZipCode);
Assert.Equal("WA", original.State);
// changed
Assert.Equal("Sammamish", original.City);
Assert.Equal("23213 NE 15th Ct", original.StreetAddress);
}
public void CanCopyUnchangedValues()
{
var original = new AddressEntity { ID = 1, City = "Redmond", State = "WA", StreetAddress = "21110 NE 44th St", ZipCode = 98074 };
dynamic delta = new Delta<AddressEntity>();
delta.City = "Sammamish";
delta.StreetAddress = "23213 NE 15th Ct";
var idelta = delta as IDelta<AddressEntity>;
idelta.CopyUnchangedValues(original);
// unchanged values have been reset to defaults
Assert.Equal(0, original.ID);
Assert.Equal(0, original.ZipCode);
Assert.Equal(null, original.State);
// changed values have been left unmodified
Assert.Equal("Redmond", original.City);
Assert.Equal("21110 NE 44th St", original.StreetAddress);
}
public void CanGetChangedPropertyNames()
{
var original = new AddressEntity { ID = 1, City = "Redmond", State = "NY", StreetAddress = "21110 NE 44th St", ZipCode = 98074 };
dynamic delta = new Delta<AddressEntity>();
var idelta = delta as IDelta;
// modify in the way we expect the formatter too.
idelta.TrySetPropertyValue("City", "Sammamish");
Assert.Equal(1, idelta.GetChangedPropertyNames().Count());
Assert.Equal("City", idelta.GetChangedPropertyNames().Single());
// read the property back
object city = null;
Assert.True(idelta.TryGetPropertyValue("City", out city));
Assert.Equal("Sammamish", city);
// modify the way people will through custom code
delta.StreetAddress = "23213 NE 15th Ct";
var mods = idelta.GetChangedPropertyNames().ToArray();
Assert.Equal(2, mods.Count());
Assert.True(mods.Contains("StreetAddress"));
Assert.True(mods.Contains("City"));
Assert.Equal("23213 NE 15th Ct", delta.StreetAddress);
}