public void UsingTransformationEarlyInsert() { string mySample = @"<BasicTypesSampleWithoutAttr> <AString>whatever</AString> </BasicTypesSampleWithoutAttr>"; ; var src = new XmlConfigSource<BasicTypesSampleWithoutAttr>(); src.AddTransform(x => x.AString = "42"); src.Get().Should().Be.Null(); src.Load(mySample); src.Get().Should().Not.Be.Null(); src.Get().AString.Should().Be("42"); }