public void Apply_CopiesValueFromSourceToTarget()
{
var propertyMapping =
new PropertyMapping <Source, Target, string>(string.Empty, t => t.TargetValue,
(s, t) => t.TargetValue = s.SourceValue,
string.Empty);
var source = new Source();
var target = new Target();
propertyMapping.Apply(source, target);
target.TargetValue.Should().Be("Source");
}
