public void CreateConvertExpression_MultipleCases_ConvertsCorrectly(
Type sourceType,
Type targetType,
string sourcePropertyName,
string targetPropertyName,
object sourcePropertyValue)
{
var target = new PropertyConverter();
var fixture = new Fixture();
var createMethod = fixture.GetType().GetMethod("CreateAnonymous");
var sourceObject = Activator.CreateInstance(sourceType);
var targetObject = Activator.CreateInstance(targetType);
var sourceParam = Expression.Parameter(sourceType);
var targetParam = Expression.Parameter(targetType);
var sourceProp = sourceType.GetProperty(sourcePropertyName);
var targetProp = targetType.GetProperty(targetPropertyName);
if (sourcePropertyValue != null)
{
sourceProp.SetValue(sourceObject, sourcePropertyValue, null);
}
var expr = target.CreateConvertExpression(
sourceProp,
targetProp,
sourceParam,
targetParam);
var actionType = typeof(MappingAction <,>).MakeGenericType(sourceType, targetType);
var lambda = Expression.Lambda(actionType, expr, sourceParam, targetParam);
var action = lambda.Compile();
action.DynamicInvoke(sourceObject, targetObject);
var resultProp = targetProp.GetValue(targetObject, null);
resultProp.ShouldBe(sourcePropertyValue);
}