public void Create_WhenInputDataCorrect_ShouldReturnCorrectFunction()
{
//arrange
ExpressionTreeGenerator <Source, Destination> underTest = new ExpressionTreeGenerator <Source, Destination>();
var valueToTest = TestDataFactory.CreatePropertyList();
Source parameter = new Source()
{
EqualValueTypeProperty = 12,
CastValueTypeProperty = 13.5F,
NotCastTypeProperty = 48,
EqualRefTypeProperty = new List <int>(),
BaseRefTypeProperty = new List <int>(),
DifferentRefTypeProperty = new DateTime()
};
Expression <Func <Source, Destination> > expectedBehavior = source => new Destination()
{
EqualValueTypeProperty = source.EqualValueTypeProperty,
CastValueTypeProperty = source.CastValueTypeProperty,
EqualRefTypeProperty = source.EqualRefTypeProperty,
BaseRefTypeProperty = source.BaseRefTypeProperty
};
//act
var actualBehavior = underTest.Create(valueToTest);
//assert
var actual = actualBehavior.Compile().Invoke(parameter);
var expect = expectedBehavior.Compile().Invoke(parameter);
Assert.Equal(actual, expect, Destination.DestinationComparer);
}
public void Create_WhenInputDataIncorrect_ShouldThrowException()
{
//arrange
ExpressionTreeGenerator <Source, Destination> underTest = new ExpressionTreeGenerator <Source, Destination>();
//assert
Assert.Throws <ArgumentNullException>(() => underTest.Create(null));
}
public Func <TSource, TDestination> CompileMappingFunction <TSource, TDestination>() where TDestination : new()
{
ExpressionTreeGenerator <TSource, TDestination> expressionTreeGenerator = new ExpressionTreeGenerator <TSource, TDestination>();
PropertyMapper <TSource, TDestination> propertyMapper = new PropertyMapper <TSource, TDestination>();
IEnumerable <MappingPair> mapPairs = propertyMapper.PerformMapping();
return(expressionTreeGenerator.Create(mapPairs).Compile());
}