public void Should_be_able_to_map_properties_for_each_source() { var address1 = new Address() {City = "Lviv", Street = "Zolota"}; var address2 = new Address() {City = "Lviv", Street = "Horodotska"}; Mapper mapper = new Mapper(); List<Address> addresses = new List<Address> {address1, address2}; mapper.MapTypes<Address, AddressDto>(); IEnumerable<AddressDto> addressDtos = mapper.ApplyMappingContainer<Address, AddressDto>(addresses); Assert.IsTrue(addressDtos.Any(item => item.City == address1.City)); Assert.IsTrue(addressDtos.Any(item => item.City == address2.City)); }