public void ScratchPadTest()
{
//repository.Get(keyboard, o=>o.InAscOrderOf(p=>p.AverageRatings));
//var keyboard = new ProductCategorySpecification(ProductCategory.KeyBoard);
//1. Following example is achieving the same result as above one but using DynamicSpecification.
//var keyboard = new DynamicSpecification<Product>("Category", OperationType.EqualTo, "Keyboard");
//var popular = new DynamicSpecification<Product>("AverageRatings",OperationType.GreaterThanEqualTo, "4.5");
//var popularKeyboard = popular.And(keyboard);
//var popularKeyboards = repository.Get(popularKeyboard);
//2. Order following example we're combinding DynamicSpecification with GenericSpecification.
//var keyboard = new GenericSpecification<Product>(p=>p.Category==ProductCategory.KeyBoard);
//var popular = new DynamicSpecification<Product>("AverageRatings", OperationType.GreaterThanEqualTo, "4.5");
//var popularKeyboard = popular.And(keyboard);
//var popularKeyboards = repository.Get(popularKeyboard);
//var popular = new PopularProductSpecification();
//var keyboard = new CategorySpecification(ProductCategory.KeyBoard);
//var popularKeyboard = popular.And(keyboard);
//var popularKeyboards = _repository.Get(popularKeyboard);
string userSuppliedProperty = "AverageRatings";
OperationType userSuppliedOperationType = OperationType.GreaterThan;
var userSuppliedValue = 4.5;
var userFilter = new DynamicSpecification<Product>(userSuppliedProperty, userSuppliedOperationType, userSuppliedValue);
var filteredProducts = _repository.Get(userFilter);
//and dynamic ordering
string userSuppliedOrderingProperty = "Category";
OrderType userSuppliedOrderType = OrderType.Ascending;
var sortedFilteredProduct = _repository.Get(userFilter, o => o.InOrderOf(userSuppliedOrderingProperty, userSuppliedOrderType));
}
public void Throws_exception_when_dynamic_property_is_not_found_in_field_and_properties_of_candidate_object()
{
var specification = new DynamicSpecification<TestClass>("Age", OperationType.GreaterThan, 30);
TestDelegate matchingOfSpecification = ()=> specification.IsSatisfiedBy(_candidateObject);
Assert.That(matchingOfSpecification,Throws.TypeOf<ArgumentException>());
}
