public QueryableSortVisitor(
InputObjectType initialType,
Type source) : base(initialType)
{
if (initialType is null)
{
throw new ArgumentNullException(nameof(initialType));
}
Closure = new SortQueryableClosure(source, _parameterName);
}
public QueryableSortVisitorContext(
InputParser inputParser,
InputObjectType initialType,
Type source,
bool inMemory)
: base(initialType)
{
if (source is null)
{
throw new ArgumentNullException(nameof(source));
}
Closure = new SortQueryableClosure(source, _parameterName);
InputParser = inputParser ?? throw new ArgumentNullException(nameof(inputParser));
InMemory = inMemory;
}
public void AddSortOperation_DescOnIOrderedQueryable_ShouldAddThenByDescending()
{
// arrange
IOrderedQueryable <Foo> source = new Foo[0].AsQueryable().OrderBy(f => f.Bar);
var closure = new SortQueryableClosure(typeof(Foo), "p");
closure.EnqueueProperty(typeof(Foo).GetProperty(nameof(Foo.Bar)));
var operation = closure.CreateSortOperation(SortOperationKind.Desc);
// act
IOrderedQueryable <Foo> sorted = source.AddInitialSortOperation(
operation
);
// assert
Assert.Equal(source.ThenByDescending(s => s.Bar), sorted);
}
public void CompileInitialSortOperation_AscOnIQueryable_ShouldAddOrderBy()
{
// arrange
IQueryable <Foo> source = new Foo[0].AsQueryable();
var closure = new SortQueryableClosure(typeof(Foo), "p");
closure.EnqueueProperty(typeof(Foo).GetProperty(nameof(Foo.Bar)));
SortOperationInvocation operation =
closure.CreateSortOperation(SortOperationKind.Asc);
// act
Expression sortExpression = source.Expression.CompileInitialSortOperation(
operation
);
IQueryable <Foo> sorted =
source.Provider.CreateQuery <Foo>(sortExpression);
// assert
Assert.Equal(source.OrderBy(s => s.Bar), sorted);
}
