private BooleanFilterOperationDescriptor CreateOperation(
FilterOperationKind operationKind)
{
var operation = new FilterOperation(
typeof(bool),
Definition.Kind,
operationKind,
Definition.Property);
return(BooleanFilterOperationDescriptor.New(
Context,
this,
CreateFieldName(operationKind),
RewriteType(operationKind),
operation,
FilterConvention));
}
public void GetOrAddOperation_Should_AddDescriptorIfNotExists()
{
//arrange
IList <FilterOperationDescriptorBase> list = new List <FilterOperationDescriptorBase>();
BooleanFilterOperationDescriptor operation =
CreateOperation(FilterOperationKind.Equals);
Func <BooleanFilterOperationDescriptor> valueFactory = () => operation;
//act
BooleanFilterOperationDescriptor result =
list.GetOrAddOperation(FilterOperationKind.Equals, valueFactory);
//assert
Assert.Single(list);
Assert.Same(operation, list[0]);
Assert.Same(operation, result);
}
public void GetOrAddOperation_Throws_ExceptionIfExistingDescriptorIsOfDifferentType()
{
//arrange
IList <FilterOperationDescriptorBase> list = new List <FilterOperationDescriptorBase>();
BooleanFilterOperationDescriptor descriptorShouldNotBeRemoved =
CreateOperation(FilterOperationKind.Equals);
ComparableFilterOperationDescriptor newDescriptorShouldThrowException =
CreateComparableOperation(FilterOperationKind.Equals);
Func <ComparableFilterOperationDescriptor> valueFactory =
() => newDescriptorShouldThrowException;
list.Add(descriptorShouldNotBeRemoved);
//act
//assert
Assert.Throws <SchemaException>(() =>
list.GetOrAddOperation(FilterOperationKind.Equals, valueFactory));
}
public void GetOrAddOperation_Should_ReturnDescriptorIfAlreadyExists()
{
//arrange
IList <FilterOperationDescriptorBase> list = new List <FilterOperationDescriptorBase>();
BooleanFilterOperationDescriptor descriptorShouldNotBeRemoved =
CreateOperation(FilterOperationKind.Equals);
BooleanFilterOperationDescriptor newDescriptorShouldNotHaveAnyEffect =
CreateOperation(FilterOperationKind.Equals);
Func <BooleanFilterOperationDescriptor> valueFactory =
() => newDescriptorShouldNotHaveAnyEffect;
list.Add(descriptorShouldNotBeRemoved);
//act
BooleanFilterOperationDescriptor result =
list.GetOrAddOperation(FilterOperationKind.Equals, valueFactory);
//assert
Assert.Single(list);
Assert.Same(descriptorShouldNotBeRemoved, list[0]);
Assert.Same(descriptorShouldNotBeRemoved, result);
Assert.NotSame(newDescriptorShouldNotHaveAnyEffect, result);
}
