public void GivenAnIsExpressionWithSubTypeOfQueriedTypeOnRight_ShouldReturnATermFilterWithTypesFieldAndTypeNameAsValue()
{
var client = new Client("", "");
var filter = client.WhereFilter <TestData>(x => x is TestDataSub);
filter.Should().BeOfType <TermFilter>();
var termFilter = (TermFilter)filter;
termFilter.Value.Equals(TypeHierarchyInterceptor.GetTypeName(typeof(TestDataSub))).Should().BeTrue();
termFilter.Field.Should().Be(TypeHierarchyInterceptor.TypeHierarchyJsonPropertyName);
}
public void GivenAnIsExpressionWithMemberOnLeftAndSubTypeOfMemberTypeOnRight_ShouldReturnATermFilterWithMembersTypesFieldAndTypeNameAsValue()
{
var client = new Client("", "");
var filter = client.WhereFilter <TestData>(x => x.Another is TestDataSub);
filter.Should().BeOfType <TermFilter>();
var termFilter = (TermFilter)filter;
termFilter.Value.Equals(TypeHierarchyInterceptor.GetTypeName(typeof(TestDataSub))).Should().BeTrue();
var expectedFieldName = client.GetFieldName <TestData, TestData>(x => x.Another) + "." + TypeHierarchyInterceptor.TypeHierarchyJsonPropertyName;
termFilter.Field.Should().Be(expectedFieldName);
}
protected override Expression VisitTypeBinary(TypeBinaryExpression node)
{
if (node.NodeType == ExpressionType.TypeIs)
{
var fieldName = conventions.FieldNameConvention.GetFieldName(node.Expression);
if (!string.IsNullOrEmpty(fieldName))
{
fieldName += ".";
}
fieldName += TypeHierarchyInterceptor.TypeHierarchyJsonPropertyName;
var typeHiearchyFilter = new TermFilter(fieldName,
TypeHierarchyInterceptor.GetTypeName(node.TypeOperand));
AddFilter(typeHiearchyFilter);
}
return(base.VisitTypeBinary(node));
}