public void Deserialize_combined_filter_tree()
{
var d = @"{
""LogicalOperator"" : ""Or"",
""LHS"" : {
""LogicalOperator"" : ""And"",
""LHS"" : {
""Property"" : ""Salary"",
""Operation"" : ""GreaterThan"",
""Value"" : ""10000""
},
""RHS"" :{
""Property"" : ""Name"",
""Operation"" : ""StartsWith"",
""Value"" : ""Ra""
}
},
""RHS"" :{
""Property"" : ""Name"",
""Operation"" : ""StartsWith"",
""Value"" : ""Shy""
}
}";
var jsonFilter = new JsonFilterExpression(d);
var f = jsonFilter.Filter <TestItem>();
var filteredItems = f.Apply(_testItems).ToArray();
Assert.That(filteredItems.Length, Is.EqualTo(2));
}
public void Deserialize_filter_with_empty_json()
{
var jsonFilter = new JsonFilterExpression(@"{}");
var f = jsonFilter.Filter <TestItem>();
var filteredItems = f.Apply(_testItems).ToArray();
Assert.That(filteredItems.Length, Is.EqualTo(5));
}
public void Serialize_and_filter_with_one_filter_expression()
{
var expression = new LeafFilterExpression()
{
Operation = OperationType.GreaterThan, Property = "Salary", Value = 10000
};
var json = new JsonFilterExpression(expression.Json());
var filteredItems = json.Filter <TestItem>().Apply(_testItems);
Assert.That(filteredItems.Count(), Is.EqualTo(2));
}
public void Deserialize_filter_with_one_less_than_condition()
{
var d = @"{
""Property"" : ""Salary"",
""Operation"" : ""LessThan"",
""Value"" : ""10000""
}" ;
var jsonFilter = new JsonFilterExpression(d);
var f = jsonFilter.Filter <TestItem>();
var filteredItems = f.Apply(_testItems).ToArray();
Assert.That(filteredItems.Length, Is.EqualTo(1));
}
public void Throws_exception_for_invalid_logical_operator()
{
var d = @"{
""LogicalOperator"" : ""INVALID"",
""LHS"" : {
""Property"" : ""Salary"",
""Operation"" : ""GreaterThan"",
""Value"" : ""10000""
},
""RHS"" :{
""Property"" : ""Name"",
""Operation"" : ""StartsWith"",
""Value"" : ""Ra""
}
}";
var jsonFilter = new JsonFilterExpression(d);
Assert.Throws <ArgumentException>(() => jsonFilter.Filter <TestItem>());
}
public void Serialize_and_filter_with_combined_or_filter_expression()
{
var lhs = new LeafFilterExpression()
{
Operation = OperationType.GreaterThan, Property = "Salary", Value = 10000
};
var rhs = new LeafFilterExpression()
{
Operation = OperationType.Contains, Property = "Name", Value = "am"
};
var combined = new CompositeFilterExpression()
{
LHS = lhs, RHS = rhs, LogicalOperator = LogicalOperator.Or
};
var json = new JsonFilterExpression(combined.Json());
var filteredItems = json.Filter <TestItem>().Apply(_testItems);
Assert.That(filteredItems.Count(), Is.EqualTo(3));
}