void Formula_Can_Execute_FormulaExpressionContext()
{
var controller = new YamlScriptController();
controller.QuestionCallback = (FormulaExpressionContext sender, QuestionArgs args) =>
{
// should not be called.
throw new Exception("Questioncallback should not be called.");
};
var result = controller.Parse(YamlTestFileLoader.Load(@"Rijksoverheid/Zorgtoeslag.yaml"));
var parameters = new ParametersCollection()
{
new ClientParameter("alleenstaande", "ja", TypeInference.InferenceResult.TypeEnum.Boolean, "Dummy"),
new ClientParameter("woonland", "Nederland", TypeInference.InferenceResult.TypeEnum.List, "Dummy"),
new ClientParameter("toetsingsinkomen_aanvrager", (double)19000, TypeInference.InferenceResult.TypeEnum.Double, "Dummy"),
new ClientParameter("toetsingsinkomen_toeslagpartner", (double)0, TypeInference.InferenceResult.TypeEnum.Double, "Dummy")
} as IParametersCollection;
var model = result.Model;
var context = new FormulaExpressionContext(ref model, ref parameters, controller.GetFormula("normpremie"), controller.QuestionCallback, controller);
var parameter = context.Evaluate();
Assert.True(parameter.Name == "normpremie");
Assert.True((double)parameter.Value == 419.86704999999995);
Assert.True(parameters.Count == 7);
}
void Formula_Table_Lookup_Test()
{
// -naam: woonlandfactoren
// woonland, factor:
// - [Finland, 0.7161]
var controller = new YamlScriptController();
var result = controller.Parse(YamlTestFileLoader.Load(@"Rijksoverheid/Zorgtoeslag.yaml"));
ExpressionContext context = new ExpressionContext(controller);
// Tsjechië, 0.2412
context.Variables.Add("woonland", "Tsjechië");
var formula = controller.GetFormula("woonlandfactor");
// select(string tableName, string lookupValue, string lookupColumn, string resultColumn)
IDynamicExpression e = context.CompileDynamic(formula.Functions[0].Expression);
double result1 = (double)e.Evaluate();
Assert.True(result1 == 0.2412);
}
void Formula_Can_Execute_FormulaExpressionContext_UsingQuestionAnswer()
{
var controller = new YamlScriptController();
var result = controller.Parse(YamlTestFileLoader.Load(@"Rijksoverheid/Zorgtoeslag.yaml"));
var parameters = new ParametersCollection()
{
new ClientParameter("alleenstaande", "ja", TypeInference.InferenceResult.TypeEnum.Boolean, "Dummy"),
new ClientParameter("woonland", "Nederland", TypeInference.InferenceResult.TypeEnum.List, "Dummy"),
new ClientParameter("toetsingsinkomen_toeslagpartner", (double)0, TypeInference.InferenceResult.TypeEnum.Double, "Dummy")
} as IParametersCollection;
var model = result.Model;
bool called = false;
OnQuestion = (FormulaExpressionContext sender, QuestionArgs args) =>
{
Assert.True(args.Parameters[0].Name == "toetsingsinkomen_aanvrager");
called = true;
};
var context = new FormulaExpressionContext(ref model, ref parameters, controller.GetFormula("normpremie"), OnQuestion, controller);
bool unresolvedException = false;
try
{
var parameter = context.Evaluate();
}
catch (UnresolvedException)
{
unresolvedException = true;
}
Assert.True(called);
Assert.True(unresolvedException);
}