private IEnumerable<VariableValue> GetVariableValuesFrom(CollectRequest collectRequest, IDocumentSession session)
{
List<VariableValue> variableValues = new List<VariableValue>();
VariableType[] variables = collectRequest.GetOvalVariables(session).ToArray();
VariableEvaluator variableEvaluator = new VariableEvaluator(variables, collectRequest.GetSystemCharacteristics(session), collectRequest.GetExternalVariables());
foreach (VariableType variable in collectRequest.GetOvalVariables(session))
{
IEnumerable<string> valuesOfVariable = variableEvaluator.EvaluateVariable(variable.id);
IEnumerable<ObjectType> objectsByVariable = collectRequest.GetObjectTypesByVariableId(session, variable.id);
variableValues.AddRange(this.CreateVariableValuesFrom(objectsByVariable, variable.id, valuesOfVariable));
IEnumerable<StateType> statesByVariable = collectRequest.GetStateTypeByVariableId(session, variable.id);
variableValues.AddRange(this.CreateVariableValuesFrom(statesByVariable, variable.id, valuesOfVariable));
}
return variableValues;
}
private OVAL.Definitions.variableEvaluator.VariableValue CreateVariableValuesFromStateEntity(
string stateID,
string stateEntityVariable,
oval_results ovalResults)
{
if (string.IsNullOrEmpty(stateEntityVariable))
return null;
var variableEvaluator =
new VariableEvaluator(
ovalResults.oval_definitions.variables.ToArray(),
ovalResults.results[0].oval_system_characteristics,
ovalResults.EvaluatedExternalVariables);
var variableValues = variableEvaluator.EvaluateVariable(stateEntityVariable);
return new VariableValue(stateID, stateEntityVariable, variableValues);
}
public void Should_be_possible_evaluate_a_variable_given_variableID()
{
oval_definitions definitions = new OvalDocumentLoader().GetFakeOvalDefinitions("oval_definitions.oval.org.mitre.oval.def.5921.xml");
Assert.IsNotNull(definitions, "the definitios is not created");
VariableEvaluator variableEvaluator = new VariableEvaluator(definitions.variables, null, null);
IEnumerable<string> values = variableEvaluator.EvaluateVariable("oval:org.mitre.oval:var:932");
Assert.IsNotNull(values, "the valueToMatch of variable is null");
Assert.IsTrue(values.Count() == 1, "the quantity of values is not expected");
Assert.IsTrue(values.ElementAt(0) == "1", "the valueToMatch is not expected");
}
