public void TestNonExistingPropertyReturnsNull()
{
var index = new FhirPropertyIndex(_fhirModel, new List<Type> { typeof(Patient), typeof(Account) });
var pm = index.findPropertyInfo("TypeNotPresent", "subject");
Assert.IsNull(pm);
pm = index.findPropertyInfo("Patient", "property_not_present");
Assert.IsNull(pm);
}
public void TestExistingPropertyIsFound()
{
var index = new FhirPropertyIndex(_fhirModel, new List<Type> { typeof(Patient), typeof(HumanName) });
var pm = index.findPropertyInfo("Patient", "name");
Assert.IsNotNull(pm);
pm = index.findPropertyInfo("HumanName", "given");
Assert.IsNotNull(pm);
}
public void TestTypedNameIsFound()
{
var index = new FhirPropertyIndex(_fhirModel, new List<Type> { typeof(ClinicalImpression) });
var pm = index.findPropertyInfo("ClinicalImpression", "triggerCodeableConcept");
Assert.IsNotNull(pm);
}
/// <summary>
/// Walk through an object, following the specified path of properties.
/// The path should NOT include the name of the resource itself (e.g. "Patient.birthdate" is wrong, "birthdate" is right).
/// </summary>
/// <param name="fhirObject"></param>
/// <param name="action"></param>
/// <param name="path"></param>
/// <param name="predicate"></param>
public void VisitByPath(object fhirObject, Action <object> action, string path, string predicate = null)
{
if (fhirObject == null)
{
return;
}
//List of items, visit each of them.
if (TestIfGenericList(fhirObject.GetType()))
{
VisitByPath(fhirObject as IEnumerable <Base>, action, path, predicate);
}
//Single item, visit it if it adheres to the predicate (if any)
else if (String.IsNullOrEmpty(predicate) || PredicateIsTrue(predicate, fhirObject))
{
//Path has ended, we arrived at the object that needs action.
if (String.IsNullOrEmpty(path))
{
action(fhirObject);
}
//See what else is in the path and recursively visit that.
else
{
var hpt = headPredicateAndTail(path);
var head = hpt.Item1;
var headPredicate = hpt.Item2;
var tail = hpt.Item3;
//Path was not empty, so there should be a head. No need for an extra null-check.
var pm = _propIndex.findPropertyInfo(fhirObject.GetType(), head);
//Path might denote an unknown property.
if (pm != null)
{
var headValue = pm.PropInfo.GetValue(fhirObject);
if (headValue != null)
{
VisitByPath(headValue, action, tail, headPredicate);
}
}
else
{
//TODO: Throw exception (Spark.Exception.NotSupportedException for example), to be catched higher up and then translated to the OperationOutcome.
}
}
}
}
