public void TestFhirPathTrace()
{
var patient = new Hl7.Fhir.Model.Patient()
{
Id = "pat45", Active = false
};
patient.Meta = new Meta()
{
LastUpdated = new DateTimeOffset(2018, 5, 24, 14, 48, 0, TimeSpan.Zero)
};
var nav = patient.ToTypedElement();
EvaluationContext ctx = new FhirEvaluationContext();
var result = nav.Select("Resource.meta.trace('log').lastUpdated", ctx);
Assert.IsNotNull(result.FirstOrDefault());
Assert.AreEqual(PartialDateTime.Parse("2018-05-24T14:48:00+00:00"), result.First().Value);
bool traced = false;
ctx.Tracer = (string name, System.Collections.Generic.IEnumerable <ITypedElement> results) =>
{
System.Diagnostics.Trace.WriteLine($"{name}");
Assert.AreEqual("log", name);
foreach (ITypedElement item in results)
{
var fhirValue = item.Annotation <IFhirValueProvider>();
System.Diagnostics.Trace.WriteLine($"--({fhirValue.FhirValue.GetType().Name}): {item.Value} {fhirValue.FhirValue}");
Assert.AreEqual(patient.Meta, fhirValue.FhirValue);
traced = true;
}
};
result = nav.Select("Resource.meta.trace('log').lastUpdated", ctx);
Assert.IsNotNull(result.FirstOrDefault());
Assert.AreEqual(PartialDateTime.Parse("2018-05-24T14:48:00+00:00"), result.First().Value);
Assert.IsTrue(traced);
traced = false;
ctx.Tracer = (string name, System.Collections.Generic.IEnumerable <ITypedElement> results) =>
{
System.Diagnostics.Trace.WriteLine($"{name}");
Assert.IsTrue(name == "id" || name == "log");
foreach (ITypedElement item in results)
{
var fhirValue = item.Annotation <IFhirValueProvider>();
System.Diagnostics.Trace.WriteLine($"--({fhirValue.FhirValue.GetType().Name}): {item.Value} {fhirValue.FhirValue}");
traced = true;
}
};
result = nav.Select("Resource.trace('id', id).meta.trace('log', lastUpdated).lastUpdated", ctx);
Assert.IsNotNull(result.FirstOrDefault());
Assert.AreEqual(PartialDateTime.Parse("2018-05-24T14:48:00+00:00"), result.First().Value);
Assert.IsTrue(traced);
}