public FhirPathEvaluatorTest(PatientFixture fixture, ITestOutputHelper output)
{
ElementNavFhirExtensions.PrepareFhirSymbolTableFunctions();
this.fixture = fixture;
this.output = output;
}
public void SetupSource()
{
ElementNavFhirExtensions.PrepareFhirSymbolTableFunctions();
var bundleXml = File.ReadAllText("TestData\\bundle-contained-references.xml");
_parsed = (new FhirXmlParser()).Parse <Bundle>(bundleXml);
_bundleNav = new ScopedNavigator(new PocoNavigator(_parsed));
}
public void SetupSource()
{
ElementNavFhirExtensions.PrepareFhirSymbolTableFunctions();
var bundleXml = File.ReadAllText(Path.Combine("TestData", "bundle-contained-references.xml"));
_parsed = (new FhirXmlParser()).Parse <Bundle>(bundleXml);
_bundleElement = new ScopedNode(_parsed.ToTypedElement());
}
public void TestPocoPath()
{
// Ensure the FHIR extensions are registered
ElementNavFhirExtensions.PrepareFhirSymbolTableFunctions();
FhirPathCompiler.DefaultSymbolTable.Add("shortpathname",
(object f) =>
{
if (f is IEnumerable <IElementNavigator> )
{
object[] bits = (f as IEnumerable <IElementNavigator>).Select(i =>
{
if (i is PocoNavigator)
{
return((i as PocoNavigator).ShortPath);
}
return("?");
}).ToArray();
return(FhirValueList.Create(bits));
}
return(FhirValueList.Create(new object[] { "?" }));
});
Patient p = new Patient();
p.Active = true;
p.ActiveElement.ElementId = "314";
p.ActiveElement.AddExtension("http://something.org", new FhirBoolean(false));
p.ActiveElement.AddExtension("http://something.org", new Integer(314));
p.Telecom = new List <ContactPoint>();
p.Telecom.Add(new ContactPoint(ContactPoint.ContactPointSystem.Phone, null, "555-phone"));
p.Telecom[0].Rank = 1;
foreach (var item in p.Select("descendants().shortpathname()"))
{
System.Diagnostics.Trace.WriteLine(item.ToString());
}
var patient = new PocoNavigator(p);
Assert.AreEqual("Patient", patient.Location);
patient.MoveToFirstChild();
Assert.AreEqual("Patient.active[0]", patient.Location);
Assert.AreEqual("Patient.active", patient.ShortPath);
patient.MoveToFirstChild();
Assert.AreEqual("Patient.active[0].id[0]", patient.Location);
Assert.AreEqual("Patient.active.id", patient.ShortPath);
Assert.IsTrue(patient.MoveToNext());
Assert.AreEqual("Patient.active[0].extension[0]", patient.Location);
Assert.AreEqual("Patient.active.extension[0]", patient.ShortPath);
PocoNavigator v1 = patient.Clone() as PocoNavigator;
v1.MoveToFirstChild();
v1.MoveToNext();
Assert.AreEqual("Patient.active[0].extension[0].value[0]", v1.Location);
Assert.AreEqual("Patient.active.extension[0].value", v1.ShortPath);
Assert.IsFalse(v1.MoveToNext());
// Ensure that the original navigator hasn't changed
Assert.AreEqual("Patient.active[0].extension[0]", patient.Location);
Assert.AreEqual("Patient.active.extension[0]", patient.ShortPath);
PocoNavigator v2 = patient.Clone() as PocoNavigator;
v2.MoveToNext();
v2.MoveToFirstChild();
v2.MoveToNext();
Assert.AreEqual("Patient.active[0].extension[1].value[0]", v2.Location);
Assert.AreEqual("Patient.active.extension[1].value", v2.ShortPath);
Assert.AreEqual("Patient.active.extension('http://something.org').value", v2.CommonPath);
PocoNavigator v3 = new PocoNavigator(p);
v3.MoveToFirstChild(); System.Diagnostics.Trace.WriteLine($"{v3.ShortPath} = {v3.FhirValue.ToString()}");
v3.MoveToNext(); System.Diagnostics.Trace.WriteLine($"{v3.ShortPath} = {v3.FhirValue.ToString()}");
// v3.MoveToNext(); System.Diagnostics.Trace.WriteLine($"{v3.ShortPath} = {v3.FhirValue.ToString()}");
// v3.MoveToNext(); System.Diagnostics.Trace.WriteLine($"{v3.ShortPath} = {v3.FhirValue.ToString()}");
v3.MoveToFirstChild("system"); System.Diagnostics.Trace.WriteLine($"{v3.ShortPath} = {v3.FhirValue.ToString()}");
Assert.AreEqual("Patient.telecom[0].system[0]", v3.Location);
Assert.AreEqual("Patient.telecom[0].system", v3.ShortPath);
Assert.AreEqual("Patient.telecom.where(system='phone').system", v3.CommonPath);
// Now check navigation bits
var v4 = new PocoNavigator(p);
Assert.AreEqual("Patient.telecom.where(system='phone').system",
(v4.Select("Patient.telecom.where(system='phone').system").First() as PocoNavigator).CommonPath);
v4 = new PocoNavigator(p);
Assert.AreEqual("Patient.telecom[0].system",
(v4.Select("Patient.telecom.where(system='phone').system").First() as PocoNavigator).ShortPath);
v4 = new PocoNavigator(p);
Assert.AreEqual("Patient.telecom[0].system[0]",
(v4.Select("Patient.telecom.where(system='phone').system").First() as PocoNavigator).Location);
v4 = new PocoNavigator(p);
Assert.AreEqual("Patient.telecom.where(system='phone').system",
(v4.Select("Patient.telecom[0].system").First() as PocoNavigator).CommonPath);
v4 = new PocoNavigator(p);
Assert.AreEqual("Patient.telecom[0].system",
(v4.Select("Patient.telecom[0].system").First() as PocoNavigator).ShortPath);
}
private IndexValue IndexResourceRecursively(Resource resource, IKey key, string rootPartName = "root")
{
var searchParameters = _fhirModel.FindSearchParameters(resource.GetType());
if (searchParameters == null)
{
return(null);
}
var rootIndexValue = new IndexValue(rootPartName);
AddMetaParts(resource, key, rootIndexValue);
ElementNavFhirExtensions.PrepareFhirSymbolTableFunctions();
foreach (var searchParameter in searchParameters)
{
if (string.IsNullOrWhiteSpace(searchParameter.Expression))
{
continue;
}
// TODO: Do we need to index composite search parameters, some
// of them are already indexed by ordinary search parameters so
// need to make sure that we don't do overlapping indexing.
if (searchParameter.Type == Hl7.Fhir.Model.SearchParamType.Composite)
{
continue;
}
var indexValue = new IndexValue(searchParameter.Code);
IEnumerable <Base> resolvedValues;
// HACK: Ignoring search parameter expressions which the FhirPath engine does not yet have support for
try
{
resolvedValues = resource.SelectNew(searchParameter.Expression);
}
catch// (Exception e)
{
// TODO: log error!
resolvedValues = new List <Base>();
}
foreach (var value in resolvedValues)
{
if (value is not Element element)
{
continue;
}
indexValue.Values.AddRange(_elementIndexer.Map(element));
}
if (indexValue.Values.Any())
{
rootIndexValue.Values.Add(indexValue);
}
}
if (resource is DomainResource domainResource)
{
AddContainedResources(domainResource, rootIndexValue);
}
return(rootIndexValue);
}