public void ScanThroughSingle()
{
var xmlPatient = Path.Combine(Directory.GetCurrentDirectory(), @"TestData\fp-test-patient.xml");
using (var stream = XmlNavigatorStream.FromPath(xmlPatient))
{
Assert.IsFalse(stream.IsBundle);
Assert.AreEqual("Patient", stream.ResourceType);
Assert.IsNull(stream.Current);
Assert.IsTrue(stream.MoveNext());
Assert.AreEqual("http://example.org/Patient/pat1", stream.Position);
var current = stream.Position;
var nav = stream.Current;
Assert.IsTrue(nav.MoveToFirstChild("gender"));
Assert.AreEqual("male", nav.Value);
stream.Reset();
stream.Seek(current);
Assert.AreEqual("http://example.org/Patient/pat1", stream.Position);
Assert.IsFalse(stream.MoveNext());
Assert.AreEqual("http://example.org/Patient/pat1", stream.Position);
}
}
public void NavigateZipStream()
{
// Use XmlNavigatorStream to navigate resources stored inside a zip file
// ZipDeflateStream does not support seeking (forward-only stream)
// Therefore this only works for the XmlNavigatorStream, as the ctor does NOT (need to) call Reset()
// JsonNavigatorStream cannot support zip streams; ctor needs to call Reset after scanning resourceType
using (var archive = ZipFile.Open(ZipSource.SpecificationZipFileName, ZipArchiveMode.Read))
{
var entry = archive.Entries.FirstOrDefault(e => e.Name == "profiles-resources.xml");
Assert.IsNotNull(entry);
using (var entryStream = entry.Open())
{
using (var navStream = new XmlNavigatorStream(entryStream, false))
{
while (navStream.MoveNext())
{
//Debug.WriteLine($"{navStream.Position} : {navStream.ResourceType} {(navStream.IsBundle ? "(Bundle)" : "")}");
Assert.IsTrue(navStream.IsBundle);
Assert.AreEqual(ResourceType.Bundle.GetLiteral(), navStream.ResourceType);
Assert.IsInstanceOfType(navStream.Current, typeof(XmlDomFhirNavigator));
}
;
}
}
}
}
public void ScanThroughSingle()
{
var xmlPatient = Path.Combine(Directory.GetCurrentDirectory(), Path.Combine("TestData", "fp-test-patient.xml"));
using (var stream = XmlNavigatorStream.FromPath(xmlPatient))
{
Assert.IsFalse(stream.IsBundle);
Assert.AreEqual("Patient", stream.ResourceType);
Assert.IsNull(stream.Current);
Assert.IsTrue(stream.MoveNext());
Assert.AreEqual("http://example.org/Patient/pat1", stream.Position);
var current = stream.Position;
var child = stream.Current.Children("gender").FirstOrDefault();
Assert.IsNotNull(child);
Assert.AreEqual("male", child.Text);
stream.Reset();
stream.Seek(current);
Assert.AreEqual("http://example.org/Patient/pat1", stream.Position);
Assert.IsFalse(stream.MoveNext());
Assert.AreEqual("http://example.org/Patient/pat1", stream.Position);
}
}
public void ReadCrap()
{
// Try a random other xml file
var xmlfile = Path.Combine(Directory.GetCurrentDirectory(), @"TestData\source-test\books.xml");
using (var stream = XmlNavigatorStream.FromPath(xmlfile))
{
Assert.IsNull(stream.ResourceType);
Assert.IsFalse(stream.MoveNext());
}
}
public void TestLoadResourceFromZipStream()
{
// Harvest summaries and load artifact straight from core ZIP archive
// Use XmlNavigatorStream to navigate resources stored inside a zip file
// ZipDeflateStream does not support seeking (forward-only stream)
// Therefore this only works for the XmlNavigatorStream, as the ctor does NOT (need to) call Reset()
// JsonNavigatorStream cannot support zip streams; ctor needs to call Reset after scanning resourceType
ArtifactSummary corePatientSummary;
var corePatientUrl = ModelInfo.CanonicalUriForFhirCoreType(FHIRDefinedType.Patient);
string zipEntryName = "profiles-resources.xml";
// Generate summaries from core ZIP resource definitions (extract in memory)
using (var archive = ZipFile.Open(ZipSource.SpecificationZipFileName, ZipArchiveMode.Read))
{
var entry = archive.Entries.FirstOrDefault(e => e.Name == zipEntryName);
Assert.IsNotNull(entry);
using (var entryStream = entry.Open())
using (var navStream = new XmlNavigatorStream(entryStream))
{
var summaries = ArtifactSummaryGenerator.Default.Generate(navStream);
Assert.IsNotNull(summaries);
corePatientSummary = summaries.FindConformanceResources(corePatientUrl).FirstOrDefault();
}
}
Assert.IsNotNull(corePatientSummary);
Assert.AreEqual(ResourceType.StructureDefinition, corePatientSummary.ResourceType);
Assert.AreEqual(corePatientUrl, corePatientSummary.GetConformanceCanonicalUrl());
// Load core Patient resource from ZIP (extract in memory)
using (var archive = ZipFile.Open(ZipSource.SpecificationZipFileName, ZipArchiveMode.Read))
{
var entry = archive.Entries.FirstOrDefault(e => e.Name == zipEntryName);
using (var entryStream = entry.Open())
using (var navStream = new XmlNavigatorStream(entryStream))
{
var nav = navStream.Current;
if (nav != null)
{
// Parse target resource from navigator
var parser = new BaseFhirParser();
var corePatient = parser.Parse <StructureDefinition>(nav);
Assert.IsNotNull(corePatient);
Assert.AreEqual(corePatientUrl, corePatient.Url);
}
}
}
}
public void ScanPerformance()
{
var xmlBundle = Path.Combine(Directory.GetCurrentDirectory(), @"TestData\profiles-types.xml");
var sw = new Stopwatch();
sw.Start();
for (int i = 0; i < 250; i++)
{
using (var stream = XmlNavigatorStream.FromPath(xmlBundle))
{
Assert.IsTrue(stream.MoveNext("http://hl7.org/fhir/StructureDefinition/Age"));
}
}
sw.Stop();
Debug.WriteLine($"Scanning took {sw.ElapsedMilliseconds / 250} ms");
}
public void ScanThroughBundle()
{
var xmlBundle = Path.Combine(Directory.GetCurrentDirectory(), @"TestData\profiles-types.xml");
using (var stream = XmlNavigatorStream.FromPath(xmlBundle))
{
Assert.IsTrue(stream.IsBundle);
Assert.IsNull(stream.Current);
Assert.IsTrue(stream.MoveNext());
Assert.IsTrue(stream.MoveNext());
Assert.AreEqual("http://hl7.org/fhir/StructureDefinition/dateTime", stream.Position);
var nav = stream.Current;
Assert.IsTrue(nav.MoveToFirstChild("name"));
Assert.AreEqual("dateTime", nav.Value);
var current = stream.Position;
Assert.IsTrue(stream.MoveNext());
Assert.IsTrue(stream.MoveNext());
Assert.AreEqual("http://hl7.org/fhir/StructureDefinition/string", stream.Position);
stream.Seek(current);
Assert.AreEqual("http://hl7.org/fhir/StructureDefinition/dateTime", stream.Position);
stream.Reset();
Assert.IsTrue(stream.MoveNext());
Assert.AreEqual("http://hl7.org/fhir/StructureDefinition/date", stream.Position);
while (stream.MoveNext())
{
; // read to end
}
Assert.AreEqual("http://hl7.org/fhir/StructureDefinition/Age", stream.Position);
// Reading past end does not change position
Assert.IsFalse(stream.MoveNext());
Assert.AreEqual("http://hl7.org/fhir/StructureDefinition/Age", stream.Position);
}
}
