resource reference info tests added

hapi-fhir-structures-dstu3/src/test/java/ca/uhn/fhir/util/ResourceReferenceInfoTest.java

@@ -0,0 +1,48 @@
+package ca.uhn.fhir.util;
+
+import ca.uhn.fhir.context.FhirContext;
+import ca.uhn.fhir.model.api.Include;
+import org.hl7.fhir.dstu3.model.Patient;
+import org.hl7.fhir.dstu3.model.Reference;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class ResourceReferenceInfoTest {
+
+	private ResourceReferenceInfo resourceReferenceInfo;
+
+	private final FhirContext fhirContext = FhirContext.forDstu3();
+
+	@BeforeEach
+	public void setUp() {
+        Reference theElement = new Reference()
+                .setReference("Practitioner/123")
+                .setDisplay("Test Practitioner");
+
+        Patient theOwningResource = new Patient()
+                .addGeneralPractitioner(theElement);
+
+		  resourceReferenceInfo =
+			  new ResourceReferenceInfo(fhirContext, theOwningResource, List.of("generalPractitioner"), theElement);
+	}
+
+	@Test
+	public void matchesInclude_hasTargetResourceType_matched() {
+		assertTrue(resourceReferenceInfo.matchesInclude(new Include("Patient:general-practitioner:Practitioner")));
+	}
+
+	@Test
+	public void matchesInclude_hasNotTargetResourceType_matched() {
+		assertTrue(resourceReferenceInfo.matchesInclude(new Include("Patient:general-practitioner")));
+	}
+
+	@Test
+	public void matchesInclude_hasDifferentTargetResourceType_notMatched() {
+		assertFalse(resourceReferenceInfo.matchesInclude(new Include("Patient:general-practitioner:Organization")));
+	}
+}