From 9171c39d590b90498ecce1dcdd9d575c053b12c9 Mon Sep 17 00:00:00 2001
From: Paul Robson <paul.robson@validic.com>
Date: Wed, 22 Dec 2021 11:53:24 -0500
Subject: [PATCH] refactor: extract private helper methods

---
 .../terminologies/ConceptMapEngineTest.java   | 43 ++++++++++++-------
 1 file changed, 27 insertions(+), 16 deletions(-)

diff --git a/org.hl7.fhir.r4/src/test/java/org/hl7/fhir/r4/terminologies/ConceptMapEngineTest.java b/org.hl7.fhir.r4/src/test/java/org/hl7/fhir/r4/terminologies/ConceptMapEngineTest.java
index c428d3b0b..bea524f3a 100644
--- a/org.hl7.fhir.r4/src/test/java/org/hl7/fhir/r4/terminologies/ConceptMapEngineTest.java
+++ b/org.hl7.fhir.r4/src/test/java/org/hl7/fhir/r4/terminologies/ConceptMapEngineTest.java
@@ -4,6 +4,7 @@ import org.hl7.fhir.r4.context.SimpleWorkerContext;
 import org.hl7.fhir.r4.model.Coding;
 import org.hl7.fhir.r4.model.ConceptMap;
 import org.hl7.fhir.r4.model.Enumerations;
+import org.jetbrains.annotations.NotNull;
 import org.junit.jupiter.api.Test;
 
 import java.io.IOException;
@@ -14,33 +15,43 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 class ConceptMapEngineTest {
 
   private static final String CONCEPT_MAP_URL = "https://test-fhir.com/ConceptMap/fake";
+  public static final String SOURCE_CODE_STRING = "body-weight";
+  public static final String TARGET_CODE_STRING = "vital-signs";
 
   @Test
   void translate() throws IOException {
+    ConceptMap conceptMap = getConceptMap();
+    ConceptMapEngine conceptMapEngine = getConceptMapEngine(conceptMap);
+    Coding coding = new Coding(null, SOURCE_CODE_STRING, "Body Weight");
+
+    Coding actual = conceptMapEngine.translate(coding, CONCEPT_MAP_URL);
+
+    assertEquals(TARGET_CODE_STRING, actual.getCode());
+  }
+
+  @NotNull
+  private ConceptMapEngine getConceptMapEngine(ConceptMap conceptMap) throws IOException {
+    SimpleWorkerContext simpleWorkerContext = new SimpleWorkerContext();
+    simpleWorkerContext.cacheResource(conceptMap);
+
+    return new ConceptMapEngine(simpleWorkerContext);
+  }
+
+  @NotNull
+  private ConceptMap getConceptMap() {
     ConceptMap.TargetElementComponent targetElementComponent = new ConceptMap.TargetElementComponent();
-    targetElementComponent.setCode("vital-signs");
+    targetElementComponent.setCode(TARGET_CODE_STRING);
     targetElementComponent.setEquivalence(Enumerations.ConceptMapEquivalence.EQUIVALENT);
 
     ConceptMap.SourceElementComponent sourceElementComponent = new ConceptMap.SourceElementComponent();
-    sourceElementComponent.setCode("body-weight");
+    sourceElementComponent.setCode(SOURCE_CODE_STRING);
     sourceElementComponent.setTarget(Collections.singletonList(targetElementComponent));
 
     ConceptMap.ConceptMapGroupComponent conceptMapGroupComponent = new ConceptMap.ConceptMapGroupComponent();
     conceptMapGroupComponent.addElement(sourceElementComponent);
 
-    ConceptMap conceptMap = new ConceptMap();
-    conceptMap.addGroup(conceptMapGroupComponent);
-    conceptMap.setUrl(CONCEPT_MAP_URL);
-
-    SimpleWorkerContext simpleWorkerContext = new SimpleWorkerContext();
-    simpleWorkerContext.cacheResource(conceptMap);
-
-    ConceptMapEngine conceptMapEngine = new ConceptMapEngine(simpleWorkerContext);
-
-    Coding coding = new Coding(null, "body-weight", "Body Weight");
-
-    Coding actual = conceptMapEngine.translate(coding, CONCEPT_MAP_URL);
-
-    assertEquals("vital-signs", actual.getCode());
+    return new ConceptMap()
+      .addGroup(conceptMapGroupComponent)
+      .setUrl(CONCEPT_MAP_URL);
   }
 }