move medicalExam to Score's constructor

Author: kaiosilveira

src/index.js

@@ -1,18 +1,19 @@
 export function score(candidate, medicalExam, scoringGuide) {
-  return new Scorer(candidate).execute(medicalExam, scoringGuide);
+  return new Scorer(candidate, medicalExam).execute(scoringGuide);
 }
 
 export class Scorer {
-  constructor(candidate) {
+  constructor(candidate, medicalExam) {
     this._candidate = candidate;
+    this._medicalExam = medicalExam;
   }
 
-  execute(medicalExam, scoringGuide) {
+  execute(scoringGuide) {
     let result = 0;
     let healthLevel = 0;
     let highMedicalRiskFlag = false;
 
-    if (medicalExam.isSmoker) {
+    if (this._medicalExam.isSmoker) {
       healthLevel += 10;
       highMedicalRiskFlag = true;
     }

src/index.test.js

@@ -40,34 +40,34 @@ describe('Scorer', () => {
     const medicalExam = { isSmoker: false };
     const scoringGuide = { stateWithLowCertification: () => false };
 
-    const scorer = new Scorer(candidate);
-    expect(scorer.execute(medicalExam, scoringGuide)).toBe(0);
+    const scorer = new Scorer(candidate, medicalExam);
+    expect(scorer.execute(scoringGuide)).toBe(0);
   });
 
   it('should return -5 if candidate is not a smoker and has a low certification grade', () => {
     const candidate = { originState: 'FL' };
     const medicalExam = { isSmoker: false };
     const scoringGuide = { stateWithLowCertification: () => true };
 
-    const scorer = new Scorer(candidate);
-    expect(scorer.execute(medicalExam, scoringGuide)).toBe(-5);
+    const scorer = new Scorer(candidate, medicalExam);
+    expect(scorer.execute(scoringGuide)).toBe(-5);
   });
 
   it('should return -5 if candidate is a smoker and has a regular certification grade', () => {
     const candidate = { originState: 'FL' };
     const medicalExam = { isSmoker: true };
     const scoringGuide = { stateWithLowCertification: () => false };
 
-    const scorer = new Scorer(candidate);
-    expect(scorer.execute(medicalExam, scoringGuide)).toBe(-5);
+    const scorer = new Scorer(candidate, medicalExam);
+    expect(scorer.execute(scoringGuide)).toBe(-5);
   });
 
   it('should return -10 if candidate is a smoker and has a low certification grade', () => {
     const candidate = { originState: 'FL' };
     const medicalExam = { isSmoker: true };
     const scoringGuide = { stateWithLowCertification: () => true };
 
-    const scorer = new Scorer(candidate);
-    expect(scorer.execute(medicalExam, scoringGuide)).toBe(-10);
+    const scorer = new Scorer(candidate, medicalExam);
+    expect(scorer.execute(scoringGuide)).toBe(-10);
   });
 });