Lesson 6 in progress

app/src/main/java/com/example/paktalin/agilejava/BasicGradingStrategy.java

@@ -7,10 +7,12 @@ package com.example.paktalin.agilejava;
 class BasicGradingStrategy implements GradingStrategy {
     @Override
     public int getGradePointsFor(Student.Grade grade) {
-        if(grade == Student.Grade.A) return 4;
-        if(grade == Student.Grade.B) return 3;
-        if(grade == Student.Grade.C) return 2;
-        if(grade == Student.Grade.D) return 1;
-        return 0;
+        switch(grade) {
+            case A: return 4;
+            case B: return 3;
+            case C: return 2;
+            case D: return 1;
+            default: return 0;
+        }
     }
 }

app/src/main/java/com/example/paktalin/agilejava/ReportCard.java

+package com.example.paktalin.agilejava;
+
+import java.util.EnumMap;
+import java.util.Map;
+
+/**
+ * Created by Paktalin on 27/05/2018.
+ */
+
+class ReportCard {
+    static final String A_MESSAGE = "Excellent!";
+    static final String B_MESSAGE = "Very good";
+    static final String C_MESSAGE = "Hmmm...";
+    static final String D_MESSAGE = "You're not trying";
+    static final String F_MESSAGE = "Loser";
+
+    private Map<Student.Grade, String> messages = null;
+
+    public String getMessage(Student.Grade grade) {
+        return getMessages().get(grade);
+    }
+
+    private Map<Student.Grade, String> getMessages() {
+        if (messages == null)
+            loadMessages();
+        return messages;
+    }
+
+    private void loadMessages() {
+        messages = new EnumMap<>(Student.Grade.class);
+        messages.put(Student.Grade.A, A_MESSAGE);
+        messages.put(Student.Grade.B, B_MESSAGE);
+        messages.put(Student.Grade.C, C_MESSAGE);
+        messages.put(Student.Grade.D, D_MESSAGE);
+        messages.put(Student.Grade.F, F_MESSAGE);
+    }
+}

app/src/test/java/com/example/paktalin/agilejava/AllTests.java

@@ -15,6 +15,8 @@ public class AllTests extends TestSuite {
         suite.addTestSuite(RosterReporterTest.class);
         suite.addTestSuite(DateUtilTest.class);
         suite.addTestSuite(CourseReportTest.class);
+        suite.addTestSuite(LanguageTests.class);
+        suite.addTestSuite(ReportCardTest.class);
         return suite;
     }
 }

app/src/test/java/com/example/paktalin/agilejava/LanguageTests.java

@@ -55,4 +55,30 @@ public class LanguageTests extends TestCase {
         assertTrue("B".compareTo("A") > 0);
     }
 
+    enum Score {fieldGoal, touchdown, extraPoint, twoPointConversion, safety}
+
+    public void testSwitchResults() {
+        int totalPoints = 0;
+
+        Score score = Score.touchdown;
+
+        switch (score) {
+            case fieldGoal:
+                totalPoints += 3;
+                break;
+            case touchdown:
+                totalPoints += 6;
+                break;
+            case extraPoint:
+                totalPoints += 1;
+                break;
+            case twoPointConversion:
+            case safety:
+                totalPoints += 2;
+                break;
+        }
+        assertEquals(6, totalPoints);
+
+    }
+
 }

app/src/test/java/com/example/paktalin/agilejava/ReportCardTest.java

+package com.example.paktalin.agilejava;
+
+import junit.framework.TestCase;
+
+/**
+ * Created by Paktalin on 27/05/2018.
+ */
+
+public class ReportCardTest extends TestCase {
+    public void testMessage() {
+        ReportCard card = new ReportCard();
+        assertEquals(ReportCard.A_MESSAGE, card.getMessage(Student.Grade.A));
+        assertEquals(ReportCard.B_MESSAGE, card.getMessage(Student.Grade.B));
+        assertEquals(ReportCard.C_MESSAGE, card.getMessage(Student.Grade.C));
+        assertEquals(ReportCard.D_MESSAGE, card.getMessage(Student.Grade.D));
+        assertEquals(ReportCard.F_MESSAGE, card.getMessage(Student.Grade.F));
+    }
+}