#354 Some clean up and show the difference between paid and free a bit more.

feature-toggle/src/main/java/com/iluwatar/featuretoggle/pattern/Service.java

@@ -2,10 +2,9 @@ package com.iluwatar.featuretoggle.pattern;
 
 import com.iluwatar.featuretoggle.user.User;
 
-/**
- * Created by joseph on 26/01/16.
- */
+
 public interface Service {
 
-    public String getWelcomeMessage(User user);
+    String getWelcomeMessage(User user);
+
 }

feature-toggle/src/main/java/com/iluwatar/featuretoggle/pattern/tieredversion/TieredFeatureToggleVersion.java

@@ -4,15 +4,12 @@ import com.iluwatar.featuretoggle.pattern.Service;
 import com.iluwatar.featuretoggle.user.User;
 import com.iluwatar.featuretoggle.user.UserGroup;
 
-/**
- * Created by joseph on 26/01/16.
- */
 public class TieredFeatureToggleVersion implements Service {
 
     @Override
     public String getWelcomeMessage(User user) {
         if(UserGroup.isPaid(user)){
-            return "You're amazing thanks for paying for this awesome software.";
+            return "You're amazing " + user.getName() + ". Thanks for paying for this awesome software.";
         }
 
         return "I suppose you can use this software.";

feature-toggle/src/main/java/com/iluwatar/featuretoggle/user/User.java

@@ -1,7 +1,14 @@
 package com.iluwatar.featuretoggle.user;
 
-/**
- * Created by joseph on 26/01/16.
- */
 public class User {
+
+    private String name;
+
+    public User(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
 }

feature-toggle/src/main/java/com/iluwatar/featuretoggle/user/UserGroup.java

@@ -3,9 +3,6 @@ package com.iluwatar.featuretoggle.user;
 import java.util.ArrayList;
 import java.util.List;
 
-/**
- * Created by joseph on 26/01/16.
- */
 public class UserGroup {
 
     private static List<User> freeGroup = new ArrayList<>();

feature-toggle/src/main/test/com/iluwatar/featuretoggle/pattern/tieredversion/TieredFeatureToggleVersionTest.java

@@ -8,32 +8,29 @@ import org.junit.Test;
 
 import static org.junit.Assert.*;
 
-/**
- * Created by joseph on 26/01/16.
- */
 public class TieredFeatureToggleVersionTest {
 
-    User paidUser = new User();
-    User freeUser = new User();
+    final User paidUser = new User("Jamie Coder");
+    final User freeUser = new User("Alan Defect");
+    final Service service = new TieredFeatureToggleVersion();
 
     @Before
     public void setUp() throws Exception {
         UserGroup.addUserToPaidGroup(paidUser);
         UserGroup.addUserToFreeGroup(freeUser);
-
     }
 
     @Test
     public void testGetWelcomeMessageForPaidUser() throws Exception {
-        Service service = new TieredFeatureToggleVersion();
-        String welcomeMessage = service.getWelcomeMessage(paidUser);
-        assertEquals("You're amazing thanks for paying for this awesome software.",welcomeMessage);
+        final String welcomeMessage = service.getWelcomeMessage(paidUser);
+        final String expected = "You're amazing Jamie Coder. Thanks for paying for this awesome software.";
+        assertEquals(expected,welcomeMessage);
     }
 
     @Test
     public void testGetWelcomeMessageForFreeUser() throws Exception {
-        Service service = new TieredFeatureToggleVersion();
-        String welcomeMessage = service.getWelcomeMessage(freeUser);
-        assertEquals("I suppose you can use this software.",welcomeMessage);
+        final String welcomeMessage = service.getWelcomeMessage(freeUser);
+        final String expected = "I suppose you can use this software.";
+        assertEquals(expected,welcomeMessage);
     }
 }

feature-toggle/src/main/test/com/iluwatar/featuretoggle/user/UserGroupTest.java

@@ -9,28 +9,28 @@ public class UserGroupTest {
 
     @Test
     public void testAddUserToFreeGroup() throws Exception {
-        User user  = new User();
+        User user  = new User("Free User");
         UserGroup.addUserToFreeGroup(user);
         assertFalse(UserGroup.isPaid(user));
     }
 
     @Test
     public void testAddUserToPaidGroup() throws Exception {
-        User user  = new User();
+        User user  = new User("Paid User");
         UserGroup.addUserToPaidGroup(user);
         assertTrue(UserGroup.isPaid(user));
     }
 
     @Test(expected = IllegalArgumentException.class)
     public void testAddUserToPaidWhenOnFree() throws Exception {
-        User user  = new User();
+        User user  = new User("Paid User");
         UserGroup.addUserToFreeGroup(user);
         UserGroup.addUserToPaidGroup(user);
     }
 
     @Test(expected = IllegalArgumentException.class)
     public void testAddUserToFreeWhenOnPaid() throws Exception {
-        User user  = new User();
+        User user  = new User("Free User");
         UserGroup.addUserToPaidGroup(user);
         UserGroup.addUserToFreeGroup(user);
     }