Added test for WindCommand

#story[1096]

racevisionGame/src/main/java/mock/model/commandFactory/WindCommand.java

@@ -12,6 +12,8 @@ public class WindCommand implements Command {
     private MockBoat boat;
     private int direction;
 
+    private double offset = 3.0;
+
     public WindCommand(MockRace race, MockBoat boat, boolean upwind) {
         this.race = race;
         this.boat = boat;
@@ -23,7 +25,6 @@ public class WindCommand implements Command {
         double wind = race.getWindDirection().degrees();
         double heading = boat.getBearing().degrees();
 
-        double offset = 3;
         if(wind - heading < 0) offset *= -1 * direction;
         boat.setBearing(Bearing.fromDegrees(heading + offset));
     }

racevisionGame/src/test/java/mock/model/commandFactory/WindCommandTest.java

@@ -1,31 +1,58 @@
 package mock.model.commandFactory;
 
+import mock.model.MockBoat;
 import mock.model.MockRace;
 import network.Messages.Enums.BoatActionEnum;
 import org.junit.Before;
 import org.junit.Test;
+import org.mockito.Mock;
+import shared.model.Bearing;
 import shared.model.Boat;
 import shared.model.Race;
 import visualiser.model.VisualiserRace;
 
+import static org.mockito.Mockito.when;
 import static org.testng.Assert.*;
+import static org.mockito.Mockito.mock;
 
 /**
  * Created by connortaylorbrown on 4/08/17.
  */
 public class WindCommandTest {
-    private Race race;
-    private Boat boat;
+    private MockRace race;
+    private MockBoat boat;
     private Command upwind;
     private Command downwind;
+    private double initial;
+
+    private double offset = 3.0;
 
     @Before
     public void setUp() {
-        boat = new Boat(0, "Bob", "NZ");
+        race = mock(MockRace.class);
+        boat = new MockBoat(0, "Bob", "NZ", null);
+
+        when(race.getWindDirection()).thenReturn(Bearing.fromDegrees(0.0));
+        boat.setBearing(Bearing.fromDegrees(45.0));
+
+        upwind = CommandFactory.createCommand(race, boat, BoatActionEnum.UPWIND);
+        downwind = CommandFactory.createCommand(race, boat, BoatActionEnum.DOWNWIND);
+
+        initial = boat.getBearing().degrees();
     }
 
+    /**
+     * Ensure the difference between initial and final angle is 3 degrees
+     */
     @Test
     public void upwindCommandDecreasesAngle() {
+        upwind.execute();
+        assertEquals(initial - boat.getBearing().degrees(), offset, 1e-5);
+    }
 
+    @Test
+    public void downwindCommandIncreasesAngle() {
+        downwind.execute();
+        assertEquals(boat.getBearing().degrees() - initial, offset, 1e-5);
     }
 }