src/main/java/ch/zhaw/pm2/racetrack/Game.java

@@ -18,7 +18,7 @@ import static ch.zhaw.pm2.racetrack.PositionVector.Direction;
 public class Game implements GameSpecification {
     public static final int NO_WINNER = -1;
     private Track track;
-    int currentCarIndex;
+    private int currentCarIndex;
 
     UserInterface userInterface;
 
@@ -27,7 +27,7 @@ public class Game implements GameSpecification {
     }
 
 
-    public boolean initPhase() throws InvalidTrackFormatException, FileNotFoundException {
+    public boolean initPhase() throws InvalidTrackFormatException {
         File folder = new File("tracks");
         File[] listOfFiles = folder.listFiles();
         if (listOfFiles.length > 0) {
@@ -36,39 +36,37 @@ public class Game implements GameSpecification {
                 tracks.add(file.getName());
             }
             File selectedTrack = listOfFiles[userInterface.selectOption("Select Track file", tracks)];
-            try {
-                track = new Track(selectedTrack);
-            } catch (FileNotFoundException | PositionVectorNotValid e) {
-                e.printStackTrace();
-            }
+            selectTrack(selectedTrack);
             List<String> moveStrategies = new ArrayList<>();
             moveStrategies.add("Do not move Strategy");
             moveStrategies.add("User Move Strategy");
             moveStrategies.add("Move List Strategy");
             moveStrategies.add("Path Follow Move Strategy");
             for (int i = 0; i < track.getCarCount(); i++) {
-                while(track.getCar(i).getMoveStrategy() == null) {
+                Car car = track.getCar(i);
+                while (car.getMoveStrategy() == null) {
                     int moveStrategie = userInterface.selectOption(
                         "Select Strategy for Car " + i + " (" + track.getCarId(i) + ")", moveStrategies);
                     switch (moveStrategie + 1) {
                         case 1:
-                            track.getCar(i).setMoveStrategy(new DoNotMoveStrategy());
+                            selectMoveStrategy(car, new DoNotMoveStrategy());
                             break;
                         case 2:
-                            track.getCar(i).setMoveStrategy(new UserMoveStrategy(userInterface, i, track.getCarId(i)));
+                            selectMoveStrategy(car, new UserMoveStrategy(userInterface, i, track.getCarId(i)));
                             break;
                         case 3:
                             String path = ".\\moves\\" + selectedTrack.getName().split("\\.")[0] + "-car-" + track.getCar(i).getID() + ".txt";
                             try {
                                 MoveStrategy moveStrategy = new MoveListStrategy(path);
-                                track.getCar(i).setMoveStrategy(moveStrategy);
+                                selectMoveStrategy(car, moveStrategy);
                             } catch (FileNotFoundException e) {
                                 userInterface.printInformation("There is no MoveList implemented. Choose another Strategy!");
                             }
                             //TODO: Backslash kompatibel für Linux
                             break;
                         case 4:
-                            track.getCar(i).setMoveStrategy(new PathFollowerMoveStrategy()); //TODO: add Arguments
+                            //TODO: add Arguments
+                            selectMoveStrategy(car, new PathFollowerMoveStrategy());
                             break;
                     }
                 }
@@ -80,6 +78,31 @@ public class Game implements GameSpecification {
         }
     }
 
+    /**
+     * The functionality was taken out of init to automate testing
+     *
+     * @param selectedTrack
+     */
+    Track selectTrack(File selectedTrack) {
+        try {
+            track = new Track(selectedTrack);
+            return track;
+        } catch (FileNotFoundException | PositionVectorNotValid | InvalidTrackFormatException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * The functionality was taken out of init to automate testing
+     *
+     * @param car      to set the MoveStrategy
+     * @param strategy The movestrategy to set
+     */
+    void selectMoveStrategy(Car car, MoveStrategy strategy) {
+        car.setMoveStrategy(strategy);
+    }
+
     /**
      * Return the index of the current active car.
      * Car indexes are zero-based, so the first car is 0, and the last car is getCarCount() - 1.
@@ -115,6 +138,7 @@ public class Game implements GameSpecification {
 
     /**
      * Get the velocity of the specified car.
+     *
      * @param carIndex The zero-based carIndex number
      * @return A PositionVector containing the car's current velocity
      */
@@ -192,15 +216,16 @@ public class Game implements GameSpecification {
     }
 
     public String gamePhase() throws PositionVectorNotValid {
-        while (CarsMoving() && getWinner() == NO_WINNER) {
+        while (carsMoving() && getWinner() == NO_WINNER) {
             userInterface.printTrack(track);
-            Direction direction = null;
+            Direction direction;
             direction = track.getCar(currentCarIndex).getMoveStrategy().nextMove();
             if (direction == null) {
                 track.getCar(currentCarIndex).setMoveStrategy(new DoNotMoveStrategy());
-                direction= track.getCar(currentCarIndex).getMoveStrategy().nextMove();
-            }
+                direction = track.getCar(currentCarIndex).getMoveStrategy().nextMove(); //TODO: Entfernen?
+            }else {
                 doCarTurn(direction);
+            }
             switchToNextActiveCar();
         }
         userInterface.printTrack(track);
@@ -302,8 +327,7 @@ public class Game implements GameSpecification {
     private void calculateWinner(PositionVector start, PositionVector finish, int carIndex) {
         List<PositionVector> path = calculatePath(start, finish);
         for (PositionVector point : path) {
-            if (track.getSpaceType(point) != null)
-                {
+            if (track.getSpaceType(point) != null) {
                 switch (track.getSpaceType(point)) {
                     case FINISH_UP:
                         if (start.getY() < finish.getY()) {
@@ -342,6 +366,7 @@ public class Game implements GameSpecification {
 
     /**
      * Does indicate if a car would have a crash with a WALL space or another car at the given position.
+     *
      * @param carIndex The zero-based carIndex number
      * @param position A PositionVector of the possible crash position
      * @return A boolean indicator if the car would crash with a WALL or another car.
@@ -361,7 +386,7 @@ public class Game implements GameSpecification {
         return !(carsLeft > 1);
     }
 
-    public boolean CarsMoving() {
+    public boolean carsMoving() {
         for (int carIndex = 0; carIndex < track.getCarCount(); carIndex++) {
             if (!(track.getCar(carIndex).isCrashed() || track.getCar(carIndex).getMoveStrategy().getClass() == DoNotMoveStrategy.class)) {
                 return true;

src/main/java/ch/zhaw/pm2/racetrack/Main.java

@@ -6,7 +6,7 @@ import java.util.List;
 
 public class Main {
 
-    public static void main(String[] args) throws InvalidTrackFormatException, FileNotFoundException, PositionVectorNotValid {
+    public static void main(String[] args) throws InvalidTrackFormatException, PositionVectorNotValid {
         UserInterface userInterface = new UserInterface("Hello and Welcome to Racetrack by Team02-\"AngryNerds\"");
         while (true) {
             Game game = new Game(userInterface);

src/test/java/ch/zhaw/pm2/racetrack/GameTest.java

@@ -0,0 +1,104 @@
+package ch.zhaw.pm2.racetrack;
+
+import ch.zhaw.pm2.racetrack.strategy.UserMoveStrategy;
+import org.junit.jupiter.api.*;
+
+import java.io.File;
+
+import static ch.zhaw.pm2.racetrack.Game.NO_WINNER;
+
+class GameTest {
+    private UserInterface userInterface;
+    private Game game;
+    private Track track;
+
+    @Nested
+    @DisplayName("Test correct Setup")
+    class Setup {
+        @BeforeEach
+        void setup() {
+            userInterface = new UserInterface("Test");
+            game = new Game(userInterface);
+            track = game.selectTrack(new File(".\\tracks\\challenge.txt"));
+            game.selectMoveStrategy(track.getCar(0),new UserMoveStrategy(new UserInterface("Testing"),0, track.getCarId(0)));
+            game.selectMoveStrategy(track.getCar(1),new UserMoveStrategy(new UserInterface("Testing"),1, track.getCarId(1)));
+
+        }
+
+
+        @Test
+        void getCurrentCarIndex() {
+            Assertions.assertEquals(0,game.getCurrentCarIndex());
+            game.switchToNextActiveCar();
+            Assertions.assertEquals(1,game.getCurrentCarIndex());
+        }
+
+        @Test
+        void getCarId() {
+            Assertions.assertEquals('a',game.getCarId(0));
+            Assertions.assertEquals('b',game.getCarId(1));
+        }
+
+        @Test
+        void getCarPosition() {
+            Assertions.assertEquals(new PositionVector(24,22),game.getCarPosition(0));
+            Assertions.assertEquals(new PositionVector(24,24),game.getCarPosition(1));
+        }
+
+        @Test
+        void getCarVelocity() {
+            Assertions.assertEquals(new PositionVector(0,0),game.getCarVelocity(0));
+            Assertions.assertEquals(new PositionVector(0,0),game.getCarVelocity(1));
+        }
+
+        @Test
+        void getWinner() {
+            Assertions.assertEquals(NO_WINNER,game.getWinner());
+        }
+
+        @Test
+        void onlyOneCarLeft() {
+            Assertions.assertFalse(game.onlyOneCarLeft());
+        }
+
+        @Test
+        void carsMoving() {
+            Assertions.assertTrue(game.carsMoving());
+        }
+    }
+
+    @Nested
+    @DisplayName("Basic manipulation")
+    class manipulation {
+        @BeforeEach
+        void setup() {
+            userInterface = new UserInterface("Test");
+            game = new Game(userInterface);
+            track = game.selectTrack(new File(".\\tracks\\challenge.txt"));
+            game.selectMoveStrategy(track.getCar(0),new UserMoveStrategy(new UserInterface("Testing"),0, track.getCarId(0)));
+            game.selectMoveStrategy(track.getCar(1),new UserMoveStrategy(new UserInterface("Testing"),1, track.getCarId(1)));
+
+        }
+
+        @Test
+        void carTurnCorrect() {
+            try {
+                game.doCarTurn(PositionVector.Direction.RIGHT);
+                Assertions.assertEquals(new PositionVector(1,0),game.getCarVelocity(0));
+            } catch (PositionVectorNotValid positionVectorNotValid) {
+                positionVectorNotValid.printStackTrace();
+            }
+        }
+
+        @Test
+        void carCrash() {
+            try {
+                game.doCarTurn(PositionVector.Direction.UP);
+                Assertions.assertTrue(game.onlyOneCarLeft());
+            } catch (PositionVectorNotValid positionVectorNotValid) {
+                positionVectorNotValid.printStackTrace();
+            }
+        }
+
+    }
+}