build.gradle

@@ -29,6 +29,7 @@ dependencies {
 
     // beryx uses SLF4J. To remove warning, we add the implementation "no operation"
     implementation 'org.slf4j:slf4j-nop:2.+'
+    implementation 'junit:junit:4.13.1'
 
     // Use JUnit Jupiter API for testing.
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.2'

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

@@ -63,6 +63,7 @@ public class Track implements TrackSpecification {
     // TODO: Add necessary variables
     private List<String> track;
     private List<Car> cars;
+    private List<PositionVector> finishLine;
 
     /**
      * Initialize a Track from the given track file.
@@ -75,10 +76,10 @@ public class Track implements TrackSpecification {
         // TODO:
         track = new ArrayList<>();
         cars = new ArrayList<>();
+        finishLine = new ArrayList<>();
         readFile(trackFile);
-
+        findFinish();
-        //TODO: throw error again...
+        addCar();
-        //throw new UnsupportedOperationException();    // was allready in !!
     }
 
     /**
@@ -94,25 +95,56 @@ public class Track implements TrackSpecification {
         }
     }
 
-    public void addCar() {
+    //TODO: MAKE PRIVATE
+    public void addCar() throws InvalidTrackFormatException {
         ConfigSpecification.SpaceType[] spaceTypes = ConfigSpecification.SpaceType.values();
-        ArrayList<Character> allSpaceTypesAsChar = new ArrayList<>();
+        List<Character> allSpaceTypesAsChar = new ArrayList<>();
+        List<Character> usedSymbolForCar = new ArrayList<>();
 
         for (ConfigSpecification.SpaceType spaceType : spaceTypes) {
             allSpaceTypesAsChar.add(spaceType.getValue());
         }
 
 
-        for (String line : track) {
+        for (int j = 0; j < track.size(); j++) {
+            String line = track.get(j);
             for (int i = 0; i < line.length(); i++) {
-                if (!allSpaceTypesAsChar.contains(line.charAt(i))) {
+                char possibleCarChar = line.charAt(i);
-                    //TODO: CREATE CAR - ADD IT TO CARS - BUT CHECK THAT Symbol is not allready used for another car?
+                if (!allSpaceTypesAsChar.contains(possibleCarChar)) {
+                    if (usedSymbolForCar.contains(possibleCarChar)) {
+                        throw new InvalidTrackFormatException();
+                    }
+                    usedSymbolForCar.add(possibleCarChar);
+                    cars.add(new Car(possibleCarChar, new PositionVector(i, j)));
                 }
             }
         }
 
     }
 
+    private void findFinish() throws InvalidTrackFormatException {
+        for (int i = 0; i < track.size(); i++) {
+            String line = track.get(i);
+            for (int j = 0; j < line.length(); j++) {
+                if (line.charAt(j) == ConfigSpecification.SpaceType.FINISH_LEFT.getValue() ||
+                    line.charAt(j) == ConfigSpecification.SpaceType.FINISH_RIGHT.getValue() ||
+                    line.charAt(j) == ConfigSpecification.SpaceType.FINISH_DOWN.getValue() ||
+                    line.charAt(j) == ConfigSpecification.SpaceType.FINISH_UP.getValue()) {
+                    finishLine.add(new PositionVector(j, i));
+                }
+            }
+        }
+        if (finishLine.size() == 0) {
+            throw new InvalidTrackFormatException();
+        }
+        ConfigSpecification.SpaceType finishTyp = getSpaceType(finishLine.get(0));
+        for (PositionVector positionVector : finishLine) {
+            if (getSpaceType(positionVector) != finishTyp) {
+                throw new InvalidTrackFormatException();
+            }
+        }
+    }
+
     private PositionVector findChar(char symbol) {
         PositionVector vector = null;
         for (int i = 0; i < track.size(); i++) {
@@ -126,11 +158,21 @@ public class Track implements TrackSpecification {
         return vector;
     }
 
-    private void findFinish() {
+    /**
-        //TODO:
+     *
-
+     * @return all Cars
+     */
+    public List<Car> getCars() {
+        return cars;
     }
 
+    /**
+     *
+     * @return finishLine
+     */
+    public List<PositionVector> getFinishLine() {
+        return finishLine;
+    }
 
     /**
      * @return the track
@@ -148,7 +190,8 @@ public class Track implements TrackSpecification {
      */
     @Override
     public Config.SpaceType getSpaceType(PositionVector position) {
-        // TODO: implementation // Done first tests passed but what to do with error
+
+        //TODO: RETURN NULL OR CUSTOM ERROR?
         char charAtPosition = track.get(position.getY()).charAt(position.getX());
 
         ConfigSpecification.SpaceType[] spaceTypes = ConfigSpecification.SpaceType.values();
@@ -158,7 +201,7 @@ public class Track implements TrackSpecification {
             }
         }
 
-        throw new UnsupportedOperationException();
+        return null;
     }
 
     /**
@@ -168,9 +211,7 @@ public class Track implements TrackSpecification {
      */
     @Override
     public int getCarCount() {
-        // TODO: error???
         return cars.size();
-        //throw new UnsupportedOperationException();
     }
 
     /**
@@ -181,9 +222,7 @@ public class Track implements TrackSpecification {
      */
     @Override
     public Car getCar(int carIndex) {
-        // TODO: error???
         return cars.get(carIndex);
-        //throw new UnsupportedOperationException();
     }
 
     /**
@@ -194,27 +233,20 @@ public class Track implements TrackSpecification {
      */
     @Override
     public char getCarId(int carIndex) {
-        // TODO: error???
+        return cars.get(carIndex).getId();
-        return cars.get(carIndex).getID();
-        //throw new UnsupportedOperationException();
     }
 
     /**
      * Get the position of the specified car.
+     * Returns Null if carIndex not valid
      *
      * @param carIndex The zero-based carIndex number
      * @return A PositionVector containing the car's current position
      */
     @Override
     public PositionVector getCarPos(int carIndex) {
-        // TODO: nextPosition or Position of Trackfile?
+        return findChar(cars.get(carIndex).getId());
-        //Alternative 1
+        //TODO: SHOULD WE GET CAR POSITION FROM TRACK STRING OR CAR OBJ
-        return cars.get(carIndex).nextPosition();
-
-        //Alternative 2 //NULL aussschliessen falls umgesetzt.
-        return findChar(cars.get(carIndex).getID());
-
-        //throw new UnsupportedOperationException();
     }
 
     /**
@@ -225,9 +257,7 @@ public class Track implements TrackSpecification {
      */
     @Override
     public PositionVector getCarVelocity(int carIndex) {
-        // TODO: error???
         return cars.get(carIndex).getVelocity();
-        //throw new UnsupportedOperationException();
     }
 
     /**
@@ -252,12 +282,10 @@ public class Track implements TrackSpecification {
      */
     @Override
     public String toString() {
-        // TODO: error???
         String str = "";
         for (String line : track) {
             str += line + "\n";
         }
         return str;
-        //throw new UnsupportedOperationException();
     }
 }

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

@@ -1,14 +1,17 @@
 package ch.zhaw.pm2.racetrack;
 
 import ch.zhaw.pm2.racetrack.given.ConfigSpecification;
+import org.junit.Before;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import java.io.File;
 import java.io.FileNotFoundException;
+import java.util.ArrayList;
 import java.util.List;
 
+
 public class TrackTest {
     Track trackObj;
 
@@ -45,7 +48,31 @@ public class TrackTest {
     //TODO:
     @Test
     void addCarAtInit() {
+        try {
             trackObj.addCar();
+        } catch (InvalidTrackFormatException e) {
+            e.printStackTrace();
+        }
 
     }
+
+    @Test
+    void findFinish() {
+        List<PositionVector> expected = new ArrayList<>();
+        expected.add(new PositionVector(22,22));
+        expected.add(new PositionVector(22,23));
+        expected.add(new PositionVector(22,24));
+        Assertions.assertEquals(expected,trackObj.getFinishLine());
+    }
+
+    @Test
+    void makeTrackObj() {
+        try {
+            Track t1 = new Track(new File("C:\\Studium\\Semester2\\PM2\\Projekt1\\racetrack\\tracks\\challenge.txt"));
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (InvalidTrackFormatException e) {
+            e.printStackTrace();
+        }
+    }
 }