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team02-AngryNerds-projekt1-racetrack
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Track feature #21

Merged
fassband merged 9 commits from track-feature into main 2022-03-11 18:41:11 +01:00
Conversation 0 Commits 9 Files Changed 6 +223 -81
4 changed files with 223 additions and 81 deletions
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9
src/main/java/ch/zhaw/pm2/racetrack/PositionVectorNotValid.java Normal file
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@ -0,0 +1,9 @@
package ch.zhaw.pm2.racetrack;
public class PositionVectorNotValid extends Throwable {
public PositionVectorNotValid(String message) {
super(message);
}
public PositionVectorNotValid() {}
}

62
src/main/java/ch/zhaw/pm2/racetrack/Track.java
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@ -6,7 +6,6 @@ import ch.zhaw.pm2.racetrack.given.TrackSpecification;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
@ -59,11 +58,9 @@ import java.util.Scanner;
public class Track implements TrackSpecification {
public static final char CRASH_INDICATOR = 'X';
// TODO: Add necessary variables
private List<String> track;
private List<Car> cars;
private List<PositionVector> finishLine;
private final List<PositionVector> finishLine;
/**
* Initialize a Track from the given track file.
@ -72,7 +69,7 @@ public class Track implements TrackSpecification {
* @throws FileNotFoundException if the given track file could not be found
* @throws InvalidTrackFormatException if the track file contains invalid data (no tracklines, ...)
*/
public Track(File trackFile) throws FileNotFoundException, InvalidTrackFormatException {
public Track(File trackFile) throws FileNotFoundException, InvalidTrackFormatException, PositionVectorNotValid {
track = new ArrayList<>();
cars = new ArrayList<>();
finishLine = new ArrayList<>();
@ -159,8 +156,17 @@ public class Track implements TrackSpecification {
private void drawCharOnTrackIndicator(PositionVector positionVector, char symbol) {
String line = track.get(positionVector.getY());
line = line.substring(0,positionVector.getX()) + symbol + line.substring(positionVector.getX()+1);
track.add(positionVector.getY(),line);
line = line.substring(0, positionVector.getX()) + symbol + line.substring(positionVector.getX() + 1);
track.remove(positionVector.getY());
track.add(positionVector.getY(), line);
}
private void isPositionVectorOnTrack(PositionVector positionVector) throws PositionVectorNotValid {
try{
track.get(positionVector.getY()).charAt(positionVector.getX());
}catch (IndexOutOfBoundsException e) {
throw new PositionVectorNotValid();
}
}
/**
@ -187,6 +193,7 @@ public class Track implements TrackSpecification {
/**
* This Method will update the Car on the track
* and will make the Car move to the next position
*
* @param carIndex representing the current Car
*/
public void moveCar(int carIndex) {
@ -197,38 +204,43 @@ public class Track implements TrackSpecification {
/**
* This class does change the Position of the car only in the track.
* @param carIndex
*
* @param carIndex of the current car
*/
private void makeCarMoveInTrack(int carIndex) {
PositionVector positionVector = findChar(getCarId(carIndex));
//Removes the Car at Current Pos
drawCharOnTrackIndicator(positionVector,ConfigSpecification.SpaceType.TRACK.getValue());
drawCharOnTrackIndicator(positionVector, ConfigSpecification.SpaceType.TRACK.getValue());
//Adds Car at new Position
positionVector = cars.get(carIndex).nextPosition();
drawCharOnTrackIndicator(positionVector,cars.get(carIndex).getID());
drawCharOnTrackIndicator(positionVector, cars.get(carIndex).getID());
}
/**
* This Method will check if the Car could crash at the specific position
*
* @param positionVector the position to check if the car could crash
* @return true if car would crash. Else false.
*/
public boolean willCrashAtPosition(PositionVector positionVector) {
public boolean willCrashAtPosition(int carIndex, PositionVector positionVector) throws PositionVectorNotValid {
isPositionVectorOnTrack(positionVector);
char charAtPosition = track.get(positionVector.getY()).charAt(positionVector.getX());
return charAtPosition != ConfigSpecification.SpaceType.TRACK.value;
if (getCarId(carIndex) == charAtPosition) return false;
return (charAtPosition == ConfigSpecification.SpaceType.WALL.value);
}
/**
* This Method will make the Car Crash. In Track and in the Car Object
*
* @param carIndex representing current Car
* @param positionVector where the Crash did happen
*/
public void carDoesCrash(int carIndex,PositionVector positionVector) {
public void carDoesCrash(int carIndex, PositionVector positionVector) throws PositionVectorNotValid{
isPositionVectorOnTrack(positionVector);
Car car = cars.get(carIndex);
car.crash();
makeCarMoveInTrack(carIndex);
drawCharOnTrackIndicator(new PositionVector(positionVector.getX()+1,positionVector.getY()),CRASH_INDICATOR);
car.setPosition(positionVector);
drawCharOnTrackIndicator(new PositionVector(positionVector.getX(), positionVector.getY()), CRASH_INDICATOR);
}
/**
@ -240,9 +252,8 @@ public class Track implements TrackSpecification {
*/
@Override
public Config.SpaceType getSpaceType(PositionVector position) {
//isPositionVectorOnTrack(position); Should be used but we are not allowed to change method head. We don't use function anyway
char charAtPosition = track.get(position.getY()).charAt(position.getX());
ConfigSpecification.SpaceType[] spaceTypes = ConfigSpecification.SpaceType.values();
for (ConfigSpecification.SpaceType spaceType : spaceTypes) {
if (spaceType.getValue() == charAtPosition) {
@ -320,14 +331,13 @@ public class Track implements TrackSpecification {
@Override
public char getCharAtPosition(int y, int x, Config.SpaceType currentSpace) {
char charAtPos = track.get(y).charAt(x);
PositionVector positionVector = new PositionVector(x, y);
for (Car car : cars) {
if(charAtPos == car.getID()) {
if(car.isCrashed()) {
return CRASH_INDICATOR;
}
if (charAtPos == car.getID()) {
return charAtPos;
}
}
if (positionVector.equals(findChar(CRASH_INDICATOR))) return CRASH_INDICATOR;
return currentSpace.getValue();
}
@ -338,10 +348,8 @@ public class Track implements TrackSpecification {
*/
@Override
public String toString() {
String str = "";
for (String line : track) {
str += line + "\n";
}
return str;
StringBuilder str = new StringBuilder();
for (String line : track) str.append(line).append("\n");
return str.toString();
}
}

26
src/test/InvalidTracks/sameCar.txt Normal file
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@ -0,0 +1,26 @@
###############################################################
################# #############
############### ###########
############### #########
############### ################## #########
############### #################### #########
############## ##################### #########
############ ###################### ##########
######### ###################### ############
######### ###################### ##############
######### ##################### ################
######### ################# ##################
######### ################ ##################
########## ################## ###############
########### #################### #############
########### ####################### ##########
########## ########################## #########
######### ############################ ########
######## ############################# ########
####### ############################## ########
###### ############################# ########
###### ############################ #########
###### > a ###########
###### > a ##############
######## > b #################
###############################################################

175
src/test/java/ch/zhaw/pm2/racetrack/TrackTest.java
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@ -1,10 +1,7 @@
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 org.junit.jupiter.api.*;
import java.io.File;
import java.io.FileNotFoundException;
@ -15,64 +12,166 @@ import java.util.List;
public class TrackTest {
Track trackObj;
@Nested
@DisplayName("Positiv Test Cases")
class positivClass {
@BeforeEach
void setup() {
File file = new File("C:\\Studium\\Semester2\\PM2\\Projekt1\\racetrack\\tracks\\challenge.txt");
File file = new File(".\\tracks\\challenge.txt");
try {
trackObj = new Track(file);
} catch (Exception e) {
} catch (Exception | PositionVectorNotValid e) {
System.err.println("Error in Test compareTrack" + e.getMessage());
}
}
@Test
void canReadFile() {
File file = new File("C:\\Studium\\Semester2\\PM2\\Projekt1\\racetrack\\tracks\\challenge.txt");
Assertions.assertThrows(FileNotFoundException.class,() -> new Track(file));
}
/**
* Dirty test...
*/
@Test
void printOutTrack() {
System.out.println(trackObj);
@DisplayName("Create correct amount of Car instance")
void checkCars() {
Assertions.assertEquals(2, trackObj.getCarCount());
}
@Test
@DisplayName("Create Car instance with correct Symbols / Id")
void checkCarId() {
Assertions.assertEquals('a', trackObj.getCarId(0));
Assertions.assertEquals('b', trackObj.getCarId(1));
}
@Test
@DisplayName("Check getSpaceTyp")
void getSpaceTyp() {
Assertions.assertEquals(ConfigSpecification.SpaceType.FINISH_RIGHT,trackObj.getSpaceType(new PositionVector(22,24)));
}
//TODO:
@Test
void addCarAtInit() {
try {
trackObj.addCar();
} catch (InvalidTrackFormatException e) {
e.printStackTrace();
}
Assertions.assertEquals(ConfigSpecification.SpaceType.FINISH_RIGHT, trackObj.getSpaceType(new PositionVector(22, 24)));
}
@Test
@DisplayName("Find FinishLine")
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());
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() {
@DisplayName("Converts Trackfile correctly to List<String>")
void checkTrack() {
Track trackObj;
try {
Track t1 = new Track(new File("C:\\Studium\\Semester2\\PM2\\Projekt1\\racetrack\\tracks\\challenge.txt"));
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (InvalidTrackFormatException e) {
trackObj = new Track(new File(".\\tracks\\oval-anticlock-right.txt"));
List<String> track = new ArrayList<>();
track.add("##################################################");
track.add("##################################################");
track.add("############## #############");
track.add("########## ##########");
track.add("####### #######");
track.add("###### ################# ######");
track.add("##### ################### #####");
track.add("##### ################### #####");
track.add("###### ################# ######");
track.add("####### > a #######");
track.add("########## > ##########");
track.add("############## > b ##############");
track.add("##################################################");
track.add("##################################################");
Assertions.assertLinesMatch(track, trackObj.getTrack());
} catch (FileNotFoundException | InvalidTrackFormatException | PositionVectorNotValid e) {
e.printStackTrace();
}
}
@Test
@DisplayName("Make Car move down on track")
void makeCarMoveDown() {
PositionVector beforeMove = trackObj.getCarPos(0);
trackObj.getCar(0).accelerate(PositionVector.Direction.DOWN);
trackObj.moveCar(0);
PositionVector afterMove = trackObj.getCarPos(0);
Assertions.assertEquals(beforeMove.getY() + 1, afterMove.getY());
Assertions.assertEquals(beforeMove.getX(), afterMove.getX());
}
@Test
@DisplayName("Make Car move with (0,0) acceleration on track")
void makeCarStay() {
PositionVector beforeMove = trackObj.getCarPos(0);
trackObj.moveCar(0);
PositionVector afterMove = trackObj.getCarPos(0);
Assertions.assertEquals(beforeMove.getY(), afterMove.getY());
Assertions.assertEquals(beforeMove.getX(), afterMove.getX());
}
@Test
@DisplayName("Will Car Crash")
void willCarCrash() {
try {
//Car will Crash
Assertions.assertTrue(trackObj.willCrashAtPosition(0, new PositionVector(25, 21)));
//Car will not Crash and is on track
Assertions.assertFalse(trackObj.willCrashAtPosition(0, new PositionVector(7, 22)));
//Car will not Crash and is on finishLine
Assertions.assertFalse(trackObj.willCrashAtPosition(0, trackObj.getFinishLine().get(0)));
} catch (PositionVectorNotValid positionVectorNotValid) {
positionVectorNotValid.printStackTrace();
Assertions.fail("Test should not throw error");
}
}
@Test
@DisplayName("Make Car Crash")
void makeCarCrash() {
try {
trackObj.carDoesCrash(0, new PositionVector(6, 22));
} catch (PositionVectorNotValid positionVectorNotValid) {
positionVectorNotValid.printStackTrace();
Assertions.fail("Test should not throw exception");
}
Assertions.assertEquals(Track.CRASH_INDICATOR, trackObj.getTrack().get(22).charAt(6));
Assertions.assertTrue(trackObj.getCar(0).isCrashed());
}
}
@Nested
@DisplayName("Negative TestCase")
class negativeClass {
File file;
@BeforeEach
void setup() {
file = new File(".\\tracks\\challenge.txt");
try {
trackObj = new Track(file);
} catch (Exception | PositionVectorNotValid e) {
System.err.println("Error in Test compareTrack" + e.getMessage());
}
}
@Test
@DisplayName("Throw error if File not found")
void canReadFile() {
file = new File(".\\tracks\\NotExisting.txt");
Assertions.assertThrows(FileNotFoundException.class, () -> new Track(file));
}
@Test
@DisplayName("Throw error if File is invalid")
void invalidTrackFile() {
File testfile = new File(".\\src\\test\\InvalidTracks\\sameCar.txt");
Assertions.assertThrows(InvalidTrackFormatException.class, () -> new Track(testfile));
}
@Test
@DisplayName("Invalid Position Vector used")
void invalidPositionVector() {
Assertions.assertThrows(PositionVectorNotValid.class, () -> trackObj.willCrashAtPosition(0, new PositionVector(100, 200)));
Assertions.assertThrows(PositionVectorNotValid.class, () -> trackObj.carDoesCrash(1,new PositionVector(200,100)));
}
}
}