Jooseongho

src/main/java/Car.java

@@ -0,0 +1,34 @@
+public class Car {
+    private String name;
+    private int position;
+
+    public Car() {
+    }
+
+    public Car(String name) {
+        this.name = name;
+        this.position = 0;
+    }
+
+    public Car(String name, int position) {
+        this.name = name;
+        this.position = position;
+    }
+
+    public  void progress(int randomGenerate) {
+        if(randomGenerate >=4) movePosition();
+    }
+
+
+    public int getPosition() {
+        return position;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void movePosition() {
+        this.position+=1;
+    }
+}

src/main/java/GameStart.java

@@ -0,0 +1,18 @@
+import java.util.Arrays;
+import java.util.Scanner;
+
+public class GameStart {
+    public static boolean validate(String input) {
+        if(input.length() > 5) return false;
+        return true;
+    }
+
+    public String[] input(String s) {
+        String[] split = s.split(",");
+        Arrays.stream(split)
+                .filter(x->validate(x))
+                .findAny()
+                .orElseThrow(()-> new IllegalArgumentException("5 글자 미만이어야합니다."));
+        return split;
+    }
+}

src/main/java/Main.java

@@ -0,0 +1,23 @@
+import java.util.List;
+import java.util.Scanner;
+
+public class Main {
+    public static void main(String[] args) {
+        Racing racing = new Racing();
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("경주할 자동차 이름을 입력하세요(이름은 쉼표(,)를 기준으로 구분).");
+        String input = scanner.nextLine();
+        System.out.println("시도할 회수는 몇회인가요?");
+        int game = scanner.nextInt();
+        List<Car> cars = racing.start(input,game);
+
+        boolean play = true;
+        while(play){
+            play = racing.play();
+        }
+
+        Result.printResult(cars);
+
+
+    }
+}

src/main/java/Racing.java

@@ -0,0 +1,56 @@
+import java.util.*;
+
+
+public class Racing {
+    List<Car> cars;
+    int game;
+
+    public Racing() {
+        this.cars = new ArrayList<>();
+        this.game = 0;
+    }
+
+    public Racing(List<Car> cars, int game) {
+        this.cars = cars;
+        this.game = game;
+    }
+
+    public List<Car> start(String input, int game){
+        GameStart gameStart = new GameStart();
+        String[] split = gameStart.input(input);
+        for(String s : split){
+            this.cars.add(new Car(s));
+        }
+
+        this.game = game;
+        return this.cars;
+    }
+
+    public static int randomGenerate() {
+        Random random = new Random();
+        int ran = random.nextInt(9);
+        return ran;
+    }
+
+    public List<Car> getCars() {
+        return cars;
+    }
+
+    public int getGame() {
+        return game;
+    }
+
+    private boolean consumeGame(){
+        if(getGame() == 0) {
+            return false;
+        }
+        cars.stream().forEach(car-> car.progress(Racing.randomGenerate()));
+        Result.printProgreeBar(this.cars);
+        this.game-=1;
+        return true;
+    }
+
+    public boolean play() {
+        return consumeGame();
+    }
+}

src/main/java/Result.java

@@ -0,0 +1,32 @@
+import java.util.*;
+import java.util.stream.Collectors;
+
+import static java.util.stream.Collectors.groupingBy;
+
+public class Result {
+    public static List<Car> endGame(List<Car> cars) {
+        cars.sort(Comparator.comparing(Car::getPosition).reversed());
+        List<Car> carList = new ArrayList<>();
+        carList.add(cars.get(0));
+        for(int i=1;i< cars.size();i++){
+            if(cars.get(i-1).getPosition() != cars.get(i).getPosition()){
+                break;
+            }
+            carList.add(cars.get(i));
+        }
+        return carList;
+    }
+
+    public static void printProgreeBar(List<Car> cars){
+        for(int i=0;i<cars.size();i++){
+            System.out.println(cars.get(i).getName() + " : " + cars.get(i).getPosition());
+        }
+        System.out.println();
+    }
+
+    public static void printResult(List<Car> cars){
+        List<Car> result = endGame(cars);
+        System.out.print("우승자는 ");
+        result.stream().forEach(x-> System.out.print(x.getName() + " "));
+    }
+}

src/test/java/CarTest.java

@@ -0,0 +1,15 @@
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class CarTest {
+
+    @Test
+    void progress_over_4(){
+        Racing racing = new Racing();
+        int position = 3;
+        Car car = new Car("pobi", position);
+        car.progress(racing.randomGenerate());
+        assertEquals(car.getPosition() , position+1);
+    }
+}

src/test/java/GameStartTest.java

@@ -0,0 +1,28 @@
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class GameStartTest {
+
+
+    @Test
+    void car_name_split(){
+        GameStart gs = new GameStart();
+        String[] str = gs.input("pobi,crong,honux");
+        assertEquals(str[0], "pobi");
+        assertEquals(str[1], "crong");
+        assertEquals(str[2], "honux");
+    }
+
+
+    @Test
+    void car_name_under_5(){
+        String input1 = "crong";
+        String input2 = "crongs";
+
+        assertTrue(GameStart.validate(input1));
+        assertTrue(!GameStart.validate(input2));
+    }
+
+}

src/test/java/RacingTest.java

@@ -0,0 +1,31 @@
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import java.util.*;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class RacingTest {
+
+    @Test
+    void randomGenerate_random_1_9(){
+        int num = Racing.randomGenerate();
+        assertTrue(num <= 9 );
+        assertTrue(num >= 0 );
+    }
+
+    @Test
+    @DisplayName("Racing의 this.game은 1이 줄어들고, progress는 진행한다.")
+    void play(){
+        Racing racing = new Racing();
+        List<Car> cars = racing.start("pobi,crong,honux",4);
+        racing.play();
+        assertEquals(racing.getGame(),3);
+        assertEquals(cars.get(0).getName(), "pobi");
+        assertEquals(cars.get(1).getName(), "crong");
+        assertEquals(cars.get(2).getName(), "honux");
+    }
+
+
+
+}

src/test/java/ResultTest.java

@@ -0,0 +1,24 @@
+import org.junit.jupiter.api.Test;
+
+import java.util.*;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ResultTest {
+
+    @Test
+    void printResult(){
+
+    }
+
+    @Test
+    void endGame(){
+        List<Car> cars = Arrays.asList(new Car("pobi", 4), new Car("crong", 2), new Car("honux", 4));
+        List<Car> result = Result.endGame(cars);
+        assertEquals(result.get(0).getName(), "pobi");
+        assertEquals(result.get(0).getPosition(), 4);
+        assertEquals(result.get(1).getName(), "honux");
+        assertEquals(result.get(1).getPosition(), 4);
+    }
+
+}