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team02-AngryNerds-projekt1-racetrack
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Fixed Error in CarTest.java #20

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schrom01 merged 9 commits from car into main 2022-03-10 14:51:27 +01:00
Conversation 1 Commits 9 Files Changed 1 +60 -31
1 changed files with 60 additions and 31 deletions
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src/test/java/ch/zhaw/pm2/racetrack/CarTest.java
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@ -11,38 +11,62 @@ import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
/**
* Tests for Class Car
*/
class CarTest {
Car car;
// Default coordinates for tests
int DEFAULT_X = 10;
int DEFAULT_Y = 10;
/**
* Create a new Car Object and set Position to a defined Default Position
*/
@BeforeEach
void setUp() {
car = new Car('a', new PositionVector(DEFAULT_X, DEFAULT_Y));
}
/**
* Method to check nextPosition with coordinates as int
*
* @param x the expected value for x coordinate
* @param y the expected value for y coordinate
*/
void CheckNextPosition(int x, int y) {
assertEquals(new PositionVector(x, y), car.nextPosition());
}
/**
* - checks if the position of the car can be set and saved correctly with valid positions.
* - checks if an exception is throwed and position keeps unchanged if invalid coordinates are entered.
*/
@Test
void setPosition() {
CheckNextPosition(DEFAULT_X, DEFAULT_Y);
// List of valid Positions
List<PositionVector> validPositions = new ArrayList<>();
validPositions.add(new PositionVector(20, 20));
validPositions.add(new PositionVector(0, 0));
validPositions.add(new PositionVector(20, 0));
validPositions.add(new PositionVector(0, 20));
for(PositionVector positionVector : validPositions) {
for (PositionVector positionVector : validPositions) {
car.setPosition(positionVector);
assertEquals(positionVector, car.nextPosition());
}
// List of invalid positions.
List<PositionVector> invalidPositions = new ArrayList<>();
invalidPositions.add(new PositionVector(0, -20));
invalidPositions.add(new PositionVector(-20, 0));
invalidPositions.add(new PositionVector(-20, -20));
for(PositionVector positionVector : invalidPositions) {
for (PositionVector positionVector : invalidPositions) {
boolean exception = false;
try {
car.setPosition(positionVector);
@ -51,62 +75,73 @@ class CarTest {
}
assertTrue(exception);
// position should keep unchanged
CheckNextPosition(DEFAULT_X, DEFAULT_Y);
}
}
/**
* Checks if the methods accelerate and move are working correctly with acceleration in all directions.
* Checks also if velocity is calculated correctly if method accelerate is called a second time.
*/
@Test
void movement() {
// add all possible directions in a List
List<PositionVector.Direction> directions = Arrays.asList(PositionVector.Direction.values());
//position shouldn't be changed because velocity should be 0.
car.move();
CheckNextPosition(DEFAULT_X, DEFAULT_Y);
List<PositionVector.Direction> directions = Arrays.asList(PositionVector.Direction.values());
for (PositionVector.Direction direction1 : directions){
for (PositionVector.Direction direction1 : directions) {
//create a new instance of Car with default coordinates and velocity 0.
setUp();
int nextPosX = DEFAULT_X;
int nextPosY = DEFAULT_Y;
//variables to save the actual expected result of method nextPosition
int ExpectedNextPosX = DEFAULT_X;
int ExpectedNextPosY = DEFAULT_Y;
car.accelerate(direction1);
nextPosX += direction1.vector.getX();
nextPosY += direction1.vector.getY();
CheckNextPosition(nextPosX, nextPosY);
ExpectedNextPosX += direction1.vector.getX();
ExpectedNextPosY += direction1.vector.getY();
CheckNextPosition(ExpectedNextPosX, ExpectedNextPosY);
car.move();
nextPosX += direction1.vector.getX();
nextPosY += direction1.vector.getY();
CheckNextPosition(nextPosX, nextPosY);
ExpectedNextPosX += direction1.vector.getX();
ExpectedNextPosY += direction1.vector.getY();
CheckNextPosition(ExpectedNextPosX, ExpectedNextPosY);
for (PositionVector.Direction direction2 : directions) {
car.accelerate(direction2);
nextPosX += direction2.vector.getX();
nextPosY += direction2.vector.getY();
CheckNextPosition(nextPosX, nextPosY);
ExpectedNextPosX += direction2.vector.getX();
ExpectedNextPosY += direction2.vector.getY();
CheckNextPosition(ExpectedNextPosX, ExpectedNextPosY);
car.move();
nextPosX += direction1.vector.getX();
nextPosY += direction1.vector.getY();
nextPosX += direction2.vector.getX();
nextPosY += direction2.vector.getY();
CheckNextPosition(nextPosX, nextPosY);
ExpectedNextPosX += (direction1.vector.getX() + direction2.vector.getX());
ExpectedNextPosY += (direction1.vector.getY() + direction2.vector.getY());
CheckNextPosition(ExpectedNextPosX, ExpectedNextPosY);
}
}
}
/**
* test for methods crash and isCrashed. checks if state crashed is set and returned correctly.
*/
@Test
void crash() {
assertFalse(car.isCrashed());
car.crash();
assertTrue(car.isCrashed());
}
/**
* test for methods setMoveStrategy. Checks if the MoveStrategy Object is saved and returned correctly
* with all Types of MoveStrategy.
*/
@Test
void MoveStrategy() {
MoveStrategy moveStrategy;
@ -127,10 +162,4 @@ class CarTest {
car.setMoveStrategy(moveStrategy);
assertEquals(moveStrategy, car.getMoveStrategy());
}
void CheckNextPosition(int x, int y) {
assertEquals(new PositionVector(x, y), car.nextPosition());
}
}