class RoverTest {
private static Area area;
@BeforeAll
static void init() {
Point A = new Point(10, 10, Direction.SOUTH);
Point B = new Point(-10, 10, Direction.SOUTH);
Point C = new Point(-10, -10, Direction.SOUTH);
Point D = new Point(10, -10, Direction.SOUTH);
area = new Area(A, B, C, D);
}
@BeforeEach
void setUp() {
}
@AfterEach
void tearDown() {
}
@Test
@DisplayName("获取火星车位置")
void test_get_rover_point() {
Rover rover = new Rover();
Point point = new Point(0, 0, Direction.SOUTH);
rover.deploy(point);
assertEquals(rover.getPoint(), point);
}
@Test
@DisplayName("北 -> 左转")
void test_Rover_TurnLeft_S() {
// 左转指令
Instruction instruction = new TurnLeft();
Rover rover = new Rover();
rover.deploy(new Point(0, 0, Direction.SOUTH));
assertEquals(rover.run(instruction).getDirection(), Direction.WEST);
}
@Test
@DisplayName("北 -> 左转(抛出异常)")
void test_Rover_TurnLeft_S_not_init_point() {
// 左转指令
Instruction instruction = new TurnLeft();
Rover rover = new Rover();
assertThrows(RuntimeException.class, () -> {
rover.run(instruction).getDirection();
});
}
@Test
@DisplayName("北 -> 批量左转")
void test_batch_TurnLeft_S() {
// 有序指令集
LinkedList<Instruction> instructions = new LinkedList<>();
instructions.add(new TurnLeft());
instructions.add(new TurnLeft());
Rover rover = new Rover();
rover.deploy(new Point(0, 0, Direction.SOUTH));
assertEquals(rover.run(instructions).getDirection(), Direction.NORTH);
}
@Test
@DisplayName("北 -> 批量前进")
void test_batch_MoveForward_S() {
Rover rover = new Rover();
rover.deploy(new Point(0, 0, Direction.SOUTH));
// 有序指令集
LinkedList<Instruction> instructions = new LinkedList<>();
instructions.add(new MoveForward(area));
instructions.add(new MoveForward(area));
Point point = rover.run(instructions);
assertEquals(point.getDirection(), Direction.SOUTH);
assertEquals(point.getX(), 0);
assertEquals(point.getY(), 2);
}
@Test
@DisplayName("北 -> 批量(转向,前进)")
void test_batch_Move_and_Turn_S() {
Rover rover = new Rover();
// 初始坐标 (0,0,S)
rover.deploy(new Point(0, 0, Direction.SOUTH));
MoveForward moveForward = new MoveForward(area);
TurnRight turnRight = new TurnRight();
// 有序指令集
LinkedList<Instruction> instructions = new LinkedList<>();
// 北进2
instructions.add(moveForward);
instructions.add(moveForward);
// 北右转
instructions.add(turnRight);
// 东进2
instructions.add(moveForward);
instructions.add(moveForward);
// 最终坐标 (2,2,E)
Point point = rover.run(instructions);
assertEquals(point.getDirection(), Direction.EAST);
assertEquals(point.getX(), 2);
assertEquals(point.getY(), 2);
}
@Test
@DisplayName("东 -> 批量(转向,前进)")
void test_batch_Move_and_Turn_E() {
Rover rover = new Rover();
// 初始坐标 (0,0,S)
rover.deploy(new Point(0, 0, Direction.EAST));
TurnRight turnRight = new TurnRight();
MoveForward moveForward = new MoveForward(area);
// 有序指令集
LinkedList<Instruction> instructions = new LinkedList<>();
// 连续两次右转 -> (0,0,W)
instructions.add(turnRight);
instructions.add(turnRight);
// 进2 -> (-2,0,W)
instructions.add(moveForward);
instructions.add(moveForward);
// 右转 -> (-2,0,S)
instructions.add(turnRight);
// 进2 -> (-2,2,S)
instructions.add(moveForward);
instructions.add(moveForward);
// 最终坐标 (-2,2,S)
Point point = rover.run(instructions);
assertEquals(point.getDirection(), Direction.SOUTH);
assertEquals(point.getX(), -2);
assertEquals(point.getY(), 2);
}
@Test
@DisplayName("东 -> 批量(转向,前进) ,超出区域")
void test_batch_Move_and_Turn_more() {
Rover rover = new Rover();
// 初始坐标
rover.deploy(new Point(10, 10, Direction.EAST));
TurnRight turnRight = new TurnRight();
MoveForward moveForward = new MoveForward(area);
// 有序指令集
LinkedList<Instruction> instructions = new LinkedList<>();
// 进2
instructions.add(moveForward);
instructions.add(moveForward);
// 连续两次右转
instructions.add(turnRight);
instructions.add(turnRight);
// 进2
instructions.add(moveForward);
instructions.add(moveForward);
// 右转
instructions.add(turnRight);
// 进2
instructions.add(moveForward);
instructions.add(moveForward);
// 最终坐标
assertThrows(RuntimeException.class, () -> rover.run(instructions));
}
}