From e40a1b2bb8583f4880a43c2fded8f92f287d2c0a Mon Sep 17 00:00:00 2001
From: DaniRafeh28 <daniel.rafeh@student.reutlingen-university.de>
Date: Wed, 30 Apr 2025 18:13:36 +0200
Subject: [PATCH] New function added - implementation of a
move_backward-function in order to make the rover move backward too, creation
of 4 testcases in order to proof that the MissionControl is able to make the
rover move backwards
---
rover.py | 43 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/rover.py b/rover.py
index 7f8c17e..998d7b4 100644
--- a/rover.py
+++ b/rover.py
@@ -89,10 +89,22 @@ class Rover:
elif self.direction == 'W':
self.x -= 1
+ def move_backward(self):
+ if self.direction == 'N':
+ self.y -= 1
+ elif self.direction == 'S':
+ self.y += 1
+ elif self.direction == 'E':
+ self.x -= 1
+ elif self.direction == 'W':
+ self.x += 1
+
def drive(self, cmd: str) -> str:
for c in cmd:
if c == 'F':
self.move_forward()
+ elif c == 'B':
+ self.move_backward()
class Mars:
@@ -153,6 +165,37 @@ class TestRover(unittest.TestCase):
control.execute_command('F')
self.assertEqual((rover.x, rover.y), (0,0))
+ # Test Move Backward in Different Directions
+ def test_move_backward_north(self):
+ rover = Rover(0, 1, 'N')
+ control = MissionControl(rover)
+
+ control.execute_command('B')
+ self.assertEqual((rover.x, rover.y), (0,0))
+
+ def test_move_backward_south(self):
+ rover = Rover(0, 0, 'S')
+ control = MissionControl(rover)
+
+ control.execute_command('B')
+ self.assertEqual((rover.x, rover.y), (0,1))
+
+ def test_move_backward_east(self):
+ rover = Rover(1, 0, 'E')
+ control = MissionControl(rover)
+
+ control.execute_command('B')
+ self.assertEqual((rover.x, rover.y), (0,0))
+
+ def test_move_backward_west(self):
+ rover = Rover(0, 0, 'W')
+ control = MissionControl(rover)
+
+ control.execute_command('B')
+ self.assertEqual((rover.x, rover.y), (1,0))
+
+
+
if __name__ == '__main__':
--
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