robot-simulator: updated tests to v3.0.0 (exercism#1543)

JuliaKBremer · cmccandless · commit f9029669c93d · 2018-10-03T13:35:52.000-04:00
Updated tests to v2.3.0 , added Exception tests for invalid directions/instructions as well as tests for each direction the robot can go Closes exercism#1525
diff --git a/exercises/robot-simulator/robot_simulator_test.py b/exercises/robot-simulator/robot_simulator_test.py
@@ -3,7 +3,7 @@
 from robot_simulator import Robot, NORTH, EAST, SOUTH, WEST
 
 
-# Tests adapted from `problem-specifications//canonical-data.json` @ v2.2.0
+# Tests adapted from `problem-specifications//canonical-data.json` @ v3.0.0
 
 class RobotSimulatorTest(unittest.TestCase):
     def test_init(self):
@@ -17,16 +17,36 @@ def test_setup(self):
         self.assertEqual(robot.bearing, SOUTH)
 
     def test_turn_right(self):
-        robot = Robot()
-        for direction in [EAST, SOUTH, WEST, NORTH]:
+        dirA = [EAST, SOUTH, WEST, NORTH]
+        dirB = [SOUTH, WEST, NORTH, EAST]
+        for x in range(len(dirA)):
+            robot = Robot(dirA[x], 0, 0)
             robot.turn_right()
-            self.assertEqual(robot.bearing, direction)
+            self.assertEqual(robot.bearing, dirB[x])
+
+    def test_change_direction_right(self):
+        A = [NORTH, EAST, SOUTH, WEST]
+        B = [EAST, SOUTH, WEST, NORTH]
+        for x in range(len(A)):
+            robot = Robot(A[x], 0, 0)
+            robot.simulate("R")
+            self.assertEqual(robot.bearing, B[x])
+
+    def test_change_direction_left(self):
+        A = [NORTH, WEST, SOUTH, EAST]
+        B = [WEST, SOUTH, EAST, NORTH]
+        for x in range(len(A)):
+            robot = Robot(A[x], 0, 0)
+            robot.simulate("L")
+            self.assertEqual(robot.bearing, B[x])
 
     def test_turn_left(self):
-        robot = Robot()
-        for direction in [WEST, SOUTH, EAST, NORTH]:
+        dirA = [EAST, SOUTH, WEST, NORTH]
+        dirB = [NORTH, EAST, SOUTH, WEST]
+        for x in range(len(dirA)):
+            robot = Robot(dirA[x], 0, 0)
             robot.turn_left()
-            self.assertEqual(robot.bearing, direction)
+            self.assertEqual(robot.bearing, dirB[x])
 
     def test_advance_positive_north(self):
         robot = Robot(NORTH, 0, 0)
