Merge branch 'master' of gitlab.aicrowd.com:flatland/flatland

tests/test_transitions.py

@@ -3,7 +3,6 @@
 
 """Tests for `flatland` package."""
 from flatland.core.transitions import RailEnvTransitions, GridTransitions
-import pytest
 
 
 def test_valid_railenv_transitions():
@@ -15,37 +14,52 @@ def test_valid_railenv_transitions():
     #            'W': 3}
 
     for i in range(2):
-        assert (rail_env_trans.get_transitions_from_orientation(int('1100110000110011', 2), i) == (1, 1, 0, 0))
-        assert(rail_env_trans.get_transitions_from_orientation(int('1100110000110011', 2), 2+i) == (0, 0, 1, 1))
+        assert(rail_env_trans.get_transitions_from_orientation(
+                    int('1100110000110011', 2), i) == (1, 1, 0, 0))
+        assert(rail_env_trans.get_transitions_from_orientation(
+                    int('1100110000110011', 2), 2+i) == (0, 0, 1, 1))
 
     no_transition_cell = int('0000000000000000', 2)
 
     for i in range(4):
-        assert(rail_env_trans.get_transitions_from_orientation(no_transition_cell, i) == (0, 0, 0, 0))
+        assert(rail_env_trans.get_transitions_from_orientation(
+                    no_transition_cell, i) == (0, 0, 0, 0))
 
     # Facing south, going south
-    north_south_transition = rail_env_trans.set_transitions_from_orientation(no_transition_cell, 2, (0, 0, 1, 0))
-    assert(rail_env_trans.set_transition_from_orientation_to_direction(north_south_transition, 2, 2, 0) ==
-           no_transition_cell)
-    assert(rail_env_trans.get_transition_from_orientation_to_direction(north_south_transition, 2, 2))
+    north_south_transition = rail_env_trans.set_transitions_from_orientation(
+                    no_transition_cell, 2, (0, 0, 1, 0))
+    assert(rail_env_trans.set_transition_from_orientation_to_direction(
+                    north_south_transition, 2, 2, 0) == no_transition_cell)
+    assert(rail_env_trans.get_transition_from_orientation_to_direction(
+                    north_south_transition, 2, 2))
 
     # Facing north, going east
-    south_east_transition = rail_env_trans.set_transition_from_orientation_to_direction(no_transition_cell, 0, 1, 1)
-    assert(rail_env_trans.get_transition_from_orientation_to_direction(south_east_transition, 0, 1))
+    south_east_transition = \
+        rail_env_trans.set_transition_from_orientation_to_direction(
+         no_transition_cell, 0, 1, 1)
+    assert(rail_env_trans.get_transition_from_orientation_to_direction(
+            south_east_transition, 0, 1))
 
     # The opposite transitions are not feasible
-    assert(not rail_env_trans.get_transition_from_orientation_to_direction(north_south_transition, 2, 0))
-    assert(not rail_env_trans.get_transition_from_orientation_to_direction(south_east_transition, 2, 1))
+    assert(not rail_env_trans.get_transition_from_orientation_to_direction(
+            north_south_transition, 2, 0))
+    assert(not rail_env_trans.get_transition_from_orientation_to_direction(
+            south_east_transition, 2, 1))
 
-    east_west_transition = rail_env_trans.rotate_transition(north_south_transition, 90)
-    north_west_transition = rail_env_trans.rotate_transition(south_east_transition, 180)
+    east_west_transition = rail_env_trans.rotate_transition(
+            north_south_transition, 90)
+    north_west_transition = rail_env_trans.rotate_transition(
+            south_east_transition, 180)
 
     # Facing west, going west
-    assert(rail_env_trans.get_transition_from_orientation_to_direction(east_west_transition, 3, 3))
+    assert(rail_env_trans.get_transition_from_orientation_to_direction(
+            east_west_transition, 3, 3))
     # Facing south, going west
-    assert(rail_env_trans.get_transition_from_orientation_to_direction(north_west_transition, 2, 3))
+    assert(rail_env_trans.get_transition_from_orientation_to_direction(
+            north_west_transition, 2, 3))
 
-    assert(south_east_transition == rail_env_trans.rotate_transition(south_east_transition, 360))
+    assert(south_east_transition == rail_env_trans.rotate_transition(
+            south_east_transition, 360))
 
 
 def test_diagonal_transitions():
@@ -53,13 +67,13 @@ def test_diagonal_transitions():
 
     # Facing north, going north-east
     south_northeast_transition = int('01000000' + '0'*8*7, 2)
-    assert(diagonal_trans_env.get_transitions_from_orientation(south_northeast_transition, 0) ==
-           (0, 1, 0, 0, 0, 0, 0, 0))
-
-    # Allowing transition from north to southwest: Facing south, going southwest
-    north_southwest_transition = diagonal_trans_env.set_transitions_from_orientation(
-        int('0' *64, 2), 4, (0, 0, 0, 0, 0, 1, 0, 0))
-
-    assert(diagonal_trans_env.rotate_transition(south_northeast_transition, 180) == north_southwest_transition)
+    assert(diagonal_trans_env.get_transitions_from_orientation(
+            south_northeast_transition, 0) == (0, 1, 0, 0, 0, 0, 0, 0))
 
+    # Allowing transition from north to southwest: Facing south, going SW
+    north_southwest_transition = \
+        diagonal_trans_env.set_transitions_from_orientation(
+         int('0' * 64, 2), 4, (0, 0, 0, 0, 0, 1, 0, 0))
 
+    assert(diagonal_trans_env.rotate_transition(
+            south_northeast_transition, 180) == north_southwest_transition)