def test_is_reachable_for_connected_neighbors():
""" Tests is_reachable """
maze = create_maze(MAZE_STRING)
graph = Graph(maze)
assert graph.is_reachable(BoardLocation(2, 4), BoardLocation(1, 4))
assert graph.is_reachable(BoardLocation(2, 4), BoardLocation(2, 3))
assert graph.is_reachable(BoardLocation(2, 4), BoardLocation(3, 4))
def test_is_reachable_for_swapped_locations():
""" Tests is_reachable. Re-runs all of the above tests with swapped locations. """
maze = create_maze(MAZE_STRING)
graph = Graph(maze)
assert not graph.is_reachable(BoardLocation(1, 0), BoardLocation(0, 0))
assert not graph.is_reachable(BoardLocation(0, 1), BoardLocation(0, 0))
assert not graph.is_reachable(BoardLocation(2, 5), BoardLocation(2, 4))
assert graph.is_reachable(BoardLocation(1, 4), BoardLocation(2, 4))
assert graph.is_reachable(BoardLocation(2, 3), BoardLocation(2, 4))
assert graph.is_reachable(BoardLocation(3, 4), BoardLocation(2, 4))
assert graph.is_reachable(BoardLocation(3, 2), BoardLocation(3, 1))
assert graph.is_reachable(BoardLocation(5, 0), BoardLocation(1, 4))
assert not graph.is_reachable(BoardLocation(4, 4), BoardLocation(1, 0))
assert graph.is_reachable(BoardLocation(6, 3), BoardLocation(5, 0))
assert graph.is_reachable(BoardLocation(2, 6), BoardLocation(0, 6))
def test_is_reachable_for_same_location():
""" Tests is_reachable """
maze = create_maze(MAZE_STRING)
graph = Graph(maze)
assert graph.is_reachable(BoardLocation(0, 0), BoardLocation(0, 0))
def test_is_reachable_for_paths_on_border():
""" Tests is_reachable """
maze = create_maze(MAZE_STRING)
graph = Graph(maze)
assert graph.is_reachable(BoardLocation(5, 0), BoardLocation(6, 3))
assert graph.is_reachable(BoardLocation(0, 6), BoardLocation(2, 6))
def test_is_reachable_for_unconnected_cards_with_only_one_wall():
""" Tests is_reachable """
maze = create_maze(MAZE_STRING)
graph = Graph(maze)
assert not graph.is_reachable(BoardLocation(1, 0), BoardLocation(4, 4))
def test_is_reachable_for_connected_distant_cards():
""" Tests is_reachable """
maze = create_maze(MAZE_STRING)
graph = Graph(maze)
assert graph.is_reachable(BoardLocation(1, 4), BoardLocation(5, 0))
def test_is_reachable_for_connected_neighbors_wo_direct_path():
""" Tests is_reachable """
maze = create_maze(MAZE_STRING)
graph = Graph(maze)
assert graph.is_reachable(BoardLocation(3, 1), BoardLocation(3, 2))