def test_create_choose_action_base_case_0_turns(self):
"""
If the player has 0 turns and it is the currents player turn,
then the previous action is return.
"""
state, *_ = self.setup()
production_tree = GameStateTree(state, previous_action=None)
production_tree.get_children = MagicMock(return_value=None)
expected = Action(
player_color=production_tree.state.current_player.color,
start=Coordinate(0, 0),
end=Coordinate(1, 0))
production_tree.previous_action = expected
actual = GenericStrategyComponent.choose_action(tree=production_tree,
num_turns=0)
self.assertEqual(expected, actual)
def test_create_choose_action_base_case_no_children_for_maximizing_player(
self):
"""
If the player has turns > 0 but has no children - end-game - then
return the current's player's previous action
"""
state, *_ = self.setup()
production_tree = GameStateTree(state, previous_action=None)
expected = Action(
player_color=production_tree.state.current_player.color,
start=Coordinate(0, 0),
end=Coordinate(1, 0))
production_tree.previous_action = expected
actual = GenericStrategyComponent.choose_action(tree=production_tree,
num_turns=2)
self.assertEqual(expected, actual)
def test_create_choose_action_base_case_no_children_for_non_maximizing_player(
self):
"""
If the player has turns > 0 but has no children - end-game - and this is not
the maximizing player, then we return None.
"""
state, *_ = self.setup()
production_tree = GameStateTree(state, previous_action=None)
production_tree.get_children = MagicMock(return_value=[])
production_tree.previous_action = Action(
player_color=production_tree.state.current_player.color,
start=Coordinate(0, 0),
end=Coordinate(1, 0))
expected = None
_, actual = GenericStrategyComponent.minimax(tree=production_tree,
num_rounds=2,
maximizing_player=Player(
"white", 0, 0, []))
self.assertEqual(expected, actual)