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Unit tests for pycatan.actions module.
Tests all action types, data structures, validation, and utility functions.
"""
import pytest
from datetime import datetime
from unittest.mock import patch
from pycatan.management.actions import (
Action, ActionType, ActionResult, GameState, PlayerState, BoardState,
GamePhase, TurnPhase, create_build_settlement_action, create_build_road_action,
create_trade_action
)
class TestActionType:
"""Test ActionType enum."""
def test_all_action_types_exist(self):
"""Verify all expected action types are defined."""
expected_actions = [
'BUILD_SETTLEMENT', 'BUILD_CITY', 'BUILD_ROAD',
'TRADE_PROPOSE', 'TRADE_ACCEPT', 'TRADE_REJECT', 'TRADE_COUNTER', 'TRADE_BANK',
'USE_DEV_CARD', 'BUY_DEV_CARD',
'ROLL_DICE', 'END_TURN', 'END_GAME',
'ROBBER_MOVE', 'DISCARD_CARDS', 'STEAL_CARD',
'PLACE_STARTING_SETTLEMENT', 'PLACE_STARTING_ROAD'
]
for action_name in expected_actions:
assert hasattr(ActionType, action_name), f"ActionType.{action_name} not found"
def test_action_type_values_are_unique(self):
"""Ensure all action type values are unique."""
values = [action.value for action in ActionType]
assert len(values) == len(set(values)), "ActionType values are not unique"
class TestAction:
"""Test Action dataclass."""
def test_basic_action_creation(self):
"""Test creating a basic action."""
action = Action(
action_type=ActionType.END_TURN,
player_id=1
)
assert action.action_type == ActionType.END_TURN
assert action.player_id == 1
assert action.parameters == {}
assert isinstance(action.timestamp, datetime)
def test_action_with_parameters(self):
"""Test creating an action with parameters."""
params = {'point_coords': (1, 2)}
action = Action(
action_type=ActionType.BUILD_SETTLEMENT,
player_id=0,
parameters=params
)
assert action.parameters == params
def test_action_validation_success(self):
"""Test successful action validation."""
# Action with required parameters should validate successfully
action = Action(
action_type=ActionType.BUILD_SETTLEMENT,
player_id=0,
parameters={'point_coords': (1, 2)}
)
# Should not raise exception
def test_action_validation_missing_params(self):
"""Test action validation with missing required parameters."""
with pytest.raises(ValueError, match="missing required parameters"):
Action(
action_type=ActionType.BUILD_SETTLEMENT,
player_id=0,
parameters={} # Missing point_coords
)
def test_action_validation_trade_propose(self):
"""Test validation for trade propose action."""
# Valid trade propose
action = Action(
action_type=ActionType.TRADE_PROPOSE,
player_id=0,
parameters={
'offer': {'wood': 1},
'request': {'brick': 1},
'target_player': 1
}
)
# Should not raise exception
# Missing target_player
with pytest.raises(ValueError, match="missing required parameters"):
Action(
action_type=ActionType.TRADE_PROPOSE,
player_id=0,
parameters={
'offer': {'wood': 1},
'request': {'brick': 1}
# Missing target_player
}
)
def test_action_validation_no_requirements(self):
"""Test actions that don't require parameters."""
actions_without_requirements = [
ActionType.ROLL_DICE,
ActionType.END_TURN,
ActionType.BUY_DEV_CARD
]
for action_type in actions_without_requirements:
action = Action(
action_type=action_type,
player_id=0
)
# Should not raise exception
class TestGameState:
"""Test GameState dataclass."""
def test_default_game_state(self):
"""Test creating a default game state."""
state = GameState()
assert state.game_id == ""
assert state.turn_number == 0
assert state.current_player == 0
assert state.game_phase == GamePhase.SETUP_FIRST_ROUND
assert state.turn_phase == TurnPhase.ROLL_DICE
assert state.dev_cards_available == 25
assert len(state.players_state) == 0
assert state.dice_rolled is None
assert len(state.pending_trades) == 0
assert len(state.action_history) == 0
def test_game_state_with_players(self):
"""Test game state with players."""
players = [
PlayerState(player_id=0, name="Alice", cards=[], dev_cards=[],
settlements=[], cities=[], roads=[], victory_points=0,
longest_road_length=0, has_longest_road=False,
has_largest_army=False, knights_played=0),
PlayerState(player_id=1, name="Bob", cards=[], dev_cards=[],
settlements=[], cities=[], roads=[], victory_points=0,
longest_road_length=0, has_longest_road=False,
has_largest_army=False, knights_played=0)
]
state = GameState(players_state=players)
assert len(state.players_state) == 2
assert state.players_state[0].name == "Alice"
assert state.players_state[1].name == "Bob"
def test_get_player_state(self):
"""Test getting player state by ID."""
players = [
PlayerState(player_id=0, name="Alice", cards=[], dev_cards=[],
settlements=[], cities=[], roads=[], victory_points=0,
longest_road_length=0, has_longest_road=False,
has_largest_army=False, knights_played=0),
PlayerState(player_id=2, name="Charlie", cards=[], dev_cards=[],
settlements=[], cities=[], roads=[], victory_points=0,
longest_road_length=0, has_longest_road=False,
has_largest_army=False, knights_played=0)
]
state = GameState(players_state=players)
# Existing player
alice = state.get_player_state(0)
assert alice is not None
assert alice.name == "Alice"
# Non-existing player
missing = state.get_player_state(1)
assert missing is None
def test_get_current_player_state(self):
"""Test getting current player state."""
players = [
PlayerState(player_id=0, name="Alice", cards=[], dev_cards=[],
settlements=[], cities=[], roads=[], victory_points=0,
longest_road_length=0, has_longest_road=False,
has_largest_army=False, knights_played=0),
PlayerState(player_id=1, name="Bob", cards=[], dev_cards=[],
settlements=[], cities=[], roads=[], victory_points=0,
longest_road_length=0, has_longest_road=False,
has_largest_army=False, knights_played=0)
]
state = GameState(players_state=players, current_player=1)
current = state.get_current_player_state()
assert current is not None
assert current.name == "Bob"
class TestActionResult:
"""Test ActionResult dataclass."""
def test_success_result_creation(self):
"""Test creating a success result."""
state = GameState()
result = ActionResult.success_result(state, [0, 1])
assert result.success is True
assert result.error_message is None
assert result.updated_state == state
assert result.affected_players == [0, 1]
assert result.status_code == "ALL_GOOD"
def test_success_result_default_players(self):
"""Test success result with default affected players."""
state = GameState()
result = ActionResult.success_result(state)
assert result.affected_players == []
def test_failure_result_creation(self):
"""Test creating a failure result."""
error_msg = "Invalid move"
status_code = "ERR_BLOCKED"
result = ActionResult.failure_result(error_msg, status_code)
assert result.success is False
assert result.error_message == error_msg
assert result.updated_state is None
assert result.affected_players == []
assert result.status_code == status_code
def test_failure_result_default_status(self):
"""Test failure result with default status code."""
result = ActionResult.failure_result("Error occurred")
assert result.status_code == ""
class TestUtilityFunctions:
"""Test utility functions for action creation."""
def test_create_build_settlement_action(self):
"""Test building settlement action creation."""
# Normal settlement
action = create_build_settlement_action(player_id=1, point_coords=(2, 3))
assert action.action_type == ActionType.BUILD_SETTLEMENT
assert action.player_id == 1
assert action.parameters['point_coords'] == (2, 3)
def test_create_build_settlement_action_starting(self):
"""Test building starting settlement action creation."""
action = create_build_settlement_action(player_id=0, point_coords=(1, 1), is_starting=True)
assert action.action_type == ActionType.PLACE_STARTING_SETTLEMENT
assert action.player_id == 0
assert action.parameters['point_coords'] == (1, 1)
def test_create_build_road_action(self):
"""Test building road action creation."""
# Normal road
action = create_build_road_action(player_id=2, start_coords=(1, 1), end_coords=(1, 2))
assert action.action_type == ActionType.BUILD_ROAD
assert action.player_id == 2
assert action.parameters['start_coords'] == (1, 1)
assert action.parameters['end_coords'] == (1, 2)
def test_create_build_road_action_starting(self):
"""Test building starting road action creation."""
action = create_build_road_action(player_id=1, start_coords=(2, 2), end_coords=(2, 3), is_starting=True)
assert action.action_type == ActionType.PLACE_STARTING_ROAD
assert action.player_id == 1
assert action.parameters['start_coords'] == (2, 2)
assert action.parameters['end_coords'] == (2, 3)
def test_create_trade_action_player(self):
"""Test player-to-player trade action creation."""
offer = {'wood': 2}
request = {'brick': 1}
action = create_trade_action(player_id=0, offer=offer, request=request, target_player=2)
assert action.action_type == ActionType.TRADE_PROPOSE
assert action.player_id == 0
assert action.parameters['offer'] == offer
assert action.parameters['request'] == request
assert action.parameters['target_player'] == 2
def test_create_trade_action_bank(self):
"""Test bank trade action creation."""
offer = {'wood': 4}
request = {'brick': 1}
action = create_trade_action(player_id=1, offer=offer, request=request)
assert action.action_type == ActionType.TRADE_BANK
assert action.player_id == 1
assert action.parameters['offer'] == offer
assert action.parameters['request'] == request
assert 'target_player' not in action.parameters
class TestDataStructureIntegrity:
"""Test data structure relationships and integrity."""
def test_game_state_action_history_integration(self):
"""Test that actions can be properly stored in game state history."""
action = Action(ActionType.BUILD_SETTLEMENT, player_id=0, parameters={'point_coords': (1, 1)})
state = GameState(action_history=[action])
assert len(state.action_history) == 1
assert state.action_history[0].action_type == ActionType.BUILD_SETTLEMENT
def test_player_state_data_consistency(self):
"""Test player state data consistency."""
player = PlayerState(
player_id=0,
name="Test Player",
cards=['wood', 'brick'],
dev_cards=['knight'],
settlements=[(1, 1)],
cities=[(2, 2)],
roads=[((1, 1), (1, 2))],
victory_points=3,
longest_road_length=5,
has_longest_road=True,
has_largest_army=False,
knights_played=2
)
assert player.player_id == 0
assert len(player.cards) == 2
assert len(player.dev_cards) == 1
assert len(player.settlements) == 1
assert len(player.cities) == 1
assert len(player.roads) == 1
def test_action_timestamp_creation(self):
"""Test that action timestamp is properly set."""
import time
# Record time before and after action creation
time_before = datetime.now()
time.sleep(0.001) # Small delay to ensure timestamp difference
action = Action(ActionType.END_TURN, player_id=0)
time.sleep(0.001)
time_after = datetime.now()
# Verify timestamp is between before and after
assert time_before < action.timestamp < time_after
if __name__ == '__main__':
pytest.main([__file__, '-v'])
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