public void StateTransitionRule_WhenInvalid_ReturnsFalse()
{
// ARRANGE
GameStateTransition nullToIntro = new GameStateTransition(GameState.NullState, GameState.Intro);
GameStateTransition introToMainMenu = new GameStateTransition(GameState.Intro, GameState.MainMenu);
GameStateTransition mainMenuToNewGame = new GameStateTransition(GameState.MainMenu, GameState.NewGame);
GameStateTransition actualTransition = new GameStateTransition(GameState.NullState, GameState.MainMenu);
// ACT
var transitionNullToIntro = new StateTransitionRule(nullToIntro);
var transitionIntroToMainMenu = new StateTransitionRule(introToMainMenu);
var transitionMainMenuToNewGame = new StateTransitionRule(mainMenuToNewGame);
// Create the rule engine and add the rules
var stateTransitionRuleEngine = new RuleEngine <GameStateTransition>();
stateTransitionRuleEngine.ActualValue = actualTransition;
stateTransitionRuleEngine.Add(transitionNullToIntro);
stateTransitionRuleEngine.Add(transitionIntroToMainMenu);
stateTransitionRuleEngine.Add(transitionMainMenuToNewGame);
// Get the result
var result = stateTransitionRuleEngine.MatchAny();
// ASSERT
Assert.IsFalse(result);
}
public void StateTransitionRule_WhenValid_ReturnsTrue()
{
// ARRANGE
GameStateTransition nullToIntro = new GameStateTransition(GameState.NullState, GameState.Intro);
GameStateTransition introToMainMenu = new GameStateTransition(GameState.Intro, GameState.MainMenu);
GameStateTransition mainMenuToNewGame = new GameStateTransition(GameState.MainMenu, GameState.NewGame);
GameStateTransition actualTransition = new GameStateTransition(GameState.Intro, GameState.MainMenu);
// ACT
var transitionNullToIntro = new StateTransitionRule(nullToIntro);
var transitionIntroToMainMenu = new StateTransitionRule(introToMainMenu);
var transitionMainMenuToNewGame = new StateTransitionRule(mainMenuToNewGame);
// Create the rule engine and add the rules
var stateTransitionRuleEngine = new RuleEngine<GameStateTransition>();
stateTransitionRuleEngine.ActualValue = actualTransition;
stateTransitionRuleEngine.Add(transitionNullToIntro);
stateTransitionRuleEngine.Add(transitionIntroToMainMenu);
stateTransitionRuleEngine.Add(transitionMainMenuToNewGame);
// Get the result
var result = stateTransitionRuleEngine.MatchAny();
// ASSERT
Assert.IsTrue(result);
}
