// TestGameCurrentPlayer tests that mancala.Game::CurrentPlayer returns the
// current mancala.PlayerIndex.
func TestGameCurrentPlayer(t *testing.T) {
t.Parallel()
game := mancala.NewGame(
newShortPlayer(mancala.Player1),
newShortPlayer(mancala.Player2),
)
actual := game.CurrentPlayer()
expected := mancala.PlayerIndex(mancala.Player1)
if actual != expected {
t.Errorf(
"game.CurrentPlayer() = %v, want %v",
actual,
expected,
)
}
game.PlayMove()
actual = game.CurrentPlayer()
expected = mancala.PlayerIndex(mancala.Player2)
if actual != expected {
t.Errorf(
"game.CurrentPlayer() = %v, want %v",
actual,
expected,
)
}
}
// Play returns the string content of all states in a game between the ai.Agents
// represented by the two agent names.
func Play(agent1, agent2 ai.AgentConstructor) string {
game := mancala.NewGame(agent1(), agent2())
output := ""
output += fmt.Sprintf("%v\n\n", game.Result().Board())
for !game.IsOver() {
output += fmt.Sprintf(
"Current player is %v.\n\n",
game.CurrentPlayer(),
)
game.PlayMove()
output += fmt.Sprintf("%v\n\n", game.Result())
}
if game.Result().Winner() != -1 {
output += fmt.Sprintf(
"%v won.\n",
game.Result().Winner(),
)
} else {
output += "The game was a tie.\n"
}
return output
}
// TestGameIsOver tests that mancala.Game::IsOver returns whether or not a
// mancala.Game is over for the possible ways an Oware game can end.
func TestGameIsOver(t *testing.T) {
t.Parallel()
actual := mancala.NewGame(errPlayer{}, errPlayer{}).IsOver()
expected := false
if actual != expected {
t.Errorf(
"game.IsOver() = %v, want %v with no win",
actual,
expected,
)
}
actual = mancala.NewInitializedGame(
mancala.NewInitializedReferee(
[]mancala.Board{},
mancala.NewInitializedBoard(
(mancala.DefaultSeedCount/2)+1,
(mancala.DefaultSeedCount/2)-1,
mancala.Grid{},
),
),
errPlayer{},
errPlayer{},
mancala.Player1,
0,
).IsOver()
expected = true
if actual != expected {
t.Errorf(
"game.IsOver() = %v, want %v with player 1 win",
actual,
expected,
)
}
actual = mancala.NewInitializedGame(
mancala.NewInitializedReferee(
[]mancala.Board{},
mancala.NewInitializedBoard(
(mancala.DefaultSeedCount/2)-1,
(mancala.DefaultSeedCount/2)+1,
mancala.Grid{},
),
),
errPlayer{},
errPlayer{},
mancala.Player2,
0,
).IsOver()
expected = true
if actual != expected {
t.Errorf(
"game.IsOver() = %v, want %v with player 2 win",
actual,
expected,
)
}
actual = mancala.NewInitializedGame(
mancala.NewInitializedReferee(
[]mancala.Board{},
mancala.NewInitializedBoard(
mancala.DefaultSeedCount/2,
mancala.DefaultSeedCount/2,
mancala.Grid{},
),
),
errPlayer{},
errPlayer{},
-1,
0,
).IsOver()
expected = true
if actual != expected {
t.Errorf(
"game.IsOver() = %v, want %v with tie",
actual,
expected,
)
}
errGame := mancala.NewGame(errPlayer{}, errPlayer{})
errGame.PlayMove()
actual = errGame.IsOver()
expected = true
if actual != expected {
t.Errorf(
"game.IsOver() = %v, want %v with error",
actual,
expected,
)
}
}
// TestGamePlayMove tests that mancala.Game::PlayMove returns the mancala.Result
// after a move in a shortPlayer mancala.Game and updates the mancala.Game
// state.
func TestGamePlayMove(t *testing.T) {
t.Parallel()
game := mancala.NewGame(badPlayer{}, errPlayer{})
actual := game.PlayMove().Err()
expected := fmt.Errorf(
"move at house %d is out of range [%d, %d]",
-1,
0,
mancala.RowWidth-1,
)
if actual.Error() != expected.Error() {
t.Errorf(
"game.PlayMove().Err().Error() = %s, want %s",
actual.Error(),
expected.Error(),
)
}
game = mancala.NewGame(errPlayer{}, badPlayer{})
actual = game.PlayMove().Err()
expected = errors.New("error")
if actual.Error() != expected.Error() {
t.Errorf(
"game.PlayMove().Err().Error() = %s, want %s",
actual.Error(),
expected.Error(),
)
}
game = mancala.NewGame(
newShortPlayer(mancala.Player1),
newShortPlayer(mancala.Player2),
)
actualResult := game.PlayMove()
expectedResult := mancala.NewResult(
mancala.NewInitializedBoard(
0, 0,
mancala.Grid{
mancala.Row{4, 4, 4, 0, 5, 5},
mancala.Row{5, 5, 4, 4, 4, 4},
},
),
-1,
1,
3,
nil,
)
if actualResult != expectedResult {
t.Errorf(
"game.PlayMove() = \n%v, want \n%v",
actualResult,
expectedResult,
)
}
actualPlayer := game.CurrentPlayer()
expectedPlayer := mancala.PlayerIndex(mancala.Player2)
if actualPlayer != expectedPlayer {
t.Errorf(
"game.CurrentPlayer() = %v, want %v",
actualPlayer,
expectedPlayer,
)
}
}
