public void GetOpponent_ReturnsPlayersOpponentOrThrowsException()
{
var players = new[] { P1, P2, P3 };
var tournament = new Tournament(new PairingGenerator(), 1) { Players = players };
tournament.Rounds.ElementAt(0).Pairings = tournament.SwissPairings();
Assert.Equal(players[0], tournament.Rounds.ElementAt(0).Pairings.ElementAt(0).GetOpponent(players[1]));
Assert.Equal(Player.CreateEmpty(), tournament.Rounds.ElementAt(0).Pairings.ElementAt(1).GetOpponent(players[2]));
Assert.Throws<ArgumentException>(() => tournament.Rounds.ElementAt(0).Pairings.ElementAt(0).GetOpponent(new Player { Name = "P4" }));
}
public void Swap_ChangesPlacesOfTwoPlayersInRound()
{
var p1 = new Player { Name = "P1" };
var p2 = new Player { Name = "P2" };
var p3 = new Player { Name = "P3" };
var p4 = new Player { Name = "P4" };
var tournament = new Tournament(new PairingGenerator(), 1) { Players = new[] { p1, p2, p3, p4 } };
var pairings = tournament.SwissPairings().ToList();
var round = tournament.Rounds.ElementAt(0);
round.Pairings = pairings;
round.Swap(pairings.ElementAt(0).Player1, pairings.ElementAt(1).Player2);
Assert.Equal(p4, pairings[0].Player1);
Assert.Equal(p2, pairings[0].Player2);
Assert.Equal(p3, pairings[1].Player1);
Assert.Equal(p1, pairings[1].Player2);
round.Swap(p2, p1);
Assert.Equal(p4, pairings[0].Player1);
Assert.Equal(p1, pairings[0].Player2);
Assert.Equal(p3, pairings[1].Player1);
Assert.Equal(p2, pairings[1].Player2);
}
public void GetStandings_ReturnsPlayersWithScoresInDescOrder()
{
var tournament = new Tournament(new PairingGenerator(), 2) { Players = new[] { P1, P2, P3, P4 } };
var pairings = tournament.RandomizePairings().ToList();
pairings[0].SetScore(15, 5);
pairings[1].SetScore(10, 10);
PairingGenerator.Setup(
pg => pg.Swiss(It.IsAny<IOrderedEnumerable<KeyValuePair<Player, int>>>(), It.IsAny<IList<Pairing>>()))
.Returns(pairings);
var standings = new Round { Pairings = pairings }.GetStandings().Select(i => i.Value).ToList();
Assert.Equal(tournament.Players.Count(), standings.Count);
Assert.Equal(standings, standings.OrderByDescending(i => i));
}
public void ModifyingPlayerList_ResetsRounds()
{
var tournament = new Tournament(new PairingGenerator(), 1) { Players = new[] { P1, P2 } };
var round = tournament.Rounds.First();
round.Pairings = tournament.RandomizePairings();
Assert.NotNull(tournament.Rounds.First().Pairings);
tournament.Players = new[] { P1, P2, P3 };
Assert.NotEqual(round, tournament.Rounds.First());
Assert.Empty(tournament.Rounds.First().Pairings);
}
public void GetPlayerStandings_CalculatesScoresFromAllRounds()
{
var tournament = new Tournament(new PairingGenerator(), 3)
{
Players = new List<Player> { P1, P2, P3, P4 }
};
var pairings = tournament.SwissPairings().ToList();
pairings[0].SetScore(12, 8);
pairings[1].SetScore(1, 19);
tournament.Rounds.ElementAt(0).Pairings = pairings;
pairings = tournament.SwissPairings().ToList();
pairings[0].SetScore(13, 7);
pairings[1].SetScore(10, 10);
tournament.Rounds.ElementAt(1).Pairings = pairings;
var standings = tournament.GetPlayerStandings();
VerifyPlayersStandingWithScore(standings.ElementAt(0), P4, 32);
VerifyPlayersStandingWithScore(standings.ElementAt(1), P1, 19);
VerifyPlayersStandingWithScore(standings.ElementAt(2), P2, 18);
VerifyPlayersStandingWithScore(standings.ElementAt(3), P3, 11);
}
