public void UpdatePlayerRankScores_ThreePlayers_SkipOnEqualRanking()
{
var scoredPlayers = new[] { new Player {
RankingScore = 1000
}, new Player {
RankingScore = 1000
}, new Player {
RankingScore = 900
} };
var rankedPlayers = TournamentsService.RecalculateRankings(scoredPlayers);
Assert.IsTrue(rankedPlayers[0].Rank == 1 && rankedPlayers[1].Rank == 1 && rankedPlayers[2].Rank == 3, "Ranking should reflect the influence of previously equal rankings.");
}
public void UpdatePlayerRankScores_TwoPlayersDifferentScore_NoRankLessThan1()
{
// Arrange
var scoredPlayers = new[] { new Player {
RankingScore = 1000
}, new Player {
RankingScore = 2000
} };
// Act
var rankedPlayers = TournamentsService.RecalculateRankings(scoredPlayers);
// Assert
Assert.IsFalse(rankedPlayers.Any(p => p.Rank < 1), "Ranks should start at 1");
}
public void UpdatePlayerRankScores_TwoPlayersDifferentScore_HigherRankIsRankedFirst()
{
// Arrange
var scoredPlayers = new[] { new Player {
RankingScore = 1000
}, new Player {
RankingScore = 2000
} };
// Act
var rankedPlayers = TournamentsService.RecalculateRankings(scoredPlayers);
// Assert
Assert.IsTrue(rankedPlayers.First(p => p.RankingScore == 2000).Rank == 1, "The player with the higher ranking score should be ranked 1st (1)");
}
public void UpdatePlayerRankScores_TwoPlayersSameScore_RankIsNotNull()
{
// Arrange
var scoredPlayers = new[] { new Player {
RankingScore = 1000
}, new Player {
RankingScore = 1000
} };
// Act
var rankedPlayers = TournamentsService.RecalculateRankings(scoredPlayers);
// Assert
Assert.IsFalse(rankedPlayers.Any(p => p is null), "No player rank should be null");
}
public void UpdatePlayerRankScores_TwoPlayersSameScore_BothPlayersHaveSameRank()
{
// Arrange
var scoredPlayers = new[] { new Player {
RankingScore = 1000
}, new Player {
RankingScore = 1000
} };
// Act
var rankedPlayers = TournamentsService.RecalculateRankings(scoredPlayers);
// Assert
Assert.AreEqual(rankedPlayers[0].Rank, rankedPlayers[1].Rank, "The ranks of these two players should be the same, because they have the same score.");
}
