public async Task CalculateElo_TieGameWithDifferentElo_EloChanged()
{
var match = new MatchBuilder <TwoPlayerMatch>()
.WithParticipants("Player 1", 1000, "Player 2", 1200)
.Build();
var result = await _sut.AddMatchAsync <TwoPlayerMatch>(match);
var player1 = result.Player1;
var player2 = result.Player2;
Assert.Equal(1007.8, player1.CurrentElo, 1);
Assert.Equal(1192.2, player2.CurrentElo, 1);
}
public async Task CalculateElo_EloChangeBelowZero_ReturnsZero()
{
var match = new MatchBuilder <TwoPlayerMatch>()
.WithParticipants("Player 1", 0, "Player 2", 1000)
.WithWinningTeam(TeamSide.Away)
.Build();
var result = await _sut.AddMatchAsync <TwoPlayerMatch>(match);
var player1 = result.Player1;
Assert.Equal("Player 1", player1.Name);
Assert.Equal(0, player1.CurrentElo);
}
public async Task CalculateElo_RankedTeamTeam2Wins_EloUpdated()
{
var match = new MatchBuilder <TeamMatch>()
.WithParticipants("Team 1", 1200, "Team 2", 1000)
.WithWinningTeam(TeamSide.Away)
.Build();
var result = await _sut.AddMatchAsync <TeamMatch>(match);
var team1 = result.Team1;
var team2 = result.Team2;
Assert.Equal("Team 1", team1.Name);
Assert.Equal(1177.2, team1.CurrentElo, 1);
Assert.Equal("Team 2", team2.Name);
Assert.Equal(1022.8, team2.CurrentElo, 1);
}
public async Task CalculateElo_TwoPlayersTeam2Wins_EloUpdated()
{
var match = new MatchBuilder <TwoPlayerMatch>()
.WithParticipants("Player 1", 1200, "Player 2", 1000)
.WithWinningTeam(TeamSide.Away)
.Build();
var result = await _sut.AddMatchAsync <TwoPlayerMatch>(match);
var player1 = result.Player1;
var player2 = result.Player2;
Assert.Equal("Player 1", player1.Name);
Assert.Equal(1177.2, player1.CurrentElo, 1);
Assert.Equal("Player 2", player2.Name);
Assert.Equal(1022.8, player2.CurrentElo, 1);
}
