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	Moved UnitTests to tests/ and Skills to src/
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								tests/Elo/EloAssert.php
									
									
									
									
									
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								tests/Elo/EloAssert.php
									
									
									
									
									
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<?php
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namespace Moserware\Skills\Elo;
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require_once(dirname(__FILE__) . '/../../Skills/Elo/EloRating.php');
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require_once(dirname(__FILE__) . '/../../Skills/GameInfo.php');
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require_once(dirname(__FILE__) . '/../../Skills/PairwiseComparison.php');
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use Moserware\Skills\GameInfo;
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use Moserware\Skills\PairwiseComparison;
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class EloAssert
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{
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    const ERROR_TOLERANCE = 0.1;
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    public static function assertChessRating(
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                                            $testClass,
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                                            $twoPlayerEloCalculator,
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                                            $player1BeforeRating,
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                                            $player2BeforeRating,
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                                            $player1Result,
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                                            $player1AfterRating,
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                                            $player2AfterRating)
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    {
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            $player1 = "Player1";
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            $player2 = "Player2";
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            $teams = array(
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                           array( $player1 => new EloRating($player1BeforeRating) ),
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                           array( $player2 => new EloRating($player2BeforeRating) )
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                           );        
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            $chessGameInfo = new GameInfo(1200, 0, 200);
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            $ranks = PairwiseComparison::getRankFromComparison($player1Result);
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            $result = $twoPlayerEloCalculator->calculateNewRatings(
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                $chessGameInfo,
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                $teams,
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                $ranks);
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            $testClass->assertEquals($player1AfterRating, $result[$player1]->getMean(), '', self::ERROR_TOLERANCE);
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            $testClass->assertEquals($player2AfterRating, $result[$player2]->getMean(), '', self::ERROR_TOLERANCE);
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    }    
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}
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?>
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