/**
* @dataProvider getNewRatingsData
*/
public function testGetNewRatings($ratingA, $ratingB, $result, $expectedNewRatingA, $expectedNewRatingB, EloCalculatorInterface $eloCalculator)
{
if ($result === AbstractEloCalculator::WIN) {
$scoreA = AbstractEloCalculator::WIN;
$scoreB = AbstractEloCalculator::LOSE;
} elseif ($result === AbstractEloCalculator::LOSE) {
$scoreA = AbstractEloCalculator::LOSE;
$scoreB = AbstractEloCalculator::WIN;
} else {
$scoreA = AbstractEloCalculator::DRAW;
$scoreB = AbstractEloCalculator::DRAW;
}
$participantA = new Participant();
$participantA->setRating($ratingA);
$participantA->setScore($scoreA);
$participantB = new Participant();
$participantB->setRating($ratingB);
$participantB->setScore($scoreB);
list($newRatingA, $newRatingB) = $eloCalculator->getNewRatings($participantA, $participantB);
$this->assertSame($expectedNewRatingA, $newRatingA);
$this->assertSame($expectedNewRatingB, $newRatingB);
}
/**
* @param ParticipantInterface $team1Participant
* @param ParticipantInterface $team2Participant
* @return float
*/
private function getTeam1ParticipantNewRating(ParticipantInterface $team1Participant, ParticipantInterface $team2Participant)
{
$newRatings = $this->eloCalculator->getNewRatings($team1Participant, $team2Participant);
return $newRatings[0];
}