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50 lines
1.6 KiB
PHP
50 lines
1.6 KiB
PHP
<?php
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namespace DNW\Skills\Tests\TrueSkill;
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use DNW\Skills\Tests\TestCase;
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use DNW\Skills\GameInfo;
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use DNW\Skills\Player;
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use DNW\Skills\Team;
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use DNW\Skills\TrueSkill\FactorGraphTrueSkillCalculator;
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class FactorGraphTrueSkillCalculatorTest extends TestCase
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{
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public function testMicrosoftResearchExample(): void
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{
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$gameInfo = new GameInfo();
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$players[] = new Player("alice");
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$players[] = new Player("bob");
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$players[] = new Player("chris");
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$players[] = new Player("darren");
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$players[] = new Player("eve");
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$players[] = new Player("fabien");
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$players[] = new Player("george");
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$players[] = new Player("hillary");
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foreach ($players as $player) {
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$teams[] = new Team($player, $gameInfo->getDefaultRating());
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}
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$calculator = new FactorGraphTrueSkillCalculator();
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$newRatings = $calculator->calculateNewRatings($gameInfo, $teams, [1,2,3,4,5,6,7,8]);
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$expected['alice'] = [36.771, 5.749];
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$expected['bob'] = [32.242, 5.133];
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$expected['chris'] = [29.074, 4.943];
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$expected['darren'] = [26.322, 4.874];
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$expected['eve'] = [23.678, 4.874];
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$expected['fabien'] = [20.926, 4.943];
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$expected['george'] = [17.758, 5.133];
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$expected['hillary'] = [13.229, 5.749];
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foreach ($players as $player) {
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$rating = $newRatings->getRating($player);
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$this->assertEqualsWithDelta($expected[$player->getId()][0], $rating->getMean(), 0.001);
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$this->assertEqualsWithDelta($expected[$player->getId()][1], $rating->getStandardDeviation(), 0.001);
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}
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}
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}
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