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It works reliably 50% of the time
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| <?php | ||
|
|
||
| class MatchEloTest extends TestCase | ||
| { | ||
| /** @var \Faker\Generator */ | ||
| private $faker; | ||
| private $createdModels = []; | ||
|
|
||
| protected function setUp() | ||
| { | ||
| $this->connectToDatabase(); | ||
|
|
||
| $this->faker = Faker\Factory::create(); | ||
| } | ||
|
|
||
| public function tearDown() | ||
| { | ||
| foreach ($this->createdModels as $model) | ||
| { | ||
| $this->wipe($model); | ||
| } | ||
|
|
||
| parent::tearDown(); | ||
| } | ||
|
|
||
| // Yes, we need a test for our own helper function in our tests | ||
| public function testGenerateMatches() | ||
| { | ||
| $matchCount = 8; | ||
|
|
||
| $team = null; | ||
| $matches = []; | ||
|
|
||
| $this->generateMatches($matchCount, $team, $matches); | ||
|
|
||
| $this->assertArrayLengthEquals($matches, $matchCount); | ||
| $this->assertInstanceOf(Team::class, $team); | ||
| $this->assertInstanceOf(Match::class, $matches[0]); | ||
| } | ||
|
|
||
| public function testGenerateTeamWithPlayers() | ||
| { | ||
| $playerCount = 5; | ||
|
|
||
| $team = null; | ||
| $players = []; | ||
|
|
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| $this->generateTeamWithPlayers($playerCount, $team, $players); | ||
|
|
||
| $this->assertArrayLengthEquals($players, $playerCount); | ||
| $this->assertInstanceOf(Team::class, $team); | ||
| $this->assertInstanceOf(Player::class, $players[0]); | ||
| } | ||
|
|
||
| // Onward to our real tests for Elo recalculations! | ||
| public function testEloRecalculation() | ||
| { | ||
| /** @var Team $team */ | ||
| $team = null; | ||
| /** @var Match[] $matches */ | ||
| $matches = []; | ||
|
|
||
| $this->generateMatches(10, $team, $matches); | ||
|
|
||
| $preRecalcTeamElo = $team->getElo(); | ||
| $preRecalcLeaderElo = $team->getLeader()->getElo(); | ||
|
|
||
| $matchToEdit = $matches[3]; | ||
|
|
||
| $matchResult = $matchToEdit->getMatchDescription($team); | ||
| $scoreTeamA = $matchToEdit->getScore($matchToEdit->getTeamA()); | ||
| $scoreTeamB = $matchToEdit->getScore($matchToEdit->getTeamB()); | ||
|
|
||
| $matchToEdit->setTeamPoints($scoreTeamB, $scoreTeamA); | ||
|
|
||
| Match::recalculateMatchesSince($matchToEdit); | ||
|
|
||
| $newLeaderElo = Player::get($team->getLeader())->getElo(); | ||
| $newTeamElo = Team::get($team->getId())->getElo(); | ||
|
|
||
| if ($matchResult === 'win') { | ||
| $this->assertLessThan($preRecalcLeaderElo, $newLeaderElo); | ||
| $this->assertLessThan($preRecalcTeamElo, $newTeamElo); | ||
| } elseif ($matchResult === 'loss') { | ||
| $this->assertGreaterThan($preRecalcLeaderElo, $newLeaderElo); | ||
| $this->assertGreaterThan($preRecalcTeamElo, $newTeamElo); | ||
| } else { | ||
| $this->assertEquals($preRecalcLeaderElo, $newLeaderElo); | ||
| $this->assertEquals($preRecalcTeamElo, $newTeamElo); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Generate random matches with a single team always being in the match. | ||
| * | ||
| * @param int $numberOfMatches | ||
| * @param Team $team_a | ||
| * @param Match[] $matches | ||
| * | ||
| * @throws Exception | ||
| */ | ||
| private function generateMatches($numberOfMatches, &$team_a, array &$matches) | ||
| { | ||
| $participantCount = $this->faker->numberBetween(2, 10); | ||
|
|
||
| $team_a = $team_b = null; | ||
| $team_a_players = $team_b_players = []; | ||
|
|
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| $this->generateTeamWithPlayers($participantCount, $team_a, $team_a_players); | ||
| $this->generateTeamWithPlayers($participantCount, $team_b, $team_b_players); | ||
|
|
||
| $team_a_roster = __::map($team_a_players, function ($n) { return $n->getId(); }); | ||
| $team_b_roster = __::map($team_b_players, function ($n) { return $n->getId(); }); | ||
|
|
||
| for ($i = 0; $i < $numberOfMatches; $i++) { | ||
| $matches[$i] = Match::enterMatch( | ||
| $team_a->getId(), | ||
| ($this->faker->boolean) ? $team_b : null, | ||
| $this->faker->numberBetween(0, 6), | ||
| $this->faker->numberBetween(0, 6), | ||
| $this->faker->randomElement([15, 20, 30]), | ||
| null, | ||
| sprintf('-%d days', $numberOfMatches - $i), | ||
| $team_a_roster, | ||
| $team_b_roster, | ||
| null, | ||
| null, | ||
| null, | ||
| 'official', | ||
| 'red', | ||
| 'purple' | ||
| ); | ||
|
|
||
| array_unshift($this->createdModels, $matches[$i]); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Generate a real team with multiple players assigned to the team. | ||
| * | ||
| * @param int $playerCount | ||
| * @param Team $team | ||
| * @param Player[] $players | ||
| * | ||
| * @throws Exception | ||
| */ | ||
| private function generateTeamWithPlayers($playerCount, &$team, array &$players) | ||
| { | ||
| $players[0] = $this->getNewPlayer(); | ||
|
|
||
| $team = Team::createTeam($this->faker->text($maxNbChars = 42), $players[0]->getId(), '', ''); | ||
|
|
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| array_unshift($this->createdModels, $team); | ||
|
|
||
| for ($i = 1; $i < $playerCount; $i++) { | ||
| $players[$i] = $this->getNewPlayer(); | ||
| $team->addMember($players[$i]->getId()); | ||
| } | ||
| } | ||
| } |
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