Files
core/tests/GameClockTest.php
T

100 lines
3.6 KiB
PHP

<?php
namespace sammo;
use PHPUnit\Framework\TestCase;
require_once __DIR__ . '/../src/sammo/GameClock.php';
final class GameClockTest extends TestCase
{
/** @dataProvider supportedTurnTerms */
public function testEachSupportedTurnTermHasIntegerTicksPerSecond(int $turnTerm, int $ticksPerSecond): void
{
$base = new \DateTimeImmutable('2026-08-03 00:00:00.000000');
$clock = new GameClock($base, $turnTerm, 0, GameClock::MODE_MANUAL, $base);
self::assertSame($ticksPerSecond, $clock->ticksPerSecond());
self::assertSame(GameClock::TICKS_PER_TURN, $clock->ticksFromMinutes($turnTerm));
}
public static function supportedTurnTerms(): array
{
return [
'1 minute' => [1, 600_000],
'2 minutes' => [2, 300_000],
'5 minutes' => [5, 120_000],
'10 minutes' => [10, 60_000],
'60 minutes' => [60, 10_000],
'120 minutes' => [120, 5_000],
];
}
public function testTickFormulaAndDisplayProjectionRoundTrip(): void
{
$base = new \DateTimeImmutable('2026-08-03 12:34:56.000000');
$clock = new GameClock($base, 60, 0, GameClock::MODE_MANUAL, $base);
$tick = GameClock::TICKS_PER_TURN * 7 + 12_345;
self::assertSame(['turn' => 7, 'subTick' => 12_345], $clock->splitTick($tick));
self::assertSame($tick, $clock->dateTimeToTick($clock->tickToDateTime($tick)));
self::assertSame('2026-08-03 19:34:57.234500', $clock->formatTick($tick, true));
}
public function testManualModeDoesNotReadWallClock(): void
{
$base = new \DateTimeImmutable('2026-08-03 00:00:00.000000');
$wallRead = false;
$clock = new GameClock(
$base,
10,
123_456,
GameClock::MODE_MANUAL,
$base,
function () use (&$wallRead): \DateTimeImmutable {
$wallRead = true;
return new \DateTimeImmutable('2099-01-01 00:00:00.000000');
},
);
self::assertSame(123_456, $clock->nowTick());
self::assertFalse($wallRead);
}
public function testNegativeTickProjectionAndBaseRecalculation(): void
{
$projected = new \DateTimeImmutable('2026-08-03 12:00:00.123400');
$tick = -36_001_234;
$base = GameClock::baseTimeForProjection($projected, $tick, 60);
$clock = new GameClock($base, 60, $tick, GameClock::MODE_MANUAL, $projected);
self::assertSame($tick, $clock->dateTimeToTick($clock->tickToDateTime($tick)));
self::assertSame('2026-08-03 12:00:00.123400', $clock->formatTick($tick, true));
self::assertSame(['turn' => -2, 'subTick' => 35_998_766], $clock->splitTick($tick));
}
public function testRealtimeModeAdvancesFromAnchorWithoutDatabaseNow(): void
{
$base = new \DateTimeImmutable('2026-08-03 00:00:00.000000');
$wallAnchor = new \DateTimeImmutable('2026-08-03 10:00:00.000000');
$clock = new GameClock(
$base,
120,
100,
GameClock::MODE_REALTIME,
$wallAnchor,
fn (): \DateTimeImmutable => new \DateTimeImmutable('2026-08-03 10:00:01.500000'),
);
self::assertSame(7_600, $clock->nowTick());
}
public function testTickArithmeticRejectsValuesThatJavaScriptCannotRepresentExactly(): void
{
self::assertSame(GameClock::MAX_SAFE_TICK, GameClock::addTicks(GameClock::MAX_SAFE_TICK - 1, 1));
$this->expectException(\OverflowException::class);
GameClock::addTicks(GameClock::MAX_SAFE_TICK, 1);
}
}