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