Files
weerscherm/tests/CacheTest.php
2026-09-11 14:38:30 +02:00

73 lines
2.0 KiB
PHP

<?php
declare(strict_types=1);
namespace Weerscherm\Tests;
use PHPUnit\Framework\TestCase;
use Weerscherm\Cache;
final class CacheTest extends TestCase
{
private string $dir;
protected function setUp(): void
{
$this->dir = sys_get_temp_dir() . '/weerscherm-cache-' . uniqid();
}
protected function tearDown(): void
{
array_map('unlink', glob($this->dir . '/*') ?: []);
@rmdir($this->dir);
}
public function testWriteThenReadRoundTrip(): void
{
$cache = new Cache($this->dir);
$cache->write('stations', ['a' => 1.5, 'b' => null], 1000);
self::assertSame(['data' => ['a' => 1.5, 'b' => null], 'stored_at' => 1000], $cache->read('stations'));
}
public function testMissingKeyReadsNull(): void
{
self::assertNull((new Cache($this->dir))->read('nope'));
}
public function testCorruptFileReadsNull(): void
{
mkdir($this->dir, 0700, true);
file_put_contents($this->dir . '/broken.json', '{not json');
self::assertNull((new Cache($this->dir))->read('broken'));
}
public function testFreshness(): void
{
$cache = new Cache($this->dir);
$cache->write('k', [], 1000);
self::assertTrue($cache->isFresh('k', 300, 1299));
self::assertFalse($cache->isFresh('k', 300, 1300));
self::assertFalse($cache->isFresh('missing', 300, 1000));
}
public function testKeyIsSanitised(): void
{
$cache = new Cache($this->dir);
$cache->write('../Evil Key', ['x' => 1], 1);
self::assertFileExists($this->dir . '/evil_key.json');
self::assertSame(['x' => 1], $cache->read('../Evil Key')['data']);
}
public function testWriteCreatesDirectory(): void
{
(new Cache($this->dir . '/nested'))->write('k', [], 1);
self::assertDirectoryExists($this->dir . '/nested');
unlink($this->dir . '/nested/k.json');
rmdir($this->dir . '/nested');
}
}