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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| <?php | ||
|
|
||
| namespace Phikl\Cache; | ||
|
|
||
| use Psr\SimpleCache\CacheInterface; | ||
|
|
||
| /** | ||
| * Simple implementation of the PSR-16 CacheInterface using APCu | ||
| * for the Pkl modules evaluation cache. | ||
| */ | ||
| final class ApcuCache implements CacheInterface | ||
| { | ||
| public function __construct() | ||
| { | ||
| if (!\extension_loaded('apcu')) { | ||
| throw new \RuntimeException('APCu extension is not loaded'); | ||
| } | ||
|
|
||
| if (!function_exists('apcu_enabled') || !apcu_enabled()) { | ||
| throw new \RuntimeException('APCu is not enabled'); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * @param non-empty-string $key | ||
| */ | ||
| public function get(string $key, mixed $default = null): Entry|null | ||
| { | ||
| if ($default !== null && !$default instanceof Entry) { | ||
| throw new \InvalidArgumentException('Default value must be null or an instance of Entry'); | ||
| } | ||
|
|
||
| $entry = apcu_fetch($key); | ||
| if ($entry === false) { | ||
| return $default; | ||
| } | ||
|
|
||
| $entry = @unserialize($entry); | ||
| if ($entry === false) { | ||
| return $default; | ||
| } | ||
|
|
||
| return $entry; | ||
| } | ||
|
|
||
| public function set(string $key, mixed $value, \DateInterval|int|null $ttl = null): bool | ||
| { | ||
| if (!$value instanceof Entry) { | ||
| return false; | ||
| } | ||
|
|
||
| return apcu_store( | ||
| $key, | ||
| serialize($value), | ||
| $ttl instanceof \DateInterval ? (int) ($ttl->format('U')) - \time() : ($ttl ?? 0) | ||
| ); | ||
| } | ||
|
|
||
| public function delete(string $key): bool | ||
| { | ||
| return apcu_delete($key); | ||
| } | ||
|
|
||
| /** | ||
| * Caution, this method will clear the entire cache, not just the cache for this application. | ||
| */ | ||
| public function clear(): bool | ||
| { | ||
| return apcu_clear_cache(); | ||
| } | ||
|
|
||
| /** | ||
| * @param iterable<non-empty-string> $keys | ||
| * | ||
| * @return array<non-empty-string, Entry|null> | ||
| */ | ||
| public function getMultiple(iterable $keys, mixed $default = null): array | ||
| { | ||
| $entries = []; | ||
| foreach ($keys as $key) { | ||
| $entries[$key] = $this->get($key, $default); | ||
| } | ||
|
|
||
| return $entries; | ||
| } | ||
|
|
||
| /** | ||
| * @param iterable<string, Entry> $values | ||
| */ | ||
| public function setMultiple(iterable $values, \DateInterval|int|null $ttl = null): bool | ||
| { | ||
| foreach ($values as $key => $value) { | ||
| if (!$this->set($key, $value, $ttl)) { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| return true; | ||
| } | ||
|
|
||
| /** | ||
| * @param iterable<string> $keys | ||
| */ | ||
| public function deleteMultiple(iterable $keys): bool | ||
| { | ||
| $success = true; | ||
| foreach ($keys as $key) { | ||
| if (!$this->delete($key)) { | ||
| $success = false; | ||
| } | ||
| } | ||
|
|
||
| return $success; | ||
| } | ||
|
|
||
| public function has(string $key): bool | ||
| { | ||
| return apcu_exists($key); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| <?php | ||
|
|
||
| namespace Cache; | ||
|
|
||
| use Phikl\Cache\ApcuCache; | ||
| use Phikl\Cache\Entry; | ||
| use PHPUnit\Framework\Attributes\CoversClass; | ||
| use PHPUnit\Framework\Attributes\RequiresPhpExtension; | ||
| use PHPUnit\Framework\TestCase; | ||
|
|
||
| #[RequiresPhpExtension('apcu')] | ||
| #[CoversClass(ApcuCache::class)] | ||
| class ApcuCacheTest extends TestCase | ||
| { | ||
| protected function tearDown(): void | ||
| { | ||
| apcu_clear_cache(); | ||
| } | ||
|
|
||
| public function testGetWithDefaultOtherThanEntryInstance(): void | ||
| { | ||
| $cache = new ApcuCache(); | ||
|
|
||
| $this->expectException(\InvalidArgumentException::class); | ||
| $this->expectExceptionMessage('Default value must be null or an instance of Entry'); | ||
|
|
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| $cache->get('key', 'invalid'); | ||
| } | ||
|
|
||
| public function testGetReturnsDefaultIfKeyDoesNotExist(): void | ||
| { | ||
| $cache = new ApcuCache(); | ||
|
|
||
| $entry = new Entry('content', 'hash', 0); | ||
|
|
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| $this->assertNull($cache->get('nonexistent')); | ||
| $this->assertSame($entry, $cache->get('nonexistent', $entry)); | ||
| $this->assertFalse($cache->has('nonexistent')); | ||
| } | ||
|
|
||
| public function testGetOnValidSetEntry(): void | ||
| { | ||
| $cache = new ApcuCache(); | ||
|
|
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| $entry = new Entry('content', 'hash', $time = \time()); | ||
|
|
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| $this->assertTrue($cache->set('key', $entry)); | ||
|
|
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| $entry = $cache->get('key'); | ||
| $this->assertInstanceOf(Entry::class, $entry); | ||
| $this->assertSame('content', $entry->content); | ||
| $this->assertSame('hash', $entry->hash); | ||
| $this->assertSame($time, $entry->timestamp); | ||
| } | ||
|
|
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| public function testSetReturnsFalseOnInvalidEntry(): void | ||
| { | ||
| $cache = new ApcuCache(); | ||
|
|
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| $this->assertFalse($cache->set('key', 'invalid')); | ||
| } | ||
|
|
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| public function testDeleteEntry(): void | ||
| { | ||
| $cache = new ApcuCache(); | ||
|
|
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| $entry = new Entry('content', 'hash', 0); | ||
| $cache->set('key', $entry); | ||
|
|
||
| $this->assertTrue($cache->delete('key')); | ||
| $this->assertNull($cache->get('key')); | ||
| } | ||
|
|
||
| public function testClear(): void | ||
| { | ||
| $cache = new ApcuCache(); | ||
|
|
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| $entry = new Entry('content', 'hash', 0); | ||
| $cache->set('key', $entry); | ||
|
|
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| $this->assertTrue($cache->clear()); | ||
| $this->assertNull($cache->get('key')); | ||
| } | ||
|
|
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| public function testGetSetMultiple(): void | ||
| { | ||
| $cache = new ApcuCache(); | ||
|
|
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| $entry1 = new Entry('content1', 'hash1', 0); | ||
| $entry2 = new Entry('content2', 'hash2', 0); | ||
| $entry3 = new Entry('content3', 'hash3', 0); | ||
|
|
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| $cache->setMultiple([ | ||
| 'key1' => $entry1, | ||
| 'key2' => $entry2, | ||
| 'key3' => $entry3, | ||
| ]); | ||
|
|
||
| $entries = $cache->getMultiple(['key1', 'key2', 'key3']); | ||
|
|
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| $this->assertArrayHasKey('key1', $entries); | ||
| $this->assertArrayHasKey('key2', $entries); | ||
| $this->assertArrayHasKey('key3', $entries); | ||
|
|
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| $this->assertInstanceOf(Entry::class, $entries['key1']); | ||
| $this->assertSame('content1', $entries['key1']->content); | ||
| $this->assertSame('hash1', $entries['key1']->hash); | ||
|
|
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| $this->assertInstanceOf(Entry::class, $entries['key2']); | ||
| $this->assertSame('content2', $entries['key2']->content); | ||
| $this->assertSame('hash2', $entries['key2']->hash); | ||
|
|
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| $this->assertInstanceOf(Entry::class, $entries['key3']); | ||
| $this->assertSame('content3', $entries['key3']->content); | ||
| $this->assertSame('hash3', $entries['key3']->hash); | ||
| } | ||
|
|
||
| public function testDeleteMultiple(): void | ||
| { | ||
| $cache = new ApcuCache(); | ||
|
|
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| $entry1 = new Entry('content1', 'hash1', 0); | ||
| $entry2 = new Entry('content2', 'hash2', 0); | ||
| $entry3 = new Entry('content3', 'hash3', 0); | ||
|
|
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| $cache->setMultiple([ | ||
| 'key1' => $entry1, | ||
| 'key2' => $entry2, | ||
| 'key3' => $entry3, | ||
| ]); | ||
|
|
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| $this->assertTrue($cache->deleteMultiple(['key1', 'key2'])); | ||
| $this->assertNull($cache->get('key1')); | ||
| $this->assertNull($cache->get('key2')); | ||
| $this->assertNotNull($cache->get('key3')); | ||
| } | ||
|
|
||
| public function testHas(): void | ||
| { | ||
| $cache = new ApcuCache(); | ||
|
|
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| $entry = new Entry('content', 'hash', 0); | ||
| $cache->set('key', $entry); | ||
|
|
||
| $this->assertTrue($cache->has('key')); | ||
| $this->assertFalse($cache->has('invalid')); | ||
| } | ||
| } |