<?php
/**
* Cache System Test
*
* This script tests the file cache implementation to ensure:
* - Cache writes and reads work
* - TTL expiration works
* - Pattern-based deletion works
* - Cache statistics are accurate
*
* Run: php tests/cache_test.php
*/
require_once __DIR__ . '/../vendor/autoload.php';
use App\Cache\CacheManager;
echo "===================================\n";
echo "Cache System Test\n";
echo "===================================\n\n";
// Load cache config
$config = require __DIR__ . '/../config/cache.php';
// Initialize cache manager
$cache = new CacheManager($config);
echo "? Cache manager initialized\n";
echo " Driver: " . $config['driver'] . "\n";
echo " Enabled: " . ($config['enabled'] ? 'yes' : 'no') . "\n\n";
// Test 1: Write and Read
echo "Test 1: Write and Read\n";
echo "------------------------\n";
$testData = [
'id' => 123,
'name' => 'John Doe',
'email' => 'john@example.com'
];
$key = $cache->generateKey('users', ['page' => 1]);
echo " Cache key: $key\n";
$result = $cache->set($key, $testData, 'users');
echo " Write: " . ($result ? '? Success' : '? Failed') . "\n";
$retrieved = $cache->get($key);
echo " Read: " . ($retrieved === $testData ? '? Success' : '? Failed') . "\n";
echo " Data matches: " . ($retrieved === $testData ? 'yes' : 'no') . "\n\n";
// Test 2: Cache Miss
echo "Test 2: Cache Miss\n";
echo "------------------------\n";
$nonExistent = $cache->get('nonexistent:key:12345');
echo " Non-existent key: " . ($nonExistent === null ? '? Returns null' : '? Should return null') . "\n\n";
// Test 3: TTL Configuration
echo "Test 3: TTL Configuration\n";
echo "------------------------\n";
$usersTtl = $cache->getTtl('users');
$productsTtl = $cache->getTtl('products');
$defaultTtl = $cache->getTtl('unknown_table');
echo " Users TTL: $usersTtl seconds\n";
echo " Products TTL: $productsTtl seconds\n";
echo " Default TTL: $defaultTtl seconds\n\n";
// Test 4: Should Cache Check
echo "Test 4: Should Cache Check\n";
echo "------------------------\n";
$shouldCacheUsers = $cache->shouldCache('users');
$shouldCacheSessions = $cache->shouldCache('sessions');
echo " Should cache 'users': " . ($shouldCacheUsers ? 'yes ?' : 'no') . "\n";
echo " Should cache 'sessions': " . ($shouldCacheSessions ? 'no ?' : 'yes ?') . "\n\n";
// Test 5: Multiple Cache Entries
echo "Test 5: Multiple Cache Entries\n";
echo "------------------------\n";
// Cache multiple pages of users
for ($i = 1; $i <= 3; $i++) {
$key = $cache->generateKey('users', ['page' => $i]);
$data = ['page' => $i, 'users' => ["user{$i}"]];
$cache->set($key, $data, 'users');
echo " Cached users page $i\n";
}
// Cache some products
for ($i = 1; $i <= 2; $i++) {
$key = $cache->generateKey('products', ['page' => $i]);
$data = ['page' => $i, 'products' => ["product{$i}"]];
$cache->set($key, $data, 'products');
echo " Cached products page $i\n";
}
echo "\n";
// Test 6: Cache Statistics
echo "Test 6: Cache Statistics\n";
echo "------------------------\n";
$stats = $cache->getStats();
echo " Driver: " . $stats['driver'] . "\n";
echo " Total files: " . $stats['total_files'] . "\n";
echo " Valid files: " . $stats['valid_files'] . "\n";
echo " Total size: " . $stats['total_size_human'] . "\n";
echo " Hit ratio: " . ($stats['hit_ratio'] * 100) . "%\n\n";
// Test 7: Table Invalidation
echo "Test 7: Table Invalidation\n";
echo "------------------------\n";
echo " Before invalidation:\n";
$key1 = $cache->generateKey('users', ['page' => 1]);
$beforeInvalidation = $cache->get($key1);
echo " Users page 1 exists: " . ($beforeInvalidation !== null ? 'yes' : 'no') . "\n";
// Invalidate all users cache
$cache->invalidateTable('users');
echo " ? Invalidated 'users' table cache\n";
$afterInvalidation = $cache->get($key1);
echo " Users page 1 exists: " . ($afterInvalidation !== null ? 'yes' : 'no') . "\n";
// Products should still be cached
$productsKey = $cache->generateKey('products', ['page' => 1]);
$productsCache = $cache->get($productsKey);
echo " Products page 1 exists: " . ($productsCache !== null ? 'yes ?' : 'no') . "\n\n";
// Test 8: Cache Clear
echo "Test 8: Cache Clear\n";
echo "------------------------\n";
echo " Before clear:\n";
$stats = $cache->getStats();
echo " Total files: " . $stats['total_files'] . "\n";
$cache->clear();
echo " ? Cleared entire cache\n";
$stats = $cache->getStats();
echo " After clear:\n";
echo " Total files: " . $stats['total_files'] . "\n\n";
// Test 9: TTL Expiration (Short TTL)
echo "Test 9: TTL Expiration\n";
echo "------------------------\n";
$shortKey = 'test:expiration:' . time();
$cache->getDriver()->set($shortKey, ['data' => 'expires soon'], 2); // 2 second TTL
echo " Set cache with 2 second TTL\n";
$immediate = $cache->get($shortKey);
echo " Immediate read: " . ($immediate !== null ? '? Found' : '? Not found') . "\n";
echo " Waiting 3 seconds for expiration...\n";
sleep(3);
$afterExpiration = $cache->get($shortKey);
echo " After expiration: " . ($afterExpiration === null ? '? Expired correctly' : '? Should be expired') . "\n\n";
// Final Statistics
echo "===================================\n";
echo "Final Cache Statistics\n";
echo "===================================\n";
$finalStats = $cache->getStats();
echo "Driver: " . $finalStats['driver'] . "\n";
echo "Cache Path: " . $finalStats['cache_path'] . "\n";
echo "Total Files: " . $finalStats['total_files'] . "\n";
echo "Valid Files: " . $finalStats['valid_files'] . "\n";
echo "Expired Files: " . $finalStats['expired_files'] . "\n";
echo "Total Size: " . $finalStats['total_size_human'] . "\n";
echo "Cache Hits: " . $finalStats['hits'] . "\n";
echo "Cache Misses: " . $finalStats['misses'] . "\n";
echo "Hit Ratio: " . ($finalStats['hit_ratio'] * 100) . "%\n";
echo "\n===================================\n";
echo "? All cache tests completed!\n";
echo "===================================\n";
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