|
| 1 | +<?php |
| 2 | + |
| 3 | +declare(strict_types=1); |
| 4 | + |
| 5 | +namespace PivotPHP\Core\Tests\Json\Pool; |
| 6 | + |
| 7 | +use PHPUnit\Framework\TestCase; |
| 8 | +use PivotPHP\Core\Json\Pool\JsonBufferPool; |
| 9 | + |
| 10 | +/** |
| 11 | + * Test JsonBufferPool encodeWithPool method uses optimal capacity |
| 12 | + */ |
| 13 | +class JsonBufferPoolEncodeTest extends TestCase |
| 14 | +{ |
| 15 | + protected function setUp(): void |
| 16 | + { |
| 17 | + // Clear pools and reset configuration before each test |
| 18 | + JsonBufferPool::clearPools(); |
| 19 | + JsonBufferPool::resetConfiguration(); |
| 20 | + } |
| 21 | + |
| 22 | + protected function tearDown(): void |
| 23 | + { |
| 24 | + // Clear pools and reset configuration after each test |
| 25 | + JsonBufferPool::clearPools(); |
| 26 | + JsonBufferPool::resetConfiguration(); |
| 27 | + } |
| 28 | + |
| 29 | + /** |
| 30 | + * Test that encodeWithPool uses standard size categories |
| 31 | + */ |
| 32 | + public function testEncodeWithPoolUsesStandardCapacities(): void |
| 33 | + { |
| 34 | + // Test small data that should use 1KB buffer |
| 35 | + $smallData = ['id' => 1, 'name' => 'test']; |
| 36 | + $json1 = JsonBufferPool::encodeWithPool($smallData); |
| 37 | + |
| 38 | + // Test medium data that should use 4KB buffer |
| 39 | + $mediumData = array_fill(0, 50, ['field' => 'value', 'num' => 123]); |
| 40 | + $json2 = JsonBufferPool::encodeWithPool($mediumData); |
| 41 | + |
| 42 | + // Test large data that should use 16KB buffer |
| 43 | + $largeData = array_fill(0, 500, ['item' => 'data', 'id' => rand(1, 1000)]); |
| 44 | + $json3 = JsonBufferPool::encodeWithPool($largeData); |
| 45 | + |
| 46 | + $stats = JsonBufferPool::getStatistics(); |
| 47 | + $poolSizes = $stats['pool_sizes']; |
| 48 | + |
| 49 | + // Should have created standard sized pools, not arbitrary ones |
| 50 | + $this->assertArrayHasKey('1.0KB (1024 bytes)', $poolSizes); |
| 51 | + $this->assertArrayHasKey('4.0KB (4096 bytes)', $poolSizes); |
| 52 | + $this->assertArrayHasKey('16.0KB (16384 bytes)', $poolSizes); |
| 53 | + |
| 54 | + // Each pool should have exactly 1 buffer returned to it |
| 55 | + $this->assertEquals(1, $poolSizes['1.0KB (1024 bytes)']); |
| 56 | + $this->assertEquals(1, $poolSizes['4.0KB (4096 bytes)']); |
| 57 | + $this->assertEquals(1, $poolSizes['16.0KB (16384 bytes)']); |
| 58 | + |
| 59 | + // Verify JSON output is correct |
| 60 | + $this->assertIsString($json1); |
| 61 | + $this->assertIsString($json2); |
| 62 | + $this->assertIsString($json3); |
| 63 | + |
| 64 | + $this->assertStringContainsString('test', $json1); |
| 65 | + $this->assertStringContainsString('value', $json2); |
| 66 | + $this->assertStringContainsString('data', $json3); |
| 67 | + } |
| 68 | + |
| 69 | + /** |
| 70 | + * Test that multiple calls with similar data reuse same pool |
| 71 | + */ |
| 72 | + public function testEncodeWithPoolReusesBuffers(): void |
| 73 | + { |
| 74 | + // Encode similar sized data multiple times |
| 75 | + for ($i = 0; $i < 5; $i++) { |
| 76 | + $data = ['iteration' => $i, 'test' => 'data']; |
| 77 | + $json = JsonBufferPool::encodeWithPool($data); |
| 78 | + $this->assertStringContainsString((string)$i, $json); |
| 79 | + } |
| 80 | + |
| 81 | + $stats = JsonBufferPool::getStatistics(); |
| 82 | + |
| 83 | + // Should have high reuse rate since all data uses same buffer size |
| 84 | + $this->assertEquals(5, $stats['total_operations']); |
| 85 | + $this->assertEquals(4, $stats['detailed_stats']['reuses']); // 4 reuses (first is allocation) |
| 86 | + $this->assertEquals(80.0, $stats['reuse_rate']); // 4/5 * 100 = 80% |
| 87 | + |
| 88 | + // Should only have one pool type |
| 89 | + $this->assertEquals(1, $stats['active_pool_count']); |
| 90 | + $this->assertArrayHasKey('1.0KB (1024 bytes)', $stats['pool_sizes']); |
| 91 | + } |
| 92 | + |
| 93 | + /** |
| 94 | + * Test edge case with very large data |
| 95 | + */ |
| 96 | + public function testEncodeWithPoolLargeData(): void |
| 97 | + { |
| 98 | + // Create data that exceeds standard categories |
| 99 | + $veryLargeData = array_fill(0, 2000, ['id' => rand(1, 10000), 'data' => str_repeat('x', 50)]); |
| 100 | + $json = JsonBufferPool::encodeWithPool($veryLargeData); |
| 101 | + |
| 102 | + $this->assertIsString($json); |
| 103 | + $this->assertGreaterThan(100000, strlen($json)); // Should be large JSON |
| 104 | + |
| 105 | + $stats = JsonBufferPool::getStatistics(); |
| 106 | + $poolsByCapacity = $stats['pools_by_capacity']; |
| 107 | + |
| 108 | + // Should have created a large custom capacity pool |
| 109 | + $this->assertNotEmpty($poolsByCapacity); |
| 110 | + $largestPool = end($poolsByCapacity); |
| 111 | + $this->assertGreaterThanOrEqual(65536, $largestPool['capacity_bytes']); // At least 64KB |
| 112 | + } |
| 113 | + |
| 114 | + /** |
| 115 | + * Test that different data types get appropriate buffer sizes |
| 116 | + */ |
| 117 | + public function testEncodeWithPoolDataTypeOptimization(): void |
| 118 | + { |
| 119 | + // String data - should use small buffer |
| 120 | + $stringData = 'This is a simple string'; |
| 121 | + JsonBufferPool::encodeWithPool($stringData); |
| 122 | + |
| 123 | + // Array data - should use appropriately sized buffer |
| 124 | + $arrayData = range(1, 100); |
| 125 | + JsonBufferPool::encodeWithPool($arrayData); |
| 126 | + |
| 127 | + // Object data - should use appropriately sized buffer |
| 128 | + $objectData = (object)array_fill_keys(range('a', 'z'), 'value'); |
| 129 | + JsonBufferPool::encodeWithPool($objectData); |
| 130 | + |
| 131 | + $stats = JsonBufferPool::getStatistics(); |
| 132 | + |
| 133 | + // Should have multiple pool sizes for different data types |
| 134 | + $this->assertGreaterThanOrEqual(2, $stats['active_pool_count']); |
| 135 | + $this->assertGreaterThanOrEqual(2, count($stats['pool_sizes'])); |
| 136 | + } |
| 137 | + |
| 138 | + /** |
| 139 | + * Test consistency between encodeWithPool and manual buffer usage |
| 140 | + */ |
| 141 | + public function testEncodeWithPoolConsistency(): void |
| 142 | + { |
| 143 | + $testData = ['message' => 'Hello World', 'count' => 42, 'active' => true]; |
| 144 | + |
| 145 | + // Encode using pool |
| 146 | + $pooledResult = JsonBufferPool::encodeWithPool($testData); |
| 147 | + |
| 148 | + // Encode manually with same flags |
| 149 | + $manualResult = json_encode($testData, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); |
| 150 | + |
| 151 | + // Results should be identical |
| 152 | + $this->assertEquals($manualResult, $pooledResult); |
| 153 | + $this->assertStringContainsString('Hello World', $pooledResult); |
| 154 | + $this->assertStringContainsString('42', $pooledResult); |
| 155 | + $this->assertStringContainsString('true', $pooledResult); |
| 156 | + } |
| 157 | + |
| 158 | + /** |
| 159 | + * Test that encodeWithPool handles encoding failures gracefully |
| 160 | + */ |
| 161 | + public function testEncodeWithPoolErrorHandling(): void |
| 162 | + { |
| 163 | + // Create data that should encode fine |
| 164 | + $validData = ['test' => 'data']; |
| 165 | + $result = JsonBufferPool::encodeWithPool($validData); |
| 166 | + |
| 167 | + $this->assertIsString($result); |
| 168 | + $this->assertEquals('{"test":"data"}', $result); |
| 169 | + |
| 170 | + // Verify buffer was returned to pool even after successful encoding |
| 171 | + $stats = JsonBufferPool::getStatistics(); |
| 172 | + $this->assertEquals(1, $stats['total_buffers_pooled']); |
| 173 | + } |
| 174 | + |
| 175 | + /** |
| 176 | + * Test memory efficiency with optimal capacity selection |
| 177 | + */ |
| 178 | + public function testEncodeWithPoolMemoryEfficiency(): void |
| 179 | + { |
| 180 | + $memBefore = memory_get_usage(); |
| 181 | + |
| 182 | + // Encode various sized data multiple times |
| 183 | + for ($i = 0; $i < 10; $i++) { |
| 184 | + // Small data |
| 185 | + JsonBufferPool::encodeWithPool(['small' => $i]); |
| 186 | + |
| 187 | + // Medium data |
| 188 | + JsonBufferPool::encodeWithPool(array_fill(0, 20, ['med' => $i])); |
| 189 | + |
| 190 | + // Large data |
| 191 | + JsonBufferPool::encodeWithPool(array_fill(0, 100, ['large' => $i])); |
| 192 | + } |
| 193 | + |
| 194 | + $memAfter = memory_get_usage(); |
| 195 | + $stats = JsonBufferPool::getStatistics(); |
| 196 | + |
| 197 | + // Memory growth should be reasonable due to buffer reuse |
| 198 | + $memoryGrowth = $memAfter - $memBefore; |
| 199 | + $this->assertLessThan(1024 * 1024, $memoryGrowth); // Less than 1MB growth |
| 200 | + |
| 201 | + // Should have high reuse rate |
| 202 | + $this->assertGreaterThan(70, $stats['reuse_rate']); // At least 70% reuse |
| 203 | + |
| 204 | + // Should have created standard pool sizes |
| 205 | + $this->assertEquals(3, $stats['active_pool_count']); // 3 different sizes |
| 206 | + } |
| 207 | +} |
0 commit comments