feat: add some performance tests

composer.json

@@ -20,7 +20,8 @@
     },
     "autoload-dev": {
         "psr-4": {
-            "Charon\\Tests\\Unit\\": "tests/unit/"
+            "Charon\\Tests\\Unit\\": "tests/unit/",
+            "Charon\\Tests\\Performance\\": "tests/performance/"
         }
     },
     "config": {

tests/performance/ContainerPerformanceTest.php

@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of the charonlab/charon-container.
+ *
+ * Copyright (C) 2023-2024 Charon Lab Development Team
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE.md file for details.
+ */
+
+namespace Charon\Tests\Performance;
+
+use Charon\Container\Container;
+use Charon\Container\ContainerInterface;
+use Charon\Tests\Performance\Fixture\Service;
+use PHPUnit\Framework\Attributes\CoversNothing;
+use PHPUnit\Framework\Attributes\DoesNotPerformAssertions;
+use PHPUnit\Framework\Attributes\Group;
+use PHPUnit\Framework\TestCase;
+
+#[Group('performance')]
+#[CoversNothing]
+class ContainerPerformanceTest extends TestCase
+{
+    private ?ContainerInterface $container = null;
+
+    public function setUp(): void {
+        $this->container = new Container();
+        $this->container->set(\stdClass::class, new \stdClass());
+        $this->container->factory('factory', fn (ContainerInterface $container) => $container);
+        $this->container->factory('fixture', function (ContainerInterface $container): Service {
+            return new Service(
+                $container->get(\stdClass::class)
+            );
+        });
+    }
+
+    #[DoesNotPerformAssertions]
+    public function testContainerGetPerformance(): void {
+        $start = \microtime(true);
+
+        for ($i = 1; $i <= 20000; $i++) {
+            $this->container?->get('fixture');
+        }
+
+        echo 'Get 20000 objects in ' . (\microtime(true) - $start) . ' seconds' . PHP_EOL;
+    }
+
+    public function tearDown(): void {
+        $this->container = null;
+    }
+}

tests/performance/Fixture/Service.php

@@ -0,0 +1,22 @@
+<?php
+
+/*
+ * This file is part of the charonlab/charon-container.
+ *
+ * Copyright (C) 2023-2024 Charon Lab Development Team
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE.md file for details.
+ */
+
+namespace Charon\Tests\Performance\Fixture;
+
+class Service
+{
+    public function __construct(private readonly \stdClass $stdClass) {
+    }
+
+    public function value(): \stdClass {
+        return $this->stdClass;
+    }
+}

tests/performance/MemoryUsageTest.php

@@ -0,0 +1,48 @@
+<?php
+
+/*
+ * This file is part of the charonlab/charon-container.
+ *
+ * Copyright (C) 2023-2024 Charon Lab Development Team
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE.md file for details.
+ */
+
+namespace Charon\Tests\Performance;
+
+use Charon\Container\Container;
+use Charon\Container\ContainerInterface;
+use Charon\Tests\Performance\Fixture\Service;
+use PHPUnit\Framework\Attributes\CoversNothing;
+use PHPUnit\Framework\Attributes\DoesNotPerformAssertions;
+use PHPUnit\Framework\Attributes\Group;
+use PHPUnit\Framework\TestCase;
+
+#[Group('performance')]
+#[CoversNothing]
+class MemoryUsageTest extends TestCase
+{
+    #[DoesNotPerformAssertions]
+    public function testMemoryUsage(): void {
+        $container = new Container();
+        $container->set(\stdClass::class, new \stdClass());
+        $container->factory('factory', function (ContainerInterface $container) {
+            return new Service(
+                $container->get(\stdClass::class)
+            );
+        });
+        $memoryUsage = [];
+        for ($i = 0; $i < 200; $i++) {
+            $container->get('factory');
+
+            \gc_collect_cycles();
+            $memoryUsage[] = \memory_get_usage();
+        }
+
+        $start = \current($memoryUsage);
+        $end   = \end($memoryUsage);
+
+        echo \sprintf('Memory increased by %s', ($end - $start) / 1024 . ' KB') . PHP_EOL;
+    }
+}