add test case

system/Commands/Utilities/Optimize.php

@@ -17,8 +17,8 @@
 use CodeIgniter\Autoloader\FileLocatorCached;
 use CodeIgniter\CLI\BaseCommand;
 use CodeIgniter\CLI\CLI;
-use CodeIgniter\Publisher\Publisher;
 use CodeIgniter\Exceptions\RuntimeException;
+use CodeIgniter\Publisher\Publisher;
 
 /**
  * Optimize for production.

tests/system/Commands/Utilities/OptimizeTest.php

@@ -0,0 +1,88 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <[email protected]>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Commands\Utilities;
+
+use CodeIgniter\Test\CIUnitTestCase;
+use CodeIgniter\Test\StreamFilterTrait;
+use PHPUnit\Framework\Attributes\Group;
+
+/**
+ * @internal
+ */
+#[Group('Others')]
+final class OptimizeTest extends CIUnitTestCase
+{
+    use StreamFilterTrait;
+
+    protected function setUp(): void
+    {
+        $this->resetServices();
+
+        parent::setUp();
+    }
+
+    protected function getBuffer(): string
+    {
+        return $this->getStreamFilterBuffer();
+    }
+
+    public function testEnableConfigCaching(): void
+    {
+        command('optimize -c');
+
+        // Check if config caching is enabled
+        $this->assertFileContains('public bool $configCacheEnabled = true;', APPPATH . 'Config/Optimize.php');
+    }
+
+    public function testEnableLocatorCaching(): void
+    {
+        command('optimize -l');
+
+        // Check if locator caching is enabled
+        $this->assertFileContains('public bool $locatorCacheEnabled = true;', APPPATH . 'Config/Optimize.php');
+    }
+
+    public function testDisableCaching(): void
+    {
+        command('optimize -d');
+        // Check if both caches are disabled
+        $this->assertFileContains('public bool $configCacheEnabled = false;', APPPATH . 'Config/Optimize.php');
+        $this->assertFileContains('public bool $locatorCacheEnabled = false;', APPPATH . 'Config/Optimize.php');
+    }
+
+    public function testClearCache(): void
+    {
+        // Assume the function clearCache() is called within run() and we are testing its effect
+        command('optimize');
+
+        // Check if the cache file was removed
+        $this->assertFileDoesNotExist(WRITEPATH . 'cache/FactoriesCache_config');
+    }
+
+    public function testRemoveDevPackages(): void
+    {
+        // Mock passthru to simulate the removal of dev packages
+        command('optimize');
+
+        // This is more of a behavioral test to ensure the command completes successfully
+        // In a real test, you'd check the composer status or lock file
+        $this->assertTrue(true); // Placeholder assertion
+    }
+
+    protected function assertFileContains(string $needle, string $filePath): void
+    {
+        $this->assertFileExists($filePath);
+        $this->assertStringContainsString($needle, file_get_contents($filePath));
+    }
+}