feat: add config:check command to check Config vaules

system/Commands/Utilities/ConfigCheck.php

@@ -0,0 +1,132 @@
+<?php
+
+/**
+ * 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\CLI\BaseCommand;
+use CodeIgniter\CLI\CLI;
+use CodeIgniter\Config\BaseConfig;
+use Kint\Kint;
+
+/**
+ * Check the Config values.
+ *
+ * @see \CodeIgniter\Commands\Utilities\ConfigCheckTest
+ */
+final class ConfigCheck extends BaseCommand
+{
+    /**
+     * The group the command is lumped under
+     * when listing commands.
+     *
+     * @var string
+     */
+    protected $group = 'CodeIgniter';
+
+    /**
+     * The Command's name
+     *
+     * @var string
+     */
+    protected $name = 'config:check';
+
+    /**
+     * The Command's short description
+     *
+     * @var string
+     */
+    protected $description = 'Check your Config values.';
+
+    /**
+     * The Command's usage
+     *
+     * @var string
+     */
+    protected $usage = 'config:check <classname>';
+
+    /**
+     * The Command's arguments
+     *
+     * @var array<string, string>
+     */
+    protected $arguments = [
+        'classname' => 'The config classname to check. Short classname or FQCN.',
+    ];
+
+    /**
+     * The Command's options
+     *
+     * @var array<string, string>
+     */
+    protected $options = [];
+
+    /**
+     * {@inheritDoc}
+     */
+    public function run(array $params)
+    {
+        if (! isset($params[0])) {
+            CLI::error('You must specify a Config classname.');
+            CLI::write('  Usage: ' . $this->usage);
+            CLI::write('Example: config:check App');
+            CLI::write('         config:check \'CodeIgniter\Shield\Config\Auth\'');
+
+            return EXIT_ERROR;
+        }
+
+        /** @var class-string<BaseConfig> $class */
+        $class = $params[0];
+
+        $config = config($class);
+
+        if ($config === null) {
+            CLI::error('No such Config class: ' . $class);
+
+            return EXIT_ERROR;
+        }
+
+        if (defined('KINT_DIR') && Kint::$enabled_mode !== false) {
+            CLI::write($this->getKintD($config));
+        } else {
+            CLI::write(
+                CLI::color($this->getVarDump($config), 'cyan')
+            );
+        }
+
+        return EXIT_SUCCESS;
+    }
+
+    private function getKintD($config): string
+    {
+        ob_start();
+        d($config);
+        $output = ob_get_clean();
+
+        $output = trim($output);
+        $output = preg_replace('/\x1b\[36m.*┘\x1b\[0m/su', '', $output);
+        $output = preg_replace('/\x1b\[36m.*Called from .*\x1b\[0m/su', '', $output);
+
+        return trim($output);
+    }
+
+    private function getVarDump($config): string
+    {
+        ob_start();
+        var_dump($config);
+        $output = ob_get_clean();
+
+        return preg_replace(
+            '!.*system/Commands/Utilities/ConfigCheck.php.*\n!u',
+            '',
+            $output
+        );
+    }
+}

tests/system/Commands/Utilities/ConfigCheckTest.php

@@ -0,0 +1,119 @@
+<?php
+
+/**
+ * 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 Config\App;
+use Config\Services;
+
+/**
+ * @internal
+ *
+ * @group Others
+ */
+final class ConfigCheckTest extends CIUnitTestCase
+{
+    use StreamFilterTrait;
+
+    protected function setUp(): void
+    {
+        $this->resetServices();
+        parent::setUp();
+    }
+
+    protected function tearDown(): void
+    {
+        $this->resetServices();
+        parent::tearDown();
+    }
+
+    protected function getBuffer()
+    {
+        return $this->getStreamFilterBuffer();
+    }
+
+    public function testCommandConfigCheckNoArg(): void
+    {
+        command('config:check');
+
+        $this->assertStringContainsString(
+            'You must specify a Config classname.',
+            $this->getBuffer()
+        );
+    }
+
+    public function testCommandConfigCheckApp(): void
+    {
+        command('config:check App');
+
+        $this->assertStringContainsString(App::class, $this->getBuffer());
+        $this->assertStringContainsString("public 'baseURL", $this->getBuffer());
+    }
+
+    public function testCommandConfigCheckNonexistentClass(): void
+    {
+        command('config:check Nonexistent');
+
+        $this->assertStringContainsString(
+            'No such Config class: Nonexistent',
+            $this->getBuffer()
+        );
+    }
+
+    public function testGetVarDump()
+    {
+        $command    = new ConfigCheck(Services::logger(), Services::commands());
+        $getVarDump = $this->getPrivateMethodInvoker($command, 'getVarDump');
+
+        $output = $getVarDump(new App());
+
+        $this->assertStringContainsString(
+            'class Config\App',
+            $output
+        );
+        $this->assertStringContainsString(
+            '{
+  public string $baseURL =>
+  string(19) "http://example.com/"
+  public array $allowedHostnames =>
+  array(0) {
+  }
+  public string $indexPage =>
+  string(9) "index.php"
+  public string $uriProtocol =>
+  string(11) "REQUEST_URI"
+  public string $defaultLocale =>
+  string(2) "en"
+  public bool $negotiateLocale =>
+  bool(false)
+  public array $supportedLocales =>
+  array(1) {
+    [0] =>
+    string(2) "en"
+  }
+  public string $appTimezone =>
+  string(3) "UTC"
+  public string $charset =>
+  string(5) "UTF-8"
+  public bool $forceGlobalSecureRequests =>
+  bool(false)
+  public array $proxyIPs =>
+  array(0) {
+  }
+  public bool $CSPEnabled =>
+  bool(false)
+}',
+            $output
+        );
+    }
+}