Add tests

Author: MGatner

src/Config/Layouts.php

@@ -11,7 +11,7 @@ class Layouts extends BaseConfig
 	 *
 	 * @var string
 	 */
-	public $default = '';
+	public $default = 'Tatter\Layouts\Views\Layouts\Default';
 
     /**
      * Provides a fallback to the default layout

src/Layouts/Default.php renamed to src/Views/Layouts/Default.php

@@ -0,0 +1,23 @@
+<?php
+
+use Tests\Support\TestCase;
+
+/**
+ * @internal
+ */
+final class ConfigTest extends TestCase
+{
+    public function testUsesDefaultAsFallback()
+    {
+    	$result = config('Layouts')->banana;
+
+    	$this->assertSame('Tatter\Layouts\Views\Layouts\Default', $result);
+    }
+
+    public function testSupportsRegistrars()
+    {
+    	$result = config('Layouts')->foo;
+
+    	$this->assertSame('bar', $result);
+    }
+}

tests/ConfigTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Tests\Support\Config;
+
+class Registrar
+{
+    /**
+     * Adds a layout to the config to verify it
+     * supports using Registrars.
+     *
+     * @return array<string,string>
+     */
+    public static function Layouts(): array
+    {
+        return [
+            'foo' => 'bar',
+        ];
+    }
+}

tests/_support/Config/Registrar.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace Tests\Support;
+
+use CodeIgniter\Test\CIUnitTestCase;
+
+abstract class TestCase extends CIUnitTestCase
+{
+}