Remove closure and make config file cacheable

Author: marickvantuil

config/laravel-database-emails.php

@@ -42,11 +42,7 @@
 
         'email' => '[email protected]',
 
-        'enabled' => function () {
-            return false;
-        // ...or...
-            // return app()->environment('local', 'staging');
-        },
+        'enabled' => env('LARAVEL_DATABASE_EMAILS_TESTING_ENABLED', true),
 
     ],
 

tests/ConfigCacheTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Tests;
+
+use Throwable;
+
+class ConfigCacheTest extends TestCase
+{
+    /** @test */
+    function the_configuration_file_can_be_cached()
+    {
+        $failed = false;
+
+        try {
+            serialize(require __DIR__ . '/../config/laravel-database-emails.php');
+        } catch (Throwable $e) {
+            $failed = true;
+        }
+
+        if ($failed) {
+            $this->fail('Configuration file cannot be serialized');
+        } else {
+            $this->assertTrue(true);
+        }
+    }
+}