tests: allow to mock final classes

Author: Alcides Ramos

.gitignore

@@ -1 +1,2 @@
-vendor/*
+vendor/*
+.coverage

app/Providers/Foo.php

@@ -4,13 +4,21 @@
 
 namespace App\Providers;
 
+use DateTimeImmutable;
+
 final class Foo
 {
     public static function dump(): string
     {
-        $date = date('d-M-Y H:i:s');
+        $date = (new DateTimeImmutable())->format('Y-m-d H:i:s');
+
         $line = 'Executed method [ ' . __FUNCTION__ . ' ] in [ ' . getenv('ENV') . ' ] mode' . PHP_EOL;
 
         return sprintf('[%s] %s: %s', $date, self::class, $line);
     }
+
+    public function ping(): string
+    {
+        return 'pong';
+    }
 }

composer.json

@@ -25,7 +25,7 @@
     },
     "autoload-dev": {
         "psr-4": {
-            "Tests\\Unit\\": "tests/Unit"
+            "UnitTests\\": "tests/Unit"
         }
     },
     "config": {
@@ -38,6 +38,7 @@
         }
     },
     "require-dev": {
+        "nunomaduro/mock-final-classes": "^1.2",
         "php-parallel-lint/php-console-highlighter": "^1.0",
         "php-parallel-lint/php-parallel-lint": "^1.3",
         "phpmd/phpmd": "^2.15",