major update

tests/Architecture/ProjectFileAssertionSupport.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace MintyPHP\Tests\Architecture;
+
+trait ProjectFileAssertionSupport
+{
+    private function projectRootPath(): string
+    {
+        $root = realpath(__DIR__ . '/../..');
+        $this->assertNotFalse($root, 'Project root not found.');
+
+        return $root;
+    }
+
+    private function readProjectFile(string $path): string
+    {
+        $root = $this->projectRootPath();
+        $fullPath = $root . '/' . $path;
+        $this->assertFileExists($fullPath, 'File not found: ' . $path);
+
+        $content = file_get_contents($fullPath);
+        $this->assertNotFalse($content, 'Could not read file: ' . $path);
+
+        return $content;
+    }
+}