DX: Validate paths in RectorConfig->paths() (#5065)

* Validate paths in RectorConfig->paths()

* added e2e test

* Update e2e.yaml

* Update expected-output.diff

* Update expected-output.diff

* Update expected-output.diff

.github/workflows/e2e.yaml

@@ -32,6 +32,7 @@ jobs:
                     - 'e2e/applied-rule-removed-node'
                     - 'e2e/parallel with space'
                     - 'e2e/different-path-over-skip-config'
+                    - 'e2e/invalid-paths'
 
         name: End to end test - ${{ matrix.directory }}
 

e2e/invalid-paths/.gitignore

@@ -0,0 +1 @@
+/vendor

e2e/invalid-paths/composer.json

@@ -0,0 +1,5 @@
+{
+    "require": {
+        "php": "^8.1"
+    }
+}

e2e/invalid-paths/expected-output.diff

@@ -0,0 +1,3 @@
+[ERROR] The file
+         "./invalid-paths/does-not-exi
+         st/" does not exist.

e2e/invalid-paths/rector.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\DeadCode\Rector\Property\RemoveUnusedPrivatePropertyRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->disableParallel();
+
+    $rectorConfig->paths([
+        __DIR__ . '/src/', // correct path
+        __DIR__ . '/does-not-exist/'
+    ]);
+};

e2e/invalid-paths/src/NamespacedSomeClassFound.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace E2e\Parallel\Reflection\Resolver;
+
+final class NamespacedSomeClassFound
+{
+    private $foo;
+}

packages/Config/RectorConfig.php

@@ -36,6 +36,15 @@ final class RectorConfig extends Container
     public function paths(array $paths): void
     {
         Assert::allString($paths);
+
+        foreach($paths as $path) {
+            if (str_contains($path, '*')) {
+                continue;
+            }
+
+            Assert::fileExists($path);
+        }
+
         SimpleParameterProvider::setParameter(Option::PATHS, $paths);
     }