Provide stub files so that we can unit test without Drupal as a depen…

…dency

composer.json

@@ -35,7 +35,10 @@
     "autoload": {
         "psr-4": {
             "DrupalRector\\": "src"
-        }
+        },
+        "classmap": [
+            "stubs"
+        ]
     },
     "autoload-dev": {
         "psr-4": {

stubs/Drupal/Tests/BrowserTestBase.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests;
+
+use PHPUnit\Framework\TestCase;
+
+if (class_exists('Drupal\Tests\BrowserTestBase')) {
+    return;
+}
+
+abstract class BrowserTestBase extends TestCase
+{
+
+}

stubs/README.md

@@ -0,0 +1,5 @@
+# Stub files
+
+PHPStan allows you to define [stub files](https://phpstan.org/user-guide/stub-files).
+
+These are used to provide information about missing classes – such as classes provided by Drupal – inside of our unit tests.

tests/src/Rector/Deprecation/UiHelperTraitDrupalPostFormRector/UiHelperTraitDrupalPostFormRectorTest.php

@@ -17,9 +17,6 @@ class UiHelperTraitDrupalPostFormRectorTest extends AbstractRectorTestCase {
      */
     public function test(SmartFileInfo $fileInfo): void
     {
-        $this->markTestIncomplete(
-            'Fails since BrowserTestBase cannot be resolved, will work when drupal/core added as a dev dependency.'
-        );
         $this->doTestFileInfo($fileInfo);
     }
 

tests/src/Rector/Deprecation/UiHelperTraitDrupalPostFormRector/config/configured_rule.php

@@ -7,4 +7,7 @@
     $services = $containerConfigurator->services();
 
     $services->set(UiHelperTraitDrupalPostFormRector::class);
+
+    $parameters = $containerConfigurator->parameters();
+    $parameters->set('drupal_rector_notices_as_comments', true);
 };

tests/src/Rector/Deprecation/UiHelperTraitDrupalPostFormRector/fixture/simple.php.inc

@@ -28,7 +28,8 @@ class BrowserTestBaseGetMock extends BrowserTestBase {
     public function simple_example() {
         $edit = [];
         $edit['action'] = 'action_goto_action';
-        $this->drupalGet('admin/config/system/actions');
+        // TODO: Drupal Rector Notice: Please delete the following comment after you've made any necessary changes.
+        // You must call `$this->drupalGet("admin/config/system/actions");" before submitForm
         $this->submitForm($edit, 'Create');
         $this->assertSession()->statusCodeEquals(200);
     }