Test extra extension catalog against local sources

extra/twig-extra-bundle/Tests/ExtensionsTest.php

@@ -55,6 +55,24 @@ class ExtensionsTest extends TestCase
         $this->assertCatalogCovers($entry['tags'], array_map(static fn ($parser) => $parser->getTag(), $extension->getTokenParsers()), 'tag', $entry['package']);
     }
 
+    public function testCatalogUsesExtensionsFromCurrentCheckout(): void
+    {
+        $extraDir = \dirname(__DIR__, 2);
+
+        if (!is_dir($extraDir.'/html-extra')) {
+            $this->markTestSkipped('The extra packages are not checked out locally.');
+        }
+
+        foreach (self::provideCatalog() as [$entry]) {
+            $extension = $this->loadExtension($entry);
+
+            $this->assertSame(
+                realpath($extraDir.'/'.$entry['name'].'-extra'),
+                realpath(\dirname((string) (new \ReflectionObject($extension))->getFileName())),
+            );
+        }
+    }
+
     public static function provideCatalog(): iterable
     {
         // The catalog duplicates names owned by seven separate packages, so read it back from the constant.

extra/twig-extra-bundle/composer.json

@@ -6,6 +6,24 @@
     "homepage": "https://twig.symfony.com",
     "license": "MIT",
     "minimum-stability": "dev",
+    "repositories": [
+        {
+            "type": "path",
+            "url": "../*-extra",
+            "options": {
+                "symlink": true,
+                "versions": {
+                    "twig/cache-extra": "3.x-dev",
+                    "twig/cssinliner-extra": "3.x-dev",
+                    "twig/html-extra": "3.x-dev",
+                    "twig/inky-extra": "3.x-dev",
+                    "twig/intl-extra": "3.x-dev",
+                    "twig/markdown-extra": "3.x-dev",
+                    "twig/string-extra": "3.x-dev"
+                }
+            }
+        }
+    ],
     "authors": [
         {
             "name": "Fabien Potencier",