Fix autoloading issue in core moodle tests

classes/auth.php

@@ -1289,7 +1289,7 @@ public function get_ssp_version() {
         // perform the full initialization. For better performance
         // we only make sure \SimpleSAML\Configuration is accessible
         // through _autoload.php.
-        require_once(__DIR__ . '/../vendor/autoload.php');
+        require_once(__DIR__ . '/../setuplib.php');
         $config = new \SimpleSAML\Configuration([], '');
         return $config->getVersion();
     }

setuplib.php

@@ -28,6 +28,12 @@
 
 require_once(__DIR__ . '/vendor/autoload.php');
 
+if (class_exists(\Slim\Factory\Psr17\Psr17FactoryProvider::class)) {
+    \Slim\Factory\Psr17\Psr17FactoryProvider::setFactories([
+        \Slim\Factory\Psr17\GuzzlePsr17Factory::class,
+    ]);
+}
+
 global $CFG;
 require_once("{$CFG->dirroot}/auth/saml2/auth.php");
 

tests/auth_test.php

@@ -16,6 +16,10 @@
 
 namespace auth_saml2;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * Unit tests for auth class.
  *

tests/autoloader_test.php

@@ -18,7 +18,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-require_once(__DIR__ . '/../vendor/autoload.php');
+require_once(__DIR__ . '/psr17_factory_pin.php');
 
 /**
  * Test Saml2 Autoloader
@@ -29,6 +29,11 @@
  * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 final class autoloader_test extends \advanced_testcase {
+    public static function setUpBeforeClass(): void {
+        parent::setUpBeforeClass();
+        require_once(__DIR__ . '/../vendor/autoload.php');
+    }
+
     public function test_it_loads_classes(): void {
         $classes = [
             \Psr\Log\LoggerInterface::class,

tests/form_regenerate_test.php

@@ -18,6 +18,10 @@
 
 use auth_saml2\form\regenerate;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * auth_saml2 form submission unit tests
  * @package    auth_saml2

tests/generator_test.php

@@ -16,6 +16,10 @@
 
 namespace auth_saml2;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * Unit tests for test data generator.
  *

tests/group_rule_test.php

@@ -16,6 +16,10 @@
 
 namespace auth_saml2;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * Testcase class for group_rule class.
  *

tests/locallib_test.php

@@ -20,6 +20,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 require_once(__DIR__ . '/../locallib.php');
+require_once(__DIR__ . '/psr17_factory_pin.php');
 
 /**
  * Tests for SAML

tests/metadata_fetcher_test.php

@@ -16,6 +16,10 @@
 
 namespace auth_saml2;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * Testcase class for metadata_fetcher class.
  *

tests/metadata_parser_test.php

@@ -16,6 +16,10 @@
 
 namespace auth_saml2;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * Testcase class for metadata_parser class.
  *

tests/metadata_refresh_test.php

@@ -18,6 +18,10 @@
 
 use auth_saml2\task\metadata_refresh;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * Testcase class for metadata_refresh task class.
  *

tests/metadata_writer_test.php

@@ -16,6 +16,10 @@
 
 namespace auth_saml2;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * Testcase class for metadata_writer class.
  *

tests/psr17_factory_pin.php

@@ -0,0 +1,34 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Pin Slim PSR-17 factory discovery to Guzzle for tests.
+ *
+ * SimpleSAML 2.4 bundles Nyholm/psr7; once loaded, Slim's PSR-17 discovery
+ * picks it over Guzzle and breaks core router tests in the same process.
+ *
+ * @package    auth_saml2
+ * @copyright  2026 Catalyst IT Australia {@link http://www.catalyst-au.net}
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+if (class_exists(\Slim\Factory\Psr17\Psr17FactoryProvider::class)) {
+    \Slim\Factory\Psr17\Psr17FactoryProvider::setFactories([
+        \Slim\Factory\Psr17\GuzzlePsr17Factory::class,
+    ]);
+}

tests/redis_store_test.php

@@ -16,6 +16,10 @@
 
 namespace auth_saml2;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * Testcase class for auth/saml2 Redis store.
  *

tests/saml2_sitedata_test.php

@@ -18,7 +18,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-require_once(__DIR__ . '/../vendor/autoload.php');
+require_once(__DIR__ . '/psr17_factory_pin.php');
 
 /**
  * Saml2 site data test.
@@ -29,6 +29,11 @@
  * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 final class saml2_sitedata_test extends \advanced_testcase {
+    public static function setUpBeforeClass(): void {
+        parent::setUpBeforeClass();
+        require_once(__DIR__ . '/../vendor/autoload.php');
+    }
+
     public function test_it_creates_the_directory_if_it_does_not_exist(): void {
         global $CFG;
 

tests/setting_idpmetadata_test.php

@@ -20,7 +20,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-require_once(__DIR__ . '/../vendor/autoload.php');
+require_once(__DIR__ . '/psr17_factory_pin.php');
 
 /**
  * Test setting idp Metadata.
@@ -34,6 +34,11 @@ final class setting_idpmetadata_test extends \advanced_testcase {
     /** @var setting_idpmetadata */
     private static $config;
 
+    public static function setUpBeforeClass(): void {
+        parent::setUpBeforeClass();
+        require_once(__DIR__ . '/../vendor/autoload.php');
+    }
+
     protected function setUp(): void {
         parent::setUp();
         self::$config = new setting_idpmetadata();

tests/ssl_algorithm_test.php

@@ -16,6 +16,10 @@
 
 namespace auth_saml2;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * Test Saml2 SSL Algorithms.
  *

tests/user_extractor_test.php

@@ -16,6 +16,10 @@
 
 namespace auth_saml2;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * Test for user extractor class.
  *

tests/user_fields_test.php

@@ -16,6 +16,10 @@
 
 namespace auth_saml2;
 
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/psr17_factory_pin.php');
+
 /**
  * Test for user fields class.
  *