--- /dev/null
+<?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/>.
+
+/**
+ * Auth oauth2 api functions tests.
+ *
+ * @package auth_oauth2
+ * @copyright 2017 Damyon Wiese
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+global $CFG;
+
+/**
+ * External auth oauth2 API tests.
+ *
+ * @package auth_oauth2
+ * @copyright 2017 Damyon Wiese
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class auth_oauth2_external_testcase extends advanced_testcase {
+
+ /**
+ * Test the cleaning of orphaned linked logins for all issuers.
+ */
+ public function test_clean_orphaned_linked_logins() {
+ $this->resetAfterTest();
+ $this->setAdminUser();
+
+ $issuer = \core\oauth2\api::create_standard_issuer('google');
+ \core\oauth2\api::create_standard_issuer('microsoft');
+
+ $user = $this->getDataGenerator()->create_user();
+ $info = [];
+ $info['username'] = 'banana';
+ $info['email'] = 'banana@example.com';
+ \auth_oauth2\api::link_login($info, $issuer, $user->id, false);
+
+ \core\oauth2\api::delete_issuer($issuer->get('id'));
+
+ $linkedlogins = \auth_oauth2\api::get_linked_logins($user->id, $issuer);
+ $this->assertCount(1, $linkedlogins);
+
+ \auth_oauth2\api::clean_orphaned_linked_logins();
+
+ $linkedlogins = \auth_oauth2\api::get_linked_logins($user->id, $issuer);
+ $this->assertCount(0, $linkedlogins);
+
+ $match = \auth_oauth2\api::match_username_to_user('banana', $issuer);
+ $this->assertFalse($match);
+ }
+
+ /**
+ * Test the cleaning of orphaned linked logins for a specific issuer.
+ */
+ public function test_clean_orphaned_linked_logins_with_issuer_id() {
+ $this->resetAfterTest();
+ $this->setAdminUser();
+
+ $issuer1 = \core\oauth2\api::create_standard_issuer('google');
+ $issuer2 = \core\oauth2\api::create_standard_issuer('microsoft');
+
+ $user1 = $this->getDataGenerator()->create_user();
+ $info = [];
+ $info['username'] = 'banana';
+ $info['email'] = 'banana@example.com';
+ \auth_oauth2\api::link_login($info, $issuer1, $user1->id, false);
+
+ $user2 = $this->getDataGenerator()->create_user();
+ $info = [];
+ $info['username'] = 'apple';
+ $info['email'] = 'apple@example.com';
+ \auth_oauth2\api::link_login($info, $issuer2, $user2->id, false);
+
+ \core\oauth2\api::delete_issuer($issuer1->get('id'));
+
+ \auth_oauth2\api::clean_orphaned_linked_logins($issuer1->get('id'));
+
+ $linkedlogins = \auth_oauth2\api::get_linked_logins($user1->id, $issuer1);
+ $this->assertCount(0, $linkedlogins);
+
+ $linkedlogins = \auth_oauth2\api::get_linked_logins($user2->id, $issuer2);
+ $this->assertCount(1, $linkedlogins);
+ }
+
+}