MDL-67673 phpunit: Fix the return type of template methods

All the setup/teardown/pre/post/conditions template methods
now are required to return void. This was warned with phpunit 7
and now is enforced.

At the same time, fix a few wrong function names,
provider data and param types, return statements...

admin/tool/behat/tests/manager_util_test.php

@@ -87,7 +87,7 @@ class tool_behat_manager_util_testcase extends advanced_testcase {
     /**
      * Setup test.
      */
-    public function setup() {
+    public function setUp(): void {
         global $CFG;
 
         $this->resetAfterTest();

admin/tool/capability/tests/events_test.php

@@ -36,7 +36,7 @@ class tool_capability_events_testcase extends advanced_testcase {
     /**
      * Setup testcase.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->setAdminUser();
         $this->resetAfterTest();
     }

admin/tool/cohortroles/tests/api_test.php

@@ -49,7 +49,7 @@ class tool_cohortroles_api_testcase extends advanced_testcase {
     /**
      * Setup function- we will create a course and add an assign instance to it.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         $this->resetAfterTest(true);
 
         // Create some users.

admin/tool/cohortroles/tests/privacy_test.php

@@ -43,7 +43,7 @@ class tool_cohortroles_privacy_testcase extends \core_privacy\tests\provider_tes
     /**
      * Overriding setUp() function to always reset after tests.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest(true);
     }
 

admin/tool/dataprivacy/tests/expired_data_requests_test.php

@@ -44,7 +44,7 @@ class tool_dataprivacy_expired_data_requests_testcase extends data_privacy_testc
     /**
      * Test tearDown.
      */
-    public function tearDown() {
+    public function tearDown(): void {
         \core_privacy\local\request\writer::reset();
     }
 

admin/tool/dataprivacy/tests/task_test.php

@@ -39,7 +39,7 @@ class tool_dataprivacy_task_testcase extends data_privacy_testcase {
     /**
      * Test tearDown.
      */
-    public function tearDown() {
+    public function tearDown(): void {
         \core_privacy\local\request\writer::reset();
     }
 

admin/tool/langimport/tests/events_test.php

@@ -36,7 +36,7 @@ class tool_langimport_events_testcase extends advanced_testcase {
     /**
      * Setup testcase.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->setAdminUser();
         $this->resetAfterTest();
     }

admin/tool/log/store/database/tests/privacy_test.php

@@ -50,7 +50,7 @@ require_once(__DIR__ . '/fixtures/event.php');
  */
 class logstore_database_privacy_testcase extends provider_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         global $CFG;
         $this->resetAfterTest();
         $this->preventResetByRollback(); // Logging waits till the transaction gets committed.

admin/tool/log/store/legacy/tests/privacy_test.php

@@ -48,7 +48,7 @@ require_once(__DIR__ . '/fixtures/event.php');
  */
 class logstore_legacy_privacy_testcase extends provider_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
     }
 

admin/tool/log/store/standard/tests/privacy_test.php

@@ -47,7 +47,7 @@ require_once(__DIR__ . '/fixtures/event.php');
  */
 class logstore_standard_privacy_testcase extends provider_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
         $this->preventResetByRollback(); // Logging waits till the transaction gets committed.
     }

admin/tool/log/store/standard/tests/store_test.php

@@ -540,7 +540,7 @@ class logstore_standard_store_testcase extends advanced_testcase {
     /**
      * Reset any garbage collector changes to the previous state at the end of the test.
      */
-    public function tearDown() {
+    public function tearDown(): void {
         if ($this->wedisabledgc) {
             gc_enable();
         }

admin/tool/log/tests/privacy_test.php

@@ -51,7 +51,7 @@ require_once($CFG->dirroot . '/admin/tool/log/store/standard/tests/fixtures/even
  */
 class tool_log_privacy_testcase extends provider_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
         $this->preventResetByRollback(); // Logging waits till the transaction gets committed.
     }

admin/tool/lp/tests/externallib_test.php

@@ -75,7 +75,7 @@ class tool_lp_external_testcase extends externallib_advanced_testcase {
     /**
      * Setup function- we will create a course and add an assign instance to it.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB, $CFG;
 
         $this->resetAfterTest(true);

admin/tool/lpmigrate/tests/processor_test.php

@@ -46,7 +46,7 @@ class tool_lpmigrate_framework_processor_testcase extends advanced_testcase {
      * Then we create 2 courses, and in each 1 CM.
      * Then we attach some competencies from the first framework to courses and CM.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest(true);
         $dg = $this->getDataGenerator();
         $lpg = $dg->get_plugin_generator('core_competency');

admin/tool/messageinbound/tests/manager_test.php

@@ -44,7 +44,7 @@ use tool_messageinbound\privacy\provider;
  */
 class tool_messageinbound_manager_testcase extends provider_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         global $CFG;
         $this->resetAfterTest();
 

admin/tool/messageinbound/tests/privacy_test.php

@@ -46,7 +46,7 @@ use tool_messageinbound\privacy\provider;
  */
 class tool_messageinbound_privacy_testcase extends provider_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         global $CFG;
         $this->resetAfterTest();
 

admin/tool/mobile/tests/privacy_provider_test.php

@@ -40,7 +40,7 @@ class tool_mobile_privacy_testcase extends \core_privacy\tests\provider_testcase
     /**
      * Basic setup for these tests.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest(true);
     }
 

admin/tool/monitor/tests/eventobservers_test.php

@@ -38,7 +38,7 @@ class tool_monitor_eventobservers_testcase extends advanced_testcase {
     /**
      * Set up method.
      */
-    public function setUp() {
+    public function setUp(): void {
         // Enable monitor.
         set_config('enablemonitor', 1, 'tool_monitor');
     }

admin/tool/monitor/tests/events_test.php

@@ -33,7 +33,7 @@ class tool_monitor_events_testcase extends advanced_testcase {
     /**
      * Tests set up.
      */
-    public function setUp() {
+    public function setUp(): void {
         set_config('enablemonitor', 1, 'tool_monitor');
         $this->resetAfterTest();
     }

admin/tool/monitor/tests/generator_test.php

@@ -39,7 +39,7 @@ class tool_monitor_generator_testcase extends advanced_testcase {
     /**
      * Set up method.
      */
-    public function setUp() {
+    public function setUp(): void {
         // Enable monitor.
         set_config('enablemonitor', 1, 'tool_monitor');
     }

admin/tool/monitor/tests/privacy_test.php

@@ -43,7 +43,7 @@ class tool_monitor_privacy_testcase extends provider_testcase {
     /**
      * Set up method.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
         // Enable monitor.
         set_config('enablemonitor', 1, 'tool_monitor');

admin/tool/monitor/tests/rule_manager_test.php

@@ -37,7 +37,7 @@ class tool_monitor_rule_manager_testcase extends advanced_testcase {
     /**
      * Set up method.
      */
-    public function setUp() {
+    public function setUp(): void {
         // Enable monitor.
         set_config('enablemonitor', 1, 'tool_monitor');
     }

admin/tool/monitor/tests/subscription_test.php

@@ -34,7 +34,7 @@ class tool_monitor_subscription_testcase extends advanced_testcase {
     /**
      * Test set up.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest(true);
 
         // Create the mock subscription.

admin/tool/monitor/tests/task_check_subscriptions_test.php

@@ -36,7 +36,7 @@ class tool_monitor_task_check_subscriptions_testcase extends advanced_testcase {
     /**
      * Test set up.
      */
-    public function setUp() {
+    public function setUp(): void {
         global $DB;
         set_config('enablemonitor', 1, 'tool_monitor');
         $this->resetAfterTest(true);

admin/tool/monitor/tests/task_clean_events_test.php

@@ -35,7 +35,7 @@ class tool_monitor_task_clean_events_testcase extends advanced_testcase {
     /**
      * Test set up.
      */
-    public function setUp() {
+    public function setUp(): void {
         set_config('enablemonitor', 1, 'tool_monitor');
         $this->resetAfterTest(true);
     }

admin/tool/policy/tests/externallib_test.php

@@ -46,7 +46,7 @@ class tool_policy_external_testcase extends externallib_advanced_testcase {
     /**
      * Setup function- we will create some policy docs.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest(true);
         $this->setAdminUser();
 

admin/tool/policy/tests/privacy_provider_test.php

@@ -51,7 +51,7 @@ class tool_policy_privacy_provider_testcase extends \core_privacy\tests\provider
     /**
      * Setup function. Will create a user.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         $this->resetAfterTest();
 
         $generator = $this->getDataGenerator();

admin/tool/recyclebin/tests/category_bin_test.php

@@ -46,7 +46,7 @@ class tool_recyclebin_category_bin_tests extends advanced_testcase {
     /**
      * Setup for each test.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         $this->resetAfterTest();
         $this->setAdminUser();
 

admin/tool/recyclebin/tests/course_bin_test.php

@@ -46,7 +46,7 @@ class tool_recyclebin_course_bin_tests extends advanced_testcase {
     /**
      * Setup for each test.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         $this->resetAfterTest(true);
         $this->setAdminUser();
 

admin/tool/recyclebin/tests/events_test.php

@@ -40,7 +40,7 @@ class tool_recyclebin_events_testcase extends advanced_testcase {
      *
      * This is executed before running any test in this file.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
 
         // We want the category and course bin to be enabled.

admin/tool/usertours/tests/accessdate_filter_test.php

@@ -36,7 +36,7 @@ use tool_usertours\local\filter\accessdate;
  */
 class tool_usertours_accessdate_filter_test extends advanced_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest(true);
     }
 

admin/tool/usertours/tests/manager_test.php

@@ -47,7 +47,7 @@ class tool_usertours_manager_testcase extends advanced_testcase {
     /**
      * Setup to store the DB reference.
      */
-    public function setUp() {
+    public function setUp(): void {
         global $DB;
 
         $this->db = $DB;
@@ -56,7 +56,7 @@ class tool_usertours_manager_testcase extends advanced_testcase {
     /**
      * Tear down to restore the original DB reference.
      */
-    public function tearDown() {
+    public function tearDown(): void {
         global $DB;
 
         $DB = $this->db;

admin/tool/usertours/tests/role_filter_test.php

@@ -58,7 +58,7 @@ class tool_usertours_role_filter_testcase extends advanced_testcase {
      */
     protected $roles;
 
-    public function setUp() {
+    public function setUp(): void {
         global $DB;
 
         $this->resetAfterTest(true);

admin/tool/usertours/tests/step_test.php

@@ -44,7 +44,7 @@ class step_testcase extends advanced_testcase {
     /**
      * Setup to store the DB reference.
      */
-    public function setUp() {
+    public function setUp(): void {
         global $DB;
 
         $this->db = $DB;
@@ -53,7 +53,7 @@ class step_testcase extends advanced_testcase {
     /**
      * Tear down to restore the original DB reference.
      */
-    public function tearDown() {
+    public function tearDown(): void {
         global $DB;
 
         $DB = $this->db;

admin/tool/usertours/tests/tour_test.php

@@ -46,7 +46,7 @@ class tour_testcase extends advanced_testcase {
     /**
      * Setup to store the DB reference.
      */
-    public function setUp() {
+    public function setUp(): void {
         global $DB;
 
         $this->db = $DB;
@@ -55,7 +55,7 @@ class tour_testcase extends advanced_testcase {
     /**
      * Tear down to restore the original DB reference.
      */
-    public function tearDown() {
+    public function tearDown(): void {
         global $DB;
 
         $DB = $this->db;

analytics/tests/course_test.php

@@ -33,7 +33,7 @@ defined('MOODLE_INTERNAL') || die();
  */
 class core_analytics_course_testcase extends advanced_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         global $DB;
 
         $this->course = $this->getDataGenerator()->create_course(['startdate' => 0]);

analytics/tests/dataset_manager_test.php

@@ -38,7 +38,7 @@ class dataset_manager_testcase extends advanced_testcase {
      *
      * @return null
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest(true);
 
         $this->sharedtoprows = array(

analytics/tests/model_test.php

@@ -41,7 +41,7 @@ require_once(__DIR__ . '/fixtures/test_analysis.php');
  */
 class analytics_model_testcase extends advanced_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
 
         $this->setAdminUser();
 

analytics/tests/prediction_actions_test.php

@@ -39,7 +39,7 @@ class analytics_prediction_actions_testcase extends advanced_testcase {
     /**
      * Common startup tasks
      */
-    public function setUp() {
+    public function setUp(): void {
         global $DB;
 
         $this->setAdminUser();

analytics/tests/prediction_test.php

@@ -62,7 +62,7 @@ class core_analytics_prediction_testcase extends advanced_testcase {
      *
      * @return null
      */
-    public function tearDown() {
+    public function tearDown(): void {
         $this->setAdminUser();
 
         $models = \core_analytics\manager::get_all_models();

analytics/tests/privacy_test.php

@@ -44,7 +44,7 @@ require_once(__DIR__ . '/fixtures/test_target_course_users.php');
  */
 class core_analytics_privacy_model_testcase extends \core_privacy\tests\provider_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
 
         $this->resetAfterTest(true);
         $this->setAdminUser();

analytics/tests/stats_test.php

@@ -39,7 +39,7 @@ class analytics_stats_testcase extends advanced_testcase {
     /**
      * Set up the test environment.
      */
-    public function setUp() {
+    public function setUp(): void {
 
         $this->setAdminUser();
     }

auth/email/tests/external_test.php

@@ -43,7 +43,7 @@ class auth_email_external_testcase extends externallib_advanced_testcase {
     /**
      * Set up for every test
      */
-    public function setUp() {
+    public function setUp(): void {
         global $CFG, $DB;
 
         $this->resetAfterTest(true);

auth/manual/tests/manual_test.php

@@ -44,7 +44,7 @@ class auth_manual_testcase extends advanced_testcase {
     /**
      * Setup test data.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         $this->resetAfterTest(true);
         $this->authplugin = new auth_plugin_manual();
         set_config('expiration', '1', 'auth_manual');

auth/manual/tests/privacy_provider_test.php

@@ -45,7 +45,7 @@ class auth_manual_privacy_testcase extends \core_privacy\tests\provider_testcase
     /**
      * Basic setup for these tests.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest(true);
         $this->authplugin = new auth_plugin_manual();
     }

auth/mnet/tests/privacy_provider_test.php

@@ -43,7 +43,7 @@ class auth_mnet_privacy_testcase extends provider_testcase {
     /**
      * Set up method.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
         $this->setAdminUser();
     }

auth/oauth2/tests/privacy_provider_test.php

@@ -42,7 +42,7 @@ class auth_oauth2_privacy_testcase extends provider_testcase {
     /**
      * Set up method.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
         $this->setAdminUser();
     }

auth/tests/external_test.php

@@ -46,7 +46,7 @@ class core_auth_external_testcase extends externallib_advanced_testcase {
     /**
      * Set up for every test
      */
-    public function setUp() {
+    public function setUp(): void {
         global $CFG;
 
         $this->resetAfterTest(true);
@@ -60,7 +60,7 @@ class core_auth_external_testcase extends externallib_advanced_testcase {
     /**
      * Tear down to restore old logging..
      */
-    protected function tearDown() {
+    protected function tearDown(): void {
         ini_set('error_log', $this->oldlog);
         parent::tearDown();
     }

auth/tests/privacy_test.php

@@ -43,7 +43,7 @@ use core_auth\privacy\provider;
  */
 class core_auth_privacy_testcase extends provider_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
     }
 

availability/condition/completion/tests/condition_test.php

@@ -52,7 +52,7 @@ class availability_completion_condition_testcase extends advanced_testcase {
     /**
      * Load required classes.
      */
-    public function setUp() {
+    public function setUp(): void {
         availability_completion\condition::wipe_static_cache();
     }
 

availability/condition/date/tests/condition_test.php

@@ -38,7 +38,7 @@ class availability_date_condition_testcase extends advanced_testcase {
     /**
      * Load required classes.
      */
-    public function setUp() {
+    public function setUp(): void {
         // Load the mock info class so that it can be used.
         global $CFG;
         require_once($CFG->dirroot . '/availability/tests/fixtures/mock_info.php');

availability/condition/group/tests/condition_test.php

@@ -37,7 +37,7 @@ class availability_group_condition_testcase extends advanced_testcase {
     /**
      * Load required classes.
      */
-    public function setUp() {
+    public function setUp(): void {
         // Load the mock info class so that it can be used.
         global $CFG;
         require_once($CFG->dirroot . '/availability/tests/fixtures/mock_info.php');

availability/condition/grouping/tests/condition_test.php

@@ -37,7 +37,7 @@ class availability_grouping_condition_testcase extends advanced_testcase {
     /**
      * Load required classes.
      */
-    public function setUp() {
+    public function setUp(): void {
         // Load the mock info class so that it can be used.
         global $CFG;
         require_once($CFG->dirroot . '/availability/tests/fixtures/mock_info.php');

availability/condition/profile/tests/condition_test.php

@@ -45,7 +45,7 @@ class availability_profile_condition_testcase extends advanced_testcase {
     /** @var \core_availability\info Current info */
     private $info;
 
-    public function setUp() {
+    public function setUp(): void {
         global $DB, $CFG;
 
         $this->resetAfterTest();

availability/tests/info_test.php

@@ -36,7 +36,7 @@ use core_availability\info_section;
  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class info_testcase extends advanced_testcase {
-    public function setUp() {
+    public function setUp(): void {
         // Load the mock condition so that it can be used.
         require_once(__DIR__ . '/fixtures/mock_condition.php');
     }

availability/tests/tree_test.php

@@ -35,7 +35,7 @@ defined('MOODLE_INTERNAL') || die();
  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class tree_testcase extends \advanced_testcase {
-    public function setUp() {
+    public function setUp(): void {
         // Load the mock classes so they can be used.
         require_once(__DIR__ . '/fixtures/mock_condition.php');
         require_once(__DIR__ . '/fixtures/mock_info.php');

backup/controller/tests/controller_test.php

@@ -38,7 +38,7 @@ class core_backup_controller_testcase extends advanced_testcase {
     protected $courseid;  // course id used for testing
     protected $userid;    // user used if for testing
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB, $CFG;
 
         $this->resetAfterTest(true);

backup/converter/moodle1/tests/moodle1_converter_test.php

@@ -41,7 +41,7 @@ class core_backup_moodle1_converter_testcase extends advanced_testcase {
     /** @var string saved hash of an icon file used during testing */
     protected $iconhash;
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $CFG;
 
         $this->tempdir = convert_helper::generate_id('unittest');
@@ -75,7 +75,7 @@ class core_backup_moodle1_converter_testcase extends advanced_testcase {
         );
     }
 
-    protected function tearDown() {
+    protected function tearDown(): void {
         global $CFG;
         if (empty($CFG->keeptempdirectoriesonbackup)) {
             fulldelete($this->tempdirpath);

backup/moodle2/tests/backup_encrypted_content_test.php

@@ -31,7 +31,7 @@ require_once($CFG->dirroot . '/backup/moodle2/backup_custom_fields.php');
 
 class core_backup_encrypted_content_testscase extends advanced_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         if (!function_exists('openssl_encrypt')) {
             $this->markTestSkipped('OpenSSL extension is not loaded.');
 

backup/moodle2/tests/backup_xml_transformer_test.php

@@ -42,7 +42,7 @@ class backup_xml_transformer_testcase extends advanced_testcase {
     /**
      * Initial set up.
      */
-    public function setUp() {
+    public function setUp(): void {
         parent::setUp();
 
         $this->resetAfterTest(true);

backup/tests/automated_backup_test.php

@@ -46,7 +46,7 @@ class core_backup_automated_backup_testcase extends advanced_testcase {
      */
     protected $course;
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB, $CFG;
 
         $this->resetAfterTest(true);

backup/tests/course_copy_test.php

@@ -66,7 +66,7 @@ class core_backup_course_copy_testcase extends advanced_testcase {
     /**
      * Set up tasks for all tests.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB, $CFG, $USER;
 
         $this->resetAfterTest(true);

backup/tests/externallib_test.php

@@ -44,7 +44,7 @@ class backup_external_testcase extends externallib_advanced_testcase {
     /**
      * Set up tasks for all tests.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         global $CFG;
 
         $this->resetAfterTest(true);

backup/util/checks/tests/checks_test.php

@@ -39,7 +39,7 @@ class backup_check_testcase extends advanced_testcase {
     protected $courseid;  // course id used for testing
     protected $userid;    // user record id
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB, $CFG;
         parent::setUp();
 

backup/util/dbops/tests/backup_dbops_test.php

@@ -37,7 +37,7 @@ class backup_dbops_testcase extends advanced_testcase {
     protected $courseid;  // course id used for testing
     protected $userid;      // user record used for testing
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB, $CFG;
         parent::setUp();
 

backup/util/factories/tests/factories_test.php

@@ -40,7 +40,7 @@ require_once($CFG->dirroot . '/backup/util/factories/backup_factory.class.php');
  */
 class backup_factories_testcase extends advanced_testcase {
 
-    function setUp() {
+    public function setUp(): void {
         global $CFG;
         parent::setUp();
 
@@ -57,7 +57,7 @@ class backup_factories_testcase extends advanced_testcase {
     /**
      * test get_logger_chain() method
      */
-    function test_backup_factory() {
+    public function test_backup_factory() {
         global $CFG;
 
         // Default instantiate, all levels = backup::LOG_NONE

backup/util/helper/tests/restore_structure_parser_processor_test.php

@@ -42,7 +42,7 @@ class restore_structure_parser_processor_test extends advanced_testcase {
     /**
      * Initial set up.
      */
-    public function setUp() {
+    public function setUp(): void {
         parent::setUp();
 
         $this->resetAfterTest(true);

backup/util/plan/tests/plan_test.php

@@ -36,7 +36,7 @@ class backup_plan_testcase extends advanced_testcase {
     protected $courseid;  // course id used for testing
     protected $userid;      // user record used for testing
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB, $CFG;
         parent::setUp();
 

backup/util/plan/tests/step_test.php

@@ -36,7 +36,7 @@ class backup_step_testcase extends advanced_testcase {
     protected $courseid;  // course id used for testing
     protected $userid;      // user record used for testing
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB, $CFG;
         parent::setUp();
 

backup/util/plan/tests/task_test.php

@@ -36,7 +36,7 @@ class backup_task_testcase extends advanced_testcase {
     protected $courseid;  // course id used for testing
     protected $userid;      // user record used for testing
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB, $CFG;
         parent::setUp();
 

backup/util/structure/tests/structure_test.php

@@ -53,7 +53,7 @@ class backup_structure_testcase extends advanced_testcase {
     protected $contextid;
 
 
-    protected function setUp() {
+    protected function setUp(): void {
         parent::setUp();
 
         $this->resetAfterTest(true);

badges/tests/badgeslib_test.php

@@ -43,7 +43,7 @@ class core_badges_badgeslib_testcase extends advanced_testcase {
     /** @var $assertion2 to define json format for Open badge version 2 */
     protected $assertion2;
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB, $CFG;
         $this->resetAfterTest(true);
         $CFG->enablecompletion = true;

badges/tests/external_test.php

@@ -45,7 +45,7 @@ class core_badges_external_testcase extends externallib_advanced_testcase {
     /**
      * Set up for every test
      */
-    public function setUp() {
+    public function setUp(): void {
         global $DB;
         $this->resetAfterTest();
         $this->setAdminUser();

badges/tests/privacy_test.php

@@ -48,7 +48,7 @@ require_once($CFG->libdir . '/badgeslib.php');
  */
 class core_badges_privacy_testcase extends provider_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
     }
 

blocks/comments/tests/events_test.php

@@ -43,7 +43,7 @@ class block_comments_events_testcase extends advanced_testcase {
     /**
      * Setup test data.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
         $this->setAdminUser();
 

blocks/comments/tests/privacy_provider_test.php

@@ -51,7 +51,7 @@ class block_comments_privacy_provider_testcase extends \core_privacy\tests\provi
     /** @var stdClass A test course. */
     protected $course2;
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB;
 
         $this->resetAfterTest();

blocks/online_users/tests/online_users_test.php

@@ -47,7 +47,7 @@ class block_online_users_testcase extends advanced_testcase {
      * Prepare the site with some courses, groups, users and
      * simulate various recent accesses.
      */
-    protected function setUp() {
+    protected function setUp(): void {
 
         // Generate (simulated) recently logged-in users.
         $generator = $this->getDataGenerator()->get_plugin_generator('block_online_users');

blocks/recentlyaccesseditems/tests/observer_test.php

@@ -42,7 +42,7 @@ class block_recentlyaccesseditems_observer_testcase extends advanced_testcase {
     /**
      * Set up for every test
      */
-    public function setUp() {
+    public function setUp(): void {
         global $DB;
 
         $this->resetAfterTest();

blocks/rss_client/tests/privacy_test.php

@@ -38,7 +38,7 @@ class block_rss_client_testcase extends provider_testcase {
     /**
      * Basic setup for these tests.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest(true);
     }
 

blocks/tests/privacy_test.php

@@ -44,7 +44,7 @@ use core_block\privacy\provider;
  */
 class core_block_privacy_testcase extends provider_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
     }
 

blog/tests/events_test.php

@@ -58,7 +58,7 @@ class core_blog_events_testcase extends advanced_testcase {
     /**
      * Setup the tests.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB;
         parent::setUp();
 

blog/tests/external_test.php

@@ -44,7 +44,7 @@ class core_blog_external_testcase extends advanced_testcase {
     private $tagid;
     private $postid;
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB, $CFG;
         parent::setUp();
 

blog/tests/lib_test.php

@@ -41,7 +41,7 @@ class core_blog_lib_testcase extends advanced_testcase {
     private $tagid;
     private $postid;
 
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB;
         parent::setUp();
 

blog/tests/privacy_test.php

@@ -47,7 +47,7 @@ require_once($CFG->dirroot . '/comment/lib.php');
  */
 class core_blog_privacy_testcase extends provider_testcase {
 
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
     }
 

cache/stores/apcu/tests/apcu_test.php

@@ -45,11 +45,11 @@ class cachestore_apcu_test extends cachestore_tests {
         return 'cachestore_apcu';
     }
 
-    public function setUp() {
+    public function setUp(): void {
         if (!cachestore_apcu::are_requirements_met()) {
             $this->markTestSkipped('Could not test cachestore_apcu. Requirements are not met.');
         }
-        return parent::setUp();
+        parent::setUp();
     }
 
     /**

cache/stores/redis/tests/compressor_test.php

@@ -45,7 +45,7 @@ class cachestore_redis_compressor_test extends advanced_testcase {
     /**
      * Test set up
      */
-    public function setUp() {
+    public function setUp(): void {
         if (!cachestore_redis::are_requirements_met() || !defined('TEST_CACHESTORE_REDIS_TESTSERVERS')) {
             $this->markTestSkipped('Could not test cachestore_redis. Requirements are not met.');
         }

cache/stores/redis/tests/redis_test.php

@@ -54,13 +54,13 @@ class cachestore_redis_test extends cachestore_tests {
         return 'cachestore_redis';
     }
 
-    public function setUp() {
+    public function setUp(): void {
         if (!cachestore_redis::are_requirements_met() || !defined('TEST_CACHESTORE_REDIS_TESTSERVERS')) {
             $this->markTestSkipped('Could not test cachestore_redis. Requirements are not met.');
         }
         parent::setUp();
     }
-    protected function tearDown() {
+    protected function tearDown(): void {
         parent::tearDown();
 
         if ($this->store instanceof cachestore_redis) {

cache/tests/administration_helper_test.php

@@ -45,7 +45,7 @@ class core_cache_administration_helper_testcase extends advanced_testcase {
     /**
      * Set things back to the default before each test.
      */
-    public function setUp() {
+    public function setUp(): void {
         parent::setUp();
         cache_factory::reset();
         cache_config_testing::create_default_configuration();
@@ -54,7 +54,7 @@ class core_cache_administration_helper_testcase extends advanced_testcase {
     /**
      * Final task is to reset the cache system
      */
-    public static function tearDownAfterClass() {
+    public static function tearDownAfterClass(): void {
         parent::tearDownAfterClass();
         cache_factory::reset();
     }

cache/tests/cache_test.php

@@ -44,7 +44,7 @@ class core_cache_testcase extends advanced_testcase {
     /**
      * Set things back to the default before each test.
      */
-    public function setUp() {
+    public function setUp(): void {
         parent::setUp();
         cache_factory::reset();
         cache_config_testing::create_default_configuration();
@@ -53,7 +53,7 @@ class core_cache_testcase extends advanced_testcase {
     /**
      * Final task is to reset the cache system
      */
-    public static function tearDownAfterClass() {
+    public static function tearDownAfterClass(): void {
         parent::tearDownAfterClass();
         cache_factory::reset();
     }

cache/tests/config_writer_test.php

@@ -44,7 +44,7 @@ class core_cache_config_writer_testcase extends advanced_testcase {
     /**
      * Set things back to the default before each test.
      */
-    public function setUp() {
+    public function setUp(): void {
         parent::setUp();
         cache_factory::reset();
         cache_config_testing::create_default_configuration();
@@ -53,7 +53,7 @@ class core_cache_config_writer_testcase extends advanced_testcase {
     /**
      * Final task is to reset the cache system
      */
-    public static function tearDownAfterClass() {
+    public static function tearDownAfterClass(): void {
         parent::tearDownAfterClass();
         cache_factory::reset();
     }

cache/tests/fixtures/stores.php

@@ -46,7 +46,7 @@ abstract class cachestore_tests extends advanced_testcase {
      * Sets up the fixture, for example, open a network connection.
      * This method is called before a test is executed.
      */
-    public function setUp() {
+    public function setUp(): void {
         $class = $this->get_class_name();
         if (!class_exists($class) || !$class::are_requirements_met()) {
             $this->markTestSkipped('Could not test '.$class.'. Requirements are not met.');

calendar/tests/calendartype_test.php

@@ -58,7 +58,7 @@ class core_calendar_type_testcase extends advanced_testcase {
     /**
      * Test set up.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         // The user we are going to test this on.
         $this->user = self::getDataGenerator()->create_user();
         self::setUser($this->user);

calendar/tests/container_test.php

@@ -47,7 +47,7 @@ class core_calendar_container_testcase extends advanced_testcase {
     /**
      * Test setup.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest();
         $this->setAdminUser();
     }

calendar/tests/events_related_objects_cache_test.php

@@ -41,7 +41,7 @@ class core_calendar_events_related_objects_cache_testcase extends advanced_testc
     /**
      * Tests set up
      */
-    protected function setUp() {
+    protected function setUp(): void {
         $this->resetAfterTest();
     }
 

calendar/tests/events_test.php

@@ -48,7 +48,7 @@ class core_calendar_events_testcase extends advanced_testcase {
     /**
      * Test set up.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         global $USER;
         // The user we are going to test this on.
         $this->setAdminUser();

calendar/tests/externallib_test.php

@@ -43,7 +43,7 @@ class core_calendar_externallib_testcase extends externallib_advanced_testcase {
     /**
      * Tests set up
      */
-    protected function setUp() {
+    protected function setUp(): void {
         global $CFG;
         require_once($CFG->dirroot . '/calendar/externallib.php');
     }

calendar/tests/lib_test.php

@@ -38,7 +38,7 @@ class core_calendar_lib_testcase extends advanced_testcase {
     /**
      * Tests set up
      */
-    protected function setUp() {
+    protected function setUp(): void {
         $this->resetAfterTest();
     }
 

calendar/tests/local_api_test.php

@@ -40,7 +40,7 @@ class core_calendar_local_api_testcase extends advanced_testcase {
     /**
      * Tests set up
      */
-    protected function setUp() {
+    protected function setUp(): void {
         $this->resetAfterTest();
     }
 

calendar/tests/privacy_test.php

@@ -47,7 +47,7 @@ class core_calendar_privacy_testcase extends provider_testcase {
     /**
      * Overriding setUp() function to always reset after tests.
      */
-    public function setUp() {
+    public function setUp(): void {
         $this->resetAfterTest(true);
     }
 

calendar/tests/rrule_manager_test.php

@@ -46,7 +46,7 @@ class core_calendar_rrule_manager_testcase extends advanced_testcase {
     /**
      * Set up method.
      */
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB;
         $this->resetAfterTest();