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<?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/>.namespace quiz_statistics;defined('MOODLE_INTERNAL') || die();global $CFG;require_once($CFG->dirroot . '/mod/quiz/tests/quiz_question_helper_test_trait.php');use core\task\manager;use quiz_statistics\task\recalculate;use quiz_statistics\tests\statistics_helper;use quiz_statistics\tests\statistics_test_trait;/*** Unit tests for attempt_deleted observer** @package quiz_statistics* @copyright 2023 onwards Catalyst IT EU {@link https://catalyst-eu.net}* @author Mark Johnson <mark.johnson@catalyst-eu.net>* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later* @covers \quiz_statistics\hook_callbacks::quiz_attempt_submitted_or_deleted*/class quiz_attempt_deleted_test extends \advanced_testcase {use \quiz_question_helper_test_trait;use statistics_test_trait;/*** Deleting an attempt should queue the recalculation task for that quiz in 1 hour's time.** @return void*/public function test_queue_task_on_deletion(): void {[$user, $quiz] = $this->create_test_data();$this->attempt_quiz($quiz, $user);[, , $attempt] = $this->attempt_quiz($quiz, $user, 2);statistics_helper::run_pending_recalculation_tasks(true);$tasks = manager::get_adhoc_tasks(recalculate::class);$this->assertEmpty($tasks);quiz_delete_attempt($attempt->get_attemptid(), $quiz);$tasks = manager::get_adhoc_tasks(recalculate::class);$this->assertCount(1, $tasks);$task = reset($tasks);$this->assert_task_is_queued_for_quiz($task, $quiz);}/*** Deleting multiple attempts of the same quiz should only queue one instance of the task.** @return void*/public function test_queue_single_task_for_multiple_deletions(): void {[$user1, $quiz] = $this->create_test_data();$user2 = $this->getDataGenerator()->create_user();$this->attempt_quiz($quiz, $user1);[, , $attempt1] = $this->attempt_quiz($quiz, $user1, 2);$this->attempt_quiz($quiz, $user2);[, , $attempt2] = $this->attempt_quiz($quiz, $user2, 2);statistics_helper::run_pending_recalculation_tasks(true);$tasks = manager::get_adhoc_tasks(recalculate::class);$this->assertEmpty($tasks);quiz_delete_attempt($attempt1->get_attemptid(), $quiz);quiz_delete_attempt($attempt2->get_attemptid(), $quiz);$tasks = manager::get_adhoc_tasks(recalculate::class);$this->assertCount(1, $tasks);$task = reset($tasks);$this->assert_task_is_queued_for_quiz($task, $quiz);}/*** Deleting another attempt after processing the task should queue a new task.** @return void*/public function test_queue_new_task_after_processing(): void {[$user1, $quiz, $course] = $this->create_test_data();$user2 = $this->getDataGenerator()->create_user();$this->attempt_quiz($quiz, $user1);[, , $attempt1] = $this->attempt_quiz($quiz, $user1, 2);$this->attempt_quiz($quiz, $user2);[, , $attempt2] = $this->attempt_quiz($quiz, $user2, 2);statistics_helper::run_pending_recalculation_tasks(true);$tasks = manager::get_adhoc_tasks(recalculate::class);$this->assertEmpty($tasks);quiz_delete_attempt($attempt1->get_attemptid(), $quiz);$tasks = manager::get_adhoc_tasks(recalculate::class);$this->assertCount(1, $tasks);$this->expectOutputRegex("~Re-calculating statistics for quiz {$quiz->name} \({$quiz->id}\) " ."from course {$course->shortname} \({$course->id}\) with 3 attempts~");statistics_helper::run_pending_recalculation_tasks();$tasks = manager::get_adhoc_tasks(recalculate::class);$this->assertEmpty($tasks);quiz_delete_attempt($attempt2->get_attemptid(), $quiz);$tasks = manager::get_adhoc_tasks(recalculate::class);$this->assertCount(1, $tasks);$task = reset($tasks);$this->assert_task_is_queued_for_quiz($task, $quiz);}/*** Deleting attempts from different quizzes will queue a task for each.** @return void*/public function test_queue_separate_tasks_for_multiple_quizzes(): void {[$user1, $quiz1] = $this->create_test_data();[$user2, $quiz2] = $this->create_test_data();$this->attempt_quiz($quiz1, $user1);[, , $attempt1] = $this->attempt_quiz($quiz1, $user1, 2);$this->attempt_quiz($quiz2, $user2);[, , $attempt2] = $this->attempt_quiz($quiz2, $user2, 2);statistics_helper::run_pending_recalculation_tasks(true);$tasks = manager::get_adhoc_tasks(recalculate::class);$this->assertEmpty($tasks);quiz_delete_attempt($attempt1->get_attemptid(), $quiz1);quiz_delete_attempt($attempt2->get_attemptid(), $quiz2);$tasks = manager::get_adhoc_tasks(recalculate::class);$this->assertCount(2, $tasks);$task1 = array_shift($tasks);$this->assert_task_is_queued_for_quiz($task1, $quiz1);$task2 = array_shift($tasks);$this->assert_task_is_queued_for_quiz($task2, $quiz2);}}