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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/>.
/**
* Unit tests for parts of {@link question_engine_data_mapper}.
*
* @package core_question
* @category test
* @copyright 2014 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once(__DIR__ . '/../lib.php');
require_once(__DIR__ . '/helpers.php');
/**
* Unit tests for parts of {@link question_engine_data_mapper}.
*
* Note that many of the methods used when attempting questions, like
* load_questions_usage_by_activity, insert_question_*, delete_steps are
* tested elsewhere, e.g. by {@link question_usage_autosave_test}. We do not
* re-test them here.
*
* @copyright 2014 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class question_engine_data_mapper_testcase extends qbehaviour_walkthrough_test_base {
/**
* We create two usages, each with two questions, a short-answer marked
* out of 5, and and essay marked out of 10. We just start these attempts.
*
* Then we change the max mark for the short-answer question in one of the
* usages to 20, using a qubaid_list, and verify.
*
* Then we change the max mark for the essay question in the other
* usage to 2, using a qubaid_join, and verify.
*/
public function test_set_max_mark_in_attempts() {
// Set up some things the tests will need.
$this->resetAfterTest();
$dm = new question_engine_data_mapper();
// Create the questions.
$generator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $generator->create_question_category();
$sa = $generator->create_question('shortanswer', null,
array('category' => $cat->id));
$essay = $generator->create_question('essay', null,
array('category' => $cat->id));
// Create the first usage.
$q = question_bank::load_question($sa->id);
$this->start_attempt_at_question($q, 'interactive', 5);
$q = question_bank::load_question($essay->id);
$this->start_attempt_at_question($q, 'interactive', 10);
$this->finish();
$this->save_quba();
$usage1id = $this->quba->get_id();
// Create the second usage.
$this->quba = question_engine::make_questions_usage_by_activity('unit_test',
context_system::instance());
$q = question_bank::load_question($sa->id);
$this->start_attempt_at_question($q, 'interactive', 5);
$this->process_submission(array('answer' => 'fish'));
$q = question_bank::load_question($essay->id);
$this->start_attempt_at_question($q, 'interactive', 10);
$this->finish();
$this->save_quba();
$usage2id = $this->quba->get_id();
// Test set_max_mark_in_attempts with a qubaid_list.
$usagestoupdate = new qubaid_list(array($usage1id));
$dm->set_max_mark_in_attempts($usagestoupdate, 1, 20.0);
$quba1 = question_engine::load_questions_usage_by_activity($usage1id);
$quba2 = question_engine::load_questions_usage_by_activity($usage2id);
$this->assertEquals(20, $quba1->get_question_max_mark(1));
$this->assertEquals(10, $quba1->get_question_max_mark(2));
$this->assertEquals( 5, $quba2->get_question_max_mark(1));
$this->assertEquals(10, $quba2->get_question_max_mark(2));
// Test set_max_mark_in_attempts with a qubaid_join.
$usagestoupdate = new qubaid_join('{question_usages} qu', 'qu.id',
'qu.id = :usageid', array('usageid' => $usage2id));
$dm->set_max_mark_in_attempts($usagestoupdate, 2, 2.0);
$quba1 = question_engine::load_questions_usage_by_activity($usage1id);
$quba2 = question_engine::load_questions_usage_by_activity($usage2id);
$this->assertEquals(20, $quba1->get_question_max_mark(1));
$this->assertEquals(10, $quba1->get_question_max_mark(2));
$this->assertEquals( 5, $quba2->get_question_max_mark(1));
$this->assertEquals( 2, $quba2->get_question_max_mark(2));
// Test the nothing to do case.
$usagestoupdate = new qubaid_join('{question_usages} qu', 'qu.id',
'qu.id = :usageid', array('usageid' => -1));
$dm->set_max_mark_in_attempts($usagestoupdate, 2, 2.0);
$quba1 = question_engine::load_questions_usage_by_activity($usage1id);
$quba2 = question_engine::load_questions_usage_by_activity($usage2id);
$this->assertEquals(20, $quba1->get_question_max_mark(1));
$this->assertEquals(10, $quba1->get_question_max_mark(2));
$this->assertEquals( 5, $quba2->get_question_max_mark(1));
$this->assertEquals( 2, $quba2->get_question_max_mark(2));
}
public function test_load_used_variants() {
$this->resetAfterTest();
$generator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $generator->create_question_category();
$questiondata1 = $generator->create_question('shortanswer', null, array('category' => $cat->id));
$questiondata2 = $generator->create_question('shortanswer', null, array('category' => $cat->id));
$questiondata3 = $generator->create_question('shortanswer', null, array('category' => $cat->id));
$quba = question_engine::make_questions_usage_by_activity('test', context_system::instance());
$quba->set_preferred_behaviour('deferredfeedback');
$question1 = question_bank::load_question($questiondata1->id);
$question3 = question_bank::load_question($questiondata3->id);
$quba->add_question($question1);
$quba->add_question($question1);
$quba->add_question($question3);
$quba->start_all_questions();
question_engine::save_questions_usage_by_activity($quba);
$this->assertEquals(array(
$questiondata1->id => array(1 => 2),
$questiondata2->id => array(),
$questiondata3->id => array(1 => 1),
), question_engine::load_used_variants(
array($questiondata1->id, $questiondata2->id, $questiondata3->id),
new qubaid_list(array($quba->get_id()))));
}
public function test_repeated_usage_saving_new_usage() {
global $DB;
$this->resetAfterTest();
$initialqurows = $DB->count_records('question_usages');
$initialqarows = $DB->count_records('question_attempts');
$initialqasrows = $DB->count_records('question_attempt_steps');
$generator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $generator->create_question_category();
$questiondata1 = $generator->create_question('shortanswer', null, array('category' => $cat->id));
$quba = question_engine::make_questions_usage_by_activity('test', context_system::instance());
$quba->set_preferred_behaviour('deferredfeedback');
$quba->add_question(question_bank::load_question($questiondata1->id));
$quba->start_all_questions();
question_engine::save_questions_usage_by_activity($quba);
// Check one usage, question_attempts and step added.
$firstid = $quba->get_id();
$this->assertEquals(1, $DB->count_records('question_usages') - $initialqurows);
$this->assertEquals(1, $DB->count_records('question_attempts') - $initialqarows);
$this->assertEquals(1, $DB->count_records('question_attempt_steps') - $initialqasrows);
$quba->finish_all_questions();
question_engine::save_questions_usage_by_activity($quba);
// Check usage id not changed.
$this->assertEquals($firstid, $quba->get_id());
// Check still one usage, question_attempts, but now two steps.
$this->assertEquals(1, $DB->count_records('question_usages') - $initialqurows);
$this->assertEquals(1, $DB->count_records('question_attempts') - $initialqarows);
$this->assertEquals(2, $DB->count_records('question_attempt_steps') - $initialqasrows);
}
public function test_repeated_usage_saving_existing_usage() {
global $DB;
$this->resetAfterTest();
$generator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $generator->create_question_category();
$questiondata1 = $generator->create_question('shortanswer', null, array('category' => $cat->id));
$initquba = question_engine::make_questions_usage_by_activity('test', context_system::instance());
$initquba->set_preferred_behaviour('deferredfeedback');
$slot = $initquba->add_question(question_bank::load_question($questiondata1->id));
$initquba->start_all_questions();
question_engine::save_questions_usage_by_activity($initquba);
$quba = question_engine::load_questions_usage_by_activity($initquba->get_id());
$initialqurows = $DB->count_records('question_usages');
$initialqarows = $DB->count_records('question_attempts');
$initialqasrows = $DB->count_records('question_attempt_steps');
$quba->process_all_actions(time(), $quba->prepare_simulated_post_data(
[$slot => ['answer' => 'Frog']]));
question_engine::save_questions_usage_by_activity($quba);
// Check one usage, question_attempts and step added.
$this->assertEquals(0, $DB->count_records('question_usages') - $initialqurows);
$this->assertEquals(0, $DB->count_records('question_attempts') - $initialqarows);
$this->assertEquals(1, $DB->count_records('question_attempt_steps') - $initialqasrows);
$quba->finish_all_questions();
question_engine::save_questions_usage_by_activity($quba);
// Check still one usage, question_attempts, but now two steps.
$this->assertEquals(0, $DB->count_records('question_usages') - $initialqurows);
$this->assertEquals(0, $DB->count_records('question_attempts') - $initialqarows);
$this->assertEquals(2, $DB->count_records('question_attempt_steps') - $initialqasrows);
}
/**
* Test that database operations on an empty usage work without errors.
*/
public function test_save_and_load_an_empty_usage() {
$this->resetAfterTest();
// Create a new usage.
$quba = question_engine::make_questions_usage_by_activity('test', context_system::instance());
$quba->set_preferred_behaviour('deferredfeedback');
// Save it.
question_engine::save_questions_usage_by_activity($quba);
// Reload it.
$reloadedquba = question_engine::load_questions_usage_by_activity($quba->get_id());
$this->assertCount(0, $quba->get_slots());
// Delete it.
question_engine::delete_questions_usage_by_activity($quba->get_id());
}
}