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511 lines
26 KiB
511 lines
26 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* This file contains tests for the question_engine_unit_of_work class.
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*
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* @package moodlecore
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* @subpackage questionengine
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* @copyright 2012 The Open University
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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global $CFG;
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require_once(__DIR__ . '/../lib.php');
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require_once(__DIR__ . '/helpers.php');
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/**
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* Unit tests for the {@link question_engine_unit_of_work} class.
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*
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* @copyright 2012 The Open University
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class question_engine_unit_of_work_test extends data_loading_method_test_base {
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/** @var question_usage_by_activity the test question usage. */
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protected $quba;
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/** @var int the slot number of the one qa in the test usage.*/
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protected $slot;
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/** @var testable_question_engine_unit_of_work the unit of work we are testing. */
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protected $observer;
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protected function setUp() {
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// Create a usage in an initial state, with one shortanswer question added,
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// and attempted in interactive mode submitted responses 'toad' then 'frog'.
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// Then set it to use a new unit of work for any subsequent changes.
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// Create a short answer question.
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$question = test_question_maker::make_question('shortanswer');
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$question->hints = array(
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new question_hint(0, 'This is the first hint.', FORMAT_HTML),
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new question_hint(0, 'This is the second hint.', FORMAT_HTML),
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);
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$question->id = -1;
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question_bank::start_unit_test();
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question_bank::load_test_question_data($question);
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$this->setup_initial_test_state($this->get_test_data());
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}
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public function tearDown() {
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question_bank::end_unit_test();
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}
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protected function setup_initial_test_state($testdata) {
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$records = new question_test_recordset($testdata);
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$this->quba = question_usage_by_activity::load_from_records($records, 1);
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$this->slot = 1;
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$this->observer = new testable_question_engine_unit_of_work($this->quba);
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$this->quba->set_observer($this->observer);
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}
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protected function get_test_data() {
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return array(
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array('qubaid', 'contextid', 'component', 'preferredbehaviour',
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'questionattemptid', 'contextid', 'questionusageid', 'slot',
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'behaviour', 'questionid', 'variant', 'maxmark', 'minfraction', 'maxfraction', 'flagged',
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'questionsummary', 'rightanswer', 'responsesummary', 'timemodified',
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'attemptstepid', 'sequencenumber', 'state', 'fraction',
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'timecreated', 'userid', 'name', 'value'),
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array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 1, 0, 'todo', null, 1256233700, 1, '-_triesleft', 3),
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array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 2, 1, 'todo', null, 1256233720, 1, 'answer', 'toad'),
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array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 2, 1, 'todo', null, 1256233720, 1, '-submit', 1),
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array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 2, 1, 'todo', null, 1256233720, 1, '-_triesleft', 1),
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array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 3, 2, 'todo', null, 1256233740, 1, '-tryagain', 1),
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array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 5, 3, 'gradedright', 0.6666667, 1256233790, 1, 'answer', 'frog'),
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array(1, 1, 'unit_test', 'interactive', 1, 123, 1, 1, 'interactive', -1, 1, 1.0000000, 0.0000000, 1.0000000, 0, '', '', '', 1256233790, 5, 3, 'gradedright', 0.6666667, 1256233790, 1, '-submit', 1),
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);
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}
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public function test_initial_state() {
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$this->assertFalse($this->observer->get_modified());
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$this->assertEquals(0, count($this->observer->get_attempts_added()));
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$this->assertEquals(0, count($this->observer->get_attempts_modified()));
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$this->assertEquals(0, count($this->observer->get_steps_added()));
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$this->assertEquals(0, count($this->observer->get_steps_modified()));
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$this->assertEquals(0, count($this->observer->get_steps_deleted()));
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$this->assertEquals(0, count($this->observer->get_metadata_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_update_usage() {
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$this->quba->set_preferred_behaviour('deferredfeedback');
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$this->assertTrue($this->observer->get_modified());
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}
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public function test_add_question() {
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$slot = $this->quba->add_question(test_question_maker::make_question('truefalse'));
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$newattempts = $this->observer->get_attempts_added();
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$this->assertEquals(1, count($newattempts));
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$this->assertTrue($this->quba->get_question_attempt($slot) === reset($newattempts));
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$this->assertSame($slot, key($newattempts));
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$this->assertEquals(0, count($this->observer->get_metadata_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_add_and_start_question() {
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$slot = $this->quba->add_question(test_question_maker::make_question('truefalse'));
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$this->quba->start_question($slot);
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// The point here is that, although we have added a step, it is not listed
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// separately becuase it is part of a newly added attempt, and all steps
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// for a newly added attempt are automatically added to the DB, so it does
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// not need to be tracked separately.
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$newattempts = $this->observer->get_attempts_added();
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$this->assertEquals(1, count($newattempts));
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$this->assertTrue($this->quba->get_question_attempt($slot) === reset($newattempts));
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$this->assertSame($slot, key($newattempts));
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$this->assertEquals(0, count($this->observer->get_steps_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_process_action() {
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$this->quba->manual_grade($this->slot, 'Actually, that is not quite right', 0.5, FORMAT_HTML);
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// Here, however, were we are adding a step to an existing qa, we do need to track that.
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$this->assertEquals(0, count($this->observer->get_attempts_added()));
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$updatedattempts = $this->observer->get_attempts_modified();
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$this->assertEquals(1, count($updatedattempts));
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$updatedattempt = reset($updatedattempts);
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$this->assertTrue($this->quba->get_question_attempt($this->slot) === $updatedattempt);
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$this->assertSame($this->slot, key($updatedattempts));
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$newsteps = $this->observer->get_steps_added();
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$this->assertEquals(1, count($newsteps));
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list($newstep, $qaid, $seq) = reset($newsteps);
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$this->assertSame($this->quba->get_question_attempt($this->slot)->get_last_step(), $newstep);
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$this->assertEquals(0, count($this->observer->get_metadata_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_regrade_same_steps() {
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// Change the question in a minor way and regrade.
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$this->quba->get_question($this->slot)->answers[14]->fraction = 0.5;
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$this->quba->regrade_all_questions();
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// Here, the qa, and all the steps, should be marked as updated.
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// Here, however, were we are adding a step to an existing qa, we do need to track that.
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$this->assertEquals(0, count($this->observer->get_attempts_added()));
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$this->assertEquals(0, count($this->observer->get_steps_added()));
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$this->assertEquals(0, count($this->observer->get_steps_deleted()));
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$updatedattempts = $this->observer->get_attempts_modified();
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$this->assertEquals(1, count($updatedattempts));
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$updatedattempt = reset($updatedattempts);
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$this->assertTrue($this->quba->get_question_attempt($this->slot) === $updatedattempt);
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$updatedsteps = $this->observer->get_steps_modified();
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$this->assertEquals($updatedattempt->get_num_steps(), count($updatedsteps));
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foreach ($updatedattempt->get_step_iterator() as $seq => $step) {
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$this->assertSame(array($step, $updatedattempt->get_database_id(), $seq),
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$updatedsteps[$seq]);
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}
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$this->assertEquals(0, count($this->observer->get_metadata_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_regrade_losing_steps() {
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// Change the question so that 'toad' is also right, and regrade. This
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// will mean that the try again, and second try states are no longer
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// needed, so they should be dropped.
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$this->quba->get_question($this->slot)->answers[14]->fraction = 1;
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$this->quba->regrade_all_questions();
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$this->assertEquals(0, count($this->observer->get_attempts_added()));
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$this->assertEquals(0, count($this->observer->get_steps_added()));
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$updatedattempts = $this->observer->get_attempts_modified();
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$this->assertEquals(1, count($updatedattempts));
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$updatedattempt = reset($updatedattempts);
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$this->assertTrue($this->quba->get_question_attempt($this->slot) === $updatedattempt);
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$updatedsteps = $this->observer->get_steps_modified();
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$this->assertEquals($updatedattempt->get_num_steps(), count($updatedsteps));
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foreach ($updatedattempt->get_step_iterator() as $seq => $step) {
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$this->assertSame(array($step, $updatedattempt->get_database_id(), $seq),
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$updatedsteps[$seq]);
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}
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$deletedsteps = $this->observer->get_steps_deleted();
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$this->assertEquals(2, count($deletedsteps));
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$firstdeletedstep = reset($deletedsteps);
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$this->assertEquals(array('-tryagain' => 1), $firstdeletedstep->get_all_data());
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$seconddeletedstep = end($deletedsteps);
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$this->assertEquals(array('answer' => 'frog', '-submit' => 1),
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$seconddeletedstep->get_all_data());
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$this->assertEquals(0, count($this->observer->get_metadata_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_tricky_regrade() {
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// The tricky thing here is that we take a half-complete question-attempt,
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// and then as one transaction, we submit some more responses, and then
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// change the question attempt as in test_regrade_losing_steps, and regrade
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// before the steps are even written to the database the first time.
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$somedata = $this->get_test_data();
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$somedata = array_slice($somedata, 0, 5);
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$this->setup_initial_test_state($somedata);
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$this->quba->process_action($this->slot, array('-tryagain' => 1));
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$this->quba->process_action($this->slot, array('answer' => 'frog', '-submit' => 1));
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$this->quba->finish_all_questions();
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$this->quba->get_question($this->slot)->answers[14]->fraction = 1;
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$this->quba->regrade_all_questions();
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$this->assertEquals(0, count($this->observer->get_attempts_added()));
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$updatedattempts = $this->observer->get_attempts_modified();
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$this->assertEquals(1, count($updatedattempts));
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$updatedattempt = reset($updatedattempts);
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$this->assertTrue($this->quba->get_question_attempt($this->slot) === $updatedattempt);
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$this->assertEquals(0, count($this->observer->get_steps_added()));
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$updatedsteps = $this->observer->get_steps_modified();
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$this->assertEquals($updatedattempt->get_num_steps(), count($updatedsteps));
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foreach ($updatedattempt->get_step_iterator() as $seq => $step) {
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$this->assertSame(array($step, $updatedattempt->get_database_id(), $seq),
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$updatedsteps[$seq]);
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}
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$this->assertEquals(0, count($this->observer->get_steps_deleted()));
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$this->assertEquals(0, count($this->observer->get_metadata_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_move_question() {
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$q = test_question_maker::make_question('truefalse');
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$newslot = $this->quba->add_question_in_place_of_other($this->slot, $q);
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$this->quba->start_question($this->slot);
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$addedattempts = $this->observer->get_attempts_added();
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$this->assertEquals(1, count($addedattempts));
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$addedattempt = reset($addedattempts);
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$this->assertSame($this->quba->get_question_attempt($this->slot), $addedattempt);
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$updatedattempts = $this->observer->get_attempts_modified();
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$this->assertEquals(1, count($updatedattempts));
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$updatedattempt = reset($updatedattempts);
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$this->assertSame($this->quba->get_question_attempt($newslot), $updatedattempt);
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$this->assertEquals(0, count($this->observer->get_steps_added()));
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$this->assertEquals(0, count($this->observer->get_steps_modified()));
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$this->assertEquals(0, count($this->observer->get_steps_deleted()));
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$this->assertEquals(0, count($this->observer->get_metadata_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_move_question_then_modify() {
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$q = test_question_maker::make_question('truefalse');
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$newslot = $this->quba->add_question_in_place_of_other($this->slot, $q);
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$this->quba->start_question($this->slot);
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$this->quba->process_action($this->slot, array('answer' => 'frog', '-submit' => 1));
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$this->quba->manual_grade($newslot, 'Test', 0.5, FORMAT_HTML);
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$addedattempts = $this->observer->get_attempts_added();
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$this->assertEquals(1, count($addedattempts));
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$addedattempt = reset($addedattempts);
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$this->assertSame($this->quba->get_question_attempt($this->slot), $addedattempt);
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$updatedattempts = $this->observer->get_attempts_modified();
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$this->assertEquals(1, count($updatedattempts));
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$updatedattempt = reset($updatedattempts);
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$this->assertSame($this->quba->get_question_attempt($newslot), $updatedattempt);
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$newsteps = $this->observer->get_steps_added();
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$this->assertEquals(1, count($newsteps));
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list($newstep, $qaid, $seq) = reset($newsteps);
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$this->assertSame($this->quba->get_question_attempt($newslot)->get_last_step(), $newstep);
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$this->assertEquals(0, count($this->observer->get_steps_modified()));
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$this->assertEquals(0, count($this->observer->get_steps_deleted()));
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$this->assertEquals(0, count($this->observer->get_metadata_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_move_question_then_move_again() {
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$originalqa = $this->quba->get_question_attempt($this->slot);
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$q1 = test_question_maker::make_question('truefalse');
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$newslot = $this->quba->add_question_in_place_of_other($this->slot, $q1);
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$this->quba->start_question($this->slot);
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$q2 = test_question_maker::make_question('truefalse');
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$newslot2 = $this->quba->add_question_in_place_of_other($newslot, $q2);
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$this->quba->start_question($newslot);
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$addedattempts = $this->observer->get_attempts_added();
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$this->assertEquals(2, count($addedattempts));
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$updatedattempts = $this->observer->get_attempts_modified();
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$this->assertEquals(1, count($updatedattempts));
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$updatedattempt = reset($updatedattempts);
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$this->assertSame($originalqa, $updatedattempt);
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$this->assertEquals(0, count($this->observer->get_steps_added()));
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$this->assertEquals(0, count($this->observer->get_steps_modified()));
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$this->assertEquals(0, count($this->observer->get_steps_deleted()));
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$this->assertEquals(0, count($this->observer->get_metadata_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_set_max_mark() {
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$this->quba->set_max_mark($this->slot, 6.0);
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$this->assertEquals(4.0, $this->quba->get_total_mark(), '', 0.0000005);
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$this->assertEquals(0, count($this->observer->get_attempts_added()));
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$updatedattempts = $this->observer->get_attempts_modified();
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$this->assertEquals(1, count($updatedattempts));
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$updatedattempt = reset($updatedattempts);
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$this->assertSame($this->quba->get_question_attempt($this->slot), $updatedattempt);
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$this->assertEquals(0, count($this->observer->get_steps_added()));
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$this->assertEquals(0, count($this->observer->get_steps_modified()));
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$this->assertEquals(0, count($this->observer->get_steps_deleted()));
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$this->assertEquals(0, count($this->observer->get_metadata_added()));
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_set_question_attempt_metadata() {
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$this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
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$this->assertEquals('a value', $this->quba->get_question_attempt_metadata($this->slot, 'metathingy'));
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$this->assertEquals(0, count($this->observer->get_attempts_added()));
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$this->assertEquals(0, count($this->observer->get_attempts_modified()));
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$this->assertEquals(0, count($this->observer->get_steps_added()));
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$this->assertEquals(0, count($this->observer->get_steps_modified()));
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$this->assertEquals(0, count($this->observer->get_steps_deleted()));
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$this->assertEquals(array($this->slot => array('metathingy' => $this->quba->get_question_attempt($this->slot))),
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$this->observer->get_metadata_added());
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
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}
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public function test_set_question_attempt_metadata_then_change() {
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$this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
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$this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'different value');
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$this->assertEquals('different value', $this->quba->get_question_attempt_metadata($this->slot, 'metathingy'));
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|
|
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$this->assertEquals(0, count($this->observer->get_attempts_added()));
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$this->assertEquals(0, count($this->observer->get_attempts_modified()));
|
|
|
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$this->assertEquals(0, count($this->observer->get_steps_added()));
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$this->assertEquals(0, count($this->observer->get_steps_modified()));
|
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$this->assertEquals(0, count($this->observer->get_steps_deleted()));
|
|
|
|
$this->assertEquals(array($this->slot => array('metathingy' => $this->quba->get_question_attempt($this->slot))),
|
|
$this->observer->get_metadata_added());
|
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$this->assertEquals(0, count($this->observer->get_metadata_modified()));
|
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}
|
|
|
|
public function test_set_metadata_previously_set_but_dont_actually_change() {
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$this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
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$this->observer = new testable_question_engine_unit_of_work($this->quba);
|
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$this->quba->set_observer($this->observer);
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$this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
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$this->assertEquals('a value', $this->quba->get_question_attempt_metadata($this->slot, 'metathingy'));
|
|
|
|
$this->assertEquals(0, count($this->observer->get_attempts_added()));
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$this->assertEquals(0, count($this->observer->get_attempts_modified()));
|
|
|
|
$this->assertEquals(0, count($this->observer->get_steps_added()));
|
|
$this->assertEquals(0, count($this->observer->get_steps_modified()));
|
|
$this->assertEquals(0, count($this->observer->get_steps_deleted()));
|
|
|
|
$this->assertEquals(0, count($this->observer->get_metadata_added()));
|
|
$this->assertEquals(0, count($this->observer->get_metadata_modified()));
|
|
}
|
|
|
|
public function test_set_metadata_previously_set() {
|
|
$this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
|
|
$this->observer = new testable_question_engine_unit_of_work($this->quba);
|
|
$this->quba->set_observer($this->observer);
|
|
$this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'different value');
|
|
$this->assertEquals('different value', $this->quba->get_question_attempt_metadata($this->slot, 'metathingy'));
|
|
|
|
$this->assertEquals(0, count($this->observer->get_attempts_added()));
|
|
$this->assertEquals(0, count($this->observer->get_attempts_modified()));
|
|
|
|
$this->assertEquals(0, count($this->observer->get_steps_added()));
|
|
$this->assertEquals(0, count($this->observer->get_steps_modified()));
|
|
$this->assertEquals(0, count($this->observer->get_steps_deleted()));
|
|
|
|
$this->assertEquals(0, count($this->observer->get_metadata_added()));
|
|
$this->assertEquals(array($this->slot => array('metathingy' => $this->quba->get_question_attempt($this->slot))),
|
|
$this->observer->get_metadata_modified());
|
|
}
|
|
|
|
public function test_set_metadata_in_new_question() {
|
|
$newslot = $this->quba->add_question(test_question_maker::make_question('truefalse'));
|
|
$this->quba->start_question($newslot);
|
|
$this->quba->set_question_attempt_metadata($newslot, 'metathingy', 'a value');
|
|
$this->assertEquals('a value', $this->quba->get_question_attempt_metadata($newslot, 'metathingy'));
|
|
|
|
$this->assertEquals(array($newslot => $this->quba->get_question_attempt($newslot)),
|
|
$this->observer->get_attempts_added());
|
|
$this->assertEquals(0, count($this->observer->get_attempts_modified()));
|
|
|
|
$this->assertEquals(0, count($this->observer->get_steps_added()));
|
|
$this->assertEquals(0, count($this->observer->get_steps_modified()));
|
|
$this->assertEquals(0, count($this->observer->get_steps_deleted()));
|
|
|
|
$this->assertEquals(0, count($this->observer->get_metadata_added()));
|
|
$this->assertEquals(0, count($this->observer->get_metadata_modified()));
|
|
}
|
|
|
|
public function test_set_metadata_then_move() {
|
|
$this->quba->set_question_attempt_metadata($this->slot, 'metathingy', 'a value');
|
|
$q = test_question_maker::make_question('truefalse');
|
|
$newslot = $this->quba->add_question_in_place_of_other($this->slot, $q);
|
|
$this->quba->start_question($this->slot);
|
|
$this->assertEquals('a value', $this->quba->get_question_attempt_metadata($newslot, 'metathingy'));
|
|
|
|
$this->assertEquals(array($this->slot => $this->quba->get_question_attempt($this->slot)),
|
|
$this->observer->get_attempts_added());
|
|
$this->assertEquals(array($newslot => $this->quba->get_question_attempt($newslot)),
|
|
$this->observer->get_attempts_modified());
|
|
|
|
$this->assertEquals(0, count($this->observer->get_steps_added()));
|
|
$this->assertEquals(0, count($this->observer->get_steps_modified()));
|
|
$this->assertEquals(0, count($this->observer->get_steps_deleted()));
|
|
|
|
$this->assertEquals(array($newslot => array('metathingy' => $this->quba->get_question_attempt($newslot))),
|
|
$this->observer->get_metadata_added());
|
|
$this->assertEquals(0, count($this->observer->get_metadata_modified()));
|
|
}
|
|
|
|
public function test_move_then_set_metadata() {
|
|
$q = test_question_maker::make_question('truefalse');
|
|
$newslot = $this->quba->add_question_in_place_of_other($this->slot, $q);
|
|
$this->quba->start_question($this->slot);
|
|
$this->quba->set_question_attempt_metadata($newslot, 'metathingy', 'a value');
|
|
$this->assertEquals('a value', $this->quba->get_question_attempt_metadata($newslot, 'metathingy'));
|
|
|
|
$this->assertEquals(array($this->slot => $this->quba->get_question_attempt($this->slot)),
|
|
$this->observer->get_attempts_added());
|
|
$this->assertEquals(array($newslot => $this->quba->get_question_attempt($newslot)),
|
|
$this->observer->get_attempts_modified());
|
|
|
|
$this->assertEquals(0, count($this->observer->get_steps_added()));
|
|
$this->assertEquals(0, count($this->observer->get_steps_modified()));
|
|
$this->assertEquals(0, count($this->observer->get_steps_deleted()));
|
|
|
|
$this->assertEquals(array($newslot => array('metathingy' => $this->quba->get_question_attempt($newslot))),
|
|
$this->observer->get_metadata_added());
|
|
}
|
|
}
|
|
|