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moodle/question/engine/simpletest/testquestionattempt.php
Tim Hunt 35d5f1c28d MDL-27948 The question engine should use recordsets to load attempt data 
This should be good for performance (memory usage). It also avoids having to construct a meaningless, unique, first column, which is a pain on MyQSL.
2011-06-22 18:53:15 +01:00

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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/>.
/**
* This file contains tests for the question_attempt class.
*
* Action methods like start, process_action and finish are assumed to be
* tested by walkthrough tests in the various behaviours.
*
* @package moodlecore
* @subpackage questionengine
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once(dirname(__FILE__) . '/../lib.php');
require_once(dirname(__FILE__) . '/helpers.php');
/**
* Unit tests for the {@link question_attempt} class.
*
* These are the tests that don't require any steps.
*
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class question_attempt_test extends UnitTestCase {
private $question;
private $usageid;
private $qa;
public function setUp() {
$this->question = test_question_maker::make_a_description_question();
$this->question->defaultmark = 3;
$this->usageid = 13;
$this->qa = new question_attempt($this->question, $this->usageid);
}
public function tearDown() {
$this->question = null;
$this->useageid = null;
$this->qa = null;
}
public function test_constructor_sets_maxmark() {
$qa = new question_attempt($this->question, $this->usageid);
$this->assertIdentical($this->question, $qa->get_question());
$this->assertEqual(3, $qa->get_max_mark());
}
public function test_maxmark_beats_default_mark() {
$qa = new question_attempt($this->question, $this->usageid, null, 2);
$this->assertEqual(2, $qa->get_max_mark());
}
public function test_get_set_number_in_usage() {
$this->qa->set_number_in_usage(7);
$this->assertEqual(7, $this->qa->get_slot());
}
public function test_fagged_initially_false() {
$this->assertEqual(false, $this->qa->is_flagged());
}
public function test_set_is_flagged() {
$this->qa->set_flagged(true);
$this->assertEqual(true, $this->qa->is_flagged());
}
public function test_get_qt_field_name() {
$name = $this->qa->get_qt_field_name('test');
$this->assertPattern('/^' . preg_quote($this->qa->get_field_prefix()) . '/', $name);
$this->assertPattern('/_test$/', $name);
}
public function test_get_behaviour_field_name() {
$name = $this->qa->get_behaviour_field_name('test');
$this->assertPattern('/^' . preg_quote($this->qa->get_field_prefix()) . '/', $name);
$this->assertPattern('/_-test$/', $name);
}
public function test_get_field_prefix() {
$this->qa->set_number_in_usage(7);
$name = $this->qa->get_field_prefix();
$this->assertPattern('/' . preg_quote($this->usageid) . '/', $name);
$this->assertPattern('/' . preg_quote($this->qa->get_slot()) . '/', $name);
}
public function test_get_submitted_var_not_present_var_returns_null() {
$this->assertNull($this->qa->get_submitted_var(
'reallyunlikelyvariablename', PARAM_BOOL));
}
public function test_get_submitted_var_param_mark_not_present() {
$this->assertNull($this->qa->get_submitted_var(
'name', question_attempt::PARAM_MARK, array()));
}
public function test_get_submitted_var_param_mark_blank() {
$this->assertIdentical('', $this->qa->get_submitted_var(
'name', question_attempt::PARAM_MARK, array('name' => '')));
}
public function test_get_submitted_var_param_mark_number() {
$this->assertIdentical(123.0, $this->qa->get_submitted_var(
'name', question_attempt::PARAM_MARK, array('name' => '123')));
}
public function test_get_submitted_var_param_mark_invalid() {
$this->assertIdentical(0.0, $this->qa->get_submitted_var(
'name', question_attempt::PARAM_MARK, array('name' => 'frog')));
}
}
/**
* These tests use a standard fixture of a {@link question_attempt} with three steps.
*
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class question_attempt_with_steps_test extends UnitTestCase {
private $question;
private $qa;
public function setUp() {
$this->question = test_question_maker::make_a_description_question();
$this->qa = new testable_question_attempt($this->question, 0, null, 2);
for ($i = 0; $i < 3; $i++) {
$step = new question_attempt_step(array('i' => $i));
$this->qa->add_step($step);
}
}
public function tearDown() {
$this->qa = null;
}
public function test_get_step_before_start() {
$this->expectException();
$step = $this->qa->get_step(-1);
}
public function test_get_step_at_start() {
$step = $this->qa->get_step(0);
$this->assertEqual(0, $step->get_qt_var('i'));
}
public function test_get_step_at_end() {
$step = $this->qa->get_step(2);
$this->assertEqual(2, $step->get_qt_var('i'));
}
public function test_get_step_past_end() {
$this->expectException();
$step = $this->qa->get_step(3);
}
public function test_get_num_steps() {
$this->assertEqual(3, $this->qa->get_num_steps());
}
public function test_get_last_step() {
$step = $this->qa->get_last_step();
$this->assertEqual(2, $step->get_qt_var('i'));
}
public function test_get_last_qt_var_there1() {
$this->assertEqual(2, $this->qa->get_last_qt_var('i'));
}
public function test_get_last_qt_var_there2() {
$this->qa->get_step(0)->set_qt_var('_x', 'a value');
$this->assertEqual('a value', $this->qa->get_last_qt_var('_x'));
}
public function test_get_last_qt_var_missing() {
$this->assertNull($this->qa->get_last_qt_var('notthere'));
}
public function test_get_last_qt_var_missing_default() {
$this->assertEqual('default', $this->qa->get_last_qt_var('notthere', 'default'));
}
public function test_get_last_behaviour_var_missing() {
$this->assertNull($this->qa->get_last_qt_var('notthere'));
}
public function test_get_last_behaviour_var_there() {
$this->qa->get_step(1)->set_behaviour_var('_x', 'a value');
$this->assertEqual('a value', '' . $this->qa->get_last_behaviour_var('_x'));
}
public function test_get_state_gets_state_of_last() {
$this->qa->get_step(2)->set_state(question_state::$gradedright);
$this->qa->get_step(1)->set_state(question_state::$gradedwrong);
$this->assertEqual(question_state::$gradedright, $this->qa->get_state());
}
public function test_get_mark_gets_mark_of_last() {
$this->assertEqual(2, $this->qa->get_max_mark());
$this->qa->get_step(2)->set_fraction(0.5);
$this->qa->get_step(1)->set_fraction(0.1);
$this->assertEqual(1, $this->qa->get_mark());
}
public function test_get_fraction_gets_fraction_of_last() {
$this->qa->get_step(2)->set_fraction(0.5);
$this->qa->get_step(1)->set_fraction(0.1);
$this->assertEqual(0.5, $this->qa->get_fraction());
}
public function test_get_fraction_returns_null_if_none() {
$this->assertNull($this->qa->get_fraction());
}
public function test_format_mark() {
$this->qa->get_step(2)->set_fraction(0.5);
$this->assertEqual('1.00', $this->qa->format_mark(2));
}
public function test_format_max_mark() {
$this->assertEqual('2.0000000', $this->qa->format_max_mark(7));
}
public function test_get_min_fraction() {
$this->qa->set_min_fraction(-1);
$this->assertEqual(-1, $this->qa->get_min_fraction(0));
}
public function test_cannot_get_min_fraction_before_start() {
$qa = new question_attempt($this->question, 0);
$this->expectException();
$qa->get_min_fraction();
}
}
/**
* Unit tests for loading data into the {@link question_attempt} class.
*
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class question_attempt_db_test extends data_loading_method_test_base {
public function test_load() {
$records = new test_recordset(array(
array('questionattemptid', 'contextid', 'questionusageid', 'slot',
'behaviour', 'questionid', 'variant', 'maxmark', 'minfraction', 'flagged',
'questionsummary', 'rightanswer', 'responsesummary', 'timemodified',
'attemptstepid', 'sequencenumber', 'state', 'fraction',
'timecreated', 'userid', 'name', 'value'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 1, 0, 'todo', null, 1256233700, 1, null, null),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 2, 1, 'complete', null, 1256233705, 1, 'answer', '1'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 1, '', '', '', 1256233790, 3, 2, 'complete', null, 1256233710, 1, 'answer', '0'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 4, 3, 'complete', null, 1256233715, 1, 'answer', '1'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 5, 4, 'gradedright', 1.0000000, 1256233720, 1, '-finish', '1'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 6, 5, 'mangrpartial', 0.5000000, 1256233790, 1, '-comment', 'Not good enough!'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 6, 5, 'mangrpartial', 0.5000000, 1256233790, 1, '-mark', '1'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 6, 5, 'mangrpartial', 0.5000000, 1256233790, 1, '-maxmark', '2'),
));
$question = test_question_maker::make_question('truefalse', 'true');
$question->id = -1;
question_bank::start_unit_test();
question_bank::load_test_question_data($question);
$qa = question_attempt::load_from_records($records, 1, new question_usage_null_observer(), 'deferredfeedback');
question_bank::end_unit_test();
$this->assertEqual($question->questiontext, $qa->get_question()->questiontext);
$this->assertEqual(6, $qa->get_num_steps());
$step = $qa->get_step(0);
$this->assertEqual(question_state::$todo, $step->get_state());
$this->assertNull($step->get_fraction());
$this->assertEqual(1256233700, $step->get_timecreated());
$this->assertEqual(1, $step->get_user_id());
$this->assertEqual(array(), $step->get_all_data());
$step = $qa->get_step(1);
$this->assertEqual(question_state::$complete, $step->get_state());
$this->assertNull($step->get_fraction());
$this->assertEqual(1256233705, $step->get_timecreated());
$this->assertEqual(1, $step->get_user_id());
$this->assertEqual(array('answer' => '1'), $step->get_all_data());
$step = $qa->get_step(2);
$this->assertEqual(question_state::$complete, $step->get_state());
$this->assertNull($step->get_fraction());
$this->assertEqual(1256233710, $step->get_timecreated());
$this->assertEqual(1, $step->get_user_id());
$this->assertEqual(array('answer' => '0'), $step->get_all_data());
$step = $qa->get_step(3);
$this->assertEqual(question_state::$complete, $step->get_state());
$this->assertNull($step->get_fraction());
$this->assertEqual(1256233715, $step->get_timecreated());
$this->assertEqual(1, $step->get_user_id());
$this->assertEqual(array('answer' => '1'), $step->get_all_data());
$step = $qa->get_step(4);
$this->assertEqual(question_state::$gradedright, $step->get_state());
$this->assertEqual(1, $step->get_fraction());
$this->assertEqual(1256233720, $step->get_timecreated());
$this->assertEqual(1, $step->get_user_id());
$this->assertEqual(array('-finish' => '1'), $step->get_all_data());
$step = $qa->get_step(5);
$this->assertEqual(question_state::$mangrpartial, $step->get_state());
$this->assertEqual(0.5, $step->get_fraction());
$this->assertEqual(1256233790, $step->get_timecreated());
$this->assertEqual(1, $step->get_user_id());
$this->assertEqual(array('-comment' => 'Not good enough!', '-mark' => '1', '-maxmark' => '2'),
$step->get_all_data());
}
public function test_load_missing_question() {
$records = new test_recordset(array(
array('questionattemptid', 'contextid', 'questionusageid', 'slot',
'behaviour', 'questionid', 'variant', 'maxmark', 'minfraction', 'flagged',
'questionsummary', 'rightanswer', 'responsesummary', 'timemodified',
'attemptstepid', 'sequencenumber', 'state', 'fraction',
'timecreated', 'userid', 'name', 'value'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 1, 0, 'todo', null, 1256233700, 1, null, null),
));
question_bank::start_unit_test();
$qa = question_attempt::load_from_records($records, 1, new question_usage_null_observer(), 'deferredfeedback');
question_bank::end_unit_test();
$missingq = question_bank::get_qtype('missingtype')->make_deleted_instance(-1, 2);
$this->assertEqual($missingq, $qa->get_question());
$this->assertEqual(1, $qa->get_num_steps());
$step = $qa->get_step(0);
$this->assertEqual(question_state::$todo, $step->get_state());
$this->assertNull($step->get_fraction());
$this->assertEqual(1256233700, $step->get_timecreated());
$this->assertEqual(1, $step->get_user_id());
$this->assertEqual(array(), $step->get_all_data());
}
}
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