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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 some of the code in ../datalib.php.
*
* @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();
global $CFG;
require_once(__DIR__ . '/../lib.php');
/**
* Unit tests for qubaid_condition and subclasses.
*
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qubaid_condition_testcase extends advanced_testcase {
protected function normalize_sql($sql, $params) {
$newparams = array();
preg_match_all('/(?<!:):([a-z][a-z0-9_]*)/', $sql, $named_matches);
foreach($named_matches[1] as $param) {
if (array_key_exists($param, $params)) {
$newparams[] = $params[$param];
}
}
$newsql = preg_replace('/(?<!:):[a-z][a-z0-9_]*/', '?', $sql);
return array($newsql, $newparams);
}
protected function check_typical_question_attempts_query(
qubaid_condition $qubaids, $expectedsql, $expectedparams) {
$sql = "SELECT qa.id, qa.maxmark
FROM {$qubaids->from_question_attempts('qa')}
WHERE {$qubaids->where()} AND qa.slot = :slot";
$params = $qubaids->from_where_params();
$params['slot'] = 1;
// NOTE: parameter names may change thanks to $DB->inorequaluniqueindex, normal comparison is very wrong!!
list($sql, $params) = $this->normalize_sql($sql, $params);
list($expectedsql, $expectedparams) = $this->normalize_sql($expectedsql, $expectedparams);
$this->assertEquals($expectedsql, $sql);
$this->assertEquals($expectedparams, $params);
}
protected function check_typical_in_query(qubaid_condition $qubaids,
$expectedsql, $expectedparams) {
$sql = "SELECT qa.id, qa.maxmark
FROM {question_attempts} qa
WHERE qa.questionusageid {$qubaids->usage_id_in()}";
// NOTE: parameter names may change thanks to $DB->inorequaluniqueindex, normal comparison is very wrong!!
list($sql, $params) = $this->normalize_sql($sql, $qubaids->usage_id_in_params());
list($expectedsql, $expectedparams) = $this->normalize_sql($expectedsql, $expectedparams);
$this->assertEquals($expectedsql, $sql);
$this->assertEquals($expectedparams, $params);
}
public function test_qubaid_list_one_join() {
$qubaids = new qubaid_list(array(1));
$this->check_typical_question_attempts_query($qubaids,
"SELECT qa.id, qa.maxmark
FROM {question_attempts} qa
WHERE qa.questionusageid = :qubaid1 AND qa.slot = :slot",
array('qubaid1' => 1, 'slot' => 1));
}
public function test_qubaid_list_several_join() {
$qubaids = new qubaid_list(array(1, 3, 7));
$this->check_typical_question_attempts_query($qubaids,
"SELECT qa.id, qa.maxmark
FROM {question_attempts} qa
WHERE qa.questionusageid IN (:qubaid2,:qubaid3,:qubaid4) AND qa.slot = :slot",
array('qubaid2' => 1, 'qubaid3' => 3, 'qubaid4' => 7, 'slot' => 1));
}
public function test_qubaid_join() {
$qubaids = new qubaid_join("{other_table} ot", 'ot.usageid', 'ot.id = 1');
$this->check_typical_question_attempts_query($qubaids,
"SELECT qa.id, qa.maxmark
FROM {other_table} ot
JOIN {question_attempts} qa ON qa.questionusageid = ot.usageid
WHERE ot.id = 1 AND qa.slot = :slot", array('slot' => 1));
}
public function test_qubaid_join_no_where_join() {
$qubaids = new qubaid_join("{other_table} ot", 'ot.usageid');
$this->check_typical_question_attempts_query($qubaids,
"SELECT qa.id, qa.maxmark
FROM {other_table} ot
JOIN {question_attempts} qa ON qa.questionusageid = ot.usageid
WHERE 1 = 1 AND qa.slot = :slot", array('slot' => 1));
}
public function test_qubaid_list_one_in() {
global $CFG;
$qubaids = new qubaid_list(array(1));
$this->check_typical_in_query($qubaids,
"SELECT qa.id, qa.maxmark
FROM {question_attempts} qa
WHERE qa.questionusageid = :qubaid5", array('qubaid5' => 1));
}
public function test_qubaid_list_several_in() {
global $CFG;
$qubaids = new qubaid_list(array(1, 2, 3));
$this->check_typical_in_query($qubaids,
"SELECT qa.id, qa.maxmark
FROM {question_attempts} qa
WHERE qa.questionusageid IN (:qubaid6,:qubaid7,:qubaid8)",
array('qubaid6' => 1, 'qubaid7' => 2, 'qubaid8' => 3));
}
public function test_qubaid_join_in() {
global $CFG;
$qubaids = new qubaid_join("{other_table} ot", 'ot.usageid', 'ot.id = 1');
$this->check_typical_in_query($qubaids,
"SELECT qa.id, qa.maxmark
FROM {question_attempts} qa
WHERE qa.questionusageid IN (SELECT ot.usageid FROM {other_table} ot WHERE ot.id = 1)",
array());
}
public function test_qubaid_join_no_where_in() {
global $CFG;
$qubaids = new qubaid_join("{other_table} ot", 'ot.usageid');
$this->check_typical_in_query($qubaids,
"SELECT qa.id, qa.maxmark
FROM {question_attempts} qa
WHERE qa.questionusageid IN (SELECT ot.usageid FROM {other_table} ot WHERE 1 = 1)",
array());
}
}