Proyectos de Subversion Moodle

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