dolibarr/test/phpunit/EvalMathTest.php

<?php
/* Copyright (C) 2010 Laurent Destailleur   <eldy@users.sourceforge.net>
 * Copyright (C) 2022 Quatadah Nasdami <quatadah.nasdami@gmail.com>
 * Copyright (C) 2023 Alexandre Janniaux    <alexandre.janniaux@gmail.com>
 *
 * This program 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.
 *
 * This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
 * or see https://www.gnu.org/
 */

/**
 *      \file       test/phpunit/InventoryTest.php
 *      \ingroup    test
 *      \brief      PHPUnit test
 *      \remarks    To run this script as CLI:  phpunit filename.php
 */

global $conf,$user,$langs,$db;
require_once dirname(__FILE__).'/../../htdocs/master.inc.php';
require_once dirname(__FILE__).'/../../htdocs/core/class/evalmath.class.php';

if (empty($user->id)) {
	print "Load permissions for admin user nb 1\n";
	$user->fetch(1);
	$user->getrights();
}
$conf->global->MAIN_DISABLE_ALL_MAILS=1;


/**
 * Class for PHPUnit tests
 *
 * @backupGlobals disabled
 * @backupStaticAttributes enabled
 * @remarks	backupGlobals must be disabled to have db,conf,user and lang not erased.
 */
class EvalMathTest extends PHPUnit\Framework\TestCase
{
	protected $savconf;
	protected $savuser;
	protected $savlangs;
	protected $savdb;

	/**
	 * Constructor
	 * We save global variables into local variables
	 *
	 * @param 	string	$name		Name
	 * @return InventoryTest
	 */
	public function __construct($name = '')
	{
		parent::__construct($name);

		//$this->sharedFixture
		global $conf,$user,$langs,$db;
		$this->savconf=$conf;
		$this->savuser=$user;
		$this->savlangs=$langs;
		$this->savdb=$db;

		print __METHOD__." db->type=".$db->type." user->id=".$user->id;
		//print " - db ".$db->db;
		print "\n";
	}

	/**
	 * setUpBeforeClass
	 *
	 * @return void
	 */
	public static function setUpBeforeClass(): void
	{
		global $conf,$user,$langs,$db;

		$db->begin();	// This is to have all actions inside a transaction even if test launched without suite.

		print __METHOD__."\n";
	}

	/**
	 * tearDownAfterClass
	 *
	 * @return	void
	 */
	public static function tearDownAfterClass(): void
	{
		global $conf,$user,$langs,$db;
		$db->rollback();

		print __METHOD__."\n";
	}

	/**
	 * Init phpunit tests
	 *
	 * @return  void
	 */
	protected function setUp(): void
	{
		global $conf,$user,$langs,$db;
		$conf=$this->savconf;
		$user=$this->savuser;
		$langs=$this->savlangs;
		$db=$this->savdb;

		print __METHOD__."\n";
	}

	/**
	 * End phpunit tests
	 *
	 * @return  void
	 */
	protected function tearDown(): void
	{
		print __METHOD__."\n";
	}

	/**
	 * test postfix evaluation function
	 * @return void
	 */
	public function testEvaluate()
	{
		$localobject = new EvalMath();
		$result = $localobject->evaluate('1+1');
		$this->assertEquals($result, 2);
		print __METHOD__." result=".$result."\n";

		$result = $localobject->evaluate('10-4/4');
		$this->assertEquals($result, 9);
		print __METHOD__." result=".$result."\n";

		$result = $localobject->evaluate('3^3');
		$this->assertEquals($result, 27);
		print __METHOD__." result=".$result."\n";

		$result = $localobject->evaluate('');
		$this->assertEquals($result, '');
		print __METHOD__." result=".$result."\n";
	}
}