1b8d71d953
* Static PHPUnit providers * Limit PHP upgrades till new PHP version is tested * Upgrade PHPUnit config schema
1163 lines
39 KiB
PHP
1163 lines
39 KiB
PHP
<?php
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/**
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* This file is part of the MathExecutor package
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*
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* (c) Alexander Kiryukhin
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code
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*/
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namespace NXP\Tests;
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use Exception;
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use NXP\Exception\DivisionByZeroException;
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use NXP\Exception\IncorrectExpressionException;
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use NXP\Exception\IncorrectNumberOfFunctionParametersException;
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use NXP\Exception\MathExecutorException;
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use NXP\Exception\UnknownFunctionException;
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use NXP\Exception\UnknownVariableException;
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use NXP\MathExecutor;
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use PHPUnit\Framework\TestCase;
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class MathTest extends TestCase
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{
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/**
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* @dataProvider providerExpressions
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*/
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public function testCalculating(string $expression) : void
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{
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$calculator = new MathExecutor();
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/** @var float $phpResult */
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$phpResult = 0.0;
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eval('$phpResult = ' . $expression . ';');
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try {
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$result = $calculator->execute($expression);
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} catch (Exception $e) {
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$this->fail(\sprintf('Exception: %s (%s:%d), expression was: %s', $e::class, $e->getFile(), $e->getLine(), $expression));
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}
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$this->assertEquals($phpResult, $result, "Expression was: {$expression}");
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}
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/**
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* Expressions data provider
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*
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* Most tests can go in here. The idea is that each expression will be evaluated by MathExecutor and by PHP with eval.
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* The results should be the same. If they are not, then the test fails. No need to add extra test unless you are doing
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* something more complex and not a simple mathmatical expression.
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*
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* @return array<array<string>>
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*/
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public static function providerExpressions()
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{
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return [
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['-5'],
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['-5+10'],
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['4-5'],
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['4 -5'],
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['(4*2)-5'],
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['(4*2) - 5'],
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['4*-5'],
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['4 * -5'],
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['+5'],
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['+(3+2)'],
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['+(+3+2)'],
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['+(-3+2)'],
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['-5'],
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['-(-5)'],
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['-(+5)'],
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['+(-5)'],
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['+(+5)'],
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['-(3+2)'],
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['-(-3+-2)'],
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['abs(1.5)'],
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['acos(0.15)'],
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['acosh(1.5)'],
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['asin(0.15)'],
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['atan(0.15)'],
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['atan2(1.5, 3.5)'],
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['atanh(0.15)'],
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['bindec("10101")'],
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['ceil(1.5)'],
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['cos(1.5)'],
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['cosh(1.5)'],
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['decbin("15")'],
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['dechex("15")'],
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['decoct("15")'],
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['deg2rad(1.5)'],
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['exp(1.5)'],
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['expm1(1.5)'],
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['floor(1.5)'],
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['fmod(1.5, 3.5)'],
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['hexdec("abcdef")'],
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['hypot(1.5, 3.5)'],
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['intdiv(10, 2)'],
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['log(1.5)'],
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['log10(1.5)'],
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['log1p(1.5)'],
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['max(1.5, 3.5)'],
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['min(1.5, 3.5)'],
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['octdec("15")'],
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['pi()'],
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['pow(1.5, 3.5)'],
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['rad2deg(1.5)'],
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['round(1.5)'],
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['sin(1.5)'],
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['sin(12)'],
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['+sin(12)'],
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['-sin(12)'],
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['sinh(1.5)'],
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['sqrt(1.5)'],
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['tan(1.5)'],
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['tanh(1.5)'],
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['0.1 + 0.2'],
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['0.1 + 0.2 - 0.3'],
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['1 + 2'],
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['0.1 - 0.2'],
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['1 - 2'],
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['0.1 * 2'],
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['1 * 2'],
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['0.1 / 0.2'],
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['1 / 2'],
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['2 * 2 + 3 * 3'],
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['2 * 2 / 3 * 3'],
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['2 / 2 / 3 / 3'],
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['2 / 2 * 3 / 3'],
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['2 / 2 * 3 * 3'],
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['1 + 0.6 - 3 * 2 / 50'],
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['(5 + 3) * -1'],
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['-2- 2*2'],
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['2- 2*2'],
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['2-(2*2)'],
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['(2- 2)*2'],
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['2 + 2*2'],
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['2+ 2*2'],
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['2+2*2'],
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['(2+2)*2'],
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['(2 + 2)*-2'],
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['(2+-2)*2'],
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['1 + 2 * 3 / (min(1, 5) + 2 + 1)'],
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['1 + 2 * 3 / (min(1, 5) - 2 + 5)'],
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['1 + 2 * 3 / (min(1, 5) * 2 + 1)'],
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['1 + 2 * 3 / (min(1, 5) / 2 + 1)'],
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['1 + 2 * 3 / (min(1, 5) / 2 * 1)'],
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['1 + 2 * 3 / (min(1, 5) / 2 / 1)'],
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['1 + 2 * 3 / (3 + min(1, 5) + 2 + 1)'],
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['1 + 2 * 3 / (3 - min(1, 5) - 2 + 1)'],
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['1 + 2 * 3 / (3 * min(1, 5) * 2 + 1)'],
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['1 + 2 * 3 / (3 / min(1, 5) / 2 + 1)'],
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['(1 + 2) * 3 / (3 / min(1, 5) / 2 + 1)'],
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['sin(10) * cos(50) / min(10, 20/2)'],
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['sin(10) * cos(50) / min(10, (20/2))'],
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['sin(10) * cos(50) / min(10, (max(10,20)/2))'],
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['100500 * 3.5e5'],
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['100500 * 3.5e-5'],
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['100500 * 3.5E5'],
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['100500 * 3.5E-5'],
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['1 + "2" / 3'],
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["1.5 + '2.5' / 4"],
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['1.5 + "2.5" * ".5"'],
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['-1 + -2'],
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['-1+-2'],
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['-1- -2'],
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['-1/-2'],
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['-1*-2'],
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['(1+2+3+4-5)*7/100'],
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['(-1+2+3+4- 5)*7/100'],
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['(1+2+3+4- 5)*7/100'],
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['( 1 + 2 + 3 + 4 - 5 ) * 7 / 100'],
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['1 && 0'],
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['1 && 0 && 1'],
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['1 || 0'],
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['1 && 0 || 1'],
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['5 == 3'],
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['5 == 5'],
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['5 != 3'],
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['5 != 5'],
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['5 > 3'],
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['3 > 5'],
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['3 >= 5'],
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['3 >= 3'],
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['3 < 5'],
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['5 < 3'],
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['3 <= 5'],
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['5 <= 5'],
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['10 < 9 || 4 > (2+1)'],
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['10 < 9 || 4 > (-2+1)'],
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['10 < 9 || 4 > (2+1) && 5 == 5 || 4 != 6 || 3 >= 4 || 3 <= 7'],
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['1 + 5 == 3 + 1'],
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['1 + 5 == 5 + 1'],
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['1 + 5 != 3 + 1'],
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['1 + 5 != 5 + 1'],
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['1 + 5 > 3 + 1'],
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['1 + 3 > 5 + 1'],
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['1 + 3 >= 5 + 1'],
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['1 + 3 >= 3 + 1'],
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['1 + 3 < 5 + 1'],
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['1 + 5 < 3 + 1'],
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['1 + 3 <= 5 + 1'],
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['1 + 5 <= 5 + 1'],
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['(-4)'],
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['(-4 + 5)'],
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['(3 * 1)'],
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['(-3 * -1)'],
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['1 + (-3 * -1)'],
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['1 + ( -3 * 1)'],
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['1 + (3 *-1)'],
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['1 - 0'],
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['1-0'],
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['-(1.5)'],
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['-log(4)'],
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['0-acosh(1.5)'],
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['-acosh(1.5)'],
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['-(-4)'],
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['-(-4 + 5)'],
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['-(3 * 1)'],
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['-(-3 * -1)'],
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['-1 + (-3 * -1)'],
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['-1 + ( -3 * 1)'],
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['-1 + (3 *-1)'],
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['-1 - 0'],
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['-1-0'],
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['-(4*2)-5'],
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['-(4*-2)-5'],
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['-(-4*2) - 5'],
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['-4*-5'],
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['max(1,2,4.9,3)'],
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['min(1,2,4.9,3)'],
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['max([1,2,4.9,3])'],
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['min([1,2,4.9,3])'],
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['4 % 4'],
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['7 % 4'],
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['99 % 4'],
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['123 % 7'],
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['!(1||0)'],
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['!(1&&0)'],
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];
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}
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/**
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* @dataProvider bcMathExpressions
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*/
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public function testBCMathCalculating(string $expression, string $expected = '') : void
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{
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$calculator = new MathExecutor();
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$calculator->useBCMath();
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if ('' === $expected)
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{
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$expected = $expression;
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}
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/** @var float $phpResult */
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$phpResult = 0.0;
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eval('$phpResult = ' . $expected . ';');
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try {
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$result = $calculator->execute($expression);
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} catch (Exception $e) {
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$this->fail(\sprintf('Exception: %s (%s:%d), expression was: %s', $e::class, $e->getFile(), $e->getLine(), $expression));
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}
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$this->assertEquals($phpResult, $result, "Expression was: {$expression}");
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}
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/**
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* Expressions data provider
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*
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* Most tests can go in here. The idea is that each expression will be evaluated by MathExecutor and by PHP with eval.
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* The results should be the same. If they are not, then the test fails. No need to add extra test unless you are doing
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* something more complex and not a simple mathmatical expression.
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*
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* @return array<array<string>>
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*/
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public static function bcMathExpressions()
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{
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return [
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['-5'],
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['-5+10'],
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['4-5'],
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['4 -5'],
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['(4*2)-5'],
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['(4*2) - 5'],
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['4*-5'],
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['4 * -5'],
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['+5'],
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['+(3+2)'],
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['+(+3+2)'],
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['+(-3+2)'],
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['-5'],
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['-(-5)'],
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['-(+5)'],
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['+(-5)'],
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['+(+5)'],
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['-(3+2)'],
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['-(-3+-2)'],
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['abs(1.5)'],
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['acos(0.15)'],
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['acosh(1.5)'],
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['asin(0.15)'],
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['atan(0.15)'],
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['atan2(1.5, 3.5)'],
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['atanh(0.15)'],
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['bindec("10101")'],
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['ceil(1.5)'],
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['cos(1.5)'],
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['cosh(1.5)'],
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['decbin("15")'],
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['dechex("15")'],
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['decoct("15")'],
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['deg2rad(1.5)'],
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['exp(1.5)'],
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['expm1(1.5)'],
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['floor(1.5)'],
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['fmod(1.5, 3.5)'],
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['hexdec("abcdef")'],
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['hypot(1.5, 3.5)'],
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['intdiv(10, 2)'],
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['log(1.5)'],
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['log10(1.5)'],
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['log1p(1.5)'],
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['max(1.5, 3.5)'],
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['min(1.5, 3.5)'],
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['octdec("15")'],
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['pi()'],
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['pow(1.5, 3.5)'],
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['rad2deg(1.5)'],
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['round(1.5)'],
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['sin(1.5)'],
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['sin(12)'],
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['+sin(12)'],
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['-sin(12)', '0.53'],
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['sinh(1.5)'],
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['sqrt(1.5)'],
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['tan(1.5)'],
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['tanh(1.5)'],
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['0.1 + 0.2', '0.30'],
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['0.1 + 0.2 - 0.3', '0.00'],
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['1 + 2'],
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['0.1 - 0.2'],
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['1 - 2'],
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['0.1 * 2'],
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['1 * 2'],
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['0.1 / 0.2'],
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['1 / 2'],
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['2 * 2 + 3 * 3'],
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['2 * 2 / 3 * 3', '3.99'],
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['2 / 2 / 3 / 3', '0.11'],
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['2 / 2 * 3 / 3'],
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['2 / 2 * 3 * 3'],
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['1 + 0.6 - 3 * 2 / 50'],
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['(5 + 3) * -1'],
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['-2- 2*2'],
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['2- 2*2'],
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['2-(2*2)'],
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['(2- 2)*2'],
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['2 + 2*2'],
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['2+ 2*2'],
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['2+2*2'],
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['(2+2)*2'],
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['(2 + 2)*-2'],
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['(2+-2)*2'],
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['1 + 2 * 3 / (min(1, 5) + 2 + 1)'],
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['1 + 2 * 3 / (min(1, 5) - 2 + 5)'],
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['1 + 2 * 3 / (min(1, 5) * 2 + 1)'],
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['1 + 2 * 3 / (min(1, 5) / 2 + 1)'],
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['1 + 2 * 3 / (min(1, 5) / 2 * 1)'],
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['1 + 2 * 3 / (min(1, 5) / 2 / 1)'],
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['1 + 2 * 3 / (3 + min(1, 5) + 2 + 1)', '1.85'],
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['1 + 2 * 3 / (3 - min(1, 5) - 2 + 1)'],
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['1 + 2 * 3 / (3 * min(1, 5) * 2 + 1)', '1.85'],
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['1 + 2 * 3 / (3 / min(1, 5) / 2 + 1)'],
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['(1 + 2) * 3 / (3 / min(1, 5) / 2 + 1)'],
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['sin(10) * cos(50) / min(10, 20/2)', '-0.05'],
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['sin(10) * cos(50) / min(10, (20/2))', '-0.05'],
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['sin(10) * cos(50) / min(10, (max(10,20)/2))', '-0.05'],
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['1 + "2" / 3', '1.66'],
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["1.5 + '2.5' / 4", '2.12'],
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['1.5 + "2.5" * ".5"'],
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['-1 + -2'],
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['-1+-2'],
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['-1- -2'],
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['-1/-2'],
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['-1*-2'],
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['(1+2+3+4-5)*7/100'],
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['(-1+2+3+4- 5)*7/100'],
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['(1+2+3+4- 5)*7/100'],
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['( 1 + 2 + 3 + 4 - 5 ) * 7 / 100'],
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['1 && 0'],
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['1 && 0 && 1'],
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['1 || 0'],
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['1 && 0 || 1'],
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['5 == 3'],
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['5 == 5'],
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['5 != 3'],
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['5 != 5'],
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['5 > 3'],
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['3 > 5'],
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['3 >= 5'],
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['3 >= 3'],
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['3 < 5'],
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['5 < 3'],
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['3 <= 5'],
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['5 <= 5'],
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['10 < 9 || 4 > (2+1)'],
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['10 < 9 || 4 > (-2+1)'],
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['10 < 9 || 4 > (2+1) && 5 == 5 || 4 != 6 || 3 >= 4 || 3 <= 7'],
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['1 + 5 == 3 + 1'],
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['1 + 5 == 5 + 1'],
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['1 + 5 != 3 + 1'],
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['1 + 5 != 5 + 1'],
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['1 + 5 > 3 + 1'],
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['1 + 3 > 5 + 1'],
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['1 + 3 >= 5 + 1'],
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['1 + 3 >= 3 + 1'],
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['1 + 3 < 5 + 1'],
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['1 + 5 < 3 + 1'],
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['1 + 3 <= 5 + 1'],
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['1 + 5 <= 5 + 1'],
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['(-4)'],
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['(-4 + 5)'],
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['(3 * 1)'],
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['(-3 * -1)'],
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['1 + (-3 * -1)'],
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['1 + ( -3 * 1)'],
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['1 + (3 *-1)'],
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['1 - 0'],
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['1-0'],
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['-(1.5)'],
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['-log(4)', '-1.38'],
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['0-acosh(1.5)', '-0.96'],
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['-acosh(1.5)', '-0.96'],
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['-(-4)'],
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['-(-4 + 5)'],
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['-(3 * 1)'],
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['-(-3 * -1)'],
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['-1 + (-3 * -1)'],
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['-1 + ( -3 * 1)'],
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['-1 + (3 *-1)'],
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['-1 - 0'],
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['-1-0'],
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['-(4*2)-5'],
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['-(4*-2)-5'],
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['-(-4*2) - 5'],
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['-4*-5'],
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['max(1,2,4.9,3)'],
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['min(1,2,4.9,3)'],
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['max([1,2,4.9,3])'],
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['min([1,2,4.9,3])'],
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['4 % 4'],
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['7 % 4'],
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['99 % 4'],
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['123 % 7'],
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['!(1||0)'],
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['!(1&&0)'],
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];
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}
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/**
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* @dataProvider incorrectExpressions
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*/
|
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public function testIncorrectExpressionException(string $expression) : void
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{
|
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$calculator = new MathExecutor();
|
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$calculator->setVars(['a' => 12, 'b' => 24]);
|
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$this->expectException(IncorrectExpressionException::class);
|
|
$calculator->execute($expression);
|
|
}
|
|
|
|
/**
|
|
* Incorrect Expressions data provider
|
|
*
|
|
* These expressions should not pass validation
|
|
*
|
|
* @return array<array<string>>
|
|
*/
|
|
public static function incorrectExpressions()
|
|
{
|
|
return [
|
|
['1 * + '],
|
|
[' 2 3'],
|
|
['2 3 '],
|
|
[' 2 4 3 '],
|
|
['$a $b'],
|
|
['$a [3, 4, 5]'],
|
|
['$a (3 + 4)'],
|
|
['$a "string"'],
|
|
['5 "string"'],
|
|
['"string" $a'],
|
|
['$a round(12.345)'],
|
|
['round(12.345) $a'],
|
|
['4 round(12.345)'],
|
|
['round(12.345) 4'],
|
|
];
|
|
}
|
|
|
|
public function testUnknownFunctionException() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->expectException(UnknownFunctionException::class);
|
|
$calculator->execute('1 * fred("wilma") + 3');
|
|
}
|
|
|
|
public function testZeroDivision() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->setDivisionByZeroIsZero();
|
|
$this->assertEquals(0, $calculator->execute('10 / 0'));
|
|
}
|
|
|
|
public function testUnaryOperators() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertEquals(5, $calculator->execute('+5'));
|
|
$this->assertEquals(5, $calculator->execute('+(3+2)'));
|
|
$this->assertEquals(-5, $calculator->execute('-5'));
|
|
$this->assertEquals(5, $calculator->execute('-(-5)'));
|
|
$this->assertEquals(-5, $calculator->execute('+(-5)'));
|
|
$this->assertEquals(-5, $calculator->execute('-(3+2)'));
|
|
}
|
|
|
|
public function testZeroDivisionException() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->expectException(DivisionByZeroException::class);
|
|
$calculator->execute('10 / 0');
|
|
$calculator->setVar('one', 1)->setVar('zero', 0);
|
|
$this->assertEquals(0.0, $calculator->execute('$one / $zero'));
|
|
}
|
|
|
|
public function testVariableIncorrectExpressionException() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->setVar('four', 4);
|
|
$this->assertEquals(4, $calculator->execute('$four'));
|
|
$this->expectException(IncorrectExpressionException::class);
|
|
$this->assertEquals(0.0, $calculator->execute('$'));
|
|
$this->assertEquals(0.0, $calculator->execute('$ + $four'));
|
|
}
|
|
|
|
public function testExponentiation() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertEquals(100, $calculator->execute('10 ^ 2'));
|
|
}
|
|
|
|
public function testStringEscape() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertEquals("test\string", $calculator->execute('"test\string"'));
|
|
$this->assertEquals("\\test\string\\", $calculator->execute('"\test\string\\\\"'));
|
|
$this->assertEquals('\test\string\\', $calculator->execute('"\test\string\\\\"'));
|
|
$this->assertEquals('test\\\\string', $calculator->execute('"test\\\\\\\\string"'));
|
|
$this->assertEquals('test"string', $calculator->execute('"test\"string"'));
|
|
$this->assertEquals('test""string', $calculator->execute('"test\"\"string"'));
|
|
$this->assertEquals('"teststring', $calculator->execute('"\"teststring"'));
|
|
$this->assertEquals('teststring"', $calculator->execute('"teststring\""'));
|
|
$this->assertEquals("test'string", $calculator->execute("'test\'string'"));
|
|
$this->assertEquals("test''string", $calculator->execute("'test\'\'string'"));
|
|
$this->assertEquals("'teststring", $calculator->execute("'\'teststring'"));
|
|
$this->assertEquals("teststring'", $calculator->execute("'teststring\''"));
|
|
|
|
$calculator->addFunction('concat', static fn($arg1, $arg2) => $arg1 . $arg2);
|
|
$this->assertEquals('test"ing', $calculator->execute('concat("test\"","ing")'));
|
|
$this->assertEquals("test'ing", $calculator->execute("concat('test\'','ing')"));
|
|
}
|
|
|
|
public function testArrays() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertEquals([1, 5, 2], $calculator->execute('array(1, 5, 2)'));
|
|
$this->assertEquals([1, 5, 2], $calculator->execute('[1, 5, 2]'));
|
|
$this->assertEquals(\max([1, 5, 2]), $calculator->execute('max([1, 5, 2])'));
|
|
$this->assertEquals(\max([1, 5, 2]), $calculator->execute('max(array(1, 5, 2))'));
|
|
$calculator->addFunction('arr_with_max_elements', static function($arg1, ...$args) {
|
|
$args = \is_array($arg1) ? $arg1 : [$arg1, ...$args];
|
|
\usort($args, static fn($arr1, $arr2) => (\is_countable($arr2) ? \count($arr2) : 0) <=> \count($arr1));
|
|
|
|
return $args[0];
|
|
});
|
|
$this->assertEquals([3, 3, 3], $calculator->execute('arr_with_max_elements([[1],array(2,2),[3,3,3]])'));
|
|
}
|
|
|
|
public function testFunctionParameterOrder() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
|
|
$calculator->addFunction('concat', static fn($arg1, $arg2) => $arg1 . $arg2);
|
|
$this->assertEquals('testing', $calculator->execute('concat("test","ing")'));
|
|
$this->assertEquals('testing', $calculator->execute("concat('test','ing')"));
|
|
}
|
|
|
|
public function testFunction() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->addFunction('round', static fn($arg) => \round($arg));
|
|
$this->assertEquals(\round(100 / 30), $calculator->execute('round(100/30)'));
|
|
}
|
|
|
|
public function testFunctionUnlimitedParameters() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->addFunction('give_me_an_array', static fn() => [5, 3, 7, 9, 8]);
|
|
$this->assertEquals(6.4, $calculator->execute('avg(give_me_an_array())'));
|
|
$this->assertEquals(10, $calculator->execute('avg(12,8,15,5)'));
|
|
$this->assertEquals(3, $calculator->execute('min(give_me_an_array())'));
|
|
$this->assertEquals(1, $calculator->execute('min(1,2,3)'));
|
|
$this->assertEquals(9, $calculator->execute('max(give_me_an_array())'));
|
|
$this->assertEquals(3, $calculator->execute('max(1,2,3)'));
|
|
$this->assertEquals(7, $calculator->execute('median(give_me_an_array())'));
|
|
$this->assertEquals(4, $calculator->execute('median(1,3,5,7)'));
|
|
$calculator->setVar('monthly_salaries', [100, 200, 300]);
|
|
$this->assertEquals([100, 200, 300], $calculator->execute('$monthly_salaries'));
|
|
$this->assertEquals(200, $calculator->execute('avg($monthly_salaries)'));
|
|
$this->assertEquals(\min([100, 200, 300]), $calculator->execute('min($monthly_salaries)'));
|
|
$this->assertEquals(\max([100, 200, 300]), $calculator->execute('max($monthly_salaries)'));
|
|
$this->assertEquals(200, $calculator->execute('median($monthly_salaries)'));
|
|
}
|
|
|
|
public function testFunctionOptionalParameters() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->addFunction('round', static fn($num, $precision = 0) => \round($num, $precision));
|
|
$this->assertEquals(\round(11.176), $calculator->execute('round(11.176)'));
|
|
$this->assertEquals(\round(11.176, 2), $calculator->execute('round(11.176,2)'));
|
|
}
|
|
|
|
public function testFunctionIncorrectNumberOfParameters() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->expectException(IncorrectNumberOfFunctionParametersException::class);
|
|
$calculator->addFunction('myfunc', static fn($arg1, $arg2) => $arg1 + $arg2);
|
|
$calculator->execute('myfunc(1)');
|
|
}
|
|
|
|
public function testFunctionIncorrectNumberOfParametersTooMany() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->expectException(IncorrectNumberOfFunctionParametersException::class);
|
|
$calculator->addFunction('myfunc', static fn($arg1, $arg2) => $arg1 + $arg2);
|
|
$calculator->execute('myfunc(1,2,3)');
|
|
}
|
|
|
|
public function testFunctionIf() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertEquals(
|
|
30,
|
|
$calculator->execute(
|
|
'if(100 > 99, 30, 0)'
|
|
),
|
|
'Expression failed: if(100 > 99, 30, 0)'
|
|
);
|
|
$this->assertEquals(
|
|
0,
|
|
$calculator->execute(
|
|
'if(100 < 99, 30, 0)'
|
|
),
|
|
'Expression failed: if(100 < 99, 30, 0)'
|
|
);
|
|
$this->assertEquals(
|
|
30,
|
|
$calculator->execute(
|
|
'if(98 < 99 && sin(1) < 1, 30, 0)'
|
|
),
|
|
'Expression failed: if(98 < 99 && sin(1) < 1, 30, 0)'
|
|
);
|
|
$this->assertEquals(
|
|
40,
|
|
$calculator->execute(
|
|
'if(98 < 99 && sin(1) < 1, max(30, 40), 0)'
|
|
),
|
|
'Expression failed: if(98 < 99 && sin(1) < 1, max(30, 40), 0)'
|
|
);
|
|
$this->assertEquals(
|
|
40,
|
|
$calculator->execute(
|
|
'if(98 < 99 && sin(1) < 1, if(10 > 5, max(30, 40), 1), 0)'
|
|
),
|
|
'Expression failed: if(98 < 99 && sin(1) < 1, if(10 > 5, max(30, 40), 1), 0)'
|
|
);
|
|
$this->assertEquals(
|
|
20,
|
|
$calculator->execute(
|
|
'if(98 < 99 && sin(1) > 1, if(10 > 5, max(30, 40), 1), if(4 <= 4, 20, 21))'
|
|
),
|
|
'Expression failed: if(98 < 99 && sin(1) > 1, if(10 > 5, max(30, 40), 1), if(4 <= 4, 20, 21))'
|
|
);
|
|
$this->assertEquals(
|
|
\cos(2),
|
|
$calculator->execute(
|
|
'if(98 < 99 && sin(1) >= 1, max(30, 40), cos(2))'
|
|
),
|
|
'Expression failed: if(98 < 99 && sin(1) >= 1, max(30, 40), cos(2))'
|
|
);
|
|
$this->assertEquals(
|
|
\cos(2),
|
|
$calculator->execute(
|
|
'if(cos(2), cos(2), 0)'
|
|
),
|
|
'Expression failed: if(cos(2), cos(2), 0)'
|
|
);
|
|
$trx_amount = 100000;
|
|
$calculator->setVar('trx_amount', $trx_amount);
|
|
$this->assertEquals($trx_amount, $calculator->execute('$trx_amount'));
|
|
$this->assertEquals(
|
|
$trx_amount * 0.03,
|
|
$calculator->execute(
|
|
'if($trx_amount < 40000, $trx_amount * 0.06, $trx_amount * 0.03)'
|
|
),
|
|
'Expression failed: if($trx_amount < 40000, $trx_amount * 0.06, $trx_amount * 0.03)'
|
|
);
|
|
$this->assertEquals(
|
|
$trx_amount * 0.03,
|
|
$calculator->execute(
|
|
'if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))'
|
|
),
|
|
'Expression failed: if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))'
|
|
);
|
|
$trx_amount = 39000;
|
|
$calculator->setVar('trx_amount', $trx_amount);
|
|
$this->assertEquals(
|
|
$trx_amount * 0.06,
|
|
$calculator->execute(
|
|
'if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))'
|
|
),
|
|
'Expression failed: if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))'
|
|
);
|
|
$trx_amount = 59000;
|
|
$calculator->setVar('trx_amount', $trx_amount);
|
|
$this->assertEquals(
|
|
$trx_amount * 0.05,
|
|
$calculator->execute(
|
|
'if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))'
|
|
),
|
|
'Expression failed: if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))'
|
|
);
|
|
$this->expectException(IncorrectNumberOfFunctionParametersException::class);
|
|
$this->assertEquals(
|
|
0.0,
|
|
$calculator->execute(
|
|
'if($trx_amount < 40000, $trx_amount * 0.06)'
|
|
),
|
|
'Expression failed: if($trx_amount < 40000, $trx_amount * 0.06)'
|
|
);
|
|
}
|
|
|
|
public function testVariables() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertEquals(3.14159265359, $calculator->execute('$pi'));
|
|
$this->assertEquals(3.14159265359, $calculator->execute('pi'));
|
|
$this->assertEquals(2.71828182846, $calculator->execute('$e'));
|
|
$this->assertEquals(2.71828182846, $calculator->execute('e'));
|
|
$calculator->setVars([
|
|
'trx_amount' => 100000.01,
|
|
'ten' => 10,
|
|
'nine' => 9,
|
|
'eight' => 8,
|
|
'seven' => 7,
|
|
'six' => 6,
|
|
'five' => 5,
|
|
'four' => 4,
|
|
'three' => 3,
|
|
'two' => 2,
|
|
'one' => 1,
|
|
'zero' => 0,
|
|
]);
|
|
$this->assertEquals(100000.01, $calculator->execute('$trx_amount'));
|
|
$this->assertEquals(10 - 9, $calculator->execute('$ten - $nine'));
|
|
$this->assertEquals(9 - 10, $calculator->execute('$nine - $ten'));
|
|
$this->assertEquals(10 + 9, $calculator->execute('$ten + $nine'));
|
|
$this->assertEquals(10 * 9, $calculator->execute('$ten * $nine'));
|
|
$this->assertEquals(10 / 9, $calculator->execute('$ten / $nine'));
|
|
$this->assertEquals(10 / (9 / 5), $calculator->execute('$ten / ($nine / $five)'));
|
|
|
|
// test variables without leading $
|
|
$this->assertEquals(100000.01, $calculator->execute('trx_amount'));
|
|
$this->assertEquals(10 - 9, $calculator->execute('ten - nine'));
|
|
$this->assertEquals(9 - 10, $calculator->execute('nine - ten'));
|
|
$this->assertEquals(10 + 9, $calculator->execute('ten + nine'));
|
|
$this->assertEquals(10 * 9, $calculator->execute('ten * nine'));
|
|
$this->assertEquals(10 / 9, $calculator->execute('ten / nine'));
|
|
$this->assertEquals(10 / (9 / 5), $calculator->execute('ten / (nine / five)'));
|
|
}
|
|
|
|
public function testEvaluateFunctionParameters() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->addFunction(
|
|
'round',
|
|
static fn($value, $decimals) => \round($value, $decimals)
|
|
);
|
|
$expression = 'round(100 * 1.111111, 2)';
|
|
$phpResult = 0;
|
|
eval('$phpResult = ' . $expression . ';');
|
|
$this->assertEquals($phpResult, $calculator->execute($expression));
|
|
$expression = 'round((100*0.04)+(((100*1.02)+0.5)*1.28),2)';
|
|
eval('$phpResult = ' . $expression . ';');
|
|
$this->assertEquals($phpResult, $calculator->execute($expression));
|
|
}
|
|
|
|
public function testFunctionsWithQuotes() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->addFunction('concat', static fn($first, $second) => $first . $second);
|
|
$this->assertEquals('testing', $calculator->execute('concat("test", "ing")'));
|
|
$this->assertEquals('testing', $calculator->execute("concat('test', 'ing')"));
|
|
}
|
|
|
|
public function testQuotes() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$testString = 'some, long. arg; with: different-separators!';
|
|
$calculator->addFunction(
|
|
'test',
|
|
function($arg) use ($testString) {
|
|
$this->assertEquals($testString, $arg);
|
|
|
|
return 0;
|
|
}
|
|
);
|
|
$calculator->execute('test("' . $testString . '")'); // single quotes
|
|
$calculator->execute("test('" . $testString . "')"); // double quotes
|
|
}
|
|
|
|
public function testBeginWithBracketAndMinus() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertEquals(-4, $calculator->execute('(-4)'));
|
|
$this->assertEquals(1, $calculator->execute('(-4 + 5)'));
|
|
}
|
|
|
|
public function testStringComparison() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertEquals(true, $calculator->execute('"a" == \'a\''));
|
|
$this->assertEquals(true, $calculator->execute('"hello world" == "hello world"'));
|
|
$this->assertEquals(false, $calculator->execute('"hello world" == "hola mundo"'));
|
|
$this->assertEquals(true, $calculator->execute('"hello world" != "hola mundo"'));
|
|
$this->assertEquals(true, $calculator->execute('"a" < "b"'));
|
|
$this->assertEquals(false, $calculator->execute('"a" > "b"'));
|
|
$this->assertEquals(true, $calculator->execute('"a" <= "b"'));
|
|
$this->assertEquals(false, $calculator->execute('"a" >= "b"'));
|
|
$this->assertEquals(true, $calculator->execute('"A" != "a"'));
|
|
}
|
|
|
|
public function testVarStringComparison() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->setVar('var', 97);
|
|
$this->assertEquals(false, $calculator->execute('97 == "a"'));
|
|
$this->assertEquals(false, $calculator->execute('$var == "a"'));
|
|
$calculator->setVar('var', 'a');
|
|
$this->assertEquals(true, $calculator->execute('$var == "a"'));
|
|
}
|
|
|
|
public function testOnVarNotFound() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->setVarNotFoundHandler(
|
|
static function($varName) {
|
|
if ('undefined' == $varName) {
|
|
return 3;
|
|
}
|
|
}
|
|
);
|
|
$this->assertEquals(15, $calculator->execute('5 * undefined'));
|
|
$this->assertEquals(3, $calculator->getVar('undefined'));
|
|
$this->assertNull($calculator->getVar('Lucy'));
|
|
}
|
|
|
|
public function testGetVarException() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->expectException(UnknownVariableException::class);
|
|
$this->assertNull($calculator->getVar('Lucy'));
|
|
}
|
|
|
|
public function testMinusZero() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertEquals(1, $calculator->execute('1 - 0'));
|
|
$this->assertEquals(1, $calculator->execute('1-0'));
|
|
}
|
|
|
|
public function testScientificNotation() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertEquals(1.5e9, $calculator->execute('1.5e9'));
|
|
$this->assertEquals(1.5e-9, $calculator->execute('1.5e-9'));
|
|
$this->assertEquals(1.5e+9, $calculator->execute('1.5e+9'));
|
|
}
|
|
|
|
public function testNullReturnType() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->setVar('nullValue', null);
|
|
$this->assertEquals(null, $calculator->execute('nullValue'));
|
|
}
|
|
|
|
public function testGetFunctionsReturnsArray() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertIsArray($calculator->getFunctions());
|
|
}
|
|
|
|
public function testGetFunctionsReturnsFunctions() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertGreaterThan(40, \count($calculator->getFunctions()));
|
|
}
|
|
|
|
public function testGetVarsReturnsArray() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertIsArray($calculator->getVars());
|
|
}
|
|
|
|
public function testGetVarsReturnsCount() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertGreaterThan(1, \count($calculator->getVars()));
|
|
}
|
|
|
|
public function testUndefinedVarThrowsExecption() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertGreaterThan(1, \count($calculator->getVars()));
|
|
$this->expectException(UnknownVariableException::class);
|
|
$calculator->execute('5 * undefined');
|
|
}
|
|
|
|
public function testSetVarsAcceptsAllScalars() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->setVar('boolTrue', true);
|
|
$calculator->setVar('boolFalse', false);
|
|
$calculator->setVar('int', 1);
|
|
$calculator->setVar('null', null);
|
|
$calculator->setVar('float', 1.1);
|
|
$calculator->setVar('string', 'string');
|
|
$this->assertCount(8, $calculator->getVars());
|
|
$this->assertEquals(true, $calculator->getVar('boolTrue'));
|
|
$this->assertEquals(false, $calculator->getVar('boolFalse'));
|
|
$this->assertEquals(1, $calculator->getVar('int'));
|
|
$this->assertEquals(null, $calculator->getVar('null'));
|
|
$this->assertEquals(1.1, $calculator->getVar('float'));
|
|
$this->assertEquals('string', $calculator->getVar('string'));
|
|
|
|
$this->expectException(MathExecutorException::class);
|
|
$calculator->setVar('validVar', new \DateTime());
|
|
}
|
|
|
|
public function testSetVarsDoesNotAcceptObject() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->expectException(MathExecutorException::class);
|
|
$calculator->setVar('object', $this);
|
|
}
|
|
|
|
public function testSetVarsDoesNotAcceptResource() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->expectException(MathExecutorException::class);
|
|
$calculator->setVar('resource', \tmpfile());
|
|
}
|
|
|
|
public function testSetCustomVarValidator() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->setVarValidationHandler(static function(string $name, $variable) : void {
|
|
// allow all scalars and null
|
|
if (\is_scalar($variable) || null === $variable) {
|
|
return;
|
|
}
|
|
// Allow variables of type DateTime, but not others
|
|
if (! $variable instanceof \DateTime) {
|
|
throw new MathExecutorException('Invalid variable type');
|
|
}
|
|
});
|
|
|
|
$calculator->setVar('validFloat', 0.0);
|
|
$calculator->setVar('validInt', 0);
|
|
$calculator->setVar('validTrue', true);
|
|
$calculator->setVar('validFalse', false);
|
|
$calculator->setVar('validString', 'string');
|
|
$calculator->setVar('validNull', null);
|
|
$calculator->setVar('validDateTime', new \DateTime());
|
|
|
|
$this->expectException(MathExecutorException::class);
|
|
$calculator->setVar('validVar', $this);
|
|
}
|
|
|
|
public function testSetCustomVarNameValidator() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$calculator->setVarValidationHandler(static function(string $name, $variable) : void {
|
|
// don't allow variable names with the word invalid in them
|
|
if (\str_contains($name, 'invalid')) {
|
|
throw new MathExecutorException('Invalid variable name');
|
|
}
|
|
});
|
|
|
|
$calculator->setVar('validFloat', 0.0);
|
|
$calculator->setVar('validInt', 0);
|
|
$calculator->setVar('validTrue', true);
|
|
$calculator->setVar('validFalse', false);
|
|
$calculator->setVar('validString', 'string');
|
|
$calculator->setVar('validNull', null);
|
|
$calculator->setVar('validDateTime', new \DateTime());
|
|
|
|
$this->expectException(MathExecutorException::class);
|
|
$calculator->setVar('invalidVar', 12);
|
|
}
|
|
|
|
public function testVarExists() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$varName = 'Eythel';
|
|
$calculator->setVar($varName, 1);
|
|
$this->assertTrue($calculator->varExists($varName));
|
|
$this->assertFalse($calculator->varExists('Lucy'));
|
|
}
|
|
|
|
/**
|
|
* @dataProvider providerExpressionValues
|
|
*/
|
|
public function testCalculatingValues(string $expression, mixed $value) : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
|
|
try {
|
|
$result = $calculator->execute($expression);
|
|
} catch (Exception $e) {
|
|
$this->fail(\sprintf('Exception: %s (%s:%d), expression was: %s', $e::class, $e->getFile(), $e->getLine(), $expression));
|
|
}
|
|
$this->assertEquals($value, $result, "{$expression} did not evaluate to {$value}");
|
|
}
|
|
|
|
/**
|
|
* Expressions data provider
|
|
*
|
|
* Most tests can go in here. The idea is that each expression will be evaluated by MathExecutor and by PHP directly.
|
|
* The results should be the same. If they are not, then the test fails. No need to add extra test unless you are doing
|
|
* something more complex and not a simple mathmatical expression.
|
|
*
|
|
* @return array<array<mixed>>
|
|
*/
|
|
public static function providerExpressionValues()
|
|
{
|
|
return [
|
|
['arccos(0.5)', \acos(0.5)],
|
|
['arccosec(4)', \asin(1 / 4)],
|
|
['arccot(3)', M_PI / 2 - \atan(3)],
|
|
['arccotan(4)', M_PI / 2 - \atan(4)],
|
|
['arccsc(4)', \asin(1 / 4)],
|
|
['arcctg(3)', M_PI / 2 - \atan(3)],
|
|
['arcsec(4)', \acos(1 / 4)],
|
|
['arcsin(0.5)', \asin(0.5)],
|
|
['arctan(0.5)', \atan(0.5)],
|
|
['arctan(4)', \atan(4)],
|
|
['arctg(0.5)', \atan(0.5)],
|
|
['cosec(12)', 1 / \sin(12)],
|
|
['cosec(4)', 1 / \sin(4)],
|
|
['cosh(12)', \cosh(12)],
|
|
['cot(12)', \cos(12) / \sin(12)],
|
|
['cotan(12)', \cos(12) / \sin(12)],
|
|
['cotan(4)', \cos(4) / \sin(4)],
|
|
['cotg(3)', \cos(3) / \sin(3)],
|
|
['csc(4)', 1 / \sin(4)],
|
|
['ctg(4)', \cos(4) / \sin(4)],
|
|
['ctn(4)', \cos(4) / \sin(4)],
|
|
['decbin(10)', \decbin(10)],
|
|
['lg(2)', \log10(2)],
|
|
['ln(2)', \log(2)],
|
|
['sec(4)', 1 / \cos(4)],
|
|
['tg(4)', \tan(4)],
|
|
];
|
|
}
|
|
|
|
public function testCache() : void
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertEquals(256, $calculator->execute('2 ^ 8')); // second arg $cache is true by default
|
|
|
|
$this->assertIsArray($calculator->getCache());
|
|
$this->assertCount(1, $calculator->getCache());
|
|
|
|
$this->assertEquals(512, $calculator->execute('2 ^ 9', true));
|
|
$this->assertCount(2, $calculator->getCache());
|
|
|
|
$this->assertEquals(1024, $calculator->execute('2 ^ 10', false));
|
|
$this->assertCount(2, $calculator->getCache());
|
|
|
|
$calculator->clearCache();
|
|
$this->assertIsArray($calculator->getCache());
|
|
$this->assertCount(0, $calculator->getCache());
|
|
|
|
$this->assertEquals(2048, $calculator->execute('2 ^ 11', false));
|
|
$this->assertCount(0, $calculator->getCache());
|
|
}
|
|
|
|
public function testUnsupportedOperands() : void
|
|
{
|
|
if (\version_compare(PHP_VERSION, '8') >= 0) {
|
|
$calculator = new MathExecutor();
|
|
|
|
$calculator->setVar('stringVar', 'string');
|
|
$calculator->setVar('intVar', 1);
|
|
|
|
$this->expectException(\TypeError::class);
|
|
$calculator->execute('stringVar + intVar');
|
|
} else {
|
|
$this->expectNotToPerformAssertions();
|
|
}
|
|
}
|
|
}
|