761ac50344
* Additional tests Co-authored-by: diman3210 <diman-3210@mail.ru>
592 lines
20 KiB
PHP
592 lines
20 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($expression)
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{
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$calculator = new MathExecutor();
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/** @var float $phpResult */
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eval('$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", get_class($e), $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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public 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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['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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['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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['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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['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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];
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}
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public function testUnknownFunctionException()
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{
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$calculator = new MathExecutor();
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$this->expectException(UnknownFunctionException::class);
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$calculator->execute('1 * fred("wilma") + 3');
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}
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public function testIncorrectExpressionException()
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{
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$calculator = new MathExecutor();
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$this->expectException(IncorrectExpressionException::class);
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$calculator->execute('1 * + ');
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}
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public function testZeroDivision()
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{
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$calculator = new MathExecutor();
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$calculator->setDivisionByZeroIsZero();
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$this->assertEquals(0, $calculator->execute('10 / 0'));
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}
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public function testZeroDivisionException()
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{
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$calculator = new MathExecutor();
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$this->expectException(DivisionByZeroException::class);
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$calculator->execute('10 / 0');
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$calculator->setVar('one', 1)->setVar('zero', 0);
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$this->assertEquals(0.0, $calculator->execute('$one / $zero'));
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}
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public function testVariableIncorrectExpressionException()
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{
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$calculator = new MathExecutor();
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$calculator->setVar('four', 4);
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$this->assertEquals(4, $calculator->execute('$four'));
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$this->expectException(IncorrectExpressionException::class);
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$this->assertEquals(0.0, $calculator->execute('$'));
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$this->assertEquals(0.0, $calculator->execute('$ + $four'));
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}
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public function testExponentiation()
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{
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$calculator = new MathExecutor();
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$this->assertEquals(100, $calculator->execute('10 ^ 2'));
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}
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public function testFunctionParameterOrder()
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{
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$calculator = new MathExecutor();
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$calculator->addFunction('concat', function ($arg1, $arg2) {
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return $arg1 . $arg2;
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});
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$this->assertEquals('testing', $calculator->execute('concat("test","ing")'));
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$this->assertEquals('testing', $calculator->execute("concat('test','ing')"));
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}
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public function testFunction()
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{
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$calculator = new MathExecutor();
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$calculator->addFunction('round', function ($arg) {
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return round($arg);
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});
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$this->assertEquals(round(100 / 30), $calculator->execute('round(100/30)'));
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}
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public function testFunctionIf()
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{
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$calculator = new MathExecutor();
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$this->assertEquals(30, $calculator->execute(
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'if(100 > 99, 30, 0)'
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));
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$this->assertEquals(0, $calculator->execute(
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'if(100 < 99, 30, 0)'
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));
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$this->assertEquals(30, $calculator->execute(
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'if(98 < 99 && sin(1) < 1, 30, 0)'
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));
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$this->assertEquals(40, $calculator->execute(
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'if(98 < 99 && sin(1) < 1, max(30, 40), 0)'
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));
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$this->assertEquals(40, $calculator->execute(
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'if(98 < 99 && sin(1) < 1, if(10 > 5, max(30, 40), 1), 0)'
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));
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$this->assertEquals(20, $calculator->execute(
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'if(98 < 99 && sin(1) > 1, if(10 > 5, max(30, 40), 1), if(4 <= 4, 20, 21))'
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));
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$this->assertEquals(cos(2), $calculator->execute(
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'if(98 < 99 && sin(1) >= 1, max(30, 40), cos(2))'
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));
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$this->assertEquals(cos(2), $calculator->execute(
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'if(cos(2), cos(2), 0)'
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));
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$trx_amount = 100000;
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$calculator->setVar('trx_amount', $trx_amount);
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$this->assertEquals($trx_amount, $calculator->execute('$trx_amount'));
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$this->assertEquals($trx_amount * 0.03, $calculator->execute(
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'if($trx_amount < 40000, $trx_amount * 0.06, $trx_amount * 0.03)'
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));
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$this->assertEquals($trx_amount * 0.03, $calculator->execute(
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'if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))'
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));
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$trx_amount = 39000;
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$calculator->setVar('trx_amount', $trx_amount);
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$this->assertEquals($trx_amount * 0.06, $calculator->execute(
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'if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))'
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));
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$trx_amount = 59000;
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$calculator->setVar('trx_amount', $trx_amount);
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$this->assertEquals($trx_amount * 0.05, $calculator->execute(
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'if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))'
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));
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$this->expectException(IncorrectNumberOfFunctionParametersException::class);
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$this->assertEquals(0.0, $calculator->execute(
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'if($trx_amount < 40000, $trx_amount * 0.06)'
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));
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}
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public function testVariables()
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{
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$calculator = new MathExecutor();
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$this->assertEquals(3.14159265359, $calculator->execute('$pi'));
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$this->assertEquals(3.14159265359, $calculator->execute('pi'));
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$this->assertEquals(2.71828182846, $calculator->execute('$e'));
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$this->assertEquals(2.71828182846, $calculator->execute('e'));
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$calculator->setVars([
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'trx_amount' => 100000.01,
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'ten' => 10,
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'nine' => 9,
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'eight' => 8,
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'seven' => 7,
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'six' => 6,
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'five' => 5,
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'four' => 4,
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'three' => 3,
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'two' => 2,
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'one' => 1,
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'zero' => 0,
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]);
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$this->assertEquals(100000.01, $calculator->execute('$trx_amount'));
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$this->assertEquals(10 - 9, $calculator->execute('$ten - $nine'));
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$this->assertEquals(9 - 10, $calculator->execute('$nine - $ten'));
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$this->assertEquals(10 + 9, $calculator->execute('$ten + $nine'));
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$this->assertEquals(10 * 9, $calculator->execute('$ten * $nine'));
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$this->assertEquals(10 / 9, $calculator->execute('$ten / $nine'));
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$this->assertEquals(10 / (9 / 5), $calculator->execute('$ten / ($nine / $five)'));
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// test variables without leading $
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$this->assertEquals(100000.01, $calculator->execute('trx_amount'));
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$this->assertEquals(10 - 9, $calculator->execute('ten - nine'));
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$this->assertEquals(9 - 10, $calculator->execute('nine - ten'));
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$this->assertEquals(10 + 9, $calculator->execute('ten + nine'));
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$this->assertEquals(10 * 9, $calculator->execute('ten * nine'));
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$this->assertEquals(10 / 9, $calculator->execute('ten / nine'));
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$this->assertEquals(10 / (9 / 5), $calculator->execute('ten / (nine / five)'));
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}
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public function testEvaluateFunctionParameters()
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{
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$calculator = new MathExecutor();
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$calculator->addFunction(
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'round',
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function ($value, $decimals) {
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return round($value, $decimals);
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}
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);
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$expression = 'round(100 * 1.111111, 2)';
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$phpResult = 0;
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eval('$phpResult = ' . $expression . ';');
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$this->assertEquals($phpResult, $calculator->execute($expression));
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$expression = 'round((100*0.04)+(((100*1.02)+0.5)*1.28),2)';
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eval('$phpResult = ' . $expression . ';');
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$this->assertEquals($phpResult, $calculator->execute($expression));
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}
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public function testFunctionsWithQuotes()
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{
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$calculator = new MathExecutor();
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$calculator->addFunction('concat', function ($first, $second) {
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return $first . $second;
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});
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$this->assertEquals('testing', $calculator->execute('concat("test", "ing")'));
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$this->assertEquals('testing', $calculator->execute("concat('test', 'ing')"));
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}
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public function testQuotes()
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{
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$calculator = new MathExecutor();
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$testString = "some, long. arg; with: different-separators!";
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$calculator->addFunction(
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'test',
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function ($arg) use ($testString) {
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$this->assertEquals($testString, $arg);
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return 0;
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}
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);
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$calculator->execute('test("' . $testString . '")'); // single quotes
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$calculator->execute("test('" . $testString . "')"); // double quotes
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}
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public function testBeginWithBracketAndMinus()
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{
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$calculator = new MathExecutor();
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$this->assertEquals(-4, $calculator->execute('(-4)'));
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$this->assertEquals(1, $calculator->execute('(-4 + 5)'));
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}
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public function testStringComparison()
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{
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$calculator = new MathExecutor();
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$this->assertEquals(true, $calculator->execute('"a" == \'a\''));
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$this->assertEquals(true, $calculator->execute('"hello world" == "hello world"'));
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$this->assertEquals(false, $calculator->execute('"hello world" == "hola mundo"'));
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$this->assertEquals(true, $calculator->execute('"hello world" != "hola mundo"'));
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$this->assertEquals(true, $calculator->execute('"a" < "b"'));
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$this->assertEquals(false, $calculator->execute('"a" > "b"'));
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$this->assertEquals(true, $calculator->execute('"a" <= "b"'));
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$this->assertEquals(false, $calculator->execute('"a" >= "b"'));
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$this->assertEquals(true, $calculator->execute('"A" != "a"'));
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}
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public function testVarStringComparison()
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{
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$calculator = new MathExecutor();
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$calculator->setVar('var', 97);
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$this->assertEquals(false, $calculator->execute('97 == "a"'));
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$this->assertEquals(false, $calculator->execute('$var == "a"'));
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$calculator->setVar('var', 'a');
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$this->assertEquals(true, $calculator->execute('$var == "a"'));
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}
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public function testOnVarNotFound()
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{
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$calculator = new MathExecutor();
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$calculator->setVarNotFoundHandler(
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function ($varName) {
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if ($varName == 'undefined') {
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return 3;
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}
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return null;
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}
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);
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$this->assertEquals(15, $calculator->execute('5 * undefined'));
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}
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public function testMinusZero()
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{
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$calculator = new MathExecutor();
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$this->assertEquals(1, $calculator->execute('1 - 0'));
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$this->assertEquals(1, $calculator->execute('1-0'));
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}
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public function testGetFunctionsReturnsArray()
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{
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$calculator = new MathExecutor();
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$this->assertIsArray($calculator->getFunctions());
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}
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public function testGetFunctionsReturnsFunctions()
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{
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$calculator = new MathExecutor();
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$this->assertGreaterThan(40, count($calculator->getFunctions()));
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}
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public function testGetVarsReturnsArray()
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{
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$calculator = new MathExecutor();
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$this->assertIsArray($calculator->getVars());
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}
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public function testGetVarsReturnsCount()
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|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertGreaterThan(1, count($calculator->getVars()));
|
|
}
|
|
|
|
public function testUndefinedVarThrowsExecption()
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->assertGreaterThan(1, count($calculator->getVars()));
|
|
$this->expectException(UnknownVariableException::class);
|
|
$calculator->execute('5 * undefined');
|
|
}
|
|
|
|
public function testSetVarsAcceptsAllScalars()
|
|
{
|
|
$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');
|
|
$this->assertEquals(8, count($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'));
|
|
}
|
|
|
|
public function testSetVarsDoesNotAcceptObject()
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->expectException(MathExecutorException::class);
|
|
$calculator->setVar('object', $this);
|
|
}
|
|
|
|
public function testSetVarsDoesNotAcceptResource()
|
|
{
|
|
$calculator = new MathExecutor();
|
|
$this->expectException(MathExecutorException::class);
|
|
$calculator->setVar('resource', tmpfile());
|
|
}
|
|
|
|
/**
|
|
* @dataProvider providerExpressionValues
|
|
*/
|
|
public function testCalculatingValues($expression, $value)
|
|
{
|
|
$calculator = new MathExecutor();
|
|
|
|
try {
|
|
$result = $calculator->execute($expression);
|
|
} catch (Exception $e) {
|
|
$this->fail(sprintf("Exception: %s (%s:%d), expression was: %s", get_class($e), $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.
|
|
*/
|
|
public function providerExpressionValues()
|
|
{
|
|
return [
|
|
['arccos(0.5)', 1.0471975511966],
|
|
['arccos(0.5)', acos(0.5)],
|
|
['arccosec(4)', 0.2526802551421],
|
|
['arccosec(4)', asin(1/4)],
|
|
['arccot(3)', M_PI/2 - atan(3)],
|
|
['arccotan(4)', 0.2449786631269],
|
|
['arccotan(4)', M_PI/2 - atan(4)],
|
|
['arccsc(4)', 0.2526802551421],
|
|
['arccsc(4)', asin(1/4)],
|
|
['arcctg(3)', M_PI/2 - atan(3)],
|
|
['arcsec(4)', 1.3181160716528],
|
|
['arcsec(4)', acos(1/4)],
|
|
['arcsin(0.5)', 0.5235987755983],
|
|
['arcsin(0.5)', asin(0.5)],
|
|
['arctan(0.5)', atan(0.5)],
|
|
['arctan(4)', 1.3258176636680],
|
|
['arctg(0.5)', atan(0.5)],
|
|
['cosec(12)', 1 / sin(12)],
|
|
['cosec(4)', -1.3213487088109],
|
|
['cosh(12)', cosh(12)],
|
|
['cot(12)', cos(12) / sin(12)],
|
|
['cotan(12)', cos(12) / sin(12)],
|
|
['cotan(4)', 0.8636911544506],
|
|
['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)', 0.3010299956639],
|
|
['lg(2)', log10(2)],
|
|
['ln(2)', 0.6931471805599],
|
|
['ln(2)', log(2)],
|
|
['sec(4)', -1.5298856564664],
|
|
['tg(4)', 1.1578212823496],
|
|
];
|
|
}
|
|
|
|
} |