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<?php |
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|
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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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|
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namespace NXP\Tests; |
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|
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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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|
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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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|
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/** @var float $phpResult */ |
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eval('$phpResult = ' . $expression . ';'); |
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|
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try { |
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$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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/** |
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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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['+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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|
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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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|
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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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|
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['0.1 - 0.2'], |
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['1 - 2'], |
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|
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['0.1 * 2'], |
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['1 * 2'], |
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|
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['0.1 / 0.2'], |
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['1 / 2'], |
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|
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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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|
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['1 + 0.6 - 3 * 2 / 50'], |
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|
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['(5 + 3) * -1'], |
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|
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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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|
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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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|
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['(1 + 2) * 3 / (3 / min(1, 5) / 2 + 1)'], |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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['-(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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|
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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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]; |
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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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|
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if ('' === $expected) |
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{ |
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$expected = $expression; |
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} |
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|
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/** @var float $phpResult */ |
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eval('$phpResult = ' . $expected . ';'); |
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|
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try { |
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$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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/** |
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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 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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|
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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")'], |
| 333 |
['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)'], |
| 352 |
['tanh(1.5)'], |
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|
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['0.1 + 0.2', '0.30'], |
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['0.1 + 0.2 - 0.3', '0.00'], |
| 356 |
['1 + 2'], |
| 357 |
|
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['0.1 - 0.2'], |
| 359 |
['1 - 2'], |
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|
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['0.1 * 2'], |
| 362 |
['1 * 2'], |
| 363 |
|
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['0.1 / 0.2'], |
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['1 / 2'], |
| 366 |
|
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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'], |
| 370 |
['2 / 2 * 3 / 3'], |
| 371 |
['2 / 2 * 3 * 3'], |
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|
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['1 + 0.6 - 3 * 2 / 50'], |
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|
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['(5 + 3) * -1'], |
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|
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['-2- 2*2'], |
| 378 |
['2- 2*2'], |
| 379 |
['2-(2*2)'], |
| 380 |
['(2- 2)*2'], |
| 381 |
['2 + 2*2'], |
| 382 |
['2+ 2*2'], |
| 383 |
['2+2*2'], |
| 384 |
['(2+2)*2'], |
| 385 |
['(2 + 2)*-2'], |
| 386 |
['(2+-2)*2'], |
| 387 |
|
| 388 |
['1 + 2 * 3 / (min(1, 5) + 2 + 1)'], |
| 389 |
['1 + 2 * 3 / (min(1, 5) - 2 + 5)'], |
| 390 |
['1 + 2 * 3 / (min(1, 5) * 2 + 1)'], |
| 391 |
['1 + 2 * 3 / (min(1, 5) / 2 + 1)'], |
| 392 |
['1 + 2 * 3 / (min(1, 5) / 2 * 1)'], |
| 393 |
['1 + 2 * 3 / (min(1, 5) / 2 / 1)'], |
| 394 |
['1 + 2 * 3 / (3 + min(1, 5) + 2 + 1)', '1.85'], |
| 395 |
['1 + 2 * 3 / (3 - min(1, 5) - 2 + 1)'], |
| 396 |
['1 + 2 * 3 / (3 * min(1, 5) * 2 + 1)', '1.85'], |
| 397 |
['1 + 2 * 3 / (3 / min(1, 5) / 2 + 1)'], |
| 398 |
|
| 399 |
['(1 + 2) * 3 / (3 / min(1, 5) / 2 + 1)'], |
| 400 |
|
| 401 |
['sin(10) * cos(50) / min(10, 20/2)', '-0.05'], |
| 402 |
['sin(10) * cos(50) / min(10, (20/2))', '-0.05'], |
| 403 |
['sin(10) * cos(50) / min(10, (max(10,20)/2))', '-0.05'], |
| 404 |
|
| 405 |
['1 + "2" / 3', '1.66'], |
| 406 |
["1.5 + '2.5' / 4", '2.12'], |
| 407 |
['1.5 + "2.5" * ".5"'], |
| 408 |
|
| 409 |
['-1 + -2'], |
| 410 |
['-1+-2'], |
| 411 |
['-1- -2'], |
| 412 |
['-1/-2'], |
| 413 |
['-1*-2'], |
| 414 |
|
| 415 |
['(1+2+3+4-5)*7/100'], |
| 416 |
['(-1+2+3+4- 5)*7/100'], |
| 417 |
['(1+2+3+4- 5)*7/100'], |
| 418 |
['( 1 + 2 + 3 + 4 - 5 ) * 7 / 100'], |
| 419 |
|
| 420 |
['1 && 0'], |
| 421 |
['1 && 0 && 1'], |
| 422 |
['1 || 0'], |
| 423 |
['1 && 0 || 1'], |
| 424 |
|
| 425 |
['5 == 3'], |
| 426 |
['5 == 5'], |
| 427 |
['5 != 3'], |
| 428 |
['5 != 5'], |
| 429 |
['5 > 3'], |
| 430 |
['3 > 5'], |
| 431 |
['3 >= 5'], |
| 432 |
['3 >= 3'], |
| 433 |
['3 < 5'], |
| 434 |
['5 < 3'], |
| 435 |
['3 <= 5'], |
| 436 |
['5 <= 5'], |
| 437 |
['10 < 9 || 4 > (2+1)'], |
| 438 |
['10 < 9 || 4 > (-2+1)'], |
| 439 |
['10 < 9 || 4 > (2+1) && 5 == 5 || 4 != 6 || 3 >= 4 || 3 <= 7'], |
| 440 |
|
| 441 |
['1 + 5 == 3 + 1'], |
| 442 |
['1 + 5 == 5 + 1'], |
| 443 |
['1 + 5 != 3 + 1'], |
| 444 |
['1 + 5 != 5 + 1'], |
| 445 |
['1 + 5 > 3 + 1'], |
| 446 |
['1 + 3 > 5 + 1'], |
| 447 |
['1 + 3 >= 5 + 1'], |
| 448 |
['1 + 3 >= 3 + 1'], |
| 449 |
['1 + 3 < 5 + 1'], |
| 450 |
['1 + 5 < 3 + 1'], |
| 451 |
['1 + 3 <= 5 + 1'], |
| 452 |
['1 + 5 <= 5 + 1'], |
| 453 |
|
| 454 |
['(-4)'], |
| 455 |
['(-4 + 5)'], |
| 456 |
['(3 * 1)'], |
| 457 |
['(-3 * -1)'], |
| 458 |
['1 + (-3 * -1)'], |
| 459 |
['1 + ( -3 * 1)'], |
| 460 |
['1 + (3 *-1)'], |
| 461 |
['1 - 0'], |
| 462 |
['1-0'], |
| 463 |
|
| 464 |
['-(1.5)'], |
| 465 |
['-log(4)', '-1.38'], |
| 466 |
['0-acosh(1.5)', '-0.96'], |
| 467 |
['-acosh(1.5)', '-0.96'], |
| 468 |
['-(-4)'], |
| 469 |
['-(-4 + 5)'], |
| 470 |
['-(3 * 1)'], |
| 471 |
['-(-3 * -1)'], |
| 472 |
['-1 + (-3 * -1)'], |
| 473 |
['-1 + ( -3 * 1)'], |
| 474 |
['-1 + (3 *-1)'], |
| 475 |
['-1 - 0'], |
| 476 |
['-1-0'], |
| 477 |
['-(4*2)-5'], |
| 478 |
['-(4*-2)-5'], |
| 479 |
['-(-4*2) - 5'], |
| 480 |
['-4*-5'], |
| 481 |
['max(1,2,4.9,3)'], |
| 482 |
['min(1,2,4.9,3)'], |
| 483 |
['max([1,2,4.9,3])'], |
| 484 |
['min([1,2,4.9,3])'], |
| 485 |
|
| 486 |
['4 % 4'], |
| 487 |
['7 % 4'], |
| 488 |
['99 % 4'], |
| 489 |
['123 % 7'], |
| 490 |
]; |
| 491 |
} |
| 492 |
|
| 493 |
/** |
| 494 |
* @dataProvider incorrectExpressions |
| 495 |
*/ |
| 496 |
public function testIncorrectExpressionException(string $expression) : void |
| 497 |
{ |
| 498 |
$calculator = new MathExecutor(); |
| 499 |
$calculator->setVars(['a' => 12, 'b' => 24]); |
| 500 |
$this->expectException(IncorrectExpressionException::class); |
| 501 |
$calculator->execute($expression); |
| 502 |
} |
| 503 |
|
| 504 |
/** |
| 505 |
* Incorrect Expressions data provider |
| 506 |
* |
| 507 |
* These expressions should not pass validation |
| 508 |
*/ |
| 509 |
public function incorrectExpressions() |
| 510 |
{ |
| 511 |
return [ |
| 512 |
['1 * + '], |
| 513 |
[' 2 3'], |
| 514 |
['2 3 '], |
| 515 |
[' 2 4 3 '], |
| 516 |
['$a $b'], |
| 517 |
['$a [3, 4, 5]'], |
| 518 |
['$a (3 + 4)'], |
| 519 |
['$a "string"'], |
| 520 |
['5 "string"'], |
| 521 |
['"string" $a'], |
| 522 |
['$a round(12.345)'], |
| 523 |
['round(12.345) $a'], |
| 524 |
['4 round(12.345)'], |
| 525 |
['round(12.345) 4'], |
| 526 |
]; |
| 527 |
} |
| 528 |
|
| 529 |
public function testUnknownFunctionException() : void |
| 530 |
{ |
| 531 |
$calculator = new MathExecutor(); |
| 532 |
$this->expectException(UnknownFunctionException::class); |
| 533 |
$calculator->execute('1 * fred("wilma") + 3'); |
| 534 |
} |
| 535 |
|
| 536 |
public function testZeroDivision() : void |
| 537 |
{ |
| 538 |
$calculator = new MathExecutor(); |
| 539 |
$calculator->setDivisionByZeroIsZero(); |
| 540 |
$this->assertEquals(0, $calculator->execute('10 / 0')); |
| 541 |
} |
| 542 |
|
| 543 |
public function testUnaryOperators() : void |
| 544 |
{ |
| 545 |
$calculator = new MathExecutor(); |
| 546 |
$this->assertEquals(5, $calculator->execute('+5')); |
| 547 |
$this->assertEquals(5, $calculator->execute('+(3+2)')); |
| 548 |
$this->assertEquals(-5, $calculator->execute('-5')); |
| 549 |
$this->assertEquals(5, $calculator->execute('-(-5)')); |
| 550 |
$this->assertEquals(-5, $calculator->execute('+(-5)')); |
| 551 |
$this->assertEquals(-5, $calculator->execute('-(3+2)')); |
| 552 |
} |
| 553 |
|
| 554 |
public function testZeroDivisionException() : void |
| 555 |
{ |
| 556 |
$calculator = new MathExecutor(); |
| 557 |
$this->expectException(DivisionByZeroException::class); |
| 558 |
$calculator->execute('10 / 0'); |
| 559 |
$calculator->setVar('one', 1)->setVar('zero', 0); |
| 560 |
$this->assertEquals(0.0, $calculator->execute('$one / $zero')); |
| 561 |
} |
| 562 |
|
| 563 |
public function testVariableIncorrectExpressionException() : void |
| 564 |
{ |
| 565 |
$calculator = new MathExecutor(); |
| 566 |
$calculator->setVar('four', 4); |
| 567 |
$this->assertEquals(4, $calculator->execute('$four')); |
| 568 |
$this->expectException(IncorrectExpressionException::class); |
| 569 |
$this->assertEquals(0.0, $calculator->execute('$')); |
| 570 |
$this->assertEquals(0.0, $calculator->execute('$ + $four')); |
| 571 |
} |
| 572 |
|
| 573 |
public function testExponentiation() : void |
| 574 |
{ |
| 575 |
$calculator = new MathExecutor(); |
| 576 |
$this->assertEquals(100, $calculator->execute('10 ^ 2')); |
| 577 |
} |
| 578 |
|
| 579 |
public function testStringEscape() : void |
| 580 |
{ |
| 581 |
$calculator = new MathExecutor(); |
| 582 |
$this->assertEquals("test\string", $calculator->execute('"test\string"')); |
| 583 |
$this->assertEquals("\\test\string\\", $calculator->execute('"\test\string\\\\"')); |
| 584 |
$this->assertEquals('\test\string\\', $calculator->execute('"\test\string\\\\"')); |
| 585 |
$this->assertEquals('test\\\\string', $calculator->execute('"test\\\\\\\\string"')); |
| 586 |
$this->assertEquals('test"string', $calculator->execute('"test\"string"')); |
| 587 |
$this->assertEquals('test""string', $calculator->execute('"test\"\"string"')); |
| 588 |
$this->assertEquals('"teststring', $calculator->execute('"\"teststring"')); |
| 589 |
$this->assertEquals('teststring"', $calculator->execute('"teststring\""')); |
| 590 |
$this->assertEquals("test'string", $calculator->execute("'test\'string'")); |
| 591 |
$this->assertEquals("test''string", $calculator->execute("'test\'\'string'")); |
| 592 |
$this->assertEquals("'teststring", $calculator->execute("'\'teststring'")); |
| 593 |
$this->assertEquals("teststring'", $calculator->execute("'teststring\''")); |
| 594 |
|
| 595 |
$calculator->addFunction('concat', static function($arg1, $arg2) { |
| 596 |
return $arg1 . $arg2; |
| 597 |
}); |
| 598 |
$this->assertEquals('test"ing', $calculator->execute('concat("test\"","ing")')); |
| 599 |
$this->assertEquals("test'ing", $calculator->execute("concat('test\'','ing')")); |
| 600 |
} |
| 601 |
|
| 602 |
public function testArrays() : void |
| 603 |
{ |
| 604 |
$calculator = new MathExecutor(); |
| 605 |
$this->assertEquals([1, 5, 2], $calculator->execute('array(1, 5, 2)')); |
| 606 |
$this->assertEquals([1, 5, 2], $calculator->execute('[1, 5, 2]')); |
| 607 |
$this->assertEquals(\max([1, 5, 2]), $calculator->execute('max([1, 5, 2])')); |
| 608 |
$this->assertEquals(\max([1, 5, 2]), $calculator->execute('max(array(1, 5, 2))')); |
| 609 |
$calculator->addFunction('arr_with_max_elements', static function($arg1, ...$args) { |
| 610 |
$args = \is_array($arg1) ? $arg1 : [$arg1, ...$args]; |
| 611 |
\usort($args, static fn ($arr1, $arr2) => \count($arr2) <=> \count($arr1)); |
| 612 |
|
| 613 |
return $args[0]; |
| 614 |
}); |
| 615 |
$this->assertEquals([3, 3, 3], $calculator->execute('arr_with_max_elements([[1],array(2,2),[3,3,3]])')); |
| 616 |
} |
| 617 |
|
| 618 |
public function testFunctionParameterOrder() : void |
| 619 |
{ |
| 620 |
$calculator = new MathExecutor(); |
| 621 |
|
| 622 |
$calculator->addFunction('concat', static function($arg1, $arg2) { |
| 623 |
return $arg1 . $arg2; |
| 624 |
}); |
| 625 |
$this->assertEquals('testing', $calculator->execute('concat("test","ing")')); |
| 626 |
$this->assertEquals('testing', $calculator->execute("concat('test','ing')")); |
| 627 |
} |
| 628 |
|
| 629 |
public function testFunction() : void |
| 630 |
{ |
| 631 |
$calculator = new MathExecutor(); |
| 632 |
$calculator->addFunction('round', static function($arg) { |
| 633 |
return \round($arg); |
| 634 |
}); |
| 635 |
$this->assertEquals(\round(100 / 30), $calculator->execute('round(100/30)')); |
| 636 |
} |
| 637 |
|
| 638 |
public function testFunctionUnlimitedParameters() : void |
| 639 |
{ |
| 640 |
$calculator = new MathExecutor(); |
| 641 |
$calculator->addFunction('give_me_an_array', static function() { |
| 642 |
return [5, 3, 7, 9, 8]; |
| 643 |
}); |
| 644 |
$this->assertEquals(6.4, $calculator->execute('avg(give_me_an_array())')); |
| 645 |
$this->assertEquals(10, $calculator->execute('avg(12,8,15,5)')); |
| 646 |
$this->assertEquals(3, $calculator->execute('min(give_me_an_array())')); |
| 647 |
$this->assertEquals(1, $calculator->execute('min(1,2,3)')); |
| 648 |
$this->assertEquals(9, $calculator->execute('max(give_me_an_array())')); |
| 649 |
$this->assertEquals(3, $calculator->execute('max(1,2,3)')); |
| 650 |
$calculator->setVar('monthly_salaries', [100, 200, 300]); |
| 651 |
$this->assertEquals([100, 200, 300], $calculator->execute('$monthly_salaries')); |
| 652 |
$this->assertEquals(200, $calculator->execute('avg($monthly_salaries)')); |
| 653 |
$this->assertEquals(\min([100, 200, 300]), $calculator->execute('min($monthly_salaries)')); |
| 654 |
$this->assertEquals(\max([100, 200, 300]), $calculator->execute('max($monthly_salaries)')); |
| 655 |
} |
| 656 |
|
| 657 |
public function testFunctionOptionalParameters() : void |
| 658 |
{ |
| 659 |
$calculator = new MathExecutor(); |
| 660 |
$calculator->addFunction('round', static function($num, $precision = 0) { |
| 661 |
return \round($num, $precision); |
| 662 |
}); |
| 663 |
$this->assertEquals(\round(11.176), $calculator->execute('round(11.176)')); |
| 664 |
$this->assertEquals(\round(11.176, 2), $calculator->execute('round(11.176,2)')); |
| 665 |
} |
| 666 |
|
| 667 |
public function testFunctionIncorrectNumberOfParameters() : void |
| 668 |
{ |
| 669 |
$calculator = new MathExecutor(); |
| 670 |
$this->expectException(IncorrectNumberOfFunctionParametersException::class); |
| 671 |
$calculator->addFunction('myfunc', static function($arg1, $arg2) { |
| 672 |
return $arg1 + $arg2; |
| 673 |
}); |
| 674 |
$calculator->execute('myfunc(1)'); |
| 675 |
} |
| 676 |
|
| 677 |
public function testFunctionIncorrectNumberOfParametersTooMany() : void |
| 678 |
{ |
| 679 |
$calculator = new MathExecutor(); |
| 680 |
$this->expectException(IncorrectNumberOfFunctionParametersException::class); |
| 681 |
$calculator->addFunction('myfunc', static function($arg1, $arg2) { |
| 682 |
return $arg1 + $arg2; |
| 683 |
}); |
| 684 |
$calculator->execute('myfunc(1,2,3)'); |
| 685 |
} |
| 686 |
|
| 687 |
public function testFunctionIf() : void |
| 688 |
{ |
| 689 |
$calculator = new MathExecutor(); |
| 690 |
$this->assertEquals( |
| 691 |
30, |
| 692 |
$calculator->execute( |
| 693 |
'if(100 > 99, 30, 0)' |
| 694 |
), |
| 695 |
'Expression failed: if(100 > 99, 30, 0)' |
| 696 |
); |
| 697 |
$this->assertEquals( |
| 698 |
0, |
| 699 |
$calculator->execute( |
| 700 |
'if(100 < 99, 30, 0)' |
| 701 |
), |
| 702 |
'Expression failed: if(100 < 99, 30, 0)' |
| 703 |
); |
| 704 |
$this->assertEquals( |
| 705 |
30, |
| 706 |
$calculator->execute( |
| 707 |
'if(98 < 99 && sin(1) < 1, 30, 0)' |
| 708 |
), |
| 709 |
'Expression failed: if(98 < 99 && sin(1) < 1, 30, 0)' |
| 710 |
); |
| 711 |
$this->assertEquals( |
| 712 |
40, |
| 713 |
$calculator->execute( |
| 714 |
'if(98 < 99 && sin(1) < 1, max(30, 40), 0)' |
| 715 |
), |
| 716 |
'Expression failed: if(98 < 99 && sin(1) < 1, max(30, 40), 0)' |
| 717 |
); |
| 718 |
$this->assertEquals( |
| 719 |
40, |
| 720 |
$calculator->execute( |
| 721 |
'if(98 < 99 && sin(1) < 1, if(10 > 5, max(30, 40), 1), 0)' |
| 722 |
), |
| 723 |
'Expression failed: if(98 < 99 && sin(1) < 1, if(10 > 5, max(30, 40), 1), 0)' |
| 724 |
); |
| 725 |
$this->assertEquals( |
| 726 |
20, |
| 727 |
$calculator->execute( |
| 728 |
'if(98 < 99 && sin(1) > 1, if(10 > 5, max(30, 40), 1), if(4 <= 4, 20, 21))' |
| 729 |
), |
| 730 |
'Expression failed: if(98 < 99 && sin(1) > 1, if(10 > 5, max(30, 40), 1), if(4 <= 4, 20, 21))' |
| 731 |
); |
| 732 |
$this->assertEquals( |
| 733 |
\cos(2), |
| 734 |
$calculator->execute( |
| 735 |
'if(98 < 99 && sin(1) >= 1, max(30, 40), cos(2))' |
| 736 |
), |
| 737 |
'Expression failed: if(98 < 99 && sin(1) >= 1, max(30, 40), cos(2))' |
| 738 |
); |
| 739 |
$this->assertEquals( |
| 740 |
\cos(2), |
| 741 |
$calculator->execute( |
| 742 |
'if(cos(2), cos(2), 0)' |
| 743 |
), |
| 744 |
'Expression failed: if(cos(2), cos(2), 0)' |
| 745 |
); |
| 746 |
$trx_amount = 100000; |
| 747 |
$calculator->setVar('trx_amount', $trx_amount); |
| 748 |
$this->assertEquals($trx_amount, $calculator->execute('$trx_amount')); |
| 749 |
$this->assertEquals( |
| 750 |
$trx_amount * 0.03, |
| 751 |
$calculator->execute( |
| 752 |
'if($trx_amount < 40000, $trx_amount * 0.06, $trx_amount * 0.03)' |
| 753 |
), |
| 754 |
'Expression failed: if($trx_amount < 40000, $trx_amount * 0.06, $trx_amount * 0.03)' |
| 755 |
); |
| 756 |
$this->assertEquals( |
| 757 |
$trx_amount * 0.03, |
| 758 |
$calculator->execute( |
| 759 |
'if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))' |
| 760 |
), |
| 761 |
'Expression failed: if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))' |
| 762 |
); |
| 763 |
$trx_amount = 39000; |
| 764 |
$calculator->setVar('trx_amount', $trx_amount); |
| 765 |
$this->assertEquals( |
| 766 |
$trx_amount * 0.06, |
| 767 |
$calculator->execute( |
| 768 |
'if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))' |
| 769 |
), |
| 770 |
'Expression failed: if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))' |
| 771 |
); |
| 772 |
$trx_amount = 59000; |
| 773 |
$calculator->setVar('trx_amount', $trx_amount); |
| 774 |
$this->assertEquals( |
| 775 |
$trx_amount * 0.05, |
| 776 |
$calculator->execute( |
| 777 |
'if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))' |
| 778 |
), |
| 779 |
'Expression failed: if($trx_amount < 40000, $trx_amount * 0.06, if($trx_amount < 60000, $trx_amount * 0.05, $trx_amount * 0.03))' |
| 780 |
); |
| 781 |
$this->expectException(IncorrectNumberOfFunctionParametersException::class); |
| 782 |
$this->assertEquals( |
| 783 |
0.0, |
| 784 |
$calculator->execute( |
| 785 |
'if($trx_amount < 40000, $trx_amount * 0.06)' |
| 786 |
), |
| 787 |
'Expression failed: if($trx_amount < 40000, $trx_amount * 0.06)' |
| 788 |
); |
| 789 |
} |
| 790 |
|
| 791 |
public function testVariables() : void |
| 792 |
{ |
| 793 |
$calculator = new MathExecutor(); |
| 794 |
$this->assertEquals(3.14159265359, $calculator->execute('$pi')); |
| 795 |
$this->assertEquals(3.14159265359, $calculator->execute('pi')); |
| 796 |
$this->assertEquals(2.71828182846, $calculator->execute('$e')); |
| 797 |
$this->assertEquals(2.71828182846, $calculator->execute('e')); |
| 798 |
$calculator->setVars([ |
| 799 |
'trx_amount' => 100000.01, |
| 800 |
'ten' => 10, |
| 801 |
'nine' => 9, |
| 802 |
'eight' => 8, |
| 803 |
'seven' => 7, |
| 804 |
'six' => 6, |
| 805 |
'five' => 5, |
| 806 |
'four' => 4, |
| 807 |
'three' => 3, |
| 808 |
'two' => 2, |
| 809 |
'one' => 1, |
| 810 |
'zero' => 0, |
| 811 |
]); |
| 812 |
$this->assertEquals(100000.01, $calculator->execute('$trx_amount')); |
| 813 |
$this->assertEquals(10 - 9, $calculator->execute('$ten - $nine')); |
| 814 |
$this->assertEquals(9 - 10, $calculator->execute('$nine - $ten')); |
| 815 |
$this->assertEquals(10 + 9, $calculator->execute('$ten + $nine')); |
| 816 |
$this->assertEquals(10 * 9, $calculator->execute('$ten * $nine')); |
| 817 |
$this->assertEquals(10 / 9, $calculator->execute('$ten / $nine')); |
| 818 |
$this->assertEquals(10 / (9 / 5), $calculator->execute('$ten / ($nine / $five)')); |
| 819 |
|
| 820 |
// test variables without leading $ |
| 821 |
$this->assertEquals(100000.01, $calculator->execute('trx_amount')); |
| 822 |
$this->assertEquals(10 - 9, $calculator->execute('ten - nine')); |
| 823 |
$this->assertEquals(9 - 10, $calculator->execute('nine - ten')); |
| 824 |
$this->assertEquals(10 + 9, $calculator->execute('ten + nine')); |
| 825 |
$this->assertEquals(10 * 9, $calculator->execute('ten * nine')); |
| 826 |
$this->assertEquals(10 / 9, $calculator->execute('ten / nine')); |
| 827 |
$this->assertEquals(10 / (9 / 5), $calculator->execute('ten / (nine / five)')); |
| 828 |
} |
| 829 |
|
| 830 |
public function testEvaluateFunctionParameters() : void |
| 831 |
{ |
| 832 |
$calculator = new MathExecutor(); |
| 833 |
$calculator->addFunction( |
| 834 |
'round', |
| 835 |
static function($value, $decimals) { |
| 836 |
return \round($value, $decimals); |
| 837 |
} |
| 838 |
); |
| 839 |
$expression = 'round(100 * 1.111111, 2)'; |
| 840 |
$phpResult = 0; |
| 841 |
eval('$phpResult = ' . $expression . ';'); |
| 842 |
$this->assertEquals($phpResult, $calculator->execute($expression)); |
| 843 |
$expression = 'round((100*0.04)+(((100*1.02)+0.5)*1.28),2)'; |
| 844 |
eval('$phpResult = ' . $expression . ';'); |
| 845 |
$this->assertEquals($phpResult, $calculator->execute($expression)); |
| 846 |
} |
| 847 |
|
| 848 |
public function testFunctionsWithQuotes() : void |
| 849 |
{ |
| 850 |
$calculator = new MathExecutor(); |
| 851 |
$calculator->addFunction('concat', static function($first, $second) { |
| 852 |
return $first . $second; |
| 853 |
}); |
| 854 |
$this->assertEquals('testing', $calculator->execute('concat("test", "ing")')); |
| 855 |
$this->assertEquals('testing', $calculator->execute("concat('test', 'ing')")); |
| 856 |
} |
| 857 |
|
| 858 |
public function testQuotes() : void |
| 859 |
{ |
| 860 |
$calculator = new MathExecutor(); |
| 861 |
$testString = 'some, long. arg; with: different-separators!'; |
| 862 |
$calculator->addFunction( |
| 863 |
'test', |
| 864 |
function($arg) use ($testString) { |
| 865 |
$this->assertEquals($testString, $arg); |
| 866 |
|
| 867 |
return 0; |
| 868 |
} |
| 869 |
); |
| 870 |
$calculator->execute('test("' . $testString . '")'); // single quotes |
| 871 |
$calculator->execute("test('" . $testString . "')"); // double quotes |
| 872 |
} |
| 873 |
|
| 874 |
public function testBeginWithBracketAndMinus() : void |
| 875 |
{ |
| 876 |
$calculator = new MathExecutor(); |
| 877 |
$this->assertEquals(-4, $calculator->execute('(-4)')); |
| 878 |
$this->assertEquals(1, $calculator->execute('(-4 + 5)')); |
| 879 |
} |
| 880 |
|
| 881 |
public function testStringComparison() : void |
| 882 |
{ |
| 883 |
$calculator = new MathExecutor(); |
| 884 |
$this->assertEquals(true, $calculator->execute('"a" == \'a\'')); |
| 885 |
$this->assertEquals(true, $calculator->execute('"hello world" == "hello world"')); |
| 886 |
$this->assertEquals(false, $calculator->execute('"hello world" == "hola mundo"')); |
| 887 |
$this->assertEquals(true, $calculator->execute('"hello world" != "hola mundo"')); |
| 888 |
$this->assertEquals(true, $calculator->execute('"a" < "b"')); |
| 889 |
$this->assertEquals(false, $calculator->execute('"a" > "b"')); |
| 890 |
$this->assertEquals(true, $calculator->execute('"a" <= "b"')); |
| 891 |
$this->assertEquals(false, $calculator->execute('"a" >= "b"')); |
| 892 |
$this->assertEquals(true, $calculator->execute('"A" != "a"')); |
| 893 |
} |
| 894 |
|
| 895 |
public function testVarStringComparison() : void |
| 896 |
{ |
| 897 |
$calculator = new MathExecutor(); |
| 898 |
$calculator->setVar('var', 97); |
| 899 |
$this->assertEquals(false, $calculator->execute('97 == "a"')); |
| 900 |
$this->assertEquals(false, $calculator->execute('$var == "a"')); |
| 901 |
$calculator->setVar('var', 'a'); |
| 902 |
$this->assertEquals(true, $calculator->execute('$var == "a"')); |
| 903 |
} |
| 904 |
|
| 905 |
public function testOnVarNotFound() : void |
| 906 |
{ |
| 907 |
$calculator = new MathExecutor(); |
| 908 |
$calculator->setVarNotFoundHandler( |
| 909 |
static function($varName) { |
| 910 |
if ('undefined' == $varName) { |
| 911 |
return 3; |
| 912 |
} |
| 913 |
} |
| 914 |
); |
| 915 |
$this->assertEquals(15, $calculator->execute('5 * undefined')); |
| 916 |
$this->assertEquals(3, $calculator->getVar('undefined')); |
| 917 |
$this->assertNull($calculator->getVar('Lucy')); |
| 918 |
} |
| 919 |
|
| 920 |
public function testGetVarException() : void |
| 921 |
{ |
| 922 |
$calculator = new MathExecutor(); |
| 923 |
$this->expectException(UnknownVariableException::class); |
| 924 |
$this->assertNull($calculator->getVar('Lucy')); |
| 925 |
} |
| 926 |
|
| 927 |
public function testMinusZero() : void |
| 928 |
{ |
| 929 |
$calculator = new MathExecutor(); |
| 930 |
$this->assertEquals(1, $calculator->execute('1 - 0')); |
| 931 |
$this->assertEquals(1, $calculator->execute('1-0')); |
| 932 |
} |
| 933 |
|
| 934 |
public function testScientificNotation() : void |
| 935 |
{ |
| 936 |
$calculator = new MathExecutor(); |
| 937 |
$this->assertEquals(1.5e9, $calculator->execute('1.5e9')); |
| 938 |
$this->assertEquals(1.5e-9, $calculator->execute('1.5e-9')); |
| 939 |
$this->assertEquals(1.5e+9, $calculator->execute('1.5e+9')); |
| 940 |
} |
| 941 |
|
| 942 |
public function testNullReturnType() : void |
| 943 |
{ |
| 944 |
$calculator = new MathExecutor(); |
| 945 |
$calculator->setVar('nullValue', null); |
| 946 |
$this->assertEquals(null, $calculator->execute('nullValue')); |
| 947 |
} |
| 948 |
|
| 949 |
public function testGetFunctionsReturnsArray() : void |
| 950 |
{ |
| 951 |
$calculator = new MathExecutor(); |
| 952 |
$this->assertIsArray($calculator->getFunctions()); |
| 953 |
} |
| 954 |
|
| 955 |
public function testGetFunctionsReturnsFunctions() : void |
| 956 |
{ |
| 957 |
$calculator = new MathExecutor(); |
| 958 |
$this->assertGreaterThan(40, \count($calculator->getFunctions())); |
| 959 |
} |
| 960 |
|
| 961 |
public function testGetVarsReturnsArray() : void |
| 962 |
{ |
| 963 |
$calculator = new MathExecutor(); |
| 964 |
$this->assertIsArray($calculator->getVars()); |
| 965 |
} |
| 966 |
|
| 967 |
public function testGetVarsReturnsCount() : void |
| 968 |
{ |
| 969 |
$calculator = new MathExecutor(); |
| 970 |
$this->assertGreaterThan(1, \count($calculator->getVars())); |
| 971 |
} |
| 972 |
|
| 973 |
public function testUndefinedVarThrowsExecption() : void |
| 974 |
{ |
| 975 |
$calculator = new MathExecutor(); |
| 976 |
$this->assertGreaterThan(1, \count($calculator->getVars())); |
| 977 |
$this->expectException(UnknownVariableException::class); |
| 978 |
$calculator->execute('5 * undefined'); |
| 979 |
} |
| 980 |
|
| 981 |
public function testSetVarsAcceptsAllScalars() : void |
| 982 |
{ |
| 983 |
$calculator = new MathExecutor(); |
| 984 |
$calculator->setVar('boolTrue', true); |
| 985 |
$calculator->setVar('boolFalse', false); |
| 986 |
$calculator->setVar('int', 1); |
| 987 |
$calculator->setVar('null', null); |
| 988 |
$calculator->setVar('float', 1.1); |
| 989 |
$calculator->setVar('string', 'string'); |
| 990 |
$this->assertCount(8, $calculator->getVars()); |
| 991 |
$this->assertEquals(true, $calculator->getVar('boolTrue')); |
| 992 |
$this->assertEquals(false, $calculator->getVar('boolFalse')); |
| 993 |
$this->assertEquals(1, $calculator->getVar('int')); |
| 994 |
$this->assertEquals(null, $calculator->getVar('null')); |
| 995 |
$this->assertEquals(1.1, $calculator->getVar('float')); |
| 996 |
$this->assertEquals('string', $calculator->getVar('string')); |
| 997 |
|
| 998 |
$this->expectException(MathExecutorException::class); |
| 999 |
$calculator->setVar('validVar', new \DateTime()); |
| 1000 |
} |
| 1001 |
|
| 1002 |
public function testSetVarsDoesNotAcceptObject() : void |
| 1003 |
{ |
| 1004 |
$calculator = new MathExecutor(); |
| 1005 |
$this->expectException(MathExecutorException::class); |
| 1006 |
$calculator->setVar('object', $this); |
| 1007 |
} |
| 1008 |
|
| 1009 |
public function testSetVarsDoesNotAcceptResource() : void |
| 1010 |
{ |
| 1011 |
$calculator = new MathExecutor(); |
| 1012 |
$this->expectException(MathExecutorException::class); |
| 1013 |
$calculator->setVar('resource', \tmpfile()); |
| 1014 |
} |
| 1015 |
|
| 1016 |
public function testSetCustomVarValidator() : void |
| 1017 |
{ |
| 1018 |
$calculator = new MathExecutor(); |
| 1019 |
$calculator->setVarValidationHandler(static function(string $name, $variable) : void { |
| 1020 |
// allow all scalars and null |
| 1021 |
if (\is_scalar($variable) || null === $variable) { |
| 1022 |
return; |
| 1023 |
} |
| 1024 |
// Allow variables of type DateTime, but not others |
| 1025 |
if (! $variable instanceof \DateTime) { |
| 1026 |
throw new MathExecutorException('Invalid variable type'); |
| 1027 |
} |
| 1028 |
}); |
| 1029 |
|
| 1030 |
$calculator->setVar('validFloat', 0.0); |
| 1031 |
$calculator->setVar('validInt', 0); |
| 1032 |
$calculator->setVar('validTrue', true); |
| 1033 |
$calculator->setVar('validFalse', false); |
| 1034 |
$calculator->setVar('validString', 'string'); |
| 1035 |
$calculator->setVar('validNull', null); |
| 1036 |
$calculator->setVar('validDateTime', new \DateTime()); |
| 1037 |
|
| 1038 |
$this->expectException(MathExecutorException::class); |
| 1039 |
$calculator->setVar('validVar', $this); |
| 1040 |
} |
| 1041 |
|
| 1042 |
public function testSetCustomVarNameValidator() : void |
| 1043 |
{ |
| 1044 |
$calculator = new MathExecutor(); |
| 1045 |
$calculator->setVarValidationHandler(static function(string $name, $variable) : void { |
| 1046 |
// don't allow variable names with the word invalid in them |
| 1047 |
if (\str_contains($name, 'invalid')) { |
| 1048 |
throw new MathExecutorException('Invalid variable name'); |
| 1049 |
} |
| 1050 |
}); |
| 1051 |
|
| 1052 |
$calculator->setVar('validFloat', 0.0); |
| 1053 |
$calculator->setVar('validInt', 0); |
| 1054 |
$calculator->setVar('validTrue', true); |
| 1055 |
$calculator->setVar('validFalse', false); |
| 1056 |
$calculator->setVar('validString', 'string'); |
| 1057 |
$calculator->setVar('validNull', null); |
| 1058 |
$calculator->setVar('validDateTime', new \DateTime()); |
| 1059 |
|
| 1060 |
$this->expectException(MathExecutorException::class); |
| 1061 |
$calculator->setVar('invalidVar', 12); |
| 1062 |
} |
| 1063 |
|
| 1064 |
public function testVarExists() : void |
| 1065 |
{ |
| 1066 |
$calculator = new MathExecutor(); |
| 1067 |
$varName = 'Eythel'; |
| 1068 |
$calculator->setVar($varName, 1); |
| 1069 |
$this->assertTrue($calculator->varExists($varName)); |
| 1070 |
$this->assertFalse($calculator->varExists('Lucy')); |
| 1071 |
} |
| 1072 |
|
| 1073 |
/** |
| 1074 |
* @dataProvider providerExpressionValues |
| 1075 |
*/ |
| 1076 |
public function testCalculatingValues($expression, $value) : void |
| 1077 |
{ |
| 1078 |
$calculator = new MathExecutor(); |
| 1079 |
|
| 1080 |
try { |
| 1081 |
$result = $calculator->execute($expression); |
| 1082 |
} catch (Exception $e) { |
| 1083 |
$this->fail(\sprintf('Exception: %s (%s:%d), expression was: %s', \get_class($e), $e->getFile(), $e->getLine(), $expression)); |
| 1084 |
} |
| 1085 |
$this->assertEquals($value, $result, "{$expression} did not evaluate to {$value}"); |
| 1086 |
} |
| 1087 |
|
| 1088 |
/** |
| 1089 |
* Expressions data provider |
| 1090 |
* |
| 1091 |
* Most tests can go in here. The idea is that each expression will be evaluated by MathExecutor and by PHP directly. |
| 1092 |
* The results should be the same. If they are not, then the test fails. No need to add extra test unless you are doing |
| 1093 |
* something more complex and not a simple mathmatical expression. |
| 1094 |
*/ |
| 1095 |
public function providerExpressionValues() |
| 1096 |
{ |
| 1097 |
return [ |
| 1098 |
['arccos(0.5)', \acos(0.5)], |
| 1099 |
['arccosec(4)', \asin(1 / 4)], |
| 1100 |
['arccot(3)', M_PI / 2 - \atan(3)], |
| 1101 |
['arccotan(4)', M_PI / 2 - \atan(4)], |
| 1102 |
['arccsc(4)', \asin(1 / 4)], |
| 1103 |
['arcctg(3)', M_PI / 2 - \atan(3)], |
| 1104 |
['arcsec(4)', \acos(1 / 4)], |
| 1105 |
['arcsin(0.5)', \asin(0.5)], |
| 1106 |
['arctan(0.5)', \atan(0.5)], |
| 1107 |
['arctan(4)', \atan(4)], |
| 1108 |
['arctg(0.5)', \atan(0.5)], |
| 1109 |
['cosec(12)', 1 / \sin(12)], |
| 1110 |
['cosec(4)', 1 / \sin(4)], |
| 1111 |
['cosh(12)', \cosh(12)], |
| 1112 |
['cot(12)', \cos(12) / \sin(12)], |
| 1113 |
['cotan(12)', \cos(12) / \sin(12)], |
| 1114 |
['cotan(4)', \cos(4) / \sin(4)], |
| 1115 |
['cotg(3)', \cos(3) / \sin(3)], |
| 1116 |
['csc(4)', 1 / \sin(4)], |
| 1117 |
['ctg(4)', \cos(4) / \sin(4)], |
| 1118 |
['ctn(4)', \cos(4) / \sin(4)], |
| 1119 |
['decbin(10)', \decbin(10)], |
| 1120 |
['lg(2)', \log10(2)], |
| 1121 |
['ln(2)', \log(2)], |
| 1122 |
['sec(4)', 1 / \cos(4)], |
| 1123 |
['tg(4)', \tan(4)], |
| 1124 |
]; |
| 1125 |
} |
| 1126 |
|
| 1127 |
public function testCache() : void |
| 1128 |
{ |
| 1129 |
$calculator = new MathExecutor(); |
| 1130 |
$this->assertEquals(256, $calculator->execute('2 ^ 8')); // second arg $cache is true by default |
| 1131 |
|
| 1132 |
$this->assertIsArray($calculator->getCache()); |
| 1133 |
$this->assertCount(1, $calculator->getCache()); |
| 1134 |
|
| 1135 |
$this->assertEquals(512, $calculator->execute('2 ^ 9', true)); |
| 1136 |
$this->assertCount(2, $calculator->getCache()); |
| 1137 |
|
| 1138 |
$this->assertEquals(1024, $calculator->execute('2 ^ 10', false)); |
| 1139 |
$this->assertCount(2, $calculator->getCache()); |
| 1140 |
|
| 1141 |
$calculator->clearCache(); |
| 1142 |
$this->assertIsArray($calculator->getCache()); |
| 1143 |
$this->assertCount(0, $calculator->getCache()); |
| 1144 |
|
| 1145 |
$this->assertEquals(2048, $calculator->execute('2 ^ 11', false)); |
| 1146 |
$this->assertCount(0, $calculator->getCache()); |
| 1147 |
} |
| 1148 |
|
| 1149 |
public function testUnsupportedOperands() : void |
| 1150 |
{ |
| 1151 |
if (\version_compare(PHP_VERSION, '8') >= 0) { |
| 1152 |
$calculator = new MathExecutor(); |
| 1153 |
|
| 1154 |
$calculator->setVar('stringVar', 'string'); |
| 1155 |
$calculator->setVar('intVar', 1); |
| 1156 |
|
| 1157 |
$this->expectException(\TypeError::class); |
| 1158 |
$calculator->execute('stringVar + intVar'); |
| 1159 |
} else { |
| 1160 |
$this->expectNotToPerformAssertions(); |
| 1161 |
} |
| 1162 |
} |
| 1163 |
} |
| 1164 |
|
