Wian Drs
48 lines
1.4 KiB
PHP
48 lines
1.4 KiB
PHP
<?php
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use PHPUnit\Framework\TestCase;
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final class FormulaServiceTest extends TestCase
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{
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private $formula;
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protected function setUp(): void
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{
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$this->formula = new FormulaService();
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}
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public function testPayrollFormulaHonorsPrecedenceAndVariables(): void
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{
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$value = $this->formula->calculate('basic_salary + overtime_hours * overtime_rate', array(
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'basic_salary' => 5000000,
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'overtime_hours' => 4,
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'overtime_rate' => 50000,
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));
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self::assertSame(5200000.0, $value);
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}
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public function testProrataFormulaAndRounding(): void
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{
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self::assertSame(333333.33, $this->formula->calculate('salary / work_days', array(
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'salary' => 7000000,
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'work_days' => 21,
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)));
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}
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public function testUnknownVariableIsZeroForBackwardCompatibleFormula(): void
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{
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self::assertSame(1000.0, $this->formula->calculate('base + optional_bonus', array('base' => 1000)));
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}
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public function testRejectsDivisionByZero(): void
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{
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$this->expectException(BusinessException::class);
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$this->formula->calculate('salary / days', array('salary' => 1000, 'days' => 0));
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}
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public function testRejectsUnsafeTokens(): void
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{
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$this->expectException(BusinessException::class);
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$this->formula->calculate('system("whoami")', array());
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}
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}
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