mirror of
https://github.com/Karaka-Management/phpOMS.git
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86 lines
2.7 KiB
PHP
Executable File
86 lines
2.7 KiB
PHP
Executable File
<?php
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/**
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* Jingga
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*
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* PHP Version 8.2
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*
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* @package tests
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* @copyright Dennis Eichhorn
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* @license OMS License 2.0
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* @version 1.0.0
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* @link https://jingga.app
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*/
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declare(strict_types=1);
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namespace phpOMS\tests\Business\Finance;
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use phpOMS\Business\Finance\Loan;
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/**
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* @internal
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*/
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#[\PHPUnit\Framework\Attributes\TestDox('phpOMS\tests\Business\Finance\LoanTest: Loan formulas')]
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final class LoanTest extends \PHPUnit\Framework\TestCase
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{
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#[\PHPUnit\Framework\Attributes\Group('framework')]
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#[\PHPUnit\Framework\Attributes\TestDox('The loan to deposit ratio is correct')]
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public function testLoanToDepositRatio() : void
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{
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self::assertEquals(100 / 50, Loan::getLoanToDepositRatio(100, 50));
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}
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#[\PHPUnit\Framework\Attributes\Group('framework')]
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#[\PHPUnit\Framework\Attributes\TestDox('The loan to value ratio is correct')]
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public function testLoanToValueRatio() : void
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{
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self::assertEquals(100 / 50, Loan::getLoanToValueRatio(100, 50));
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}
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#[\PHPUnit\Framework\Attributes\Group('framework')]
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#[\PHPUnit\Framework\Attributes\TestDox('The balloon loan payments are correct for a given balloon')]
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public function testPaymentsOnBalloonLoan() : void
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{
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$pv = 1000;
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$r = 0.15;
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$n = 7;
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$balloon = 300;
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self::assertEqualsWithDelta(213.25, Loan::getPaymentsOnBalloonLoan($pv, $r, $n, $balloon), 0.01);
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}
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#[\PHPUnit\Framework\Attributes\Group('framework')]
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#[\PHPUnit\Framework\Attributes\TestDox('The balloon loan residual value (balloon) is correct for given payments')]
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public function testBalloonBalanceOfLoan() : void
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{
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$pv = 1000;
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$p = 300;
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$r = 0.15;
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$n = 7;
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self::assertEqualsWithDelta(-660.02, Loan::getBalloonBalanceOfLoan($pv, $p, $r, $n), 0.01);
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}
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#[\PHPUnit\Framework\Attributes\Group('framework')]
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#[\PHPUnit\Framework\Attributes\TestDox('The loan payments are correct for a given interest rate and period [continuous compounding]')]
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public function testLoanPayment() : void
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{
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$pv = 1000;
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$r = 0.15;
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$n = 7;
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self::assertEqualsWithDelta(240.36, Loan::getLoanPayment($pv, $r, $n), 0.01);
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}
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#[\PHPUnit\Framework\Attributes\Group('framework')]
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#[\PHPUnit\Framework\Attributes\TestDox('The residual value is correct for a given payment amount, interest rate and period [continuous compounding]')]
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public function testRemainingBalanceLoan() : void
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{
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$pv = 1000;
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$p = 200;
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$r = 0.15;
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$n = 7;
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self::assertEqualsWithDelta(446.66, Loan::getRemainingBalanceLoan($pv, $p, $r, $n), 0.01);
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}
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}
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