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testGetInterestAmount()   A

↳ Parent: InterestAmountCalculatorTest

Complexity

Conditions 1
Paths 1

Size

Total Lines 8
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 8
rs 9.4285
c 0
b 0
f 0
cc 1
eloc 5
nc 1
nop 4
1 
<?php
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namespace Kauri\Loan\Test;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Kauri\Loan\InterestAmountCalculator;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use PHPUnit\Framework\TestCase;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class InterestAmountCalculatorTest extends TestCase

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @dataProvider loadData

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param $presentValue

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param $currentPeriod

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param $yearlyInterestRate

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param $expectedInterest

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function testGetInterestAmount($presentValue, $currentPeriod, $yearlyInterestRate, $expectedInterest)

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $ratePerPeriod = $yearlyInterestRate / 360 * $currentPeriod;

            


            
                                                                        
                            
            
                                    
            
            

                
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        $calculator = new InterestAmountCalculator();

            


            
                                                                        
                            
            
                                    
            
            

                
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        $interestAmount = $calculator->getInterestAmount($presentValue, $ratePerPeriod);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->assertEquals($expectedInterest, $interestAmount);

            


            
                                                                        
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function loadData()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return [

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            // Regular annuity

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            [100, 30, 360, 30],

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            [100, 30, 180, 15],

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            // Exact

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            [100, 10, 360, 10],

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            [100, 29, 180, 14.5]

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        ];

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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