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<?php |
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namespace Kauri\Loan\Test; |
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use Kauri\Loan\PaymentPeriods; |
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use Kauri\Loan\Period; |
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use PHPUnit\Framework\TestCase; |
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class RatePerPeriodTest extends TestCase |
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{ |
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/** |
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* @dataProvider expectedRateData |
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* @param $calculationMode |
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* @param $calculateFor |
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* @param $expected |
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*/ |
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public function testGetRatePerPeriod($calculationMode, $calculateFor, $expected) |
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{ |
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$periods = $this->periodsData(); |
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foreach ($periods->getPeriods() as $k => $p) { |
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$this->assertEquals($expected[$k], $periods->getRatePerPeriod($p, 360, $calculationMode, $calculateFor)); |
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} |
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} |
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/** |
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* @dataProvider expectedPeriodsData |
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* @param $calculationMode |
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* @param $calculateFor |
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* @param $expected |
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*/ |
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public function testGetNumberOfPeriods($calculationMode, $calculateFor, $expected) |
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{ |
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$periods = $this->periodsData(); |
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foreach ($periods->getPeriods() as $k => $p) { |
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$this->assertEquals($k, $p->getSequenceNo()); |
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$this->assertEquals($expected[$k], $periods->getNumberOfPeriods($p, $calculationMode, $calculateFor)); |
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} |
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} |
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public function expectedRateData() |
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{ |
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return [ |
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[ |
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PaymentPeriods::CALCULATION_MODE_AVERAGE, |
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PaymentPeriods::CALCULATE_FOR_PAYMENT, |
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[1 => 30, 30, 30, 30, 30] |
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], |
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[ |
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PaymentPeriods::CALCULATION_MODE_EXACT_INTEREST, |
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PaymentPeriods::CALCULATE_FOR_PAYMENT, |
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[1 => 30, 30, 30, 30, 30] |
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], |
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[PaymentPeriods::CALCULATION_MODE_EXACT, PaymentPeriods::CALCULATE_FOR_PAYMENT, [1 => 31, 29, 31, 30, 31]], |
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[ |
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PaymentPeriods::CALCULATION_MODE_AVERAGE, |
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PaymentPeriods::CALCULATE_FOR_INTEREST, |
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[1 => 30, 30, 30, 30, 30] |
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], |
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[ |
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PaymentPeriods::CALCULATION_MODE_EXACT_INTEREST, |
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PaymentPeriods::CALCULATE_FOR_INTEREST, |
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[1 => 31, 29, 31, 30, 31] |
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], |
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[PaymentPeriods::CALCULATION_MODE_EXACT, PaymentPeriods::CALCULATE_FOR_INTEREST, [1 => 31, 29, 31, 30, 31]] |
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]; |
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} |
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public function expectedPeriodsData() |
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{ |
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return [ |
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[PaymentPeriods::CALCULATION_MODE_AVERAGE, PaymentPeriods::CALCULATE_FOR_PAYMENT, [1 => 5, 5, 5, 5, 5]], |
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[ |
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PaymentPeriods::CALCULATION_MODE_EXACT_INTEREST, |
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PaymentPeriods::CALCULATE_FOR_PAYMENT, |
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[1 => 5, 5, 5, 5, 5] |
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], |
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[ |
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PaymentPeriods::CALCULATION_MODE_EXACT, |
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PaymentPeriods::CALCULATE_FOR_PAYMENT, |
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[1 => 152 / 31, 152 / 29, 152 / 31, 152 / 30, 152 / 31] |
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], |
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[PaymentPeriods::CALCULATION_MODE_AVERAGE, PaymentPeriods::CALCULATE_FOR_INTEREST, [1 => 5, 5, 5, 5, 5]], |
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[ |
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PaymentPeriods::CALCULATION_MODE_EXACT_INTEREST, |
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PaymentPeriods::CALCULATE_FOR_INTEREST, |
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[1 => 152 / 31, 152 / 29, 152 / 31, 152 / 30, 152 / 31] |
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], |
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[ |
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PaymentPeriods::CALCULATION_MODE_EXACT, |
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PaymentPeriods::CALCULATE_FOR_INTEREST, |
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[1 => 152 / 31, 152 / 29, 152 / 31, 152 / 30, 152 / 31] |
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] |
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]; |
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} |
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private function periodsData() |
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{ |
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$periods = new PaymentPeriods(30); |
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$dates = array( |
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['2016-01-01', '2016-01-31'], |
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['2016-02-01', '2016-02-29'], |
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['2016-03-01', '2016-03-31'], |
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['2016-04-01', '2016-04-30'], |
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['2016-05-01', '2016-05-31'] |
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); |
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foreach ($dates as $date) { |
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$period = new Period(new \DateTime($date[0]), new \DateTime($date[1])); |
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$periods->add($period); |
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} |
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return $periods; |
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} |
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} |
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kaurikk /
loan-payment-period
