/**
* @param DateTime $startDate
* @param DateTime $endDate
* @return TimeSpan
*/
public static function asInterval(DateTime $startDate, DateTime $endDate)
{
$newThis = new TimeSpan();
$newThis->checkStartEndDateAndSetInterval($startDate, $endDate);
$newThis->setStartDate($startDate);
$newThis->setEndDate($endDate);
return $newThis;
}
/**
* @param DebtAmortizator $result
*/
private function processResult(DebtAmortizator $result)
{
$this->assertEquals("40000", $result->getDebtPrincipal());
$this->assertEquals("6", $result->getDebtNoOfCompoundingPeriods());
$this->assertEquals(TimeSpan::asDuration(intval(floor($result->getDebtPeriodLengthInYears())), intval(floor($result->getDebtPeriodLengthInYears()) == 0 ? $result->getDebtPeriodLengthInMonths() : $result->getDebtPeriodLengthInMonths() % $result->getDebtPeriodLengthInYears()), intval(floor($result->getDebtPeriodLengthInMonths()) == 0 ? $result->getDebtPeriodLengthInDays() : $result->getDebtPeriodLengthInDays() % $result->getDebtPeriodLengthInMonths())), $result->getDebtPeriodLength());
$this->assertEquals(MathFuncs::div($result->getDebtPeriodLengthInDays(), TimeUtils::getDaysFromYears(1)), $result->getDebtPeriodLengthInYears());
$this->assertEquals(MathFuncs::div($result->getDebtPeriodLengthInDays(), TimeUtils::getDaysFromMonths(1)), $result->getDebtPeriodLengthInMonths());
$this->assertEquals(MathFuncs::div($result->getDebtLengthInDays(), TimeUtils::getDaysFromYears(1)), $result->getDebtLengthInYears());
$this->assertEquals(MathFuncs::div($result->getDebtLengthInDays(), TimeUtils::getDaysFromMonths(1)), $result->getDebtLengthInMonths());
$dateStart = new DateTime();
$dateEnd = clone $dateStart;
$dateEnd->add(new DateInterval("P" . (int) $result->getDebtLengthInDays() . "D"));
$this->assertEquals($dateEnd, $result->getDebtEndDate($dateStart));
$this->assertEquals("0.12", $result->getDebtInterest());
$repayments = $result->getDebtRepayments();
$INDIVIDUAL_REPAYMENT = "9729.03";
$this->assertEquals("4929.03", round($repayments[1]->getPrincipalAmount(), 2));
$this->assertEquals("4800.00", round($repayments[1]->getInterestAmount(), 2));
$this->assertEquals($INDIVIDUAL_REPAYMENT, round($repayments[1]->getTotalAmount(), 2));
$this->assertEquals("5520.51", round($repayments[2]->getPrincipalAmount(), 2));
$this->assertEquals("4208.52", round($repayments[2]->getInterestAmount(), 2));
$this->assertEquals($INDIVIDUAL_REPAYMENT, round($repayments[2]->getTotalAmount(), 2));
$this->assertEquals("6182.97", round($repayments[3]->getPrincipalAmount(), 2));
$this->assertEquals("3546.06", round($repayments[3]->getInterestAmount(), 2));
$this->assertEquals($INDIVIDUAL_REPAYMENT, round($repayments[3]->getTotalAmount(), 2));
$this->assertEquals("6924.93", round($repayments[4]->getPrincipalAmount(), 2));
$this->assertEquals("2804.10", round($repayments[4]->getInterestAmount(), 2));
$this->assertEquals($INDIVIDUAL_REPAYMENT, round($repayments[4]->getTotalAmount(), 2));
$this->assertEquals("7755.92", round($repayments[5]->getPrincipalAmount(), 2));
$this->assertEquals("1973.11", round($repayments[5]->getInterestAmount(), 2));
$this->assertEquals($INDIVIDUAL_REPAYMENT, round($repayments[5]->getTotalAmount(), 2));
$this->assertEquals("8686.63", round($repayments[6]->getPrincipalAmount(), 2));
$this->assertEquals("1042.4", round($repayments[6]->getInterestAmount(), 2));
$this->assertEquals($INDIVIDUAL_REPAYMENT, round($repayments[6]->getTotalAmount(), 2));
}
/**
* @return string
*/
public function getTimeInDays()
{
return $this->time->toDays();
}
/**
* @param $annuitySinglePaymentAmount
* @param $annuityInterest
* @return AnnuityCalculator
*/
public function newPerpetuity($annuitySinglePaymentAmount, $annuityInterest)
{
return $this->manufactureInstance([$annuitySinglePaymentAmount, 0, TimeSpan::asDuration(0), $annuityInterest]);
}
/**
* @return \FinanCalc\Calculators\AnnuityCalculator
*/
private function newAnnuityCalculatorDirectYearly()
{
return new AnnuityCalculator(100000, 5, TimeSpan::asDuration(1), 0.15);
}
public function testCheckInstanceException()
{
$this->setExpectedException('InvalidArgumentException', ErrorMessages::getIncompatibleTypesMessage("Non\\Existing\\Class", "FinanCalc\\Calculators\\AnnuityCalculator"));
Helpers::checkIfInstanceOfAClassOrThrowAnException(new AnnuityCalculator(100000, 5, TimeSpan::asDuration(1), 0.15), "Non\\Existing\\Class");
}
/**
* @param DateTime $startDate [The start date of the debt]
* @return DateTime [The end date of the debt]
*/
public function getDebtEndDate(DateTime $startDate)
{
return TimeSpan::asDurationWithStartDate($startDate, 0, 0, (int) $this->getDebtLengthInDays())->getEndDate();
}
public function testTimeSpanAsInterval()
{
$this->assertTimeSpan(TimeSpan::asInterval(new DateTime("2012-01-01"), new DateTime("2012-07-01")));
}
/**
* @return SimpleInterestCalculator
* @throws Exception
*/
private function newSimpleInterestCalculatorFactory()
{
return \FinanCalc\FinanCalc::getInstance()->getFactory('SimpleInterestCalculatorFactory')->newSimpleInterest(100, 0.0375, TimeSpan::asDuration(1));
}
/**
* @return mixed
* @throws Exception
*/
private function newSimpleDiscountCalculatorFactory()
{
return \FinanCalc\FinanCalc::getInstance()->getFactory('SimpleDiscountCalculatorFactory')->newSimpleDiscount(100000, 0.13, TimeSpan::asDuration(0, 6));
}
/**
* @param $debtPrincipal
* @param $debtNoOfPeriods
* @param $debtInterest
* @return DebtAmortizator
*/
public function newDailyDebtAmortization($debtPrincipal, $debtNoOfPeriods, $debtInterest)
{
return $this->manufactureInstance([$debtPrincipal, $debtNoOfPeriods, TimeSpan::asDuration(0, 0, 1), $debtInterest]);
}
protected function setUp()
{
$this->timeSpan = TimeSpan::asDuration(1, 6, 90);
parent::setUp();
}
