/*
* Copyright (c) 2005-2011 Grameen Foundation USA
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*
* See also http://www.apache.org/licenses/LICENSE-2.0.html for an
* explanation of the license and how it is applied.
*/
package org.mifos.clientportfolio.newloan.domain;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import java.math.BigDecimal;
import java.math.MathContext;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mifos.service.BusinessRuleException;
import org.mockito.runners.MockitoJUnitRunner;
@RunWith(MockitoJUnitRunner.class)
public class LoanDurationInAccountingYearsWeeklyCalculatorTest {
private LoanDurationInAccountingYearsCalculatorFactoryForWeeklyRecurrence weeklyCalculator;
@Before
public void setup() {
weeklyCalculator = new LoanDurationInAccountingYearsCalculatorFactoryForWeeklyRecurrence();
}
@Test(expected=BusinessRuleException.class)
public void shouldThrowRuntimeException() {
Integer recurringEvery = Integer.valueOf(1);
Integer numberOfInstallments = Integer.valueOf(12);
Integer interestDays = Integer.valueOf(1);
// exercise test
weeklyCalculator.calculate(recurringEvery, numberOfInstallments, interestDays);
}
@Test
public void shouldCalculateDurationInYears() {
Integer recurringEvery = Integer.valueOf(1);
Integer numberOfInstallments = Integer.valueOf(12);
Integer interestDays = Integer.valueOf(360);
// exercise test
Double durationInYears = weeklyCalculator.calculate(recurringEvery, numberOfInstallments, interestDays);
// verification
assertThat(doubleOf(durationInYears), is(doubleOf(Double.valueOf("0.2333"))));
}
private Double doubleOf(Double durationInYears) {
MathContext mc = new MathContext(4);
return BigDecimal.valueOf(durationInYears).round(mc).doubleValue();
}
}