/*
* Copyright 2010-2011 Ning, Inc.
*
* Ning licenses this file to you 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.
*/
package com.ning.billing.invoice.tests.inAdvance.monthly;
import java.math.BigDecimal;
import org.joda.time.DateTime;
import org.testng.annotations.Test;
import com.ning.billing.catalog.api.BillingPeriod;
import com.ning.billing.invoice.model.InvalidDateSequenceException;
import com.ning.billing.invoice.tests.inAdvance.ProRationInAdvanceTestBase;
@Test(groups = {"fast", "invoicing", "proRation"})
public class ProRationTests extends ProRationInAdvanceTestBase {
@Override
protected BillingPeriod getBillingPeriod() {
return BillingPeriod.MONTHLY;
}
@Test
public void testSinglePlan_WithPhaseChange() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 2, 10);
DateTime phaseChangeDate = buildDateTime(2011, 2, 24);
DateTime targetDate = buildDateTime(2011, 3, 6);
testCalculateNumberOfBillingCycles(startDate, phaseChangeDate, targetDate, 10, ONE_HALF);
testCalculateNumberOfBillingCycles(phaseChangeDate, targetDate, 10, ONE_HALF);
}
@Test
public void testSinglePlan_WithPhaseChange_BeforeBillCycleDay() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 2, 3);
DateTime phaseChangeDate = buildDateTime(2011, 2, 17);
DateTime targetDate = buildDateTime(2011, 3, 1);
testCalculateNumberOfBillingCycles(startDate, phaseChangeDate, targetDate, 3, ONE_HALF);
testCalculateNumberOfBillingCycles(phaseChangeDate, targetDate, 3, ONE_HALF);
}
@Test
public void testSinglePlan_WithPhaseChange_OnBillCycleDay() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 2, 3);
DateTime phaseChangeDate = buildDateTime(2011, 2, 17);
DateTime targetDate = buildDateTime(2011, 3, 3);
testCalculateNumberOfBillingCycles(startDate, phaseChangeDate, targetDate, 3, ONE_HALF);
testCalculateNumberOfBillingCycles(phaseChangeDate, targetDate, 3, ONE_AND_A_HALF);
}
@Test
public void testSinglePlan_WithPhaseChange_AfterBillCycleDay() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 2, 3);
DateTime phaseChangeDate = buildDateTime(2011, 2, 17);
DateTime targetDate = buildDateTime(2011, 3, 4);
testCalculateNumberOfBillingCycles(startDate, phaseChangeDate, targetDate, 3, ONE_HALF);
testCalculateNumberOfBillingCycles(phaseChangeDate, targetDate, 3, ONE_AND_A_HALF);
}
@Test
public void testPlanChange_WithChangeOfBillCycleDayToLaterDay() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 2, 1);
DateTime planChangeDate = buildDateTime(2011, 2, 15);
DateTime targetDate = buildDateTime(2011, 3, 1);
testCalculateNumberOfBillingCycles(startDate, planChangeDate, targetDate, 1, ONE_HALF);
testCalculateNumberOfBillingCycles(planChangeDate, targetDate, 15, ONE);
}
@Test
public void testPlanChange_WithChangeOfBillCycleDayToEarlierDay() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 2, 20);
DateTime planChangeDate = buildDateTime(2011, 3, 6);
DateTime targetDate = buildDateTime(2011, 3, 9);
testCalculateNumberOfBillingCycles(startDate, planChangeDate, targetDate, 20, ONE_HALF);
testCalculateNumberOfBillingCycles(planChangeDate, targetDate, 6, ONE);
}
@Test
public void testSinglePlan_CrossingYearBoundary() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2010, 12, 15);
DateTime targetDate = buildDateTime(2011, 1, 16);
testCalculateNumberOfBillingCycles(startDate, targetDate, 15, TWO);
}
@Test
public void testSinglePlan_LeapYear_StartingMidFebruary() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2012, 2, 15);
DateTime targetDate = buildDateTime(2012, 3, 15);
testCalculateNumberOfBillingCycles(startDate, targetDate, 15, TWO);
}
@Test
public void testSinglePlan_LeapYear_StartingBeforeFebruary() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2012, 1, 15);
DateTime targetDate = buildDateTime(2012, 2, 3);
testCalculateNumberOfBillingCycles(startDate, targetDate, 15, ONE);
}
@Test
public void testSinglePlan_LeapYear_IncludingAllOfFebruary() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2012, 1, 30);
DateTime targetDate = buildDateTime(2012, 3, 1);
testCalculateNumberOfBillingCycles(startDate, targetDate, 30, TWO);
}
@Test
public void testSinglePlan_ChangeBCDTo31() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 2, 1);
DateTime planChangeDate = buildDateTime(2011, 2, 14);
DateTime targetDate = buildDateTime(2011, 3, 1);
BigDecimal expectedValue;
expectedValue = THIRTEEN.divide(TWENTY_EIGHT, NUMBER_OF_DECIMALS, ROUNDING_METHOD);
testCalculateNumberOfBillingCycles(startDate, planChangeDate, targetDate, 1, expectedValue);
expectedValue = ONE.add(FOURTEEN.divide(THIRTY_ONE, NUMBER_OF_DECIMALS, ROUNDING_METHOD));
testCalculateNumberOfBillingCycles(planChangeDate, targetDate, 31, expectedValue);
}
@Test
public void testSinglePlan_ChangeBCD() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 2, 1);
DateTime planChangeDate = buildDateTime(2011, 2, 14);
DateTime targetDate = buildDateTime(2011, 3, 1);
BigDecimal expectedValue;
expectedValue = THIRTEEN.divide(TWENTY_EIGHT, NUMBER_OF_DECIMALS, ROUNDING_METHOD);
testCalculateNumberOfBillingCycles(startDate, planChangeDate, targetDate, 1, expectedValue);
expectedValue = ONE.add(THIRTEEN.divide(THIRTY_ONE, NUMBER_OF_DECIMALS, ROUNDING_METHOD));
testCalculateNumberOfBillingCycles(planChangeDate, targetDate, 27, expectedValue);
}
@Test
public void testSinglePlan_LeapYearFebruaryProRation() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2012, 2, 1);
DateTime endDate = buildDateTime(2012, 2, 15);
DateTime targetDate = buildDateTime(2012, 2, 19);
BigDecimal expectedValue;
expectedValue = FOURTEEN.divide(TWENTY_NINE, NUMBER_OF_DECIMALS, ROUNDING_METHOD);
testCalculateNumberOfBillingCycles(startDate, endDate, targetDate, 1, expectedValue);
}
@Test
public void testPlanChange_BeforeBillingDay() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 2, 7);
DateTime changeDate = buildDateTime(2011, 2, 15);
DateTime targetDate = buildDateTime(2011, 4, 21);
BigDecimal expectedValue;
expectedValue = EIGHT.divide(TWENTY_EIGHT, NUMBER_OF_DECIMALS, ROUNDING_METHOD);
testCalculateNumberOfBillingCycles(startDate, changeDate, targetDate, 7, expectedValue);
testCalculateNumberOfBillingCycles(changeDate, targetDate, 15, THREE);
}
@Test
public void testPlanChange_OnBillingDay() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 2, 7);
DateTime changeDate = buildDateTime(2011, 3, 7);
DateTime targetDate = buildDateTime(2011, 4, 21);
testCalculateNumberOfBillingCycles(startDate, changeDate, targetDate, 7, ONE);
BigDecimal expectedValue;
expectedValue = EIGHT.divide(TWENTY_EIGHT, NUMBER_OF_DECIMALS, ROUNDING_METHOD).add(TWO);
testCalculateNumberOfBillingCycles(changeDate, targetDate, 15, expectedValue);
}
@Test
public void testPlanChange_AfterBillingDay() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 2, 7);
DateTime changeDate = buildDateTime(2011, 3, 10);
DateTime targetDate = buildDateTime(2011, 4, 21);
BigDecimal expectedValue;
expectedValue = BigDecimal.ONE.add(THREE.divide(THIRTY_ONE, NUMBER_OF_DECIMALS, ROUNDING_METHOD));
testCalculateNumberOfBillingCycles(startDate, changeDate, targetDate, 7, expectedValue);
expectedValue = FIVE.divide(TWENTY_EIGHT, NUMBER_OF_DECIMALS, ROUNDING_METHOD).add(TWO);
testCalculateNumberOfBillingCycles(changeDate, targetDate, 15, expectedValue);
}
@Test
public void testPlanChange_DoubleProRation() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2011, 1, 31);
DateTime planChangeDate = buildDateTime(2011, 3, 10);
DateTime targetDate = buildDateTime(2011, 4, 21);
BigDecimal expectedValue;
expectedValue = SEVEN.divide(THIRTY_ONE, 2 * NUMBER_OF_DECIMALS, ROUNDING_METHOD);
expectedValue = expectedValue.add(ONE);
expectedValue = expectedValue.add(THREE.divide(THIRTY_ONE, 2 * NUMBER_OF_DECIMALS, ROUNDING_METHOD));
expectedValue = expectedValue.setScale(NUMBER_OF_DECIMALS, ROUNDING_METHOD);
testCalculateNumberOfBillingCycles(startDate, planChangeDate, targetDate, 7, expectedValue);
expectedValue = FIVE.divide(TWENTY_EIGHT, NUMBER_OF_DECIMALS, ROUNDING_METHOD).add(TWO);
testCalculateNumberOfBillingCycles(planChangeDate, targetDate, 15, expectedValue);
}
@Test
public void testStartTargetEnd() throws InvalidDateSequenceException {
DateTime startDate = buildDateTime(2010, 12, 15);
DateTime targetDate = buildDateTime(2011, 3, 15);
DateTime endDate = buildDateTime(2011, 3, 17);
BigDecimal expectedValue = THREE.add(TWO.divide(THIRTY_ONE, NUMBER_OF_DECIMALS, ROUNDING_METHOD));
testCalculateNumberOfBillingCycles(startDate, endDate, targetDate, 15, expectedValue);
}
}