/*
* 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.generator;
import java.math.BigDecimal;
import java.util.LinkedList;
import java.util.List;
import java.util.UUID;
import org.joda.time.DateTime;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import com.ning.billing.catalog.api.Currency;
import com.ning.billing.config.InvoiceConfig;
import com.ning.billing.invoice.api.Invoice;
import com.ning.billing.invoice.api.InvoiceItem;
import com.ning.billing.invoice.api.InvoiceItemType;
import com.ning.billing.invoice.model.CreditBalanceAdjInvoiceItem;
import com.ning.billing.invoice.model.FixedPriceInvoiceItem;
import com.ning.billing.invoice.model.RecurringInvoiceItem;
import com.ning.billing.invoice.model.RepairAdjInvoiceItem;
import com.ning.billing.invoice.tests.InvoicingTestBase;
import com.ning.billing.util.clock.Clock;
import com.ning.billing.util.clock.ClockMock;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.testng.Assert.assertEquals;
public class TestDefaultInvoiceGeneratorUnit extends InvoicingTestBase {
private DefaultInvoiceGenerator gen;
private Clock clock;
private final UUID invoiceId = UUID.randomUUID();
private final UUID accountId = UUID.randomUUID();
private final UUID subscriptionId = UUID.randomUUID();
private final UUID bundleId = UUID.randomUUID();
private final String planName = "my-plan";
private final String phaseName = "my-phase";
private final Currency currency = Currency.USD;
public static final class TestDefaultInvoiceGeneratorMock extends DefaultInvoiceGenerator {
public TestDefaultInvoiceGeneratorMock(final Clock clock, final InvoiceConfig config) {
super(clock, config);
}
}
@BeforeClass(groups = "fast")
public void setup() {
clock = new ClockMock();
gen = new TestDefaultInvoiceGeneratorMock(clock, new InvoiceConfig() {
@Override
public boolean isNotificationProcessingOff() {
return false;
}
@Override
public boolean isEmailNotificationsEnabled() {
return false;
}
@Override
public long getSleepTimeMs() {
return 100;
}
@Override
public int getNumberOfMonthsInFuture() {
return 5;
}
});
}
@Test(groups = "fast")
public void testRemoveCancellingInvoiceItemsFixedPrice() {
final DateTime startDate = clock.getUTCNow();
final DateTime endDate = startDate.plusDays(30);
final DateTime nextEndDate = startDate.plusMonths(1);
final BigDecimal amount = new BigDecimal("12.00");
final BigDecimal rate2 = new BigDecimal("14.85");
final BigDecimal amount2 = rate2;
final List<InvoiceItem> items = new LinkedList<InvoiceItem>();
final InvoiceItem item1 = new FixedPriceInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, startDate, endDate, amount, currency);
items.add(item1);
items.add(new RepairAdjInvoiceItem(invoiceId, accountId, startDate, endDate, amount.negate(), currency, item1.getId()));
items.add(new RecurringInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, endDate, nextEndDate, amount2, rate2, currency));
gen.removeCancellingInvoiceItems(items);
assertEquals(items.size(), 1);
final InvoiceItem leftItem = items.get(0);
assertEquals(leftItem.getInvoiceItemType(), InvoiceItemType.RECURRING);
assertEquals(leftItem.getAmount(), amount2);
}
@Test(groups = "fast")
public void testRemoveCancellingInvoiceItemsRecurringPrice() {
final DateTime startDate = clock.getUTCNow();
final DateTime endDate = startDate.plusDays(30);
final DateTime nextEndDate = startDate.plusMonths(1);
final BigDecimal rate1 = new BigDecimal("12.00");
final BigDecimal amount1 = rate1;
final BigDecimal rate2 = new BigDecimal("14.85");
final BigDecimal amount2 = rate2;
final List<InvoiceItem> items = new LinkedList<InvoiceItem>();
final InvoiceItem item1 = new RecurringInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, startDate, endDate, amount1, rate1, currency, null);
items.add(item1);
items.add(new RepairAdjInvoiceItem(invoiceId, accountId, startDate, endDate, amount1.negate(), currency, item1.getId()));
items.add(new RecurringInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, endDate, nextEndDate, amount2, rate2, currency));
gen.removeCancellingInvoiceItems(items);
assertEquals(items.size(), 1);
final InvoiceItem leftItem = items.get(0);
assertEquals(leftItem.getInvoiceItemType(), InvoiceItemType.RECURRING);
assertEquals(leftItem.getAmount(), amount2);
}
@Test(groups = "fast")
public void testRemoveDuplicatedInvoiceItemsFixedPrice() {
final DateTime startDate = clock.getUTCNow();
final DateTime endDate = startDate.plusDays(30);
final DateTime nextEndDate = startDate.plusMonths(1);
final BigDecimal amount1 = new BigDecimal("12.00");
final BigDecimal amount2 = new BigDecimal("14.85");
final BigDecimal rate3 = new BigDecimal("14.85");
final BigDecimal amount3 = rate3;
final List<InvoiceItem> existing = new LinkedList<InvoiceItem>();
final InvoiceItem item1 = new FixedPriceInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, startDate, endDate, amount1, currency);
existing.add(item1);
final List<InvoiceItem> proposed = new LinkedList<InvoiceItem>();
final InvoiceItem other = new RecurringInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, endDate, nextEndDate, amount3, rate3, currency, null);
proposed.add(item1);
proposed.add(other);
gen.removeDuplicatedInvoiceItems(proposed, existing);
assertEquals(existing.size(), 0);
assertEquals(proposed.size(), 1);
final InvoiceItem leftItem = proposed.get(0);
assertEquals(leftItem.getInvoiceItemType(), InvoiceItemType.RECURRING);
assertEquals(leftItem.getAmount(), amount2);
}
@Test(groups = "fast")
public void testRemoveDuplicatedInvoiceItemsRecurringPrice() {
final DateTime startDate = clock.getUTCNow();
final DateTime endDate = startDate.plusDays(30);
final DateTime nextEndDate = startDate.plusMonths(1);
final BigDecimal rate1 = new BigDecimal("12.00");
final BigDecimal amount1 = rate1;
final BigDecimal rate2 = new BigDecimal("14.85");
final BigDecimal amount2 = rate2;
final List<InvoiceItem> existing = new LinkedList<InvoiceItem>();
final InvoiceItem item1 = new RecurringInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, startDate, endDate, amount1, rate1, currency, null);
existing.add(item1);
final List<InvoiceItem> proposed = new LinkedList<InvoiceItem>();
final InvoiceItem other = new RecurringInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, endDate, nextEndDate, amount2, rate2, currency, null);
proposed.add(item1);
proposed.add(other);
gen.removeDuplicatedInvoiceItems(proposed, existing);
assertEquals(existing.size(), 0);
assertEquals(proposed.size(), 1);
final InvoiceItem leftItem = proposed.get(0);
assertEquals(leftItem.getInvoiceItemType(), InvoiceItemType.RECURRING);
assertEquals(leftItem.getAmount(), amount2);
}
// STEPH same as testRemoveCancellingInvoiceItemsFixedPrice: should we have one for FixedPrice?
@Test(groups = "fast")
public void testAddRepairedItemsItemsRecurringPrice() {
final DateTime startDate = clock.getUTCNow();
final DateTime endDate = startDate.plusDays(30);
final DateTime nextEndDate = startDate.plusMonths(1);
final BigDecimal rate1 = new BigDecimal("12.00");
final BigDecimal amount1 = rate1;
final BigDecimal rate2 = new BigDecimal("14.85");
final BigDecimal amount2 = rate2;
final UUID firstInvoiceId = UUID.randomUUID();
final List<InvoiceItem> existing = new LinkedList<InvoiceItem>();
final InvoiceItem item1 = new RecurringInvoiceItem(firstInvoiceId, accountId, bundleId, subscriptionId, planName, phaseName, startDate, endDate, amount1, rate1, currency, null);
existing.add(item1);
final List<InvoiceItem> proposed = new LinkedList<InvoiceItem>();
final InvoiceItem other = new RecurringInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, endDate, nextEndDate, amount2, rate2, currency, null);
proposed.add(other);
gen.addRepairedItems(existing, proposed);
assertEquals(existing.size(), 1);
assertEquals(proposed.size(), 2);
final InvoiceItem leftItem1 = proposed.get(0);
assertEquals(leftItem1.getInvoiceId(), invoiceId);
assertEquals(leftItem1.getInvoiceItemType(), InvoiceItemType.RECURRING);
assertEquals(leftItem1.getAmount(), amount2);
final InvoiceItem newItem2 = proposed.get(1);
assertEquals(newItem2.getInvoiceId(), firstInvoiceId);
assertEquals(newItem2.getInvoiceItemType(), InvoiceItemType.REPAIR_ADJ);
assertEquals(newItem2.getAmount(), item1.getAmount().negate());
assertEquals(newItem2.getLinkedItemId(), item1.getId());
}
@Test(groups = "fast")
public void testGenerateCreditsForPastRepairedInvoices() {
final DateTime startDate = clock.getUTCNow();
final DateTime endDate = startDate.plusDays(30);
final DateTime nextEndDate = startDate.plusMonths(1);
final BigDecimal rate1 = new BigDecimal("10.00");
final BigDecimal amount1 = rate1;
final List<InvoiceItem> existing = new LinkedList<InvoiceItem>();
final InvoiceItem item1 = new RecurringInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, startDate, endDate, amount1, rate1, currency, null);
existing.add(item1);
final UUID existingInvoiceId = UUID.randomUUID();
final List<Invoice> existingInvoices = new LinkedList<Invoice>();
final Invoice existingInvoice = mock(Invoice.class);
when(existingInvoice.getId()).thenReturn(existingInvoiceId);
when(existingInvoice.getBalance()).thenReturn(BigDecimal.ZERO);
when(existingInvoice.getInvoiceItems()).thenReturn(existing);
final BigDecimal rate2 = new BigDecimal("20.0");
final BigDecimal amount2 = rate2;
final List<InvoiceItem> proposed = new LinkedList<InvoiceItem>();
final InvoiceItem reversedItem1 = new RepairAdjInvoiceItem(existingInvoiceId, accountId, startDate, nextEndDate, item1.getAmount().negate(), currency, item1.getId());
final InvoiceItem newItem1 = new RecurringInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, startDate, endDate, amount2, rate2, currency, null);
proposed.add(reversedItem1);
proposed.add(newItem1);
gen.generateCBAForExistingInvoices(accountId, existingInvoices, proposed, currency);
assertEquals(proposed.size(), 3);
final InvoiceItem reversedItemCheck1 = proposed.get(0);
assertEquals(reversedItemCheck1.getInvoiceId(), existingInvoiceId);
assertEquals(reversedItemCheck1.getInvoiceItemType(), InvoiceItemType.REPAIR_ADJ);
assertEquals(reversedItemCheck1.getAmount(), item1.getAmount().negate());
assertEquals(reversedItemCheck1.getLinkedItemId(), item1.getId());
final InvoiceItem newItemCheck1 = proposed.get(1);
assertEquals(newItemCheck1.getInvoiceId(), invoiceId);
assertEquals(newItemCheck1.getInvoiceItemType(), InvoiceItemType.RECURRING);
assertEquals(newItemCheck1.getAmount(), amount2);
final InvoiceItem creditItemCheck = proposed.get(2);
assertEquals(creditItemCheck.getInvoiceId(), existingInvoiceId);
assertEquals(creditItemCheck.getInvoiceItemType(), InvoiceItemType.CBA_ADJ);
assertEquals(creditItemCheck.getAmount(), amount2.add(rate1.negate()));
}
@Test(groups = "fast")
public void testConsumeNotEnoughExistingCredit() {
testConsumeCreditInternal(new BigDecimal("12.00"), new BigDecimal("-10.00"));
}
@Test(groups = "fast")
public void testConsumeTooMuchExistingCredit() {
testConsumeCreditInternal(new BigDecimal("7.00"), new BigDecimal("-7.00"));
}
private void testConsumeCreditInternal(final BigDecimal newRate, final BigDecimal expectedNewCba) {
final DateTime startDate = clock.getUTCNow();
final DateTime endDate = startDate.plusDays(30);
final DateTime nextEndDate = startDate.plusMonths(1);
final BigDecimal rate1 = new BigDecimal("20.00");
final BigDecimal amount1 = rate1;
final BigDecimal rate2 = new BigDecimal("10.00");
final BigDecimal amount2 = rate2;
final UUID firstInvoiceId = UUID.randomUUID();
final List<InvoiceItem> existing = new LinkedList<InvoiceItem>();
final BigDecimal pcba1 = new BigDecimal("10.00");
final InvoiceItem item1 = new RecurringInvoiceItem(firstInvoiceId, accountId, bundleId, subscriptionId, planName, phaseName, startDate, endDate, amount1, rate1, currency, null);
final InvoiceItem reversedItem1 = new RepairAdjInvoiceItem(firstInvoiceId, accountId, startDate, nextEndDate, amount1.negate(), currency, item1.getId());
final InvoiceItem newItem1 = new RecurringInvoiceItem(firstInvoiceId, accountId, bundleId, subscriptionId, planName, phaseName, startDate, endDate, amount2, rate2, currency, null);
final InvoiceItem cba1 = new CreditBalanceAdjInvoiceItem(firstInvoiceId, accountId, startDate, pcba1, currency);
existing.add(item1);
existing.add(reversedItem1);
existing.add(newItem1);
existing.add(cba1);
final BigDecimal newRate2 = newRate;
final BigDecimal newAmount2 = newRate2;
final List<InvoiceItem> proposed = new LinkedList<InvoiceItem>();
final InvoiceItem item2 = new RecurringInvoiceItem(invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, startDate.plusMonths(1), endDate.plusMonths(1), newAmount2, newRate2, currency, null);
proposed.add(item2);
gen.consumeExistingCredit(invoiceId, firstInvoiceId, existing, proposed, currency);
assertEquals(proposed.size(), 2);
final InvoiceItem item2Check = proposed.get(0);
assertEquals(item2Check.getInvoiceId(), invoiceId);
assertEquals(item2Check.getInvoiceItemType(), InvoiceItemType.RECURRING);
assertEquals(item2Check.getAmount(), newAmount2);
final InvoiceItem cbaCheck = proposed.get(1);
assertEquals(cbaCheck.getInvoiceId(), invoiceId);
assertEquals(cbaCheck.getInvoiceItemType(), InvoiceItemType.CBA_ADJ);
assertEquals(cbaCheck.getAmount(), expectedNewCba);
}
}