service/src/test/java/io/mifos/portfolio/service/internal/util/AccountingAdapterTest.java

/*
 * Copyright 2017 Kuelap, Inc.
 *
 * 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.
 */
package io.mifos.portfolio.service.internal.util;

import com.google.common.collect.Sets;
import io.mifos.accounting.api.v1.domain.Creditor;
import io.mifos.accounting.api.v1.domain.Debtor;
import io.mifos.accounting.api.v1.domain.JournalEntry;
import io.mifos.individuallending.internal.service.DesignatorToAccountIdentifierMapper;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;

import java.math.BigDecimal;
import java.util.HashMap;
import java.util.Map;

/**
 * @author Myrle Krantz
 */
public class AccountingAdapterTest {
  @Test
  public void getJournalEntryWithMultipleIdenticalChargesMappedToSameAccount() {
    final BigDecimal two = BigDecimal.valueOf(2);
    final BigDecimal negativeTwo = two.negate();
    final Map<String, BigDecimal> balanceAdjustments = new HashMap<>();
    balanceAdjustments.put("a", BigDecimal.ONE);
    balanceAdjustments.put("b", BigDecimal.ONE);
    balanceAdjustments.put("c", negativeTwo);

    final DesignatorToAccountIdentifierMapper designatorToAccountIdentifierMapper = Mockito.mock(DesignatorToAccountIdentifierMapper.class);
    Mockito.doReturn("a1").when(designatorToAccountIdentifierMapper).mapOrThrow("a");
    Mockito.doReturn("a1").when(designatorToAccountIdentifierMapper).mapOrThrow("b");
    Mockito.doReturn("c1").when(designatorToAccountIdentifierMapper).mapOrThrow("c");

    final JournalEntry journalEntry = AccountingAdapter.getJournalEntry(
        balanceAdjustments,
        designatorToAccountIdentifierMapper,
        "", "", "", "", "", "");
    Assert.assertEquals(Sets.newHashSet(new Debtor("c1", two.toPlainString())), journalEntry.getDebtors());
    Assert.assertEquals(Sets.newHashSet(new Creditor("a1", two.toPlainString())), journalEntry.getCreditors());
  }

}