AccountBOTest.java

/*
 * 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.accounts.business;

import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.mockito.MockitoAnnotations.initMocks;

import java.util.ArrayList;

import junit.framework.Assert;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mifos.accounts.exceptions.AccountException;
import org.mifos.accounts.persistence.LegacyAccountDao;
import org.mifos.framework.TestUtils;
import org.mifos.framework.exceptions.PersistenceException;
import org.mifos.framework.util.helpers.Money;
import org.mifos.service.BusinessRuleException;
import org.mockito.Mockito;
import org.mockito.runners.MockitoJUnitRunner;

/**
 * In memory unit tests for AccountBO.
 *
 */
@RunWith(MockitoJUnitRunner.class)
public class AccountBOTest {

    @Before
    public void setUp() {
        initMocks(this);
    }

    @Test(expected = BusinessRuleException.class)
    public void shouldThrowExceptionWhenOfficeGlobalNumberProvidedIsBlank() throws Exception {

        // setup
        int accountId = 1;
        AccountBO account = new AccountBO(accountId);
        String officeGlobalNum = "";

        // exercise test
        account.generateId(officeGlobalNum);
    }

    @Test
    public void testSetAndGetExternalId() {
        int accountId = 1;
        String externalId = "123ABC";

        AccountBO account = new AccountBO(accountId);
        account.setExternalId(externalId);

        assertThat(account.getExternalId(), is(externalId));
    }

    @Test
    public void testGetLastPmntToBeAdjustedReturnsFirstNonZeroElementInTheList() {
        AccountBO account = new AccountBO(1);
        AccountPaymentEntity accountPaymentEntity1 = Mockito.mock(AccountPaymentEntity.class);
        AccountPaymentEntity accountPaymentEntity2 = Mockito.mock(AccountPaymentEntity.class);
        AccountPaymentEntity accountPaymentEntity3 = Mockito.mock(AccountPaymentEntity.class);

        ArrayList<AccountPaymentEntity> accountPayments = new ArrayList<AccountPaymentEntity>();
        accountPayments.add(accountPaymentEntity1);
        accountPayments.add(accountPaymentEntity2);
        accountPayments.add(accountPaymentEntity3);

        account.setAccountPayments(accountPayments);
        when(accountPaymentEntity1.getAmount()).thenReturn(new Money(TestUtils.RUPEE, "0"));
        when(accountPaymentEntity2.getAmount()).thenReturn(new Money(TestUtils.RUPEE, "2"));
        when(accountPaymentEntity3.getAmount()).thenReturn(new Money(TestUtils.RUPEE, "3"));

        Assert.assertSame(accountPaymentEntity2, account.getLastPmntToBeAdjusted());
    }

    @Test
    public void testGetLastPmntToBeAdjustedForAListWithOnePayment() {
        AccountBO account = new AccountBO(1);
        AccountPaymentEntity accountPaymentEntity = Mockito.mock(AccountPaymentEntity.class);

        ArrayList<AccountPaymentEntity> accountPayments = new ArrayList<AccountPaymentEntity>();
        accountPayments.add(accountPaymentEntity);

        account.setAccountPayments(accountPayments);
        Mockito.when(accountPaymentEntity.getAmount()).thenReturn(new Money(TestUtils.RUPEE, "100"));

        Assert.assertEquals(accountPaymentEntity, account.getLastPmntToBeAdjusted());
    }

    @Test
    public void testGetLastPmntToBeAdjustedReturnsNullIfNoNonZerPaymentIsDone() {
        AccountBO account = new AccountBO(1);
        AccountPaymentEntity accountPaymentEntity1 = Mockito.mock(AccountPaymentEntity.class);
        AccountPaymentEntity accountPaymentEntity2 = Mockito.mock(AccountPaymentEntity.class);
        AccountPaymentEntity accountPaymentEntity3 = Mockito.mock(AccountPaymentEntity.class);

        ArrayList<AccountPaymentEntity> accountPayments = new ArrayList<AccountPaymentEntity>();
        accountPayments.add(accountPaymentEntity1);
        accountPayments.add(accountPaymentEntity2);
        accountPayments.add(accountPaymentEntity3);

        account.setAccountPayments(accountPayments);
        when(accountPaymentEntity1.getAmount()).thenReturn(new Money(TestUtils.RUPEE, "0"));
        when(accountPaymentEntity2.getAmount()).thenReturn(new Money(TestUtils.RUPEE, "0"));
        when(accountPaymentEntity3.getAmount()).thenReturn(new Money(TestUtils.RUPEE, "0"));

        Assert.assertNull(account.getLastPmntToBeAdjusted());

    }

    @Test(expected = AccountException.class)
    public void testInvalidConnectionThrowsExceptionInUpdate() throws Exception {
        final LegacyAccountDao legacyAccountDao = mock(LegacyAccountDao.class);
        AccountBO accountBO = new AccountBO() {
            @Override
            public LegacyAccountDao getlegacyAccountDao() {
                return legacyAccountDao;
            }
        };
        when(legacyAccountDao.createOrUpdate(accountBO)).thenThrow(new PersistenceException("some exception"));

        // exercise test
        accountBO.update();
    }
}