com.exp.tracker.services.impl.JasperReportGenerationServiceTests.java Source code

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/*
 * Copyright 2013 the original author or authors.
 *
 * 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 com.exp.tracker.services.impl;

import java.util.Calendar;
import java.util.Date;

import javax.servlet.ServletContext;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.jdbc.JdbcDaoImpl;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.webflow.execution.RequestContext;
import org.springframework.webflow.test.MockExternalContext;
import org.springframework.webflow.test.MockRequestContext;

import com.exp.tracker.data.model.ExpenseDetail;
import com.exp.tracker.data.model.SettlementBean;
import com.exp.tracker.data.model.UserBean;
import com.exp.tracker.data.model.UserShare;
import com.exp.tracker.services.api.EmailService;
import com.exp.tracker.services.api.ExpenseService;
import com.exp.tracker.services.api.ReportGenerationService;
import com.exp.tracker.services.api.SettlementService;
import com.exp.tracker.services.api.UserService;

public class JasperReportGenerationServiceTests extends AbstractExpenseTrackerBaseTest {

    private static JdbcDaoImpl userDetailService;
    private ExpenseDetail expenseDetail;

    @Autowired
    private ExpenseService expenseService;

    @Autowired
    private ReportGenerationService reportService;

    @Autowired
    private ApplicationContext appContext;

    @Autowired
    private UserService userService;

    @Autowired
    private SettlementService settlementService;

    @Autowired
    EmailService emailService;

    private ServletContext context;

    private RequestContext rCtx;

    @Before
    public void setup() {
        // Sanity check
        Assert.assertTrue("Expected an WebApplicationContext", appContext instanceof WebApplicationContext);
        WebApplicationContext ctx = (WebApplicationContext) appContext;
        context = ctx.getServletContext();

        // Set current user
        userDetailService = appContext.getBean(JdbcDaoImpl.class);
        UserDetails userDetails = userDetailService.loadUserByUsername("Admin");
        Authentication authToken = new UsernamePasswordAuthenticationToken(userDetails.getUsername(),
                userDetails.getPassword(), userDetails.getAuthorities());
        SecurityContextHolder.getContext().setAuthentication(authToken);
        rCtx = new MockRequestContext();
        MockExternalContext ec = new MockExternalContext();
        ec.setCurrentUser("Admin");
        ((MockRequestContext) rCtx).setExternalContext(ec);

        // Create two users
        // Add 1st user
        UserBean ub1 = new UserBean();
        ub1.setEmailId("a@b.com");
        ub1.setEnabled(true);
        ub1.setFirstName("Test1");
        ub1.setLastName("User1");
        ub1.setMiddleInit("1");
        ub1.setPassword("password");
        ub1.setUsername("reptusr1");
        UserBean userBean1 = userService.addUser(ub1, rCtx);
        Assert.assertNotNull("Failed to create user1.", userBean1);
        //
        // Add 2nd user
        UserBean ub2 = new UserBean();
        ub2.setEmailId("a@b.com");
        ub2.setEnabled(true);
        ub2.setFirstName("Test2");
        ub2.setLastName("User2");
        ub2.setMiddleInit("2");
        ub2.setPassword("password");
        ub2.setUsername("reptusr2");
        UserBean userBean2 = userService.addUser(ub2, rCtx);
        Assert.assertNotNull("Failed to create user2", userBean2);

        // Setup an expense
        ExpenseDetail ed = new ExpenseDetail();
        ed.setAmount(20.0F);
        ed.setCategory("Somecategory");
        ed.setCreatedBy("Admin");
        ed.setDate(new Date());
        ed.setDescription("Some Expense");
        ed.setPaidBy("reptusr1");
        ed.setSettlementId(null);
        // now set shares
        UserShare us1 = new UserShare("reptusr1", 10.0F, 0.0F, true);
        UserShare us2 = new UserShare("reptusr2", 10.0F, 0.0F, true);
        ed.getUserShares().add(us1);
        ed.getUserShares().add(us2);
        //
        expenseDetail = ed;
    }

    @Test
    public void reportGenerationTests() {
        // Save expense
        Assert.assertNotNull("Expense detail is null", expenseDetail);
        int result = expenseService.saveExpense(expenseDetail);
        Assert.assertTrue("Failed to save expense.", result == 0);

        // Create Settlement
        Date today = new Date();
        Calendar cal1 = Calendar.getInstance();
        cal1.setTime(today);
        cal1.add(Calendar.DAY_OF_MONTH, -1);
        Date yesterday = cal1.getTime();
        //
        Calendar cal2 = Calendar.getInstance();
        cal2.setTime(today);
        cal2.add(Calendar.DAY_OF_MONTH, 1);
        Date tomorrow = cal2.getTime();
        SettlementBean sb = new SettlementBean();
        sb.setStartDate(yesterday);
        sb.setEndDate(tomorrow);
        // Persist object
        Long sid = settlementService.createSettlement(sb, rCtx);
        Assert.assertTrue("Failed to create settlement", sid != 0L);

        // Get report paths
        String settlementReportTemplatePath = context
                .getRealPath(JasperReportGenerationService.SETTLEMENT_REPORT_FILE_NAME);
        String expenseReportTemplatePath = context
                .getRealPath(JasperReportGenerationService.EXPENSE_REPORT_FILE_NAME);
        // get settlement report
        byte[] srBytes = reportService.genSettlementReportInternal(sid, settlementReportTemplatePath);
        Assert.assertNotNull("Failed to create settlement report", srBytes);
        Assert.assertTrue("Empty settlement report", srBytes.length != 0);
        byte[] erBytes = reportService.genExpenseReportInternal(sid, expenseReportTemplatePath);
        emailService.sendSettlementEmail(sid, srBytes, erBytes);

        Assert.assertNotNull("Failed to create expense report", erBytes);
        Assert.assertTrue("Empty expense report", erBytes.length != 0);

    }
}