Junits Example

public class EmployeeService {

@Autowired
private EmployeeDao employeeDao;

public EmployeeService(EmployeeDao employeeDao){
this.employeeDao=employeeDao;
}

public void register(Employee employee) throws Exception {
validateEmployee(employee);
employeeDao.register(employee);
}

public boolean employeeExist(Employee employee) {
return employeeDao.employeeExist(employee);
}

public List<Employee> findAllEmployee() {
return employeeDao.findAllEmployee();
}

public List<Employee> findEmployeeUsingCriteia() {
return employeeDao.findEmployeeUsingCriteia();
}

public void deleteEmployee(int employeeId ) {
employeeDao.deleteEmployee(employeeId);
}

private void validateEmployee(Employee employee) throws Exception{
if(employeeDao.isUserNameExist(employee.getUsername())){
throw new Exception();
}
}



}

package com.bebo.service;

import junit.framework.Assert;

import org.junit.*;

import org.junit.runner.RunWith;

import org.mockito.Matchers;

import org.mockito.Mock;

import org.mockito.Mockito;

import org.mockito.runners.MockitoJUnitRunner;

import com.bebo.dao.EmployeeDao;

import com.bebo.model.Employee;

/*

 * @author Anil.Thakur

 */

@RunWith(MockitoJUnitRunner.class)

public class EmployeeServiceTest {

@Mock

private EmployeeDao employeeDao;

private EmployeeService employeeService;

@Before

public void setUp(){

employeeService = new EmployeeService(employeeDao);

Mockito.when(employeeDao.employeeExist(Matchers.any(Employee.class))).thenReturn(true);

}

@Test

public void testEmployeeExist() {

Employee employee =new  Employee();

employee.setAge(25);

boolean result = employeeService.employeeExist(employee);

Assert.assertEquals(true, result);

}

}