Spring Testing 3.1: Context Configuration Inheritance For Annotation

Step 01:

package com.config.inheritance.annotation;

public class Department {
    private String departmentId;
    private String departmentName;

    public String getDepartmentId() {
        return departmentId;
    }

    public void setDepartmentId(String departmentId) {
        this.departmentId = departmentId;
    }

    public String getDepartmentName() {
        return departmentName;
    }

    public void setDepartmentName(String departmentName) {
        this.departmentName = departmentName;
    }
}

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Step 02:

package com.config.inheritance.annotation;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportResource;

@Configuration
// spring config that loads the properties file
@ImportResource(\\\"classpath:/properties-config.xml\\\")
public class DepartmentBeanApp {
    /**
     * Using property \\\'EL\\\' syntax to load values from the department.properties value
     */
    private @Value(\\\"#{departmentProperties[\\\'departmentBean.id\\\']}\\\")
    String departmentId;
    private @Value(\\\"#{departmentProperties[\\\'departmentBean.departmentname\\\']}\\\")
    String departmentName;

    @Bean(name = \\\"departmentBean\\\")
    public Department addDepartment() {
        Department department = new Department();
        department.setDepartmentId(departmentId);
        department.setDepartmentName(departmentName);
        return department;
    }
}

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Step 03:

package com.config.inheritance.annotation;

public class User {
    private String userName;
    private Long salary;

    public Long getSalary() {
        return salary;
    }

    public void setSalary(Long salary) {
        this.salary = salary;
    }

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }
}

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Step 04 
package com.config.inheritance.annotation;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportResource;

@Configuration
// spring config that loads the properties file
@ImportResource(\"classpath:/properties-config.xml\")
public class UserBeanApp {
    /**
     * Using property \'EL\' syntax to load values from the user.properties value
     */
    private @Value(\"#{userProperties[\'userBean.username\']}\")
    String userName;
    private @Value(\"#{userProperties[\'userBean.salary\']}\")
    Long salary;

    /*
     * Injected bean
     */
    @Bean(name = \"userBean\")
    public User addUser() {
        User user = new User();
        user.setUserName(userName);
        user.setSalary(salary);
        return user;
    }
}

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Step 05:

package com.config.inheritance.annotation.TEST;


import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.ImportResource;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.config.inheritance.annotation.User;
import com.config.inheritance.annotation.UserBeanApp;

@RunWith(SpringJUnit4ClassRunner.class)
// ApplicationContext will be loaded from UserBeanApp
@ContextConfiguration(classes = { UserBeanApp.class })
// spring config that loads the properties file
@ImportResource(\"classpath:/properties-config.xml\")
public class UserBeanTest {
    /**
     * Using property \'EL\' syntax to load values from the user.properties value
     */
    private @Value(\"#{userProperties[\'userBean.username\']}\")
    String userName;
    private @Value(\"#{userProperties[\'userBean.salary\']}\")
    Long salary;

    @Autowired
    User userBean;

    @Test
    public void testAddUser() {
        assertThat(userBean.getUserName(), equalTo(userName));
        assertThat(userBean.getSalary(), equalTo(salary));
    }
}

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Step 06:

package com.config.inheritance.annotation.TEST;

import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;

import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.ImportResource;
import org.springframework.test.context.ContextConfiguration;

import com.config.inheritance.annotation.Department;
import com.config.inheritance.annotation.DepartmentBeanApp;

@ContextConfiguration(classes = { DepartmentBeanApp.class })
@ImportResource(\"classpath:/properties-config.xml\")
public class DepartmentBeanTest extends UserBeanTest {

    /**
     * Using property \'EL\' syntax to load values from the department.properties
     * value
     */
    private @Value(\"#{departmentProperties[\'departmentBean.id\']}\")
    String departmentId;
    private @Value(\"#{departmentProperties[\'departmentBean.departmentname\']}\")
    String departmentName;

    @Autowired
    Department departmentBean;

    @Test
    public void testAddDepartment() {
        assertThat(departmentBean.getDepartmentId(), equalTo(departmentId));
        assertThat(departmentBean.getDepartmentName(), equalTo(departmentName));
    }
}

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