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Testing MongoDB User Repository Operations in spring-boot-examples

This test suite validates MongoDB user repository operations in a Spring Boot application. It covers essential CRUD operations for user management, demonstrating the integration between Spring Boot and MongoDB for data persistence. The tests verify user creation, retrieval, updates, and deletion functionality.

Test Coverage Overview

The test suite provides comprehensive coverage of MongoDB user repository operations:

User creation and persistence testing
User retrieval by username verification
User information update validation
User deletion confirmation

Integration points include Spring Boot’s MongoDB configuration and repository layer interaction.

Implementation Analysis

The testing approach utilizes Spring Boot’s testing framework with JUnit 4. Tests are structured using @RunWith(SpringRunner.class) and @SpringBootTest annotations for proper Spring context loading. Each test method focuses on a specific CRUD operation, using direct repository method calls to validate functionality.

The implementation leverages Spring’s dependency injection for repository access and MongoDB’s document-based storage capabilities.

Technical Details

JUnit 4 testing framework
Spring Boot Test context
SpringRunner test executor
Autowired repository injection
MongoDB repository interface
User entity model

Best Practices Demonstrated

The test suite exemplifies several testing best practices in Spring Boot applications:

Isolated test methods for each operation
Clear test method naming conventions
Proper Spring Boot test configuration
Direct repository testing approach
Structured test data setup

ityouknow/spring-boot-examples

2.x/spring-boot-mongodb/spring-boot-mongodb/src/test/java/com/neo/repository/UserRepositoryTest.java

            
package com.neo.repository;

import com.neo.model.User;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

/**
 * Created by summer on 2017/5/5.
 */
@RunWith(SpringRunner.class)
@SpringBootTest
public class UserRepositoryTest {

    @Autowired
    private UserRepository userDao;

    @Test
    public void testSaveUser() throws Exception {
        User user=new User();
        user.setId(2l);
        user.setUserName("小明");
        user.setPassWord("fffooo123");
        userDao.saveUser(user);
    }

    @Test
    public void findUserByUserName(){
       User user= userDao.findUserByUserName("小明");
       System.out.println("user is "+user);
    }

    @Test
    public void updateUser(){
        User user=new User();
        user.setId(2l);
        user.setUserName("天空");
        user.setPassWord("fffxxxx");
        userDao.updateUser(user);
    }

    @Test
    public void deleteUserById(){
        userDao.deleteUserById(1l);
    }

}