SpringBoot整合Spring Data JPA、MySQL、Druid并使用Mockito实现单元测试
一、Maven依赖
<parent>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-starter-parentartifactId>
<version>1.5.7.RELEASEversion>
<relativePath />
parent>
<properties>
<project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8project.reporting.outputEncoding>
<java.version>1.8java.version>
<druid.version>1.0.29druid.version>
<lombok.version>1.16.20lombok.version>
properties>
<build>
<plugins>
<plugin>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-maven-pluginartifactId>
<configuration>
<fork>truefork>
configuration>
plugin>
plugins>
build>
<dependencies>
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-starter-tomcatartifactId>
<scope>providedscope>
dependency>
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-starter-webartifactId>
dependency>
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-starter-testartifactId>
<scope>testscope>
dependency>
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-devtoolsartifactId>
<optional>trueoptional>
<scope>truescope>
dependency>
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-starter-data-jpaartifactId>
dependency>
<dependency>
<groupId>mysqlgroupId>
<artifactId>mysql-connector-javaartifactId>
dependency>
<dependency>
<groupId>com.alibabagroupId>
<artifactId>druidartifactId>
<version>${druid.version}version>
dependency>
<dependency>
<groupId>org.projectlombokgroupId>
<artifactId>lombokartifactId>
<version>${lombok.version}version>
<scope>providedscope>
dependency>
dependencies>二、配置文件（这里使用yml）
application.yml中：
spring:
profiles:
active: devapplication-dev.yml中：
server:
# 端口号
port: 8080
spring:
# 数据源配置
datasource:
driver-class-name: com.mysql.jdbc.Driver
url: jdbc:mysql://localhost:3306/spring-dev
username: root
password: 123456
# Druid连接池配置
type: com.alibaba.druid.pool.DruidDataSource
# 初始化
initialSize: 3
# 最大
maxActive: 20
# 最小
minIdle: 3
# 最大连接等待超时时间
maxWait: 60000
# 打开PSCache,并且指定每个连接PSCache的大小
poolPreparedStatements: true
maxPoolPreparedStatementPerConnectionSize: 20
validationQuery: select 'x'
testWhileIdle: true
testOnBorrow: false
testOnReturn: false
# 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒
timeBetweenEvictionRunsMillis: 60000
# 配置一个连接在池中最小生存的时间,单位是毫秒
minEvictableIdleTimeMillis: 300000
# 配置监控统计拦截的filters,去掉后监控界面sql将无法统计,'wall'用于防火墙
filters: stat, wall, log4j
# spring data jpa配置
jpa:
hibernate:
# 实体类有更新时，数据库表更新
ddl-auto: update
show-sql: true
format_sql: true
database-platform: org.hibernate.dialect.MySQL5InnoDBDialect
http:
# 过滤字符编码
encoding:
charset: UTF-8
enabled: true
force: true三、配置代码类
Druid监控
@Configuration
public class DruidConfig {
@Bean
public ServletRegistrationBean statViewServlet() {
// 创建servlet注册实体
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(),
"/druid/*");
// 设置ip白名单
servletRegistrationBean.addInitParameter("allow", "127.0.0.1");
// 设置ip黑名单,如果allow与deny共同存在时,deny优先于allow
servletRegistrationBean.addInitParameter("deny", "192.168.0.1");
// 设置控制台管理用户
servletRegistrationBean.addInitParameter("loginUsername", "admin");
servletRegistrationBean.addInitParameter("loginPassword", "123456");
// 是否可以重置数据
servletRegistrationBean.addInitParameter("resetEnable", "false");
return servletRegistrationBean;
}
@Bean
public FilterRegistrationBean statFilter() {
// 创建过滤器
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
// 设置过滤器过滤路径
filterRegistrationBean.addUrlPatterns("/*");
// 忽略过滤的形式
filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
return filterRegistrationBean;
}
}四、实体类
学生实体
@Data
@NoArgsConstructor
@AllArgsConstructor
@Entity(name = "student")
public class StudentEntity implements Serializable {
/**
* 序列化ID
*/
private static final long serialVersionUID = -3967265553147264980L;
/**
* 学生id
*/
@Id
@GeneratedValue
private Integer id;
/**
* 学生姓名
*/
private String name;
/**
* 学生年龄
*/
private Integer age;
}五、dao层
继承自JpaRepository即拥有CRUD
public interface StudentDao extends JpaRepository {
/**
* 根据年龄查询学生
*
* @param age
* @return
*/
List findStudentByAge(Integer age);
/**
* 根据年龄获取学生信息
*
* <@Query是用来配置自定义SQL的注解,后面参数nativeQuery =
* true才是表明了使用原生的sql,如果不配置,默认是false,则使用HQL查询方式。>
*
* @param age
* @return
*/
@Query(value = "select id,name,age from student where age = ?1", nativeQuery = true)
List getStudentByAge(Integer age);
} 六、使用Mocktio进行单元测试
测试基类
/**
* 测试基类 .
* ActiveProfiles表示加载指定配置文件
* SpringBootTest.WebEnvironment.RANDOM_POR 表示使用随机端口号
* Ignore表示本类或本方法不执行测试
*
* @author hkb
*/
@ActiveProfiles("test")
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
@Ignore
public class BaseTest {
}接口测试
public class StudentServiceTest extends BaseTest {
/**
* 学生信息接口-被测类
*/
@Autowired
private StudentService studentService;
/**
* 学生信息dao-模拟对象
*/
@MockBean
private StudentDao studentDao;
/**
* 学生实体
*/
private StudentEntity student;
/**
* 学生id
*/
private Integer id = -99;
/**
* 学生姓名
*/
private String studentName = "test";
/**
* 学生年龄
*/
private Integer studentAge = 20;
/**
* 所有测试方法执行之前执行该方法
*/
@Before
public void before() {
student = new StudentEntity(id, studentName, studentAge);
// 设置模拟对象的返回预期值
Mockito.when(studentDao.save(student)).thenReturn(student);
Mockito.when(studentDao.findOne(id)).thenReturn(student);
Mockito.when(studentDao.findStudentByAge(studentAge)).thenReturn(Lists.newArrayList(student));
Mockito.when(studentDao.getStudentByAge(studentAge)).thenReturn(Lists.newArrayList(student));
Mockito.when(studentDao.findAll()).thenReturn(Lists.newArrayList(student));
}
/**
* 测试添加
*/
@Test
public void addStudentTest() {
// 执行测试
int studentId = studentService.addStudent(student);
// 验证
Assert.assertThat(studentId, Matchers.is(id));
// 得到一个抓取器
ArgumentCaptor personCaptor = ArgumentCaptor.forClass(StudentEntity.class);
// 验证模拟对象的save()是否被调用一次,并抓取调用时传入的参数值
Mockito.verify(studentDao).save(personCaptor.capture());
// 获取抓取到的参数值
StudentEntity addStudent = personCaptor.getValue();
// 验证调用时的参数值
Assert.assertThat(studentName, Matchers.is(addStudent.getName()));
}
}