春季测试希望连接到数据库

问题描述

我正在尝试为我的应用程序编写一些测试,并且遇到以下问题: 我定义了具有以下内容的application-test.yml:

server:
  port: 8085

spring:
    security:
        oauth2:
            resourceserver:
                jwt:
                    # change localhost:8081 with container name
                    issuer-uri: http://localhost:8081/auth/realms/drivingschool
                    jwk-set-uri: http://localhost:8081/auth/realms/drivingschool/protocol/openid-connect/certs

keycloak:
    realm: drivingschool
    auth-server-url: http://localhost:8081/auth
    ssl-required: external
    resource: client-interface
    use-resource-role-mappings: true
    credentials:
        secret: xxx
    bearer-only: true

我的考试班:

@RunWith(SpringRunner.class)
@SpringBootTest
@AutoConfigureMockMvc
@ActiveProfiles("test")
public class StudentControllerTests {

    @Autowired
    private MockMvc mockMvc;

    @Autowired
    private StudentService service;

    @MockBean
    private StudentRepository repository;

    @Test
    public void contextLoads(){}
//more tests
}

该测试在我看到的日志中全部通过绿色BUT,但我的应用程序尝试连接到在我的(基本)应用程序中配置的数据库。yml。

ava.sql.SQLNonTransientConnectionException: Could not connect to address=(host=localhost)(port=9005)(type=master) : Socket fail to connect to host:localhost,port:9005. Verbindungsaufbau abgelehnt (Connection refused)
    at org.mariadb.jdbc.internal.util.exceptions.ExceptionFactory.createException(ExceptionFactory.java:73) ~[mariadb-java-client-2.6.1.jar:na]
    at org.mariadb.jdbc.internal.util.exceptions.ExceptionFactory.create(ExceptionFactory.java:192) ~[mariadb-java-client-2.6.1.jar:na]
jpa:
      database-platform: org.hibernate.dialect.MariaDBDialect
      hibernate:
        use-new-id-generator-mappings: false
        ddl-auto: create

    datasource:
      url: jdbc:mariadb://localhost:9005/waterloo
      username: waterloo
      password: xxx
      driver-class-name: org.mariadb.jdbc.Driver

在创建application-prod.yml并将所有内容从application.yml移至application-prod.yml时,它告诉我必须配置数据源URL

Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is org.springframework.boot.autoconfigure.jdbc.DataSourceProperties$DataSourceBeanCreationException: Failed to determine a suitable driver class

我有以下问题:

  1. application.yml文件是否分层(在application.yml顶部为* -test.yml设置)?
  2. 当我未在application-test.yml上设置数据源并在测试中模拟存储库时,为什么Spring会尝试建立与数据库的连接?
  3. Spring尝试在此部分建立连接是否正常? 3.1)如果不是:我如何防止这样做?

谢谢和亲切的问候!

解决方法

无法确定合适的驱动程序类别

您需要在gradle或maven文件中添加mariadb驱动程序依赖项。

https://mvnrepository.com/artifact/org.mariadb.jdbc/mariadb-java-client/2.6.2

确保依赖范围适用于测试

如果您已经拥有并且仍然无法正常工作,请尝试清理并重建您的项目。

您的问题:

将application.yml文件分层(* -test.yml设置在顶部) of application.yml)?

如果您将@ActiveProfiles("test")添加到您的TestClass中,Spring将尝试查找application-test.yml应用程序并覆盖具有给定属性的application.yml属性。

为什么我不在时Spring为什么尝试建立与数据库的连接 在我的application-test.yml上设置数据源并模拟 测试中的存储库?

那是Spring Boot的魔力-它具有所有功能的默认配置。您只需要设置Datasource属性,它将自行创建Bean。

Spring尝试在此部分建立连接是否正常? 3.1)如果不是:我如何防止这样做?

您将使用@SpringBootTest Annotation开始整个spring上下文。 因此它将启动所有存储库并尝试建立与数据库的连接。如果您不希望Spring启动数据库层,则可以使用@WebMvcTest

例如:

@RunWith(SpringRunner.class)
@WebMvcTest
@ActiveProfiles("test")
public class StudentControllerTests {

    @Autowired
    private MockMvc mockMvc;

    @Test
    public void contextLoads(){}

    //more tests
}

查看以下内容:https://spring.io/guides/gs/testing-web/

如果您需要启动整个SpringContext,还可以使用以下命令禁用Spring Data AutoConfiguration:

@SpringBootApplication(exclude = {
    DataSourceAutoConfiguration.class,DataSourceTransactionManagerAutoConfiguration.class,HibernateJpaAutoConfiguration.class
})

查看以下内容:https://www.baeldung.com/spring-data-disable-auto-config

,

缺少以下注释:

final AlertDialog.Builder saveDialog = new AlertDialog.Builder(this);
    save.setOnClickListener(new View.OnClickListener(){

        @Override
        public void onClick(View view) {
            if (view.getId() == R.id.savebtn) {


                saveDialog.setTitle("Save Drawing");
                saveDialog.setMessage("Save drawing to Gallery");
                saveDialog.setPositiveButton("Yes",new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface,int i) {
                        drawableView.setDrawingCacheEnabled(true);
                        String insertImage = MediaStore.Images.Media.insertImage(MainActivity.this.getContentResolver(),drawableView.getDrawingCache(),UUID.randomUUID().toString() + ".png","drawing");
                        if (insertImage!= null) {
                            Toast savedtoast = Toast.makeText(getApplicationContext(),"Drawing Saved to gallery!",Toast.LENGTH_SHORT);
                            savedtoast.show();
                        } else {
                            Toast unsaved = Toast.makeText(getApplicationContext(),"Drawing not saved!",Toast.LENGTH_SHORT);
                            unsaved.show();
                        }
                        drawableView.destroyDrawingCache();
                    }
                });
                saveDialog.setNegativeButton("No",int i) {
                        dialogInterface.cancel();
                    }
                });
                saveDialog.show();
            }
        }
    });

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