如何在Spring中使用Fongo (假芒果)进行集成测试

Question

我正在使用mongodb作为后端开发spring引导应用程序。

用于crud操作的蒙古存储库

我想用假芒果(fongo)进行集成测试。

我已经参考了从下面的链接使用fongo进行集成测试，但没有运气。

https://www.paradigmadigital.com/dev/tests-integrados-spring-boot-fongo/

集成测试试图连接到真正的数据库，而IT失败了

@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest(classes = { ConfigServerWithFongoConfiguration.class }, properties = {
        "server.port=8980" }, webEnvironment = WebEnvironment.DEFINED_PORT)
@AutoConfigureMockMvc
@TestPropertySource(properties = { "spring.data.mongodb.database=test" })
@DirtiesContext(classMode = DirtiesContext.ClassMode.AFTER_EACH_TEST_METHOD)
public class PersonControllerITest {

    @Autowired
    private MongoTemplate mongoTemplate;

    @Autowired
    private MockMvc mockMvc;

    private ObjectMapper jsonMapper;

    @Before
    public void setUp() {
        jsonMapper = new ObjectMapper();
    }

    @Test
    public void testGetPerson() throws Exception {

        Person personFongo = new Person();
        personFongo.setId(1);
        personFongo.setName("Name1");
        personFongo.setAddress("Address1");
        mongoTemplate.createCollection("person");
        mongoTemplate.insert(personFongo);

        ResultActions resultAction = mockMvc.perform(MockMvcRequestBuilders.get("http://localhost:8090/api/person/1"));
        resultAction.andExpect(MockMvcResultMatchers.status().is2xxSuccessful());
        MvcResult result = resultAction.andReturn();
        Person personResponse = jsonMapper.readValue(result.getResponse().getContentAsString(), Person.class);
        Assert.assertEquals(1, personResponse.getId());
        Assert.assertEquals("Name1", personResponse.getName());
        Assert.assertEquals("Address1", personResponse.getAddress());

    }

    @Test
    public void testCreatePerson() throws Exception {

        Person personRequest = new Person();
        personRequest.setId(1);
        personRequest.setName("Name1");
        personRequest.setAddress("Address1");

        String body = jsonMapper.writeValueAsString(personRequest);

        ResultActions resultAction = mockMvc.perform(MockMvcRequestBuilders.post("http://localhost:8090/api/person")
                .contentType(MediaType.APPLICATION_JSON).content(body));
        resultAction.andExpect(MockMvcResultMatchers.status().isCreated());

        Person personFongo = mongoTemplate.findOne(new Query(Criteria.where("id").is(1)), Person.class);
        Assert.assertEquals(personFongo.getName(), "Name1");
        Assert.assertEquals(personFongo.getAddress(), "Address1");
    }
}

在执行集成测试时，我会收到以下错误

   java.lang.IllegalStateException: Failed to load ApplicationContext
    
        at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:124)
        at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:83)
        at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:117)
        at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83)
        at org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener.prepareTestInstance(SpringBootDependencyInjectionTestExecutionListener.java:44)
        at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:230)
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:228)
    
    Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'securityConfig': Unsatisfied dependency expressed through field 'entitlementsRepository'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entitlementsRepository': Cannot resolve reference to bean 'mongoTemplate' while setting bean property 'mongoOperations'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoTemplate' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.core.MongoTemplate]: Factory method 'mongoTemplate' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoDbFactory' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.MongoDbFactory]: Factory method 'mongoDbFactory' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoClient' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mongodb.MongoClient]: Factory method 'mongoClient' threw exception; nested exception is java.lang.NullPointerException
        at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)
        at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
        at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
        ... 25 more
    Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entitlementsRepository': Cannot resolve reference to bean 'mongoTemplate' while setting bean property 'mongoOperations'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoTemplate' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.core.MongoTemplate]: Factory method 'mongoTemplate' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoDbFactory' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.MongoDbFactory]: Factory method 'mongoDbFactory' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoClient' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mongodb.MongoClient]: Factory method 'mongoClient' threw exception; nested exception is java.lang.NullPointerException
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:359)
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1531)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1276)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
        
        ... 44 more
    Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoTemplate' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.core.MongoTemplate]: Factory method 'mongoTemplate' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoDbFactory' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.MongoDbFactory]: Factory method 'mongoDbFactory' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoClient' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mongodb.MongoClient]: Factory method 'mongoClient' threw exception; nested exception is java.lang.NullPointerException
        at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1173)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1067)
        
        ... 57 more
    Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.core.MongoTemplate]: Factory method 'mongoTemplate' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoDbFactory' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.MongoDbFactory]: Factory method 'mongoDbFactory' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoClient' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mongodb.MongoClient]: Factory method 'mongoClient' threw exception; nested exception is java.lang.NullPointerException
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
        at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
        ... 66 more
    Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoDbFactory' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.MongoDbFactory]: Factory method 'mongoDbFactory' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoClient' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mongodb.MongoClient]: Factory method 'mongoClient' threw exception; nested exception is java.lang.NullPointerException
        at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1173)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1067)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
        
        ... 67 more
    Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.MongoDbFactory]: Factory method 'mongoDbFactory' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoClient' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mongodb.MongoClient]: Factory method 'mongoClient' threw exception; nested exception is java.lang.NullPointerException
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
        at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
        ... 89 more
    Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoClient' defined in class path resource [com/company/myapp/configs/MongoConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mongodb.MongoClient]: Factory method 'mongoClient' threw exception; nested exception is java.lang.NullPointerException
        at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1173)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1067)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
        at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.obtainBeanInstanceFromFactory(ConfigurationClassEnhancer.java:389)
        at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:361)
        at com.company.myapp.configs.MongoConfig$$EnhancerBySpringCGLIB$$33034a08.mongoClient(<generated>)
        at com.company.myapp.configs.MongoConfig.mongoDbFactory(MongoConfig.java:73)
        at com.company.myapp.configs.MongoConfig$$EnhancerBySpringCGLIB$$33034a08.CGLIB$mongoDbFactory$1(<generated>)
        at com.company.myapp.configs.MongoConfig$$EnhancerBySpringCGLIB$$33034a08$$FastClassBySpringCGLIB$$50ee8948.invoke(<generated>)
        at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
        at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:358)
        at com.company.myapp.configs.MongoConfig$$EnhancerBySpringCGLIB$$33034a08.mongoDbFactory(<generated>)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
        ... 90 more
    Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mongodb.MongoClient]: Factory method 'mongoClient' threw exception; nested exception is java.lang.NullPointerException
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
        at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
        ... 112 more
    Caused by: java.lang.NullPointerException
        at java.util.Hashtable.put(Hashtable.java:460)
        at java.util.Properties.setProperty(Properties.java:166)
        at java.lang.System.setProperty(System.java:796)
        at com.company.myapp.configs.MongoConfig.mongoClient(MongoConfig.java:78)
        at com.company.myapp.configs.MongoConfig$$EnhancerBySpringCGLIB$$33034a08.CGLIB$mongoClient$3(<generated>)
        at com.company.myapp.configs.MongoConfig$$EnhancerBySpringCGLIB$$33034a08$$FastClassBySpringCGLIB$$50ee8948.invoke(<generated>)
        at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
        at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:358)
        at com.company.myapp.configs.MongoConfig$$EnhancerBySpringCGLIB$$33034a08.mongoClient(<generated>)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
        ... 113 more

我的主Application.java

@SpringBootApplication(exclude = {MongoDataAutoConfiguration.class, MongoAutoConfiguration.class})
@EntityScan(basePackageClasses = Jsr310Converters.class)
@ComponentScan(basePackages = {"com.company.myapp", "com.company.myapp.repository"})
@AutoConfigureAfter(MongoConfig.class)
@EnableSwagger2
@EnableScheduling
public class Application
{
public class Application
{
    private static final Logger logger = LoggerFactory.getLogger(Application.class);

    @Value("${http.port}")
    int httpPort;

    @Value("${ssl.port}")
    int sslPort;

    @Value("${ssl.keystore.file}")
    String keyStoreFile;

    @Value("${ssl.keystore.password}")
    String keyStorePassword;

    @Autowired
    FileUtil fileUtil;

    public static void main(String[] args)
    {
        Runtime.getRuntime().addShutdownHook(new Thread() {                       
            @Override
            public void run() {
                logger.info("myapp server shutdown initiated");
                LogManager.shutdown();
                logger.info("myapp server shutdown completed");
            }
        });
        SpringApplication.run(Application.class, args);                          
    }

    @Bean
    public CompressingFilter compressingFilter()
    {
        return new CompressingFilter();
    }

    @Bean
    public EmbeddedServletContainerFactory servletContainer()
    {
        String keystore = "dev";

        TomcatEmbeddedServletContainerFactory tomcat = new TomcatEmbeddedServletContainerFactory();
        tomcat.addConnectorCustomizers((TomcatConnectorCustomizer) con -> {
                    //if ("true".equalsIgnoreCase(sslEnabled)) {
                    logger.info("----------------------------------------- Initialising ssl endpoint -------------------------------------");
                    Http11NioProtocol proto = (Http11NioProtocol) con.getProtocolHandler();
                    proto.setSSLEnabled(true);
                    con.setScheme("https");
                    con.setSecure(true);
                    con.setPort(sslPort);
                    proto.setKeystoreFile(fileUtil.getConfigFilePath(keyStoreFile));
                    proto.setKeystorePass(keystore);
                    proto.setKeyPass(keystore);
                    logger.info("---------------------------------------- Initialised ssl endpoint ----------------------------------------");
                    //}
                });

        tomcat.addAdditionalTomcatConnectors(createStandardConnector());
        return tomcat;
    }

    private Connector createStandardConnector()
    {
        Connector connector = new Connector("org.apache.coyote.http11.Http11NioProtocol");
        connector.setPort(httpPort);
        return connector;
    }
}

AbstractFongoBaseConfiguration.java

@EnableAutoConfiguration(exclude={MongoAutoConfiguration.class, MongoDataAutoConfiguration.class})
public abstract class AbstractFongoBaseConfiguration extends AbstractMongoConfiguration{

    @Autowired
    private Environment env;

    @Override
    protected String getDatabaseName() {
        return env.getRequiredProperty("spring.data.mongodb.database");
    }

    @Override
    public Mongo mongo() throws Exception {
        return new Fongo(getDatabaseName()).getMongo();
    }
}

ConfigServerWithFongoConfiguration.java

@EnableAutoConfiguration(exclude = { EmbeddedMongoAutoConfiguration.class, MongoAutoConfiguration.class,
        MongoDataAutoConfiguration.class })
@Configuration
@ComponentScan(basePackages = { "com.company.myapp" }, excludeFilters = {
        @ComponentScan.Filter(classes = { SpringBootApplication.class }) })
public class ConfigServerWithFongoConfiguration extends AbstractFongoBaseConfiguration {

}

请你提出建议，为解决这一问题需要做些什么？

Answer 1

我尝试过使用您的Integration代码和相同的配置文件。

但是对于AbstractFongoBaseConfiguration.class，我提供了下面的代码。

我已经删除了@EnableAutoConfiguration(exclude={MongoAutoConfiguration.class, MongoDataAutoConfiguration.class})的那条线。对我来说很好。

package com.company.myapp;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.data.mongodb.config.AbstractMongoConfiguration;

import com.github.fakemongo.Fongo;
import com.mongodb.Mongo;
//this exclude i had removed
public abstract class AbstractFongoBaseConfiguration extends AbstractMongoConfiguration{

    @Autowired
    private Environment env;

    @Override
    protected String getDatabaseName() {
        return env.getRequiredProperty("spring.data.mongodb.database");
    }

    @Override
    public Mongo mongo() throws Exception {
        return new Fongo(getDatabaseName()).getMongo();
    }
}

这里我用同样的代码附加了视频。

还有一点我想告诉您，让您的ConfigServerWithFongoConfiguration和AbstractFongoBaseConfiguration与PersonControllerITest类具有相同的测试目录包。

我还预先假定您的应用程序运行良好，并且只存在集成测试问题。

在这里，我已经成功地附加了运行测试用例屏幕。

​

Answer 2

Fongo似乎不再被维护了。如果可行的话，我会切换到测试容器( https://www.testcontainers.org/modules/databases/mongodb/ )

这是您要做的事情的更好的参考：https://www.baeldung.com/spring-boot-embedded-mongodb

您需要在测试中添加@AutoConfigureDataMongo。

Answer 3

在堆栈跟踪中，异常发生在"MongoConfig“类中。如图所示：

com.company.myapp.configs.MongoConfig.mongoClient(MongoConfig.java:78)

它向我表明，您的Spring配置链没有按您的意愿设置。看起来，在实际应用程序环境中使用的实际MongoConfig类仍在加载中。

如果没有完整的项目(或者实际上导致NullPointer的Config类)，几乎不可能对您的问题给出一个详细的答案。但是，我建议您创建一个特定的TestConfig spring配置类，这样您可以只包含希望成为测试上下文一部分的主配置类。

TLDR:查看配置设置，并找出为什么加载MongoConfig.java。如果它是要加载的，在这里包含它，这样人们就可以找出问题所在。