我正在使用 Spring Boot v2.6.2 和 Java v17 并嘗試在沒有運行 MongoDBService 的情況下測驗我的 MongoConnection,因為它應該在構建機器上使用嵌入式記憶體 MongoDB 進行測驗,無需在那里設定額外的 MongoDB 服務。當然,在生產系統上,它應該使用完整的 MongoDB。
我嘗試讓這個簡單的示例運行:
@DataMongoTest
public class MongoTest
{
@Autowired
private UserRepository userRepository;
@AfterEach
void cleanUpDatabase()
{
this.userRepository.deleteAll();
}
@Test
void bootstrapTestDataWithMongoTemplate() {
final var restaurant = new User( "123", "ABC", "DEF" );
this.userRepository.insert( restaurant );
final var found = this.userRepository.findByFirstName( "ABC" );
System.out.println( found );
}
}
UserRepository是一個擴展的介面MongoRepository。User本身只是一個DBEntitywith@Document注釋。如果我讓 SpringBoot 應用程式運行,而不是在測驗模式下,一切正常,因為 MongoDB 正在指定位置運行。但是對于測驗,我想讓它作為記憶體資料庫運行。
但是 Springboot 想要連接進行測驗。
2022-01-20 08:31:57.489 INFO 3976 --- [ main] org.mongodb.driver.cluster : Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms'}
2022-01-20 08:31:57.521 INFO 3976 --- [localhost:27017] org.mongodb.driver.cluster : Exception in monitor thread while connecting to server localhost:27017
com.mongodb.MongoSocketOpenException: Exception opening socket
at com.mongodb.internal.connection.SocketStream.open(SocketStream.java:70) ~[mongodb-driver-core-4.4.0.jar:na]
at com.mongodb.internal.connection.InternalStreamConnection.open(InternalStreamConnection.java:180) ~[mongodb-driver-core-4.4.0.jar:na]
at com.mongodb.internal.connection.DefaultServerMonitor$ServerMonitorRunnable.lookupServerDescription(DefaultServerMonitor.java:188) ~[mongodb-driver-core-4.4.0.jar:na]
at com.mongodb.internal.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:152) ~[mongodb-driver-core-4.4.0.jar:na]
at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]
Caused by: java.net.ConnectException: Connection refused: no further information
at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na]
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:672) ~[na:na]
at java.base/sun.nio.ch.NioSocketImpl.timedFinishConnect(NioSocketImpl.java:542) ~[na:na]
at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:597) ~[na:na]
at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327) ~[na:na]
at java.base/java.net.Socket.connect(Socket.java:633) ~[na:na]
at com.mongodb.internal.connection.SocketStreamHelper.initialize(SocketStreamHelper.java:107) ~[mongodb-driver-core-4.4.0.jar:na]
at com.mongodb.internal.connection.SocketStream.initializeSocket(SocketStream.java:79) ~[mongodb-driver-core-4.4.0.jar:na]
at com.mongodb.internal.connection.SocketStream.open(SocketStream.java:65) ~[mongodb-driver-core-4.4.0.jar:na]
... 4 common frames omitted
關于如何做到這一點的任何建議?@DataMongoTest測驗方式不對嗎?我認為集成的 fladdoodle 依賴項會在測驗用例中自動注入它。
pom 本身也沒有那么復雜:
<properties>
<java.version>17</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>3.0.0</version>
</dependency>
<dependency>
<groupId>com.github.openjson</groupId>
<artifactId>openjson</artifactId>
<version>1.0.11</version>
</dependency>
<dependency>
<groupId>com.github.erosb</groupId>
<artifactId>everit-json-schema</artifactId>
<version>1.14.0</version>
</dependency>
</dependencies>
uj5u.com熱心網友回復:
該檔案指出:
2.2.4。嵌入式 Mongo
Spring Boot 為 Embedded Mongo 提供自動配置。要在 Spring Boot 應用程式中使用它,請添加對 de.flapdoodle.embed:de.flapdoodle.embed.mongo 的依賴項并設定 spring.mongodb.embedded.version 屬性以匹配您的應用程式將在生產中使用的 MongoDB 版本. 默認下載配置允許訪問 Embedded Mongo 的 Version 類中列出的大多數版本以及其他一些版本。嘗試下載服務器時,配置不可訪問的版本將導致錯誤。可以通過定義適當配置的 DownloadConfigBuilderCustomizer bean 來糾正此類錯誤。
Mongo 監聽的埠可以通過設定 spring.data.mongodb.port 屬性來配置。要使用隨機分配的空閑埠,請使用值 0。由 MongoAutoConfiguration 創建的 MongoClient 會自動配置為使用隨機分配的埠。如果您不配置自定義埠,則嵌入式支持默認使用隨機埠(而不是 27017)。
如果類路徑上有 SLF4J,Mongo 生成的輸出會自動路由到名為 org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongo 的記錄器。
您可以宣告自己的 IMongodConfig 和 IRuntimeConfig bean 來控制 Mongo 實體的配置和日志記錄路由。可以通過宣告 DownloadConfigBuilderCustomizer bean 來自定義下載配置。
因此,如果您希望它僅應用于測驗,請在 scope:test 中添加以下依賴項。
<dependency>
<groupId>de.flapdoodle.embed</groupId>
<artifactId>de.flapdoodle.embed.mongo</artifactId>
<scope>test</scope>
</dependency>
您還需要在 application.properties 檔案中設定版本:
spring.mongodb.embedded.version=4.0.21
https://docs.spring.io/spring-boot/docs/current/reference/html/data.html#data.nosql.mongodb.embedded
作業示例:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.6.2</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example.mongodb.embedded</groupId>
<artifactId>mongodb-app</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>mongodb-app</name>
<description>Demo project for usage of embedded mongodb</description>
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.16</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>de.flapdoodle.embed</groupId>
<artifactId>de.flapdoodle.embed.mongo</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<executions>
<execution>
<id>integration-test</id>
<goals>
<goal>test</goal>
</goals>
<phase>integration-test</phase>
<configuration>
<excludes>
<exclude>none</exclude>
</excludes>
<includes>
<include>**/*IT.java</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
用戶存盤庫:
public interface UserRepository extends MongoRepository<User, Long> {
//Spring converts this to Regex findByFirstnameRegex(String firstname) {"firstname" : {"$regex" : firstname }}
// automatically
public List<User> findByFirstName(String firstName);
}
用戶:
@Data
@Builder
public class User {
@Id
private Long id;
private String firstName;
private String lastName;
}
測驗:
@DataMongoTest
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
public class UserControllerIT {
@Autowired
private UserRepository userRepository;
@BeforeAll
public void setup(){
userRepository.save(User.builder().id(1L).firstName("James").lastName("Bond").build());
userRepository.save(User.builder().id(2L).firstName("James").lastName("Farley").build());
userRepository.save(User.builder().id(3L).firstName("Marley").lastName("Hemp").build());
userRepository.save(User.builder().id(4L).firstName("James").lastName("Bond").build());
}
@Test
public void test_getById_successfull() throws Exception {
Assertions.assertEquals("James", userRepository.findByFirstName("James").get(0).getFirstName());
}
}
src/test/resources/application.properties
spring.data.mongodb.database=test
spring.data.mongodb.port=27017
spring.mongodb.embedded.version=4.0.2
uj5u.com熱心網友回復:
感謝您的回答。
我試過這個,但似乎版本不兼容:
這是我的 application.properties
server.port=8085
spring.data.mongodb.uri=${MONGO_URI}
logging.level.root=INFO
spring.servlet.multipart.max-file-size=20MB
spring.servlet.multipart.max-requestsize=20MB
server.error.include-message=always
spring.mongodb.embedded.version=4.0.21
在這里,我在 pom 中添加了 flapdoodle
...
<artifactId>everit-json-schema</artifactId>
<version>1.14.0</version>
</dependency>
<dependency>
<groupId>de.flapdoodle.embed</groupId>
<artifactId>de.flapdoodle.embed.mongo</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
但是如果我開始單元測驗,就會出現很多類加載器錯誤
...
at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:121) ~[spring-boot-test-2.6.2.jar:2.6.2]
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) ~[spring-test-5.3.14.jar:5.3.14]
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:124) ~[spring-test-5.3.14.jar:5.3.14]
... 72 common frames omitted
Caused by: java.lang.IllegalStateException: Failed to introspect Class [org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration] from ClassLoader [jdk.internal.loader.ClassLoaders$AppClassLoader@659e0bfd]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:481) ~[spring-core-5.3.14.jar:5.3.14]
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:358) ~[spring-core-5.3.14.jar:5.3.14]
at org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java:414) ~[spring-core-5.3.14.jar:5.3.14]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.lambda$getTypeForFactoryMethod$2(AbstractAutowireCapableBeanFactory.java:765) ~[spring-beans-5.3.14.jar:5.3.14]
at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1708) ~[na:na]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java:764) ~[spring-beans-5.3.14.jar:5.3.14]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:703) ~[spring-beans-5.3.14.jar:5.3.14]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:674) ~[spring-beans-5.3.14.jar:5.3.14]
at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1670) ~[spring-beans-5.3.14.jar:5.3.14]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:570) ~[spring-beans-5.3.14.jar:5.3.14]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:542) ~[spring-beans-5.3.14.jar:5.3.14]
at org.springframework.boot.autoconfigure.condition.OnBeanCondition.collectBeanNamesForType(OnBeanCondition.java:238) ~[spring-boot-autoconfigure-2.6.2.jar:2.6.2]
at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getBeanNamesForType(OnBeanCondition.java:231) ~[spring-boot-autoconfigure-2.6.2.jar:2.6.2]
at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getBeanNamesForType(OnBeanCondition.java:221) ~[spring-boot-autoconfigure-2.6.2.jar:2.6.2]
at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchingBeans(OnBeanCondition.java:169) ~[spring-boot-autoconfigure-2.6.2.jar:2.6.2]
at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchOutcome(OnBeanCondition.java:144) ~[spring-boot-autoconfigure-2.6.2.jar:2.6.2]
at org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:47) ~[spring-boot-autoconfigure-2.6.2.jar:2.6.2]
... 88 common frames omitted
Caused by: java.lang.NoClassDefFoundError: de/flapdoodle/embed/process/distribution/IVersion
at java.base/java.lang.ClassLoader.defineClass1(Native Method) ~[na:na]
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012) ~[na:na]
at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150) ~[na:na]
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862) ~[na:na]
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760) ~[na:na]
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681) ~[na:na]
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639) ~[na:na]
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) ~[na:na]
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[na:na]
at java.base/java.lang.Class.getDeclaredMethods0(Native Method) ~[na:na]
at java.base/java.lang.Class.privateGetDeclaredMethods(Class.java:3402) ~[na:na]
at java.base/java.lang.Class.getDeclaredMethods(Class.java:2504) ~[na:na]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:463) ~[spring-core-5.3.14.jar:5.3.14]
... 104 common frames omitted
Caused by: java.lang.ClassNotFoundException: de.flapdoodle.embed.process.distribution.IVersion
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[na:na]
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) ~[na:na]
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[na:na]
... 117 common frames omitted
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