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JUnit 测试 MongoDB SpringBoot

[英]JUnit test MongoDB SpringBoot

 原文  2019-06-12 06:33:58  0   1    java/ mongodb/ spring-boot/ junit/ junit4

问题描述

我正在尝试使用 MongoDB embebed 在我的应用程序 SpringBoot 中进行测试，但是当我运行我的应用程序时出现错误，这是我的第一次，我从未使用 Springboot、mongodb、junit 进行测试...

首先我在我的 pom.xml 中添加这个依赖项：

    <dependency>
        <groupId>de.flapdoodle.embed</groupId>
        <artifactId>de.flapdoodle.embed.mongo</artifactId>
        <version>1.50.2</version>
        <scope>runtime</scope>
    </dependency>

有了这个依赖，我将嵌入 mongoDB（但我不知道这个版本是否正确......）

然后我创建了两个类java：

1º

@Configuration
@ComponentScan(excludeFilters = @ComponentScan.Filter(type = FilterType.ASSIGNABLE_TYPE, value = CommandLineRunner.class))
@EnableAutoConfiguration
public class TestApplicationConfiguration {

    @Bean 
    GenerarCsv service() {
        return new GenerarCsvImpl();
    }
}

在这个类中，我有我的接口，我将生成我的实现，现在是我的 2º 类 java：

import static org.junit.Assert.assertEquals;

import org.junit.After;
import org.junit.Before;
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.ActiveProfiles;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.batch.DesarrolloBatch.model.Documento;
import com.batch.DesarrolloBatch.persistence.DocumentoRepository;
import com.batch.DesarrolloBatch.service.interfaces.GenerarCsv;
import com.mongodb.MongoClient;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoDatabase;

import de.flapdoodle.embed.mongo.MongodExecutable;
import de.flapdoodle.embed.mongo.MongodProcess;
import de.flapdoodle.embed.mongo.MongodStarter;
import de.flapdoodle.embed.mongo.config.IMongodConfig;
import de.flapdoodle.embed.mongo.config.MongodConfigBuilder;
import de.flapdoodle.embed.mongo.config.Net;
import de.flapdoodle.embed.mongo.distribution.Version;
import de.flapdoodle.embed.process.runtime.Network;


@RunWith(SpringJUnit4ClassRunner.class)
@ActiveProfiles("test")
@SpringBootTest(classes=TestApplicationConfiguration.class)
public class GenerarDocumentoTest {

    @Autowired
    private GenerarCsv service; 

    @Autowired
    private DocumentoRepository repository;


    private static final String DATABASE_NAME = "documento";

    private MongodExecutable mongodExe;
    private MongodProcess mongod;
    private MongoClient mongo;

    @Before
    public void beforeEach() throws Exception {
        MongodStarter starter = MongodStarter.getDefaultInstance();
        String bindIp = "localhost";
        int port = 27017;
        IMongodConfig mongodConfig = new MongodConfigBuilder()
        .version(Version.Main.PRODUCTION)
        .net(new Net(bindIp, port, Network.localhostIsIPv6()))
        .build();
        this.mongodExe = starter.prepare(mongodConfig);
        this.mongod = mongodExe.start();
        this.mongo = new MongoClient(bindIp, port);
    }

    @After
    public void afterEach() throws Exception {
        if (this.mongod != null) {
            this.mongod.stop();
            this.mongodExe.stop();
        }
    }

    @Test
    public void shouldCreateNewObjectInEmbeddedMongoDb() {
        // given
        MongoDatabase db = mongo.getDatabase(DATABASE_NAME);
        db.createCollection("documento");
        MongoCollection<Documento> col = db.getCollection("documento", Documento.class);

        // when
        Documento doc = new Documento();
        doc.set_id("999999999999999999999999");
        col.insertOne(doc);

        // then
        assertEquals(1L, col.countDocuments());
    }

}

好的，在这个课程中，我在内存中使用 mongoDB 创建了 conexión，然后我尝试在 mongDB 中插入一个对象类型文档，最后我问我的 mongoDB 中是否有 1 个注册，但是，当我尝试运行此应用程序时出现错误 - >

 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117) ~[spring-test-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    ... 26 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'embeddedMongoServer' defined in class path resource [org/springframework/boot/autoconfigure/mongo/embedded/EmbeddedMongoAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.flapdoodle.embed.mongo.MongodExecutable]: Factory method 'embeddedMongoServer' threw exception; nested exception is de.flapdoodle.embed.process.exceptions.DistributionException: java.io.IOException: Could not open inputStream for http://downloads.mongodb.org/win32/mongodb-win32-x86_64-3.5.5.zip
    at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:627) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:607) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1321) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1160) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    ... 26 more
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.flapdoodle.embed.mongo.MongodExecutable]: Factory method 'embeddedMongoServer' threw exception; nested exception is de.flapdoodle.embed.process.exceptions.DistributionException: java.io.IOException: Could not open inputStream for http://downloads.mongodb.org/win32/mongodb-win32-x86_64-3.5.5.zip
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:622) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:607) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1321) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1160) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE]
Caused by: de.flapdoodle.embed.process.exceptions.DistributionException: java.io.IOException: Could not open inputStream for http://downloads.mongodb.org/win32/mongodb-win32-x86_64-3.5.5.zip
    at de.flapdoodle.embed.process.runtime.Starter.prepare(Starter.java:68) ~[de.flapdoodle.embed.process-1.50.1.jar:?]
    at org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration.embeddedMongoServer(EmbeddedMongoAutoConfiguration.java:116) ~[spring-boot-autoconfigure-2.1.4.RELEASE.jar:2.1.4.RELEASE]
    at org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration$$EnhancerBySpringCGLIB$$67c9dfd6.CGLIB$embeddedMongoServer$1(<generated>) ~[spring-boot-autoconfigure-2.1.4.RELEASE.jar:2.1.4.RELEASE]
    at org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration$$EnhancerBySpringCGLIB$$67c9dfd6$$FastClassBySpringCGLIB$$8d580d09.invoke(<generated>) ~[spring-boot-autoconfigure-2.1.4.RELEASE.jar:2.1.4.RELEASE]
    at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) ~[spring-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363) ~[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration$$EnhancerBySpringCGLIB$$67c9dfd6.embeddedMongoServer(<generated>) ~[spring-boot-autoconfigure-2.1.4.RELEASE.jar:2.1.4.RELEASE]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_171]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_171]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_171]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_171]
    ... 26 more
Caused by: java.io.IOException: Could not open inputStream for http://downloads.mongodb.org/win32/mongodb-win32-x86_64-3.5.5.zip
    at de.flapdoodle.embed.process.store.Downloader.downloadInputStream(Downloader.java:131) ~[de.flapdoodle.embed.process-1.50.1.jar:?]
    at de.flapdoodle.embed.process.store.Downloader.download(Downloader.java:69) ~[de.flapdoodle.embed.process-1.50.1.jar:?]
    at de.flapdoodle.embed.process.store.ArtifactStore.checkDistribution(ArtifactStore.java:66) ~[de.flapdoodle.embed.process-1.50.1.jar:?]
    at de.flapdoodle.embed.process.store.ExtractedArtifactStore.checkDistribution(ExtractedArtifactStore.java:60) ~[de.flapdoodle.embed.process-1.50.1.jar:?]
    at de.flapdoodle.embed.process.runtime.Starter.prepare(Starter.java:55) ~[de.flapdoodle.embed.process-1.50.1.jar:?]
Caused by: java.net.SocketTimeoutException: connect timed out
    at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) ~[?:1.8.0_171]
    at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source) ~[?:1.8.0_171]
    at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source) ~[?:1.8.0_171]

如果我在导航中复制这些链接“htpp ..... .zip”，我可以下载这些.zip，然后我不知道为什么SpringBoot不能下载.zip。

最后，我想重新注册，我不知道这样做，我是复制并粘贴其他人的帖子在谷歌。 如果有人知道如何在 Springboot 中使用 mongoDB 进行 Junit 测试是我的最终目标。 这是我第一次。 谢谢。

编辑：

我改变了我的依赖：

<dependency>
    <groupId>de.flapdoodle.embed</groupId>
    <artifactId>de.flapdoodle.embed.mongo</artifactId>
    <scope>test</scope>
</dependency>

现在，当我运行我的应用程序时，她正在下载，但始终是 0% 永远不会...

019-06-12 09:45:02.242  INFO 14372 --- [           main] c.b.D.GenerarDocumentoTest               : The following profiles are active: test
2019-06-12 09:45:03.108  INFO 14372 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.
2019-06-12 09:45:03.282  INFO 14372 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 166ms. Found 1 repository interfaces.
2019-06-12 09:45:04.005  INFO 14372 --- [           main] o.s.b.a.m.e.EmbeddedMongo                : Download Version{3.5.5}:Windows:B64 : starting...
2019-06-12 09:45:06.621  INFO 14372 --- [           main] o.s.b.a.m.e.EmbeddedMongo                : Download Version{3.5.5}:Windows:B64 : DownloadSize: 245893992
2019-06-12 09:45:08.809  INFO 14372 --- [           main] o.s.b.a.m.e.EmbeddedMongo                : Download Version{3.5.5}:Windows:B64 : 0 %

1 个解决方案

解决方案1
 3  2020-04-27 18:26:57

方法 de.flapdoodle.embed.process.store.LocalArtifactStore.getArtifact(IDownloadConfig runtime, Distribution distribution) 检查用户的本地文件夹，查看本地是否已经存在分发文件。 如果该方法不存在，则该方法将返回 null。

然后调用方法将尝试下载文件，超时，并抛出包装 IO 异常的 de.flapdoodle.embed.process.distribution.Distributon.DistributionException。

这会中断 spring boot 运行时注入和所有基于此失败的测试。

下载文件http://downloads.mongodb.org/win32/mongodb-win32-x86_64-3.5.5.zip

在 Windows 上，将其复制到您的用户文件夹，如下所示：c:\\users\\your_user_name\\.embeddedmongo\\win32\\mongodb-win32-x86_64-3.5.5.zip

现在运行您的测试，它会将嵌入式服务器可执行文件提取到 c:\\users\\your_user_name\\.embeddedmongo\\extracted\\Windows-B64--3.5.5\\extractmongod.exe

您的测试现在应该可以正常运行。

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