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Adrian Maghear 2020-11-28 14:14:20 +01:00
parent 85db5610ea
commit f3d390b684
13 changed files with 373 additions and 0 deletions
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1
spring-cloud/spring-cloud-eureka/pom.xml
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<module>spring-cloud-eureka-server</module>
<module>spring-cloud-eureka-client</module>
<module>spring-cloud-eureka-feign-client</module>
<module>spring-cloud-eureka-feign-client-integration-test</module>
</modules>
<dependencies>

86
spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-cloud-eureka-feign-client-integration-test</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>spring-cloud-eureka-feign-client-integration-test</name>
<packaging>jar</packaging>
<description>Spring Cloud Eureka - Feign Client Integration Tests</description>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-eureka</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.junit</groupId>
<artifactId>junit-bom</artifactId>
<version>${junit-jupiter.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-parent</artifactId>
<version>${spring-cloud-dependencies.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
</dependency>
<!-- <dependency>-->
<!-- <groupId>org.springframework.cloud</groupId>-->
<!-- <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>-->
<!-- </dependency>-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>com.github.tomakehurst</groupId>
<artifactId>wiremock</artifactId>
<version>2.27.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>org.testcontainers</groupId>
<artifactId>testcontainers</artifactId>
<version>1.14.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.awaitility</groupId>
<artifactId>awaitility</artifactId>
<version>4.0.3</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

15
spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/src/main/java/com/baeldung/spring/cloud/Application.java Normal file
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package com.baeldung.spring.cloud;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.openfeign.EnableFeignClients;
@EnableFeignClients
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

16
spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/src/main/java/com/baeldung/spring/cloud/client/BooksClient.java Normal file
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package com.baeldung.spring.cloud.client;
import com.baeldung.spring.cloud.model.Book;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.RequestMapping;
import java.util.List;
//@FeignClient(value="simple-books-client", url="${book.service.url}")
@FeignClient("books-client")
public interface BooksClient {
@RequestMapping("/books")
List<Book> getBooks();
}

15
spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/src/main/java/com/baeldung/spring/cloud/model/Book.java Normal file
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package com.baeldung.spring.cloud.model;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Book {
private String title;
private String author;
}

12
spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/src/main/resources/application.yml Normal file
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#book:
# service:
# url: http://book.service.com
books-client:
ribbon:
eureka:
enabled: false
listOfServers: http://book.service.com
ServerListRefreshInterval: 15000
MaxAutoRetries: 3
retryableStatusCodes: 503, 408

49
spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/src/test/java/com/baeldung/spring/cloud/client/BooksClientIntegrationTest.java Normal file
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package com.baeldung.spring.cloud.client;
import com.baeldung.spring.cloud.Application;
import com.baeldung.spring.cloud.model.Book;
import com.netflix.discovery.EurekaClient;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.context.annotation.Lazy;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import java.util.List;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.awaitility.Awaitility.await;
import static org.junit.jupiter.api.Assertions.assertTrue;
@ActiveProfiles("test")
@EnableConfigurationProperties
@ExtendWith(SpringExtension.class)
@SpringBootTest(classes = Application.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
@ContextConfiguration(classes = {MockBookServiceConfig.class}, initializers = {EurekaContainerConfig.Initializer.class})
class BooksClientIntegrationTest {
@Autowired
private BooksClient booksClient;
@Autowired
@Lazy
private EurekaClient eurekaClient;
@BeforeEach
void setUp() {
await().atMost(60, SECONDS).until(() -> eurekaClient.getApplications().size() > 0);
}
@Test
public void whenGetBooks_thenListBooksSizeGreaterThanZero() throws InterruptedException {
List<Book> books = booksClient.getBooks();
assertTrue(books.size() == 1);
}
}

34
spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/src/test/java/com/baeldung/spring/cloud/client/EurekaContainerConfig.java Normal file
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package com.baeldung.spring.cloud.client;
import org.jetbrains.annotations.NotNull;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.test.util.TestPropertyValues;
import org.springframework.context.ApplicationContextInitializer;
import org.springframework.context.ConfigurableApplicationContext;
import org.testcontainers.containers.GenericContainer;
import org.testcontainers.lifecycle.Startables;
import java.util.stream.Stream;
public class EurekaContainerConfig {
public static class Initializer implements ApplicationContextInitializer<ConfigurableApplicationContext> {
public static GenericContainer eurekaServer
= new GenericContainer("springcloud/eureka")
.withExposedPorts(8761);
@Override
public void initialize(@NotNull ConfigurableApplicationContext configurableApplicationContext) {
Startables.deepStart(Stream.of(eurekaServer)).join();
TestPropertyValues
.of("eureka.client.serviceUrl.defaultZone=http://localhost:" + eurekaServer.getFirstMappedPort().toString() + "/eureka")
.applyTo(configurableApplicationContext);
}
}
}

54
spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/src/test/java/com/baeldung/spring/cloud/client/GreetingClientIntegrationTest.java Normal file
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package com.baeldung.spring.cloud.client;
import com.baeldung.spring.cloud.model.Book;
import com.github.tomakehurst.wiremock.WireMockServer;
import com.github.tomakehurst.wiremock.client.WireMock;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.springframework.util.StreamUtils;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.List;
import static org.junit.Assert.assertFalse;
@SpringBootTest
@ActiveProfiles("test")
@EnableConfigurationProperties
@ExtendWith(SpringExtension.class)
@ContextConfiguration(classes = {WireMockConfig.class})
class GreetingClientIntegrationTest {
@Autowired
private WireMockServer wireMockServer;
@Autowired
private BooksClient booksClient;
@BeforeEach
void setUp() throws IOException {
wireMockServer.stubFor(WireMock.get(WireMock.urlEqualTo("/books"))
.willReturn(WireMock.aResponse()
.withStatus(HttpStatus.OK.value())
.withHeader("Content-Type", MediaType.APPLICATION_JSON_VALUE)
.withBody(StreamUtils.copyToString(getClass().getClassLoader().getResourceAsStream("payload/get-books-response.json"), Charset.defaultCharset()))));
}
@Test
public void whenGetBooks_thenListBooksSizeGreaterThanZero() {
List<Book> books = booksClient.getBooks();
assertFalse(books.isEmpty());
}
}

31
spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/src/test/java/com/baeldung/spring/cloud/client/MockBookServiceConfig.java Normal file
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package com.baeldung.spring.cloud.client;
import com.baeldung.spring.cloud.model.Book;
import com.github.tomakehurst.wiremock.WireMockServer;
import com.netflix.loadbalancer.Server;
import com.netflix.loadbalancer.ServerList;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.context.TestConfiguration;
import org.springframework.cloud.netflix.ribbon.StaticServerList;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.Collections;
import java.util.List;
import static com.github.tomakehurst.wiremock.core.WireMockConfiguration.options;
@Configuration
@EnableAutoConfiguration
@RestController
public class MockBookServiceConfig {
@RequestMapping("/books")
public List<Book> getBooks() {
return Collections.singletonList(new Book("some title", "some author"));
}
}

29
spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/src/test/java/com/baeldung/spring/cloud/client/WireMockConfig.java Normal file
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package com.baeldung.spring.cloud.client;
import com.github.tomakehurst.wiremock.WireMockServer;
import com.netflix.loadbalancer.Server;
import com.netflix.loadbalancer.ServerList;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.TestConfiguration;
import org.springframework.cloud.netflix.ribbon.StaticServerList;
import org.springframework.context.annotation.Bean;
import static com.github.tomakehurst.wiremock.core.WireMockConfiguration.options;
@TestConfiguration
public class WireMockConfig {
@Autowired
private WireMockServer wireMockServer;
@Bean(initMethod = "start", destroyMethod = "stop")
public WireMockServer booksMockService() {
return new WireMockServer(options().dynamicPort());
}
@Bean
public ServerList<Server> ribbonServerList() {
return new StaticServerList<>(new Server("localhost", wireMockServer.port()));
}
}

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spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/src/test/resources/application-test.yml Normal file
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#book:
# service:
# url: http://localhost:9561
#books-client:
# ribbon:
# listOfServers: http://localhost:9561
spring:
application:
name: books-client
server:
port: 0
eureka:
client:
serviceUrl:
defaultZone: ${EUREKA_URI:http://localhost:8761/eureka}
instance:
preferIpAddress: true

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spring-cloud/spring-cloud-eureka/spring-cloud-eureka-feign-client-integration-test/src/test/resources/payload/get-books-response.json Normal file
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[
{
"title": "Dune",
"author": "Frank Herbert"
},
{
"title": "Foundation",
"author": "Isaac Asimov"
}
]