2) Integration test that contains classpath from both modules.

README.md

@@ -1 +1,3 @@
-1) Initial code
+1) Initial
+   code [rev:2b8fcd50](https://github.com/Fuud/integration-tests-article/commit/2b8fcd509151ebc83c24d2b4e9fd0b665eb82ded)
+2) Integration test module contains classpath from both microservices.

client-service/src/main/java/fuud/client/service/ClientServiceApplication.java

@@ -9,7 +9,7 @@
 public class ClientServiceApplication {
 
     public static void main(String[] args) {
-        SpringApplication.run(ClientServiceApplication.class, args);
+        SpringApplication.run(ClientServiceApplication.class, "--spring.config.name=application-client");
     }
 
 }

integration-tests/pom.xml

@@ -0,0 +1,46 @@
+<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>parent</artifactId>
+        <groupId>com.github.fuud.habr-article-microservices</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>integration-tests</artifactId>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.github.fuud.habr-article-microservices</groupId>
+            <artifactId>client-service</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
+        <dependency>
+            <groupId>com.github.fuud.habr-article-microservices</groupId>
+            <artifactId>worker-service</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.2</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.httpcomponents.client5</groupId>
+            <artifactId>httpclient5</artifactId>
+            <version>5.1.3</version>
+        </dependency>
+    </dependencies>
+
+</project>

integration-tests/src/test/java/fuud/test/TaskIntegrationTest.java

@@ -0,0 +1,33 @@
+package fuud.test;
+
+import fuud.client.service.ClientServiceApplication;
+import fuud.worker.service.WorkerServiceApplication;
+import org.junit.Test;
+
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+
+public class TaskIntegrationTest {
+    @Test
+    public void testTaskSubmission() throws Exception {
+        ClientServiceApplication.main(new String[0]);
+        WorkerServiceApplication.main(new String[0]);
+
+        HttpResponse<String> response = HttpClient.newBuilder().build().send(
+                HttpRequest.newBuilder()
+                        .method("POST", HttpRequest.BodyPublishers.ofString("{ \"data\":\"my-data\"}"))
+                        .header("Content-Type", "application/json")
+                        .uri(URI.create("http://localhost:8080/task"))
+                        .build(),
+                HttpResponse.BodyHandlers.ofString()
+        );
+
+        assertEquals(response.statusCode(), 200);
+        assertFalse(response.body().isBlank());
+    }
+}

pom.xml

@@ -11,6 +11,7 @@
     <modules>
         <module>client-service</module>
         <module>worker-service</module>
+        <module>integration-tests</module>
     </modules>
 
     <properties>

worker-service/src/main/java/fuud/worker/service/WorkerServiceApplication.java

@@ -4,12 +4,12 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
 
-@SpringBootApplication
+@SpringBootApplication()
 @ConfigurationPropertiesScan
 public class WorkerServiceApplication {
 
     public static void main(String[] args) {
-        SpringApplication.run(WorkerServiceApplication.class, args);
+        SpringApplication.run(WorkerServiceApplication.class, "--spring.config.name=application-worker");
     }
 
 }