BAEL-6864 Code for the Maven Multi-Module Project Coverage with Jacoco article

maven-modules/jacoco-coverage-aggregation/controllers/pom.xml

@@ -0,0 +1,63 @@
+<?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">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung.jacoco-coverage-aggregation</groupId>
+    <artifactId>controllers</artifactId>
+    <name>controllers</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>jacoco-coverage-aggregation</artifactId>
+        <version>1.0</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.baeldung.jacoco-coverage-aggregation</groupId>
+            <artifactId>services</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <version>${spring-boot.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <version>${spring-boot.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-failsafe-plugin</artifactId>
+                <version>3.1.2</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>integration-test</goal>
+                            <goal>verify</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <includes>
+                        <include>**/*IntegrationTest.java</include>
+                    </includes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <spring-boot.version>3.0.9</spring-boot.version>
+    </properties>
+
+</project>

maven-modules/jacoco-coverage-aggregation/controllers/src/main/java/com/baeldung/coverageaggregation/MyApplication.java

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+package com.baeldung.coverageaggregation;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class MyApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(MyApplication.class, args);
+    }
+}

maven-modules/jacoco-coverage-aggregation/controllers/src/main/java/com/baeldung/coverageaggregation/MyController.java

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+package com.baeldung.coverageaggregation;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+class MyController {
+
+    private final MyService myService;
+
+    public MyController(MyService myService) {
+        this.myService = myService;
+    }
+
+    @GetMapping("/tested")
+    String fullyTested() {
+        return myService.coveredByUnitAndIntegrationTests();
+    }
+
+    @GetMapping("/indirecttest")
+    String indirectlyTestingServiceMethod() {
+        return myService.coveredByIntegrationTest();
+    }
+
+    @GetMapping("/nottested")
+    String notTested() {
+        return myService.notTested();
+    }
+
+}

maven-modules/jacoco-coverage-aggregation/controllers/src/test/java/com/baeldung/coverageaggregation/MyControllerIntegrationTest.java

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+package com.baeldung.coverageaggregation;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.context.annotation.Import;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+
+@SpringBootTest(classes = MyApplication.class)
+@AutoConfigureMockMvc
+class MyControllerIntegrationTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    void whenFullyTested_ThenCorrectText() throws Exception {
+        mockMvc.perform(MockMvcRequestBuilders.get("/tested"))
+          .andExpect(MockMvcResultMatchers.status()
+            .isOk())
+          .andExpect(MockMvcResultMatchers.content()
+            .string("covered by unit and integration tests"));
+    }
+
+    @Test
+    void whenIndirectlyTestingServiceMethod_ThenCorrectText() throws Exception {
+        mockMvc.perform(MockMvcRequestBuilders.get("/indirecttest"))
+          .andExpect(MockMvcResultMatchers.status()
+            .isOk())
+          .andExpect(MockMvcResultMatchers.content()
+            .string("covered by integration test"));
+    }
+
+}