Add code coverage check

.github/workflows/maven.yml

@@ -35,4 +35,11 @@ jobs:
       - name: Update submodule
         run: git submodule update --init
       - name: Build with Maven
-        run: mvn --batch-mode --update-snapshots verify
+        run: mvn -Pcoverage --batch-mode --update-snapshots verify
+      - name: Upload coverage
+        uses: codecov/codecov-action@v5
+        with:
+          files: ./sdk-core/target/site/jacoco/jacoco.xml,./sdk-bulkwriter/target/site/jacoco/jacoco.xml
+          name: ubuntu-jacoco-coverage
+          disable_safe_directory: true
+          verbose: true

codecov.yml

@@ -0,0 +1,39 @@
+# Configuration for Codecov
+codecov:
+  require_ci_to_pass: no
+  notify:
+    require_ci_to_pass: no
+    wait_for_ci: false
+
+coverage:
+  precision: 2
+  round: down
+  range: "70...100"
+
+  status:
+    project:
+      default:
+        target: 70%
+        threshold: 0%
+    patch:
+      default:
+        target: 80%
+        threshold: 0%
+        if_ci_failed: error
+
+comment:
+  layout: "reach, diff, flags, files"
+  behavior: default
+  require_changes: false
+  branches:
+    - master
+
+ignore:
+  - .github
+  - benchmark
+  - doc
+  - examples
+  - tests
+  - "**/*.md"
+  - "**/*.yml"
+  - "**/*.yaml"

pom.xml

@@ -155,6 +155,7 @@
         <maven.surefire.plugin.version>2.19.1</maven.surefire.plugin.version>
         <maven.flatten.plugin.version>1.6.0</maven.flatten.plugin.version>
         <maven.deploy.plugin.version>3.1.3</maven.deploy.plugin.version>
+        <jacoco.maven.plugin.version>0.8.12</jacoco.maven.plugin.version>
         <junit.platform.version>1.1.0</junit.platform.version>
         <junit.jupiter.engine.version>5.10.1</junit.jupiter.engine.version>
         <gson.version>2.13.1</gson.version>
@@ -226,6 +227,44 @@
                 </plugins>
             </build>
         </profile>
+        <profile>
+            <id>coverage</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-surefire-plugin</artifactId>
+                        <version>${maven.surefire.plugin.version}</version>
+                        <configuration>
+                            <argLine>${jacocoArgLine}</argLine>
+                        </configuration>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.jacoco</groupId>
+                        <artifactId>jacoco-maven-plugin</artifactId>
+                        <version>${jacoco.maven.plugin.version}</version>
+                        <executions>
+                            <execution>
+                                <id>jacoco-prepare-agent</id>
+                                <goals>
+                                    <goal>prepare-agent</goal>
+                                </goals>
+                                <configuration>
+                                    <propertyName>jacocoArgLine</propertyName>
+                                </configuration>
+                            </execution>
+                            <execution>
+                                <id>jacoco-report</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>report</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
     </profiles>
 
     <build>