Add jacoco and GitHub workflow

.github/workflows/main.yml

@@ -0,0 +1,35 @@
+name: Eventeum CI
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v3
+        with:
+          java-version: '21'
+          distribution: 'corretto'
+          cache: maven
+
+      - name: Build with Maven
+        run: mvn clean package
+
+      - name: Run tests
+        run: mvn verify
+
+      - name: Check Coverage
+        run: |
+          COVERAGE=$(cat coverage/target/site/jacoco-aggregate/index.html | grep -o 'Total.*[0-9]\{1,3\}%' | grep -o '[0-9]\{1,3\}%' | head -1 | sed 's/%//')
+          if [ "$COVERAGE" -lt 25 ]; then
+            echo "Coverage below 25%: $COVERAGE%"
+            exit 1
+          fi

core/pom.xml

@@ -69,6 +69,26 @@
                     </java>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.8.12</version>
+                <executions>
+                    <execution>
+                        <id>jacoco-initialize</id>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>jacoco-report</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 

coverage/pom.xml

@@ -0,0 +1,56 @@
+<?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>
+    <parent>
+        <groupId>io.eventeum</groupId>
+        <artifactId>eventeum</artifactId>
+        <version>${revision}</version>
+    </parent>
+
+    <artifactId>coverage</artifactId>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.eventeum</groupId>
+            <artifactId>eventeum-core</artifactId>
+            <version>${revision}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.eventeum</groupId>
+            <artifactId>eventeum-privacy-plugin</artifactId>
+            <version>${revision}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.eventeum</groupId>
+            <artifactId>eventeum-server</artifactId>
+            <version>${revision}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.8.12</version>
+                <executions>
+                    <execution>
+                        <id>jacoco-site-aggregate</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>report-aggregate</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

pom.xml

@@ -31,6 +31,7 @@
         <module>core</module>
         <module>server</module>
         <module>privacy-plugin</module>
+        <module>coverage</module>
     </modules>
 
     <properties>

privacy-plugin/pom.xml

@@ -82,4 +82,4 @@
         </plugins>
     </build>
 
-</project>
+</project>