Add sonar cloud analysis in CI for java code

.github/workflows/dev-ci.yml

@@ -1,11 +1,7 @@
 name: Dev CI
 
 on:
-  push:
-    branches:
-      # on all branches except main where full build will be run
-      - '*'
-      - '!main'
+  pull_request:
 
 jobs:
   manylinux_build:
@@ -168,3 +164,32 @@ jobs:
       - name: Run doc examples
         working-directory: ./docs
         run: make html doctest SPHINXOPTS="-W"
+
+  build:
+    name: Run SonarCloud analysis for Java code
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@387ac29b308b003ca37ba93a6cab5eb57c8f5f93 # v4.0.0
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
+      - name: Build with Maven (Ubuntu)
+        working-directory: ./java
+        run: >
+          mvn --batch-mode -Pjacoco install
+
+      - name: Run SonarCloud analysis
+        working-directory: ./java
+        run: >
+          mvn --batch-mode -DskipTests sonar:sonar
+          -Dsonar.host.url=https://sonarcloud.io
+          -Dsonar.organization=powsybl-ci-github
+          -Dsonar.projectKey=powsybl_pypowsybl-java
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}

.github/workflows/full-ci.yml

@@ -4,8 +4,10 @@ on:
   push:
     branches:
       - main
+      - 'release-v**'
+      - 'full-sonar-analysis-**'
     tags:
-      - 'v*.*.*'
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
 
 jobs:
   manylinux_build:
@@ -245,3 +247,32 @@ jobs:
         run: |
           python -m pip install --user --upgrade twine
           python -m twine upload --username __token__ --password ${{ secrets.PYPI_TOKEN }} download/*/*.whl
+
+  build:
+    name: Run SonarCloud analysis for Java code
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@387ac29b308b003ca37ba93a6cab5eb57c8f5f93 # v4.0.0
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
+      - name: Build with Maven (Ubuntu)
+        working-directory: ./java
+        run: >
+          mvn --batch-mode -Pjacoco install
+
+      - name: Run SonarCloud analysis
+        working-directory: ./java
+        run: >
+          mvn --batch-mode -DskipTests sonar:sonar
+          -Dsonar.host.url=https://sonarcloud.io
+          -Dsonar.organization=powsybl-ci-github
+          -Dsonar.projectKey=powsybl_pypowsybl
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}

README.md

@@ -11,6 +11,9 @@
 The PyPowSyBl project gives access PowSyBl Java framework to Python developers. This Python integration relies on
 GraalVM to compile Java code to a native library.
 
+[![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=powsybl_pypowsybl-java&metric=alert_status)](https://sonarcloud.io/dashboard?id=powsybl_pypowsybl-java)
+[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=powsybl_pypowsybl-java&metric=coverage)](https://sonarcloud.io/dashboard?id=powsybl_pypowsybl-java)
+
 ## Documentation
 
 Latest version of the documentation with API reference and many code samples is [here](https://pypowsybl.readthedocs.io/).  

java/pom.xml

@@ -153,6 +153,32 @@
                 </plugins>
             </build>
         </profile>
+        <profile>
+            <id>jacoco</id>
+            <activation>
+                <activeByDefault>false</activeByDefault>
+            </activation>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.jacoco</groupId>
+                        <artifactId>jacoco-maven-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>report-aggregate</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>report</goal>
+                                </goals>
+                                <configuration>
+                                    <title>pypowsybl</title>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
     </profiles>
 
     <dependencyManagement>
@@ -169,7 +195,6 @@
 
     <dependencies>
         <!-- compile -->
-
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>

java/src/main/java/com/powsybl/python/report/ReportCUtils.java

@@ -21,6 +21,7 @@ private ReportCUtils() {
 
     public static ReportNode getReportNode(ObjectHandle reportNodeHandle) {
         ReportNode reportNode = ObjectHandles.getGlobal().get(reportNodeHandle);
+
         return reportNode != null ? reportNode : ReportNode.NO_OP;
     }
 }

tests/test_loadflow.py

@@ -338,3 +338,6 @@ def test_wrong_regulated_bus_id():
     pp.loadflow.run_ac(net)
     parameters = lf.ValidationParameters()
     validation = pp.loadflow.run_validation(net, validation_parameters=parameters)
+
+def test():
+    pass