SONARPY-2431: Enable parallel test execution (#2233)

Author: Seppli11

.cirrus.yml

@@ -167,8 +167,8 @@ ruling_task:
   <<: *ONLY_SONARSOURCE_QA
   eks_container:
     <<: *QA_CONTAINER_DEFINITION
-    cpu: 4
-    memory: 8G
+    cpu: 16
+    memory: 32G
   env:
     CIRRUS_CLONE_DEPTH: 10
     SONARSOURCE_QA: true
@@ -181,7 +181,7 @@ ruling_task:
     - source cirrus-env QA
     - source set_maven_build_version $BUILD_NUMBER
     - cd its/ruling
-    - mvn verify -Dsonar.runtimeVersion=LATEST_RELEASE -Dmaven.test.redirectTestOutputToFile=false -B -e -V -Dtest=PythonRulingTest
+    - mvn verify -Dsonar.runtimeVersion=LATEST_RELEASE -Dmaven.test.redirectTestOutputToFile=false -B -e -V -Dtest=PythonRulingTest -Djunit.jupiter.execution.parallel.config.dynamic.factor=1
   cleanup_before_cache_script: cleanup_maven_repository
 
 pr_analysis_qa_task:

its/ruling/src/test/java/org/sonar/python/it/PythonExtendedRulingTest.java

@@ -17,6 +17,9 @@
 package org.sonar.python.it;
 
 import com.sonar.orchestrator.build.SonarScanner;
+import com.sonar.orchestrator.version.Version;
+import com.sonar.orchestrator.build.SonarScannerInstaller;
+import com.sonar.orchestrator.config.Configuration;
 import com.sonar.orchestrator.junit5.OrchestratorExtension;
 import com.sonar.orchestrator.locator.FileLocation;
 import java.io.File;
@@ -26,17 +29,21 @@
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
+import org.junit.jupiter.api.parallel.Execution;
+import org.junit.jupiter.api.parallel.ExecutionMode;
 import org.sonarsource.analyzer.commons.ProfileGenerator;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.sonar.python.it.RulingHelper.getOrchestrator;
 
-// Ruling test for bug rules, to ensure they are properly tested without slowing down the CI
+@Execution(ExecutionMode.CONCURRENT)
 class PythonRulingTest {
 
+
   @RegisterExtension
   public static final OrchestratorExtension ORCHESTRATOR = getOrchestrator();
+  public static final Configuration CONFIGURATION = ORCHESTRATOR.getConfiguration();
 
   private static final String PROFILE_NAME = "rules";
 
@@ -52,6 +59,11 @@ static void prepare_quality_profile() {
     ORCHESTRATOR.getServer().restoreProfile(FileLocation.of(iPythonProfileFile));
   }
 
+  @BeforeAll
+  static void install_sonar_scanner() {
+    new SonarScannerInstaller(CONFIGURATION.locators()).install(Version.create(SonarScanner.DEFAULT_SCANNER_VERSION), CONFIGURATION.fileSystem().workspace());
+  }
+
   @Test
   void test_airflow() throws IOException {
     SonarScanner build = buildWithCommonProperties("airflow");

its/ruling/src/test/java/org/sonar/python/it/PythonRulingTest.java

@@ -0,0 +1,3 @@
+junit.jupiter.execution.parallel.enabled = true
+junit.jupiter.execution.parallel.config.strategy=dynamic
+junit.jupiter.execution.parallel.config.dynamic.factor=0.5