Merge pull request #1496 from hcoles/feature/check_non_jvm_lang_dirs

Feature/check non jvm lang dirs

Author: hcoles

pitest-entry/src/main/java/org/pitest/mutationtest/build/intercept/RegionInterceptor.java

@@ -36,8 +36,9 @@ public void begin(ClassTree clazz) {
     @Override
     public Collection<MutationDetails> intercept(
             Collection<MutationDetails> mutations, Mutater m) {
+        var predicate = buildPredicate().negate();
         return mutations.stream()
-                .filter(buildPredicate().negate())
+                .filter(predicate)
                 .collect(Collectors.toList());
     }
 

pitest-maven/src/main/java/org/pitest/maven/NonEmptyProjectCheck.java

@@ -2,20 +2,40 @@
 
 import org.apache.maven.project.MavenProject;
 
+import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.function.Predicate;
 
 public class NonEmptyProjectCheck implements Predicate<MavenProject> {
 
   @SuppressWarnings("unchecked")
   @Override
   public boolean test(MavenProject project) {
-    return project.getTestCompileSourceRoots().stream().anyMatch(this::exists)
-        && project.getCompileSourceRoots().stream().anyMatch(this::exists);
+    var baseDir = project.getBasedir() != null ? project.getBasedir() : new File("");
+    return augmentTests(baseDir, project.getTestCompileSourceRoots()).stream().anyMatch(this::exists)
+        && augmentMain(baseDir, project.getCompileSourceRoots()).stream().anyMatch(this::exists);
   }
-  
+
+  // maven projects for other jvm languages are often not properly configured
+  // and don't declare their source directories
+  private List<String> augmentTests(File basedir, List<String> existing) {
+    var groovy = basedir.toPath().resolve("src/test/groovy");
+    var updated = new ArrayList<>(existing);
+    updated.add(groovy.toAbsolutePath().toString());
+    return updated;
+  }
+
+  private List<String> augmentMain(File basedir, List<String> existing) {
+    var groovy = basedir.toPath().resolve("src/main/groovy");
+    var updated = new ArrayList<>(existing);
+    updated.add(groovy.toAbsolutePath().toString());
+    return updated;
+  }
+
   private boolean exists(String root) {
     var p = Path.of(root);
       try {