Add support for test files

Author: MykolaYaremchuk

ide-common/src/main/java/org/digma/intellij/plugin/index/DocumentInfoIndex.java

@@ -92,11 +92,10 @@ public boolean acceptInput(@NotNull VirtualFile file) {
                 // reference to the project.
                 if (DocumentInfoIndex.this.project != null && !DocumentInfoIndex.this.project.isDisposed()) {
                     boolean isInSourceContent = ProjectFileIndex.getInstance(project).isInSourceContent(file);
-                    boolean isInTestSourceContent = ProjectFileIndex.getInstance(project).isInTestSourceContent(file);
                     boolean isExcluded = ProjectFileIndex.getInstance(project).isExcluded(file);
                     boolean hasModule = ProjectFileIndex.getInstance(project).getModuleForFile(file) != null;
 
-                    return hasModule && isInSourceContent && !isInTestSourceContent && !isExcluded;
+                    return hasModule && isInSourceContent && !isExcluded;
 
                 } else {
                     //LanguageService.isInSourceContent will call JavaFileElementType.isInSourceContent for java files

java/src/main/java/org/digma/intellij/plugin/idea/psi/java/JavaLanguageService.java

@@ -321,7 +321,6 @@ private boolean isRelevantFile(PsiFile psiFile) {
         return psiFile.isWritable() &&
                 isSupportedFile(project, psiFile) &&
                 !ProjectFileIndex.getInstance(project).isInLibrary(psiFile.getVirtualFile()) &&
-                !ProjectFileIndex.getInstance(project).isInTestSourceContent(psiFile.getVirtualFile()) &&
                 !DocumentInfoIndex.namesToExclude.contains(psiFile.getVirtualFile().getName());
     }
 
@@ -337,12 +336,6 @@ public boolean isIndexedLanguage() {
         String fileUri = PsiUtils.psiFileToUri(psiFile);
         Map<String, MethodInfo> methodInfoMap = new HashMap<>();
 
-
-        //currently we build an empty index for test sources, there is no easy way to exclude them from indexing
-        if (ProjectFileIndex.getInstance(project).isInTestSourceContent(psiFile.getVirtualFile())) {
-            return new DocumentInfo(fileUri, methodInfoMap);
-        }
-
         //it must be a PsiJavaFile so casting should be ok
         PsiJavaFile psiJavaFile = (PsiJavaFile) psiFile;