Merge pull request #694 from bci-oss/655-validate-against-multiple-aspects-in-one-file

Update logic for validate 2 and more Aspects in one file

Author: Yauhenikapl

core/esmf-aspect-meta-model-java/src/main/java/org/eclipse/esmf/aspectmodel/loader/AspectModelLoader.java

@@ -480,6 +480,13 @@ public AspectModel loadAspectModelFiles( final Collection<AspectModelFile> input
             .filter( modelElement -> modelElement.is( Aspect.class ) )
             .findFirst()
             .ifPresent( aspect -> mergedModel.setNsPrefix( "", aspect.urn().getUrnPrefix() ) );
+      for ( AspectModelFile file : files ) {
+         if ( file.aspects().size() > 1 ) {
+            throw new AspectLoadingException(
+                  "Aspect model file " + file.sourceLocation().map( location -> location + " " ).orElse( "" ) + "contains " + file.aspects()
+                        .size() + " aspects, but may only contain one." );
+         }
+      }
       return new DefaultAspectModel( files, mergedModel, elements );
    }
 

core/esmf-aspect-meta-model-java/src/test/java/org/eclipse/esmf/aspectmodel/resolver/AspectModelResolverTest.java

@@ -21,21 +21,22 @@
 import java.io.File;
 import java.net.URISyntaxException;
 
+import org.eclipse.esmf.aspectmodel.AspectLoadingException;
 import org.eclipse.esmf.aspectmodel.loader.AspectModelLoader;
 import org.eclipse.esmf.aspectmodel.resolver.exceptions.ModelResolutionException;
-import org.eclipse.esmf.aspectmodel.resolver.services.TurtleLoader;
 import org.eclipse.esmf.aspectmodel.urn.AspectModelUrn;
 import org.eclipse.esmf.metamodel.AspectModel;
 import org.eclipse.esmf.metamodel.vocabulary.SammNs;
 import org.eclipse.esmf.samm.KnownVersion;
+import org.eclipse.esmf.test.InvalidTestAspect;
 import org.eclipse.esmf.test.TestModel;
+import org.eclipse.esmf.test.TestResources;
 
-import org.apache.jena.rdf.model.Model;
 import org.apache.jena.rdf.model.Resource;
 import org.apache.jena.vocabulary.RDF;
 import org.junit.jupiter.api.Test;
 
-public class AspectModelResolverTest {
+class AspectModelResolverTest {
    @Test
    void testLoadDataModelExpectSuccess() throws URISyntaxException {
       final File aspectModelsRootDirectory = new File(
@@ -118,13 +119,6 @@ void testResolveReferencedModelFromMemoryExpectSuccess() throws URISyntaxExcepti
 
       final ResolutionStrategy urnStrategy = new FileSystemStrategy( aspectModelsRootDirectory.toPath() );
 
-      final AspectModelUrn inputUrn = AspectModelUrn
-            .fromUrn( TestModel.TEST_NAMESPACE + "AnotherTest" );
-      final Model model = TurtleLoader.loadTurtle(
-            AspectModelResolverTest.class.getResourceAsStream(
-                  "/" + KnownVersion.getLatest().toString().toLowerCase()
-                        + "/org.eclipse.esmf.test/1.0.0/Test.ttl" ) ).get();
-
       final ResolutionStrategy inMemoryStrategy = new FromLoadedFileStrategy( AspectModelFileLoader.load(
             AspectModelResolverTest.class.getResourceAsStream(
                   "/" + KnownVersion.getLatest().toString().toLowerCase()
@@ -193,4 +187,15 @@ void testResolutionMissingModelElementExpectFailure() throws Throwable {
          final AspectModel result = new AspectModelLoader( urnStrategy ).load( testUrn );
       } ).isInstanceOf( ModelResolutionException.class );
    }
+
+   @Test
+   void getExceptionWhileLoadingModelWithTwoAspects() {
+      assertThatThrownBy( () -> {
+         TestResources.load( InvalidTestAspect.INVALID_ASPECT_WITH_TWO_ASPECTS );
+      } )
+            .isInstanceOf( AspectLoadingException.class )
+            .hasMessageContaining(
+                  "Aspect model file testmodel:invalid/org.eclipse.esmf.test/1.0.0/InvalidAspectWithTwoAspects.ttl contains 2 "
+                        + "aspects, but may only contain one." );
+   }
 }

core/esmf-test-aspect-models/src/main/java/org/eclipse/esmf/test/InvalidTestAspect.java

@@ -29,7 +29,9 @@ public enum InvalidTestAspect implements TestModel {
    INVALID_PREFERRED_NAME_DATATYPE,
    INVALID_CHARACTERISTIC_DATATYPE,
    RANGE_CONSTRAINT_WITH_WRONG_TYPE,
-   MODEL_WITH_CYCLES;
+   MODEL_WITH_CYCLES,
+
+   INVALID_ASPECT_WITH_TWO_ASPECTS;
 
    @Override
    public String getName() {

core/esmf-test-aspect-models/src/main/resources/invalid/org.eclipse.esmf.test/1.0.0/InvalidAspectWithTwoAspects.ttl

@@ -0,0 +1,29 @@
+# Copyright (c) 2025 Robert Bosch Manufacturing Solutions GmbH
+#
+# See the AUTHORS file(s) distributed with this work for additional
+# information regarding authorship.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+@prefix : <urn:samm:org.eclipse.esmf.test:1.0.0#>.
+@prefix samm: <urn:samm:org.eclipse.esmf.samm:meta-model:2.1.0#>.
+@prefix samm-c: <urn:samm:org.eclipse.esmf.samm:characteristic:2.1.0#>.
+@prefix unit: <urn:samm:org.eclipse.esmf.samm:unit:2.1.0#>.
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
+
+:Aspect1 a samm:Aspect;
+    samm:preferredName "Test Aspect1"@en;
+    samm:properties ();
+    samm:operations ();
+    samm:events ().
+
+:Aspect2 a samm:Aspect;
+    samm:preferredName "Test Aspect2"@en;
+    samm:properties ();
+    samm:operations ();
+    samm:events ().
+