fix: add artifacts for catalog request message

artifacts/src/main/resources/catalog/catalog-request-message-schema.json

@@ -0,0 +1,32 @@
+{
+  "$schema": "https://json-schema.org/draft/2019-09/schema",
+  "title": "CatalogRequestMessageSchema",
+  "type": "object",
+  "allOf": [
+    {
+      "$ref": "#/definitions/CatalogRequestMessage"
+    }
+  ],
+  "$id": "https://w3id.org/dspace/2024/1/catalog/catalog-request-message-schema.json",
+  "definitions": {
+    "CatalogRequestMessage": {
+      "type": "object",
+      "properties": {
+        "@context": {
+          "$ref": "https://w3id.org/dspace/2024/1/common/context-schema.json"
+        },
+        "@type": {
+          "type": "string",
+          "const": "CatalogRequestMessage"
+        },
+        "filter": {
+          "type": "array"
+        }
+      },
+      "required": [
+        "@context",
+        "@type"
+      ]
+    }
+  }
+}

artifacts/src/main/resources/catalog/example/catalog-request-message.json

@@ -0,0 +1,7 @@
+{
+  "@context": [
+    "https://w3id.org/dspace/2024/1/context.json"
+  ],
+  "@type": "CatalogRequestMessage",
+  "filter": []
+}

artifacts/src/test/java/org/eclipse/dsp/context/catalog/CatalogContextTest.java

@@ -48,4 +48,10 @@ void verifyNestedCatalog() {
         verifyRoundTrip("/catalog/example/nested-catalog.json",
                 "/catalog/catalog-schema.json");
     }
+
+    @Test
+    void verifyCatalogRequestMessage() {
+        verifyRoundTrip("/catalog/example/catalog-request-message.json",
+                "/catalog/catalog-request-message-schema.json");
+    }
 }

artifacts/src/test/java/org/eclipse/dsp/schema/catalog/CatalogRequestMessageSchemaTest.java

@@ -0,0 +1,40 @@
+/*
+ *  Copyright (c) 2024 Metaform Systems, Inc.
+ *
+ *  This program and the accompanying materials are made available under the
+ *  terms of the Apache License, Version 2.0 which is available at
+ *  https://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Contributors:
+ *       Metaform Systems, Inc. - initial API and implementation
+ *       SAP SE - extension to catalog request message 
+ *
+ */
+
+package org.eclipse.dsp.schema.catalog;
+
+import org.eclipse.dsp.schema.fixtures.AbstractSchemaTest;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class CatalogRequestMessageSchemaTest extends AbstractSchemaTest {
+
+    @Test
+    void verifySchema() throws IOException {
+        var node = mapper.readTree(getClass().getResourceAsStream("/catalog/example/catalog-request-message.json"));
+        assertThat(schema.validate(node)).isEmpty();
+    }
+
+    @BeforeEach
+    void setUp() {
+        setUp("/catalog/catalog-request-message-schema.json");
+    }
+
+
+}