fix: hemar: include object does not exists

package/c/hemar/hemar.c

@@ -1547,9 +1547,13 @@ render_template(TemplateNode *node, Jsonb *define, StringInfo result, MemoryCont
                         /* Get the include data from the context */
                         JsonbValue *include_data = jsonb_get_by_path_internal(define, include_path, context);
 
-                        elog(DEBUG1, "Include data: %s", JsonbToCString(NULL, &JsonbValueToJsonb(include_data)->root, VARSIZE_ANY_EXHDR(JsonbValueToJsonb(include_data))));
+                        if (!include_data)
+                        {
+                            elog(WARNING, "Include data not found");
+                            break;
+                        }
                         
-                        if (include_data != NULL && include_data->type == jbvBinary)
+                        if (include_data->type == jbvBinary)
                         {
                             JsonbIterator *it = JsonbIteratorInit((JsonbContainer *)include_data->val.binary.data);
                             JsonbIteratorToken token;

package/c/hemar/test/test_render_all.sql

@@ -9,6 +9,7 @@ DECLARE
 BEGIN
     -- Test 1: Complex template with all tag types
     total_tests := total_tests + 1;
+    BEGIN
         test_result := hemar.render(
             '{
                 "page": {
@@ -121,9 +122,13 @@ BEGIN
             RAISE WARNING 'Test %: Complex template with all tag types: FAILED. Expected "%", got "%"', 
                 total_tests, expected, test_result;
         END IF;
+    EXCEPTION WHEN OTHERS THEN
+        RAISE WARNING 'Test % failed: Error: %', total_tests, SQLERRM;
+    END;
         
         -- Test 2: Template with nested includes and shared context
     total_tests := total_tests + 1;
+    BEGIN
         test_result := hemar.render(
             '{
                 "user": {
@@ -159,9 +164,13 @@ BEGIN
             RAISE WARNING 'Test %: Template with nested includes and shared context: FAILED. Expected "%", got "%"', 
                 total_tests, expected, test_result;
         END IF;
+    EXCEPTION WHEN OTHERS THEN
+        RAISE WARNING 'Test % failed: Error: %', total_tests, SQLERRM;
+    END;
 
     -- Test 3: Template with execute tag using context from section
     total_tests := total_tests + 1;
+    BEGIN
         test_result := hemar.render(
             '{
                 "items": [
@@ -197,6 +206,9 @@ BEGIN
             RAISE WARNING 'Test %: Template with execute tag using context from section: FAILED. Expected "%", got "%"', 
                 total_tests, expected, test_result;
         END IF;
+    EXCEPTION WHEN OTHERS THEN
+        RAISE WARNING 'Test % failed: Error: %', total_tests, SQLERRM;
+    END;
 
     -- Print summary
     IF passed_tests = total_tests THEN

package/c/hemar/test/test_render_include.sql

@@ -177,6 +177,44 @@ BEGIN
         RAISE WARNING 'Test % failed: Should have raised an error for invalid include data', total_tests;
     END;
 
+    -- Test 8: Error handling - unexisting include object
+    total_tests := total_tests + 1;
+    BEGIN
+        result := hemar.render(
+                '{}'::jsonb,
+            '{{ include invalid_template }}'
+        );
+
+        IF result = '' THEN
+            RAISE NOTICE 'Test % passed: Error handling for unexisting include object works correctly', total_tests;
+            passed_tests := passed_tests + 1;
+        ELSE
+            RAISE WARNING 'Test % failed: Expected "", got "%"', total_tests, result;
+        END IF;
+    EXCEPTION WHEN OTHERS THEN
+        RAISE WARNING 'Test % failed: Should have raised an error for unexisting include object', total_tests;
+    END;
+
+    -- Test 9: Error handling - unexisting include data
+    total_tests := total_tests + 1;
+    BEGIN
+        result := hemar.render(
+                '{
+                    "include": { }
+                }'::jsonb,
+            '{{ include invalid_template }}'
+        );
+
+        IF result = '' THEN
+            RAISE NOTICE 'Test % passed: Error handling for unexisting include data works correctly', total_tests;
+            passed_tests := passed_tests + 1;
+        ELSE
+            RAISE WARNING 'Test % failed: Expected "", got "%"', total_tests, result;
+        END IF;
+    EXCEPTION WHEN OTHERS THEN
+        RAISE WARNING 'Test % failed: Should have raised an error for unexisting include data', total_tests;
+    END;
+
     IF passed_tests = total_tests THEN
         RAISE NOTICE '------------------------------------';
         RAISE NOTICE 'SUMMARY: % of % template include tests passed (100%%)',