Add test Reproducing #241

sparql-anything-it/src/test/java/com/github/sparqlanything/it/Issues.java

@@ -33,6 +33,7 @@
 import org.apache.jena.rdf.model.Model;
 import org.apache.jena.sparql.engine.main.QC;
 import org.junit.Assert;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -310,4 +311,17 @@ public void testIssue194() throws URISyntaxException, IOException {
 		assertTrue(QueryExecutionFactory.create(queryStr, ds).execSelect().hasNext());
 	}
 
+	/**
+	 * TODO See #241 - Currently returns results but ends with a SOE
+	 */
+	@Ignore
+	@Test
+	public void testIssue241() throws Exception {
+		String queryStr = IOUtils.toString(getClass().getClassLoader().getResource("issues/issue241.sparql").toURI(),
+				StandardCharsets.UTF_8);
+		Dataset ds = DatasetFactory.createGeneral();
+		QC.setFactory(ARQ.getContext(), FacadeX.ExecutorFactory);
+		System.out.println(ResultSetFormatter.asText(QueryExecutionFactory.create(queryStr, ds).execSelect()));
+		//assertTrue(QueryExecutionFactory.create(queryStr, ds).execSelect().hasNext());
+	}
 }

sparql-anything-it/src/test/resources/issues/issue241.sparql

@@ -0,0 +1,29 @@
+PREFIX  fx:   <http://sparql.xyz/facade-x/ns/>
+PREFIX  rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX  xyz:  <http://sparql.xyz/facade-x/data/>
+
+SELECT  *
+WHERE
+  { SERVICE <x-sparql-anything:>
+      { 
+		SERVICE <x-sparql-anything:>
+          { fx:properties
+                      fx:command     "echo 4,5,6" ;
+                      fx:media-type  "text/csv" .
+            ?s        ?p             ?num .
+            # BIND(bnode() AS ?bob)           # breaks
+            # BIND(struuid() AS ?bob)         # breaks
+            # BIND(concat("a","b") AS ?bob)   # works
+            # BIND("lala" AS ?bob)            # works
+        }
+
+		BIND(concat("seq ", ?num) AS ?second_cmd)
+
+		fx:properties
+                  fx:command     ?second_cmd ;
+                  fx:media-type  "text/plain" ;
+                  fx:txt.split   "\n" .
+
+        ?ss       ?pp            ?oo
+      }
+  }