tests fixes

Author: rashtao

src/main/java/com/arangodb/tinkerpop/gremlin/client/ArangoDBGraphClient.java

@@ -21,6 +21,7 @@
 import com.arangodb.tinkerpop.gremlin.persistence.EdgeData;
 import com.arangodb.tinkerpop.gremlin.persistence.VertexData;
 import com.arangodb.tinkerpop.gremlin.structure.*;
+import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalInterruptedException;
 import org.apache.tinkerpop.gremlin.structure.Direction;
 import org.apache.tinkerpop.gremlin.structure.Graph;
 import org.slf4j.Logger;
@@ -76,8 +77,14 @@ private ArangoDBExceptions() {
  * @param ex the ex
  * @return The ArangoDBClientException
  */
-
+ // FIXME: match errors on code and error num instead of pattern matching on message string
  public static ArangoDBGraphException getArangoDBException(ArangoDBException ex) {
+ if (ex.getCause() instanceof InterruptedException) {
+ TraversalInterruptedException ie = new TraversalInterruptedException();
+ ie.initCause(ex);
+ throw ie;
+ }
+
  String errorMessage = ex.getMessage();
  Matcher m = ERROR_CODE.matcher(errorMessage);
  if (m.matches()) {