catch ConnectionRefusedError, so that it can fall back to DirectNode. (#1014)

Signed-off-by: Tomoya Fujita <[email protected]>

Author: fujitatomoya

ros2param/test/test_verb_dump.py

@@ -158,6 +158,8 @@ def setUp(self):
                     services = node.get_service_names_and_types_by_node(TEST_NODE, TEST_NAMESPACE)
                 except rclpy.node.NodeNameNonExistentError:
                     continue
+                except ConnectionRefusedError:
+                    continue
                 except xmlrpc.client.Fault as e:
                     if 'NodeNameNonExistentError' in e.faultString:
                         continue

ros2param/test/test_verb_list.py

@@ -129,6 +129,8 @@ def setUp(self):
                     services = node.get_service_names_and_types_by_node(TEST_NODE, TEST_NAMESPACE)
                 except rclpy.node.NodeNameNonExistentError:
                     continue
+                except ConnectionRefusedError:
+                    continue
                 except xmlrpc.client.Fault as e:
                     if 'NodeNameNonExistentError' in e.faultString:
                         continue

ros2param/test/test_verb_load.py

@@ -195,6 +195,8 @@ def setUp(self):
                     services = node.get_service_names_and_types_by_node(TEST_NODE, TEST_NAMESPACE)
                 except rclpy.node.NodeNameNonExistentError:
                     continue
+                except ConnectionRefusedError:
+                    continue
                 except xmlrpc.client.Fault as e:
                     if 'NodeNameNonExistentError' in e.faultString:
                         continue