add gripperpositiondetector to mockbot

Author: PetervDooren

robot_skills/src/robot_skills/mockbot.py

@@ -153,6 +153,7 @@ def __init__(self, robot_name, tf_buffer, get_joint_states, name):
         # add parts
         self.gripper = Gripper(robot_name, tf_buffer)
         self.handover_detector = HandoverDetector(robot_name, tf_buffer)
+        self.gripper_position_detector = GripperPositionDetector(robot_name, tf_buffer)
 
     def collect_gripper_types(self, gripper_type):
         return gripper_type
@@ -176,6 +177,12 @@ def __init__(self, robot_name, tf_buffer, *args, **kwargs):
         self.handover_to_robot = AlteredMagicMock()
 
 
+class GripperPositionDetector(MockedRobotPart):
+    def __init__(self, robot_name, tf_buffer, *args, **kwargs):
+        super(GripperPositionDetector, self).__init__(robot_name, tf_buffer)
+        self.detect = AlteredMagicMock(return_value=0.0)
+
+
 class Base(MockedRobotPart):
     def __init__(self, robot_name, tf_buffer, *args, **kwargs):
         super(Base, self).__init__(robot_name, tf_buffer)