diff --git a/planning/obstacle_stop_planner/CMakeLists.txt b/planning/obstacle_stop_planner/CMakeLists.txt
index d31efe651281f..c439223fbedf6 100644
--- a/planning/obstacle_stop_planner/CMakeLists.txt
+++ b/planning/obstacle_stop_planner/CMakeLists.txt
@@ -42,6 +42,13 @@ rclcpp_components_register_node(obstacle_stop_planner
 if(BUILD_TESTING)
   find_package(ament_lint_auto REQUIRED)
   ament_lint_auto_find_test_dependencies()
+  find_package(launch_testing_ament_cmake REQUIRED)
+  add_launch_test(test/test_obstacle_stop_planner_node.test.py)
+
+  install(DIRECTORY
+    #test/config
+    DESTINATION share/${PROJECT_NAME}/
+  )
 endif()
 
 ament_auto_package(
@@ -49,3 +56,5 @@ ament_auto_package(
   config
   launch
 )
+
+
diff --git a/planning/obstacle_stop_planner/config/obstacle_stop_planner.param.yaml b/planning/obstacle_stop_planner/config/obstacle_stop_planner.param.yaml
index b9bada482694b..82a77203343f7 100644
--- a/planning/obstacle_stop_planner/config/obstacle_stop_planner.param.yaml
+++ b/planning/obstacle_stop_planner/config/obstacle_stop_planner.param.yaml
@@ -2,7 +2,7 @@
   ros__parameters:
     stop_planner:
       stop_margin: 5.0 # stop margin distance from obstacle on the path [m]
-      min_behavior_stop_margin: 2.0 # stop margin distance when any other stop point is inserted in stop margin [m]
+      min_behavior_stop_margin: 5.0 # stop margin distance when any other stop point is inserted in stop margin [m]
       step_length: 1.0 # step length for pointcloud search range [m]
       extend_distance: 0.0 # extend trajectory to consider after goal obstacle in the extend_distance
       expand_stop_range: 0.0 # margin of vehicle footprint [m]
@@ -10,7 +10,7 @@
     slow_down_planner:
       # slow down planner parameters
       forward_margin: 5.0 # margin distance from slow down point to vehicle front [m]
-      backward_margin: 5.0 # margin distance from slow down point to vehicle rear [m]
+      backward_margin: 0.0 # margin distance from slow down point to vehicle rear [m]
       expand_slow_down_range: 1.0 # offset from vehicle side edge for expanding the search area of the surrounding point cloud [m]
       max_slow_down_vel: 1.38 # max slow down velocity [m/s]
       min_slow_down_vel: 0.28 # min slow down velocity [m/s]
@@ -19,7 +19,7 @@
       consider_constraints: False # set "True", if no decel plan found under jerk/dec constrains, relax target slow down vel
       forward_margin_min: 1.0 # min margin for relaxing slow down margin [m/s]
       forward_margin_span: -0.1 # fineness param for relaxing slow down margin [m/s]
-      jerk_min_slow_down: -0.3 # min slow down jerk constraint [m/sss]
+      jerk_min_slow_down: -0.6 # min slow down jerk constraint [m/sss]
       jerk_span: -0.01 # fineness param for planning deceleration jerk [m/sss]
       jerk_start: -0.1 # init jerk used for deceleration planning [m/sss]
       slow_down_vel: 1.38 # target slow down velocity [m/s]
diff --git a/planning/obstacle_stop_planner/package.xml b/planning/obstacle_stop_planner/package.xml
index 45100bec069f6..2aa868fb1496a 100644
--- a/planning/obstacle_stop_planner/package.xml
+++ b/planning/obstacle_stop_planner/package.xml
@@ -31,6 +31,9 @@
   <depend>vehicle_info_util</depend>
   <depend>visualization_msgs</depend>
 
+  <test_depend>launch</test_depend>
+  <test_depend>launch_ros</test_depend>
+  <test_depend>launch_testing</test_depend>
   <test_depend>ament_lint_auto</test_depend>
   <test_depend>autoware_lint_common</test_depend>
 
diff --git a/planning/obstacle_stop_planner/src/node.cpp b/planning/obstacle_stop_planner/src/node.cpp
index e94d6dceab84e..1bc7142ea2390 100644
--- a/planning/obstacle_stop_planner/src/node.cpp
+++ b/planning/obstacle_stop_planner/src/node.cpp
@@ -560,6 +560,20 @@ void ObstacleStopPlannerNode::pathCallback(const Trajectory::ConstSharedPtr inpu
     return;
   }
 
+  if(!object_ptr_){
+    RCLCPP_WARN_THROTTLE(
+      get_logger(), *get_clock(), std::chrono::milliseconds(1000).count(),
+      "waiting for object...");
+    return;
+  }
+
+    if(!current_velocity_ptr_){
+    RCLCPP_WARN_THROTTLE(
+      get_logger(), *get_clock(), std::chrono::milliseconds(1000).count(),
+      "waiting for odometry...");
+    return;
+  }
+
   PlannerData planner_data{};
 
   getSelfPose(input_msg->header, tf_buffer_, planner_data.current_pose);
diff --git a/planning/obstacle_stop_planner/test/test_obstacle_stop_planner_node.test.py b/planning/obstacle_stop_planner/test/test_obstacle_stop_planner_node.test.py
new file mode 100755
index 0000000000000..60efb2e80ffd6
--- /dev/null
+++ b/planning/obstacle_stop_planner/test/test_obstacle_stop_planner_node.test.py
@@ -0,0 +1,274 @@
+# Copyright 2022 Tier IV, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from dataclasses import field
+import imp
+from operator import truediv
+import time
+import math
+import unittest
+import std_msgs.msg
+import sensor_msgs.msg
+import autoware_auto_planning_msgs.msg
+import autoware_auto_perception_msgs.msg
+import nav_msgs.msg
+import launch
+import launch_ros
+from launch_ros.substitutions import FindPackageShare
+import launch_testing
+import pytest
+import rclpy
+from rclpy.node import Node
+import copy
+import struct
+from ros2param.api import call_get_parameters
+
+@pytest.mark.launch_test
+
+def generate_test_description():
+    
+    obstacle_stop_planner_node = launch_ros.actions.Node(
+        package='obstacle_stop_planner',
+        executable='obstacle_stop_planner_node',
+        name='obstacle_stop_planner_node',
+        remappings=[
+            ('~/input/pointcloud', 'input/pointcloud'),
+            ('~/input/trajectory', 'input/trajectory'),
+            ('~/input/odometry', 'input/odometry'),
+            ('~/input/objects', 'input/objects'),
+            ('~/output/trajectory', 'output/trajectory')
+        ],
+        parameters=[
+            [FindPackageShare('vehicle_info_util'), '/config/vehicle_info.param.yaml'],
+            [FindPackageShare('obstacle_stop_planner'), '/config/obstacle_stop_planner.param.yaml'],
+            [FindPackageShare('obstacle_stop_planner'), '/config/common.param.yaml'],
+            [FindPackageShare('obstacle_stop_planner'), '/config/adaptive_cruise_control.param.yaml']
+        ],
+    )
+    static_transform_publisher_node = launch_ros.actions.Node(package = "tf2_ros", 
+        executable = "static_transform_publisher",
+        name='static_transform_publisher_node',
+        arguments = ["0", "0", "0", "0", "0", "0", "map", "base_link"])
+
+    return (
+        launch.LaunchDescription([
+            obstacle_stop_planner_node,
+            static_transform_publisher_node,
+            # Start tests right away - no need to wait for anything
+            launch_testing.actions.ReadyToTest(),
+        ]),
+        {
+            'obstacle_stop_planner': obstacle_stop_planner_node,
+            'static_transform_publisher': static_transform_publisher_node
+        }
+    )
+
+
+class TestObstacleStopPlannerLink(unittest.TestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        # Initialize the ROS context for the test node
+        rclpy.init()
+
+    @classmethod
+    def tearDownClass(cls):
+        # Shutdown the ROS context
+        rclpy.shutdown()
+
+    def setUp(self):
+        # Create a ROS node for tests
+        self.node = rclpy.create_node('test_object_stop_planner_link')
+        self.event_name = 'test_object_stop_planner'
+        params=call_get_parameters( node=self.node,
+                                    node_name='/obstacle_stop_planner_node',
+                                    parameter_names=[
+                                        'stop_planner.stop_margin',
+                                        'wheel_base',
+                                        'front_overhang',
+                                        'stop_planner.expand_stop_range',
+                                        'wheel_tread',
+                                        'left_overhang',
+                                        'right_overhang'
+                                        ])
+        self.stop_margin=params.values[0].double_value;
+        wheel_base=params.values[1].double_value;
+        front_overhang=params.values[2].double_value;
+        self.base_link_to_front=wheel_base+front_overhang
+        expand_stop_range=params.values[3].double_value;
+        wheel_tread=params.values[4].double_value;
+        left_overhang=params.values[5].double_value;
+        right_overhang=params.values[6].double_value;
+        self.left_limit_line=wheel_tread/2.0+left_overhang+expand_stop_range
+        self.right_limit_line=wheel_tread/2.0+right_overhang+expand_stop_range
+        
+
+    def tearDown(self):
+        self.node.destroy_node()
+
+    def init_messages(self):
+        #message init
+        #frame id
+        map_frame="map"
+        base_link_frame="base_link"
+        x=0
+        y=0
+        #pointcloud2 
+        self.pointcloud_msg=sensor_msgs.msg.PointCloud2()
+        self.pointcloud_msg.header.frame_id=base_link_frame
+        self.pointcloud_msg.header.stamp=self.node.get_clock().now().to_msg()
+        self.pointcloud_msg.height=1
+        self.pointcloud_msg.width=0
+        field=sensor_msgs.msg.PointField()
+        field.name="x"
+        field.offset=0
+        field.datatype=7
+        field.count=1
+        self.pointcloud_msg.fields.append(copy.deepcopy(field))
+        field.name="y"
+        field.offset=4
+        self.pointcloud_msg.fields.append(copy.deepcopy(field))
+        field.name="z"
+        field.offset=8
+        self.pointcloud_msg.fields.append(copy.deepcopy(field))
+        self.pointcloud_msg.is_bigendian=False
+        self.pointcloud_msg.point_step=16
+        self.pointcloud_msg.row_step=self.pointcloud_msg.width*self.pointcloud_msg.point_step
+        self.pointcloud_msg.is_dense=True
+
+        #trajectory
+        self.trajectory_resolution=0.1
+        self.trajectory_length=100.0
+        trajectory_element=int(self.trajectory_length/self.trajectory_resolution)
+        self.trajectory_msg=autoware_auto_planning_msgs.msg.Trajectory()
+        self.trajectory_msg.header.frame_id=map_frame
+        self.trajectory_msg.header.stamp=self.node.get_clock().now().to_msg()
+        for x in range(trajectory_element):
+            trajectory_point=autoware_auto_planning_msgs.msg.TrajectoryPoint()
+            trajectory_point.pose.position.x=x*self.trajectory_resolution
+            trajectory_point.pose.orientation.w=1.0
+            trajectory_point.longitudinal_velocity_mps=25/3
+            self.trajectory_msg.points.append(copy.deepcopy(trajectory_point))
+
+        #odometry
+        self.odom_msg=nav_msgs.msg.Odometry()
+        self.odom_msg.header.frame_id=map_frame
+        self.odom_msg.header.stamp=self.node.get_clock().now().to_msg()
+        self.odom_msg.child_frame_id=base_link_frame
+        self.odom_msg.pose.pose.orientation.w=1.0
+        self.odom_msg.twist.twist.linear.x=0.0
+
+        #object
+        self.object_msg=autoware_auto_perception_msgs.msg.PredictedObjects()
+        self.object_msg.header.frame_id=map_frame
+        self.object_msg.header.stamp=self.node.get_clock().now().to_msg()
+    
+    def set_pointcloud_messages(self,x,y):
+        self.pointcloud_msg.width=1
+        self.pointcloud_msg.row_step=self.pointcloud_msg.width*self.pointcloud_msg.point_step
+        self.pointcloud_msg.data=[]
+        for i in range(0,self.pointcloud_msg.width):
+            self.pointcloud_msg.data=self.point_to_list(x,y,i/2,0.0)+self.pointcloud_msg.data 
+
+    def point_to_list(self,x,y,z,i):
+        point_list=struct.pack('<f',float(x))+struct.pack('<f',float(y))+struct.pack('<f',float(z))+struct.pack('<f',float(i))
+        return point_list
+
+    def clip(self,val,min_val,max_val):
+        return max(min(val,max_val),min_val)
+
+    def trajectory_evaluation(self,x,y,trajectory):
+        if self.left_limit_line > y and y > -self.right_limit_line:
+            # Inside the trajectory
+            stop_line=self.clip(x-(self.stop_margin+self.base_link_to_front),0,self.trajectory_length)
+            stop_element=int(stop_line/self.trajectory_resolution)+1
+            check_vel=(trajectory.points[stop_element].longitudinal_velocity_mps == 0.0)
+            return check_vel
+        else:
+            # Outside the trajectory
+            check_vel=math.isclose(trajectory.points[-1].longitudinal_velocity_mps,self.trajectory_msg.points[-1].longitudinal_velocity_mps,abs_tol=0.01)
+            return check_vel
+
+    def trajectory_callback(self,msg):
+        result_val=self.trajectory_evaluation(self.current_x,self.current_y,msg)
+        #print("x:",self.current_x," , y:",self.current_y," , result:",result_val)
+        self.callback_flag=True
+        if result_val:
+            self.true_count+=1
+        else:
+            print("Test failed at (x:",self.current_x,", y:",self.current_y,")")
+
+    def test_linear_trajectory(self):
+        #publisher
+        pointcloud_pub = self.node.create_publisher(sensor_msgs.msg.PointCloud2, 'input/pointcloud', 10)
+        trajectory_pub = self.node.create_publisher(autoware_auto_planning_msgs.msg.Trajectory, 'input/trajectory', 10)
+        odom_pub = self.node.create_publisher(nav_msgs.msg.Odometry, 'input/odometry', 10)
+        object_pub = self.node.create_publisher(autoware_auto_perception_msgs.msg.PredictedObjects, 'input/objects', 10)
+        #subscliber
+        trajectory_sub = self.node.create_subscription(autoware_auto_planning_msgs.msg.Trajectory, 'output/trajectory', self.trajectory_callback, 10)
+
+        self.init_messages()
+
+        # param [m]
+        y_point_resolution=0.4
+        y_point_test_margin=0.5
+        x_point_resolution=10.0
+
+        self.current_x=0.0
+        self.current_y=0.0
+        self.callback_flag=False
+        self.true_count=0
+
+        #test points list 
+        test_point_x=list(range(0,int(self.trajectory_length/x_point_resolution),1))
+        test_point_x=[n*x_point_resolution for n in test_point_x]
+        test_point_y=list(range(-int((self.right_limit_line+y_point_test_margin)/y_point_resolution), int((self.left_limit_line+y_point_test_margin)/y_point_resolution), 1))
+        test_point_y=[n*y_point_resolution for n in test_point_y]
+        test_point_y.append(-self.right_limit_line)
+        test_point_y.append(self.left_limit_line)
+        #test_point_x.sort()
+        test_point_y.sort()
+
+        #while rclpy.ok():
+        for ix in test_point_x:
+            for iy in test_point_y:
+                self.current_x=float(ix)
+                self.current_y=float(iy)
+                self.set_pointcloud_messages(self.current_x,self.current_y)
+                
+                #update time stamp
+                self.object_msg.header.stamp=self.node.get_clock().now().to_msg()
+                self.odom_msg.header.stamp=self.node.get_clock().now().to_msg()
+                self.pointcloud_msg.header.stamp=self.node.get_clock().now().to_msg()
+                self.trajectory_msg.header.stamp=self.node.get_clock().now().to_msg()
+                
+                object_pub.publish(self.object_msg)
+                odom_pub.publish(self.odom_msg)
+                pointcloud_pub.publish(self.pointcloud_msg)
+                trajectory_pub.publish(self.trajectory_msg)
+
+                self.callback_flag=False
+                while not self.callback_flag:
+                    rclpy.spin_once(self.node, timeout_sec=0.1)
+        self.assertEqual(self.true_count,len(test_point_x)*len(test_point_y)) 
+
+
+@launch_testing.post_shutdown_test()
+class TestProcessOutput(unittest.TestCase):
+
+    def test_exit_code(self, proc_info):
+        # Check that all processes in the launch (in this case, there's just one) exit
+        # with code 0
+        launch_testing.asserts.assertExitCodes(proc_info)
+        
\ No newline at end of file