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Uni-Lab-OS/test/ros/msgs/test_conversion.py
Junhan Chang c78ac482d8 Initial commit
2025-04-17 15:19:47 +08:00

132 lines
3.8 KiB
Python

"""
转换测试
测试Python对象和ROS消息之间的转换功能。
"""
import unittest
from dataclasses import dataclass
from unilabos.ros.msgs.message_converter import (
convert_to_ros_msg,
convert_from_ros_msg,
convert_to_ros_msg_with_mapping,
convert_from_ros_msg_with_mapping,
Point,
Float64,
String,
Point3D,
Resource,
)
# 定义一些测试数据类
@dataclass
class TestPoint:
x: float = 0.0
y: float = 0.0
z: float = 0.0
class TestBasicConversion(unittest.TestCase):
"""测试基本类型转换"""
def test_primitive_conversion(self):
"""测试原始类型转换"""
# Float转换
float_value = 3.14
ros_float = convert_to_ros_msg(Float64, float_value)
self.assertEqual(ros_float.data, float_value)
# 反向转换
py_float = convert_from_ros_msg(ros_float)
self.assertEqual(py_float, float_value)
# 字符串转换
str_value = "hello"
ros_str = convert_to_ros_msg(String, str_value)
self.assertEqual(ros_str.data, str_value)
# 反向转换
py_str = convert_from_ros_msg(ros_str)
self.assertEqual(py_str, str_value)
def test_point_conversion(self):
"""测试点类型转换"""
# 创建Point3D对象
py_point = Point3D(x=1.0, y=2.0, z=3.0)
# 转换为ROS Point
ros_point = convert_to_ros_msg(Point, py_point)
self.assertEqual(ros_point.x, py_point.x)
self.assertEqual(ros_point.y, py_point.y)
self.assertEqual(ros_point.z, py_point.z)
# 反向转换
py_point_back = convert_from_ros_msg(ros_point)
self.assertEqual(py_point_back.x, py_point.x)
self.assertEqual(py_point_back.y, py_point.y)
self.assertEqual(py_point_back.z, py_point.z)
def test_dataclass_conversion(self):
"""测试dataclass转换"""
# 创建dataclass
test_point = TestPoint(x=1.0, y=2.0, z=3.0)
# 转换
ros_point = convert_to_ros_msg(Point, test_point)
self.assertEqual(ros_point.x, test_point.x)
self.assertEqual(ros_point.y, test_point.y)
self.assertEqual(ros_point.z, test_point.z)
class TestMappingConversion(unittest.TestCase):
"""测试映射转换功能"""
def test_mapping_conversion(self):
"""测试带映射的转换"""
# 创建测试数据
test_data = {
"position": {"x": 1.0, "y": 2.0, "z": 3.0},
"name": "test_resource",
"id": "123",
"type": "test_type",
}
# 定义映射
mapping = {
"id": "id",
"name": "name",
"type": "type",
"pose.position": "position",
}
# 转换为ROS资源
ros_resource = convert_to_ros_msg_with_mapping(Resource, test_data, mapping)
self.assertEqual(ros_resource.id, "123")
self.assertEqual(ros_resource.name, "test_resource")
self.assertEqual(ros_resource.type, "test_type")
self.assertEqual(ros_resource.pose.position.x, 1.0)
self.assertEqual(ros_resource.pose.position.y, 2.0)
self.assertEqual(ros_resource.pose.position.z, 3.0)
# 反向转换
reverse_mapping = {
"id": "id",
"name": "name",
"type": "type",
"pose.position": "position",
}
py_data = convert_from_ros_msg_with_mapping(ros_resource, reverse_mapping)
self.assertEqual(py_data["id"], "123")
self.assertEqual(py_data["name"], "test_resource")
self.assertEqual(py_data["type"], "test_type")
self.assertEqual(py_data["position"].x, 1.0)
self.assertEqual(py_data["position"].y, 2.0)
self.assertEqual(py_data["position"].z, 3.0)
if __name__ == "__main__":
unittest.main()