111 lines
4.4 KiB
Python
111 lines
4.4 KiB
Python
import unittest
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from unittest.mock import patch, MagicMock
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import sys
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import os
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# 添加项目根目录到Python路径
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
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from hardware.relay import RelayController
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class TestRelayController(unittest.TestCase):
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def setUp(self):
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"""测试前的准备工作"""
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self.relay_host = '192.168.250.62'
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self.relay_port = 50000
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self.relay = RelayController(host=self.relay_host, port=self.relay_port)
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def test_relay_initialization(self):
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"""测试继电器控制器初始化"""
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self.assertEqual(self.relay.host, self.relay_host)
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self.assertEqual(self.relay.port, self.relay_port)
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self.assertIsNotNone(self.relay.modbus_client)
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# 检查设备映射
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self.assertIn(RelayController.UPPER_TO_JBL, self.relay.device_bit_map)
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self.assertIn(RelayController.UPPER_TO_ZD, self.relay.device_bit_map)
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self.assertIn(RelayController.DOOR_LOWER_1, self.relay.device_bit_map)
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self.assertIn(RelayController.DOOR_LOWER_2, self.relay.device_bit_map)
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self.assertIn(RelayController.BREAK_ARCH_UPPER, self.relay.device_bit_map)
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self.assertIn(RelayController.BREAK_ARCH_LOWER, self.relay.device_bit_map)
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@patch('hardware.relay.socket.socket')
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def test_send_command_success(self, mock_socket_class):
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"""测试发送命令成功"""
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# 配置模拟对象
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mock_socket_instance = MagicMock()
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mock_socket_class.return_value.__enter__.return_value = mock_socket_instance
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mock_socket_instance.recv.return_value = b'\x00\x00\x00\x00\x00\x06\x01\x01\x00\x00'
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# 发送命令
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response = self.relay.send_command(self.relay.read_status_command)
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# 验证调用
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mock_socket_instance.connect.assert_called_once_with((self.relay_host, self.relay_port))
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mock_socket_instance.send.assert_called_once()
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self.assertIsNotNone(response)
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@patch('hardware.relay.socket.socket')
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def test_send_command_exception(self, mock_socket_class):
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"""测试发送命令异常处理"""
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# 配置模拟对象以引发异常
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mock_socket_class.return_value.__enter__.side_effect = Exception("网络错误")
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# 发送命令
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response = self.relay.send_command(self.relay.read_status_command)
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# 验证结果
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self.assertIsNone(response)
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def test_control_valid_device_action(self):
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"""测试控制有效设备和动作"""
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with patch.object(self.relay, 'send_command') as mock_send:
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# 测试打开上料斗门
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self.relay.control(RelayController.UPPER_TO_JBL, 'open')
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mock_send.assert_called_once()
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def test_control_invalid_device(self):
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"""测试控制无效设备"""
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with patch.object(self.relay, 'send_command') as mock_send:
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# 测试无效设备
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self.relay.control('invalid_device', 'open')
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mock_send.assert_not_called()
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def test_control_invalid_action(self):
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"""测试控制无效动作"""
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with patch.object(self.relay, 'send_command') as mock_send:
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# 测试无效动作
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self.relay.control(RelayController.UPPER_TO_JBL, 'invalid_action')
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mock_send.assert_not_called()
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@patch.object(RelayController, 'send_command')
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def test_get_status_success(self, mock_send_command):
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"""测试获取状态成功"""
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# 模拟返回的有效响应
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mock_send_command.return_value = b'\x00\x00\x00\x00\x00\x06\x01\x01\x00\x1F'
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status = self.relay.get_status()
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# 验证返回的状态字典
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self.assertIsInstance(status, dict)
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self.assertIn(RelayController.UPPER_TO_JBL, status)
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self.assertIn(RelayController.UPPER_TO_ZD, status)
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mock_send_command.assert_called_once_with(self.relay.read_status_command)
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@patch.object(RelayController, 'send_command')
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def test_get_status_failure(self, mock_send_command):
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"""测试获取状态失败"""
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# 模拟返回的无效响应
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mock_send_command.return_value = None
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status = self.relay.get_status()
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# 验证返回空状态
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self.assertIsInstance(status, dict)
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self.assertEqual(len(status), 0)
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if __name__ == '__main__':
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unittest.main() |