Tools: Extracts parameter default values from an ArduPilot .bin file.

Supports Mission Planner, MAVProxy and QGCS file format output

Contains unittests with 95% coverage

Amilcar do Carmo Lucas, IAV GmbH

.github/workflows/test_unit_tests.yml

@@ -147,6 +147,15 @@ jobs:
           fi
           PATH="/github/home/.local/bin:$PATH"
           Tools/scripts/build_ci.sh
+      - name: Unittest extract_param_defaults
+        env:
+          PYTHONPATH: "${{ github.workspace }}/Tools/scripts:${{ github.workspace }}/modules/mavlink/pymavlink"
+        run: |
+          if [[ ${{ matrix.config }} == "unit-tests" ]]; then
+            Tools/autotest/unittest/extract_param_defaults_unittest.py
+          else
+            echo ${{matrix.config}} does not have pymavlink
+          fi
 
       - name: Archive buildlog artifacts
         uses: actions/upload-artifact@v3

Tools/autotest/unittest/extract_param_defaults_unittest.py

@@ -0,0 +1,310 @@
+#!/usr/bin/python3
+
+'''
+Extracts parameter default values from an ArduPilot .bin log file. Unittests.
+
+AP_FLAKE8_CLEAN
+
+Amilcar do Carmo Lucas, IAV GmbH
+'''
+
+import unittest
+from unittest.mock import patch, MagicMock
+from extract_param_defaults import extract_parameter_default_values, missionplanner_sort, \
+                                   mavproxy_sort, sort_params, output_params, parse_arguments, \
+                                   NO_DEFAULT_VALUES_MESSAGE, MAVLINK_SYSID_MAX, MAVLINK_COMPID_MAX
+
+
+class TestArgParseParameters(unittest.TestCase):
+    def test_command_line_arguments_combinations(self):
+        # Check the 'format' and 'sort' default parameters
+        args = parse_arguments(['dummy.bin'])
+        self.assertEqual(args.format, 'missionplanner')
+        self.assertEqual(args.sort, 'missionplanner')
+
+        # Check the 'format' and 'sort' parameters to see if 'sort' can be explicitly overwritten
+        args = parse_arguments(['-s', 'none', 'dummy.bin'])
+        self.assertEqual(args.format, 'missionplanner')
+        self.assertEqual(args.sort, 'none')
+
+        # Check the 'format' and 'sort' parameters to see if 'sort' can be implicitly overwritten (mavproxy)
+        args = parse_arguments(['-f', 'mavproxy', 'dummy.bin'])
+        self.assertEqual(args.format, 'mavproxy')
+        self.assertEqual(args.sort, 'mavproxy')
+
+        # Check the 'format' and 'sort' parameters to see if 'sort' can be implicitly overwritten (qgcs)
+        args = parse_arguments(['-f', 'qgcs', 'dummy.bin'])
+        self.assertEqual(args.format, 'qgcs')
+        self.assertEqual(args.sort, 'qgcs')
+
+        # Check the 'format' and 'sort' parameters
+        args = parse_arguments(['-f', 'mavproxy', '-s', 'none', 'dummy.bin'])
+        self.assertEqual(args.format, 'mavproxy')
+        self.assertEqual(args.sort, 'none')
+
+        # Assert that a SystemExit is raised when --sysid is used without --format set to qgcs
+        with self.assertRaises(SystemExit):
+            with patch('builtins.print') as mock_print:
+                parse_arguments(['-f', 'mavproxy', '-i', '7', 'dummy.bin'])
+                mock_print.assert_called_once_with("--sysid parameter is only relevant if --format is qgcs")
+
+        # Assert that a SystemExit is raised when --compid is used without --format set to qgcs
+        with self.assertRaises(SystemExit):
+            with patch('builtins.print') as mock_print:
+                parse_arguments(['-f', 'missionplanner', '-c', '3', 'dummy.bin'])
+                mock_print.assert_called_once_with("--compid parameter is only relevant if --format is qgcs")
+
+        # Assert that a valid sysid and compid are parsed correctly
+        args = parse_arguments(['-f', 'qgcs', '-i', '7', '-c', '3', 'dummy.bin'])
+        self.assertEqual(args.format, 'qgcs')
+        self.assertEqual(args.sort, 'qgcs')
+        self.assertEqual(args.sysid, 7)
+        self.assertEqual(args.compid, 3)
+
+
+class TestExtractParameterDefaultValues(unittest.TestCase):
+
+    @patch('extract_param_defaults.mavutil.mavlink_connection')
+    def test_logfile_does_not_exist(self, mock_mavlink_connection):
+        # Mock the mavlink connection to raise an exception
+        mock_mavlink_connection.side_effect = Exception("Test exception")
+
+        # Call the function with a dummy logfile path
+        with self.assertRaises(SystemExit) as cm:
+            extract_parameter_default_values('dummy.bin')
+
+        # Check the error message
+        self.assertEqual(str(cm.exception), "Error opening the dummy.bin logfile: Test exception")
+
+    @patch('extract_param_defaults.mavutil.mavlink_connection')
+    def test_extract_parameter_default_values(self, mock_mavlink_connection):
+        # Mock the mavlink connection and the messages it returns
+        mock_mlog = MagicMock()
+        mock_mavlink_connection.return_value = mock_mlog
+        mock_mlog.recv_match.side_effect = [
+            MagicMock(Name='PARAM1', Default=1.1),
+            MagicMock(Name='PARAM2', Default=2.0),
+            None  # End of messages
+        ]
+
+        # Call the function with a dummy logfile path
+        defaults = extract_parameter_default_values('dummy.bin')
+
+        # Check if the defaults dictionary contains the correct parameters and values
+        self.assertEqual(defaults, {'PARAM1': 1.1, 'PARAM2': 2.0})
+
+    @patch('extract_param_defaults.mavutil.mavlink_connection')
+    def test_no_parameters(self, mock_mavlink_connection):
+        # Mock the mavlink connection to return no parameter messages
+        mock_mlog = MagicMock()
+        mock_mavlink_connection.return_value = mock_mlog
+        mock_mlog.recv_match.return_value = None  # No PARM messages
+
+        # Call the function with a dummy logfile path and assert SystemExit is raised with the correct message
+        with self.assertRaises(SystemExit) as cm:
+            extract_parameter_default_values('dummy.bin')
+        self.assertEqual(str(cm.exception), NO_DEFAULT_VALUES_MESSAGE)
+
+    @patch('extract_param_defaults.mavutil.mavlink_connection')
+    def test_no_parameter_defaults(self, mock_mavlink_connection):
+        # Mock the mavlink connection to simulate no parameter default values in the .bin file
+        mock_mlog = MagicMock()
+        mock_mavlink_connection.return_value = mock_mlog
+        mock_mlog.recv_match.return_value = None  # No PARM messages
+
+        # Call the function with a dummy logfile path and assert SystemExit is raised with the correct message
+        with self.assertRaises(SystemExit) as cm:
+            extract_parameter_default_values('dummy.bin')
+        self.assertEqual(str(cm.exception), NO_DEFAULT_VALUES_MESSAGE)
+
+    @patch('extract_param_defaults.mavutil.mavlink_connection')
+    def test_invalid_parameter_name(self, mock_mavlink_connection):
+        # Mock the mavlink connection to simulate an invalid parameter name
+        mock_mlog = MagicMock()
+        mock_mavlink_connection.return_value = mock_mlog
+        mock_mlog.recv_match.return_value = MagicMock(Name='INVALID_NAME%', Default=1.0)
+
+        # Call the function with a dummy logfile path
+        with self.assertRaises(SystemExit):
+            extract_parameter_default_values('dummy.bin')
+
+    @patch('extract_param_defaults.mavutil.mavlink_connection')
+    def test_long_parameter_name(self, mock_mavlink_connection):
+        # Mock the mavlink connection to simulate a too long parameter name
+        mock_mlog = MagicMock()
+        mock_mavlink_connection.return_value = mock_mlog
+        mock_mlog.recv_match.return_value = MagicMock(Name='TOO_LONG_PARAMETER_NAME', Default=1.0)
+
+        # Call the function with a dummy logfile path
+        with self.assertRaises(SystemExit):
+            extract_parameter_default_values('dummy.bin')
+
+
+class TestSortFunctions(unittest.TestCase):
+    def test_missionplanner_sort(self):
+        # Define a list of parameter names
+        params = ['PARAM_GROUP1_PARAM1', 'PARAM_GROUP2_PARAM2', 'PARAM_GROUP1_PARAM2']
+
+        # Sort the parameters using the missionplanner_sort function
+        sorted_params = sorted(params, key=missionplanner_sort)
+
+        # Check if the parameters were sorted correctly
+        self.assertEqual(sorted_params, ['PARAM_GROUP1_PARAM1', 'PARAM_GROUP1_PARAM2', 'PARAM_GROUP2_PARAM2'])
+
+        # Test with a parameter name that doesn't contain an underscore
+        params = ['PARAM1', 'PARAM3', 'PARAM2']
+        sorted_params = sorted(params, key=missionplanner_sort)
+        self.assertEqual(sorted_params, ['PARAM1', 'PARAM2', 'PARAM3'])
+
+    def test_mavproxy_sort(self):
+        # Define a list of parameter names
+        params = ['PARAM_GROUP1_PARAM1', 'PARAM_GROUP2_PARAM2', 'PARAM_GROUP1_PARAM2']
+
+        # Sort the parameters using the mavproxy_sort function
+        sorted_params = sorted(params, key=mavproxy_sort)
+
+        # Check if the parameters were sorted correctly
+        self.assertEqual(sorted_params, ['PARAM_GROUP1_PARAM1', 'PARAM_GROUP1_PARAM2', 'PARAM_GROUP2_PARAM2'])
+
+        # Test with a parameter name that doesn't contain an underscore
+        params = ['PARAM1', 'PARAM3', 'PARAM2']
+        sorted_params = sorted(params, key=mavproxy_sort)
+        self.assertEqual(sorted_params, ['PARAM1', 'PARAM2', 'PARAM3'])
+
+
+class TestOutputParams(unittest.TestCase):
+
+    @patch('extract_param_defaults.print')
+    def test_output_params(self, mock_print):
+        # Prepare a dummy defaults dictionary
+        defaults = {'PARAM2': 1.0, 'PARAM1': 2.0}
+
+        # Call the function with the dummy dictionary, 'missionplanner' format type
+        output_params(defaults, 'missionplanner')
+
+        # Check if the print function was called with the correct parameters
+        expected_calls = [unittest.mock.call('PARAM2,1'), unittest.mock.call('PARAM1,2')]
+        mock_print.assert_has_calls(expected_calls, any_order=False)
+
+    @patch('extract_param_defaults.print')
+    def test_output_params_missionplanner_non_numeric(self, mock_print):
+        # Prepare a dummy defaults dictionary
+        defaults = {'PARAM1': 'non-numeric'}
+
+        # Call the function with the dummy dictionary, 'missionplanner' format type
+        output_params(defaults, 'missionplanner')
+
+        # Check if the print function was called with the correct parameters
+        expected_calls = [unittest.mock.call('PARAM1,non-numeric')]
+        mock_print.assert_has_calls(expected_calls, any_order=False)
+
+    @patch('extract_param_defaults.print')
+    def test_output_params_mavproxy(self, mock_print):
+        # Prepare a dummy defaults dictionary
+        defaults = {'PARAM2': 2.0, 'PARAM1': 1.0}
+
+        # Call the function with the dummy dictionary, 'mavproxy' format type and 'mavproxy' sort type
+        defaults = sort_params(defaults, 'mavproxy')
+        output_params(defaults, 'mavproxy')
+
+        # Check if the print function was called with the correct parameters
+        expected_calls = [unittest.mock.call("%-15s %.6f" % ('PARAM1', 1.0)),
+                          unittest.mock.call("%-15s %.6f" % ('PARAM2', 2.0))]
+        mock_print.assert_has_calls(expected_calls, any_order=False)
+
+    @patch('extract_param_defaults.print')
+    def test_output_params_qgcs(self, mock_print):
+        # Prepare a dummy defaults dictionary
+        defaults = {'PARAM2': 2.0, 'PARAM1': 1.0}
+
+        # Call the function with the dummy dictionary, 'qgcs' format type and 'qgcs' sort type
+        defaults = sort_params(defaults, 'qgcs')
+        output_params(defaults, 'qgcs')
+
+        # Check if the print function was called with the correct parameters
+        expected_calls = [unittest.mock.call("\n# # Vehicle-Id Component-Id Name Value Type\n"),
+                          unittest.mock.call("%u %u %-15s %.6f %u" % (1, 1, 'PARAM1', 1.0, 9)),
+                          unittest.mock.call("%u %u %-15s %.6f %u" % (1, 1, 'PARAM2', 2.0, 9))]
+        mock_print.assert_has_calls(expected_calls, any_order=False)
+
+    @patch('extract_param_defaults.print')
+    def test_output_params_qgcs_2_4(self, mock_print):
+        # Prepare a dummy defaults dictionary
+        defaults = {'PARAM2': 2.0, 'PARAM1': 1.0}
+
+        # Call the function with the dummy dictionary, 'qgcs' format type and 'qgcs' sort type
+        defaults = sort_params(defaults, 'qgcs')
+        output_params(defaults, 'qgcs', 2, 4)
+
+        # Check if the print function was called with the correct parameters
+        expected_calls = [unittest.mock.call("\n# # Vehicle-Id Component-Id Name Value Type\n"),
+                          unittest.mock.call("%u %u %-15s %.6f %u" % (2, 4, 'PARAM1', 1.0, 9)),
+                          unittest.mock.call("%u %u %-15s %.6f %u" % (2, 4, 'PARAM2', 2.0, 9))]
+        mock_print.assert_has_calls(expected_calls, any_order=False)
+
+    @patch('extract_param_defaults.print')
+    def test_output_params_qgcs_SYSID_THISMAV(self, mock_print):
+        # Prepare a dummy defaults dictionary
+        defaults = {'PARAM2': 2.0, 'PARAM1': 1.0, 'SYSID_THISMAV': 3.0}
+
+        # Call the function with the dummy dictionary, 'qgcs' format type and 'qgcs' sort type
+        defaults = sort_params(defaults, 'qgcs')
+        output_params(defaults, 'qgcs', -1, 7)
+
+        # Check if the print function was called with the correct parameters
+        expected_calls = [unittest.mock.call("\n# # Vehicle-Id Component-Id Name Value Type\n"),
+                          unittest.mock.call("%u %u %-15s %.6f %u" % (3, 7, 'PARAM1', 1.0, 9)),
+                          unittest.mock.call("%u %u %-15s %.6f %u" % (3, 7, 'PARAM2', 2.0, 9)),
+                          unittest.mock.call("%u %u %-15s %.6f %u" % (3, 7, 'SYSID_THISMAV', 3.0, 9))]
+        mock_print.assert_has_calls(expected_calls, any_order=False)
+
+    @patch('extract_param_defaults.print')
+    def test_output_params_qgcs_SYSID_INVALID(self, mock_print):
+        # Prepare a dummy defaults dictionary
+        defaults = {'PARAM2': 2.0, 'PARAM1': 1.0, 'SYSID_THISMAV': -1.0}
+
+        # Assert that a SystemExit is raised with the correct message when an invalid sysid is used
+        with self.assertRaises(SystemExit) as cm:
+            defaults = sort_params(defaults, 'qgcs')
+            output_params(defaults, 'qgcs', -1, 7)
+        self.assertEqual(str(cm.exception), "Invalid system ID parameter -1 must not be negative")
+
+        # Assert that a SystemExit is raised with the correct message when an invalid sysid is used
+        with self.assertRaises(SystemExit) as cm:
+            defaults = sort_params(defaults, 'qgcs')
+            output_params(defaults, 'qgcs', MAVLINK_SYSID_MAX+2, 7)
+        self.assertEqual(str(cm.exception), f"Invalid system ID parameter 16777218 must be smaller than {MAVLINK_SYSID_MAX}")
+
+    @patch('extract_param_defaults.print')
+    def test_output_params_qgcs_COMPID_INVALID(self, mock_print):
+        # Prepare a dummy defaults dictionary
+        defaults = {'PARAM2': 2.0, 'PARAM1': 1.0}
+
+        # Assert that a SystemExit is raised with the correct message when an invalid compid is used
+        with self.assertRaises(SystemExit) as cm:
+            defaults = sort_params(defaults, 'qgcs')
+            output_params(defaults, 'qgcs', -1, -3)
+        self.assertEqual(str(cm.exception), "Invalid component ID parameter -3 must not be negative")
+
+        # Assert that a SystemExit is raised with the correct message when an invalid compid is used
+        with self.assertRaises(SystemExit) as cm:
+            defaults = sort_params(defaults, 'qgcs')
+            output_params(defaults, 'qgcs', 1, MAVLINK_COMPID_MAX+3)
+        self.assertEqual(str(cm.exception), f"Invalid component ID parameter 259 must be smaller than {MAVLINK_COMPID_MAX}")
+
+    @patch('extract_param_defaults.print')
+    def test_output_params_integer(self, mock_print):
+        # Prepare a dummy defaults dictionary with an integer value
+        defaults = {'PARAM1': 1.01, 'PARAM2': 2.00}
+
+        # Call the function with the dummy dictionary, 'missionplanner' format type and 'missionplanner' sort type
+        defaults = sort_params(defaults, 'missionplanner')
+        output_params(defaults, 'missionplanner')
+
+        # Check if the print function was called with the correct parameters
+        expected_calls = [unittest.mock.call('PARAM1,1.01'), unittest.mock.call('PARAM2,2')]
+        mock_print.assert_has_calls(expected_calls, any_order=False)
+
+
+if __name__ == '__main__':
+    unittest.main()

Tools/scripts/__init__.py

@@ -0,0 +1 @@
+"""Automation Scripts"""