dotcode_tf_test.py

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#!/usr/bin/env python
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# import unittest
# import rospkg

# import tf
# from tf.srv import *

# # get mock from pypi as 'mock'
# from mock import Mock, MagicMock, patch

# from rqt_tf_tree.dotcode_tf import RosTfTreeDotcodeGenerator


# class DotcodeGeneratorTest(unittest.TestCase):

#     def test_generate_dotcode(self):
#         with patch('tf.TransformListener') as tf:
#             def tf_srv_fun_mock():
#                 return tf

#             yaml_data = {'frame1': {'parent': 'fr_parent',
#                                             'broadcaster': 'fr_broadcaster',
#                                             'rate': 'fr_rate',
#                                             'buffer_length': 'fr_buffer_length',
#                                             'most_recent_transform': 'fr_most_recent_transform',
#                                             'oldest_transform': 'fr_oldest_transform',}}
#             tf.frame_yaml = str(yaml_data)
            
#             factoryMock = Mock()
#             graphMock = Mock()
#             timeMock = Mock()
#             timerMock = Mock()
#             timerMock.now.return_value=timeMock
#             timeMock.to_sec.return_value=42

#             yamlmock = Mock()
#             yamlmock.load.return_value = yaml_data
            
#             factoryMock.create_dot.return_value = "foo"
#             factoryMock.get_graph.return_value = graphMock
            
#             gen = RosTfTreeDotcodeGenerator(0)
#             graph = gen.generate_dotcode(factoryMock, tf_srv_fun_mock, timerMock)

#             timerMock.now.assert_called_with()
#             timeMock.to_sec.assert_called_with()
#             factoryMock.create_dot.assert_called_with(graphMock)
            
#             self.assertEqual(graph, 'foo')