1  # SPDX-FileCopyrightText: 2020 Kevin J Walters for Adafruit Industries
  2  #
  3  # SPDX-License-Identifier: MIT
  4  
  5  # The MIT License (MIT)
  6  #
  7  # Copyright (c) 2020 Kevin J. Walters
  8  #
  9  # Permission is hereby granted, free of charge, to any person obtaining a copy
 10  # of this software and associated documentation files (the "Software"), to deal
 11  # in the Software without restriction, including without limitation the rights
 12  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 13  # copies of the Software, and to permit persons to whom the Software is
 14  # furnished to do so, subject to the following conditions:
 15  #
 16  # The above copyright notice and this permission notice shall be included in
 17  # all copies or substantial portions of the Software.
 18  #
 19  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 20  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 21  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 22  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 23  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 24  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 25  # THE SOFTWARE.
 26  
 27  import sys
 28  import os
 29  
 30  import unittest
 31  from unittest.mock import Mock, MagicMock, PropertyMock
 32  
 33  verbose = int(os.getenv('TESTVERBOSE', '2'))
 34  
 35  # Mocking libraries which are about to be import'd by Plotter
 36  sys.modules['analogio'] = MagicMock()
 37  
 38  # Borrowing the dhalbert/tannewt technique from adafruit/Adafruit_CircuitPython_Motor
 39  sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
 40  
 41  # import what we are testing or will test in future
 42  # pylint: disable=unused-import,wrong-import-position
 43  from plot_source import PlotSource, TemperaturePlotSource, PressurePlotSource, \
 44                          HumidityPlotSource, ColorPlotSource, ProximityPlotSource, \
 45                          IlluminatedColorPlotSource, VolumePlotSource, \
 46                          AccelerometerPlotSource, GyroPlotSource, \
 47                          MagnetometerPlotSource, PinPlotSource
 48  
 49  
 50  # pylint: disable=protected-access
 51  class Test_TemperaturePlotSource(unittest.TestCase):
 52  
 53      SENSOR_DATA = (20, 21.3, 22.0, 0.0, -40, 85)
 54  
 55      def test_celsius(self):
 56          """Create the source in Celsius mode and test with some values."""
 57  
 58          # Emulate the clue's temperature sensor by
 59          # returning a temperature from a small tuple
 60          # of test data
 61          mocked_clue = Mock()
 62          expected_data = self.SENSOR_DATA
 63          type(mocked_clue).temperature = PropertyMock(side_effect=self.SENSOR_DATA)
 64  
 65          source = TemperaturePlotSource(mocked_clue,
 66                                         mode="Celsius")
 67  
 68          for expected_value in expected_data:
 69              self.assertAlmostEqual(source.data(),
 70                                     expected_value,
 71                                     msg="Checking converted temperature is correct")
 72  
 73      def test_fahrenheit(self):
 74          """Create the source in Fahrenheit mode and test with some values."""
 75          # Emulate the clue's temperature sensor by
 76          # returning a temperature from a small tuple
 77          # of test data
 78          mocked_clue = Mock()
 79          expected_data = (68, 70.34, 71.6,
 80                           32.0, -40, 185)
 81          type(mocked_clue).temperature = PropertyMock(side_effect=self.SENSOR_DATA)
 82  
 83          source = TemperaturePlotSource(mocked_clue,
 84                                         mode="Fahrenheit")
 85  
 86          for expected_value in expected_data:
 87              self.assertAlmostEqual(source.data(),
 88                                     expected_value,
 89                                     msg="Checking converted temperature is correct")
 90  
 91      def test_kelvin(self):
 92          """Create the source in Kelvin mode and test with some values."""
 93          # Emulate the clue's temperature sensor by
 94          # returning a temperature from a small tuple
 95          # of test data
 96          mocked_clue = Mock()
 97          expected_data = (293.15, 294.45, 295.15,
 98                           273.15, 233.15, 358.15)
 99          type(mocked_clue).temperature = PropertyMock(side_effect=self.SENSOR_DATA)
100  
101          source = TemperaturePlotSource(mocked_clue,
102                                         mode="Kelvin")
103  
104          for expected_value in expected_data:
105              data = source.data()
106              # self.assertEqual(data,
107              #                 expected_value,
108              #                 msg="An inappropriate check for floating-point")
109              self.assertAlmostEqual(data,
110                                     expected_value,
111                                     msg="Checking converted temperature is correct")
112  
113  
114  if __name__ == '__main__':
115      unittest.main(verbosity=verbose)