text: import unittest
  import nuheat.util as util
  
  
  class TestUtils(unittest.TestCase):
  
      def test_round_half(self):
          tests = [
              [0.0, 0],
              [31.4, 31],
              [31.5, 32],
              [32.4, 32],
              [32.5, 33]
          ]
          for test in tests:
              rounded = util.round_half(test[0])
              self.assertEqual(rounded, test[1])
  
      def test_fahrenheit_to_celsius(self):
          tests = [
              [32, 0],
              [72, 22],
              [212, 100]
          ]
          for test in tests:
              celsius = util.fahrenheit_to_celsius(test[0])
              self.assertEqual(celsius, test[1])
  
      def test_celsius_to_fahrenheit(self):
          tests = [
              [32, 0],
              [72, 22],
              [212, 100]
          ]
          for test in tests:
              fahrenheit = util.celsius_to_fahrenheit(test[1])
              self.assertEqual(fahrenheit, test[0])
  
      def test_fahrenheit_to_nuheat(self):
          tests = [
              [41, 481],  # min
              [72, 2217],
              [157, 6977]  # max
          ]
          for test in tests:
              temp = util.fahrenheit_to_nuheat(test[0])
              self.assertEqual(temp, test[1])
  
      def test_celsius_to_nuheat(self):
          tests = [
              [5, 481],  # min
              [22, 2217],
              [69, 6921]  # max
          ]
          for test in tests:
              temp = util.celsius_to_nuheat(test[0])
              self.assertEqual(temp, test[1])
  
      def test_nuheat_to_fahrenheit(self):
          tests = [
              [500, 41],  # min
              [2222, 72],
              [7000, 157]  # max
          ]
          for test in tests:
              fahrenheit = util.nuheat_to_fahrenheit(test[0])
              self.assertEqual(fahrenheit, test[1])
  
      def test_nuheat_to_celsius(self):
          tests = [
              [500, 5],  # min
              [2222, 22],
              [7000, 69]  # max
          ]
          for test in tests:
              celsius = util.nuheat_to_celsius(test[0])
              self.assertEqual(celsius, test[1])
  