def testFailOnNegInf(self):
     test_string = '-inf'
     expect_answer = 'Value should be a real number.'
     answer = validate_component_table_cell_values._real_value(test_string)
     self.assertEqual(answer, expect_answer)
 def testAcceptInt(self):
     test_string = "1"
     expect_answer = ''
     answer = validate_component_table_cell_values._real_value(test_string)
     self.assertEqual(answer, expect_answer)
 def testAcceptSignedDec(self):
     test_string = '-0.1'
     expect_answer = ''
     answer = validate_component_table_cell_values._real_value(test_string)
     self.assertEqual(answer, expect_answer)
 def testFailOnEmptySpace(self):
     test_string = ""
     expect_answer = 'Could not convert the given value to a float.'
     answer = validate_component_table_cell_values._real_value(test_string)
     self.assertEqual(answer, expect_answer)