def convert(self): try: converter = TemperatureConverter(self.input_value) self.clear_error() if self.cast_type == 'fahrenheit': self.output_value = converter.convert_to_fahrenheit() elif self.cast_type == 'kelvin': self.output_value = converter.convert_to_kelvin() elif self.cast_type == 'newton': self.output_value = converter.convert_to_newton() except ValueError: self.clear_output() self.error = 'The value is not numeric.\nEnter a numeric value.'
def convert(self): try: self.logger.log('Button clicked') self.logger.log('Input value is %s' % self.input_value) self.logger.log('Selected cast type is %s' % self.cast_type) converter = TemperatureConverter(self.input_value) self.clear_error() if self.cast_type == 'fahrenheit': self.output_value = converter.convert_to_fahrenheit() elif self.cast_type == 'kelvin': self.output_value = converter.convert_to_kelvin() elif self.cast_type == 'newton': self.output_value = converter.convert_to_newton() self.logger.log('Result: %s' % self.output_value) except ValueError: self.clear_output() self.error = 'The value is not numeric.\nEnter a numeric value.' self.logger.log('Error occurred: %s' % self.error)
def test_convert_from_positive_value_n(self): positive_value = TemperatureConverter(15) self.assertAlmostEqual(positive_value.convert_to_newton(), 4.95)
def test_convert_from_negative_value_n(self): negative_value = TemperatureConverter(-11) self.assertAlmostEqual(negative_value.convert_to_newton(), -3.63)
def test_convert_from_zero_n(self): zero_value = TemperatureConverter(0) self.assertAlmostEqual(zero_value.convert_to_newton(), 0)
def test_can_create_converter(self): converter = TemperatureConverter(0) self.assertTrue(isinstance(converter, TemperatureConverter))
def test_convert_from_string_value_with_point_k(self): string_value = TemperatureConverter("-13.5") self.assertAlmostEqual(string_value.convert_to_kelvin(), 259.65)
def test_convert_from_string_value_k(self): string_value = TemperatureConverter("-13") self.assertAlmostEqual(string_value.convert_to_kelvin(), 260.15)
def test_convert_from_negative_value_k(self): negative_value = TemperatureConverter(-11) self.assertAlmostEqual(negative_value.convert_to_kelvin(), 262.15)
def test_convert_from_zero_k(self): zero_value = TemperatureConverter(0) self.assertAlmostEqual(zero_value.convert_to_kelvin(), 273.15)
def test_convert_from_string_value_with_point_f(self): string_value = TemperatureConverter("-13.5") self.assertAlmostEqual(string_value.convert_to_fahrenheit(), 7.7)
def test_convert_from_positive_value_f(self): positive_value = TemperatureConverter(15) self.assertAlmostEqual(positive_value.convert_to_fahrenheit(), 59)
def test_convert_from_negative_value_f(self): negative_value = TemperatureConverter(-11) self.assertAlmostEqual(negative_value.convert_to_fahrenheit(), 12.2)
def test_convert_from_zero_f(self): zero_value = TemperatureConverter(0) self.assertAlmostEqual(zero_value.convert_to_fahrenheit(), 32)
def test_can_set_celsius_value_to_converter(self): celsius = 5 self.assertEqual(celsius, TemperatureConverter(5).celsius)
def test_convert_from_string_value_n(self): string_value = TemperatureConverter("-13") self.assertAlmostEqual(string_value.convert_to_newton(), -4.29)
def test_convert_from_string_value_with_point_n(self): string_value = TemperatureConverter("-13.5") self.assertAlmostEqual(string_value.convert_to_newton(), -4.455)
def test_convert_from_positive_value_k(self): positive_value = TemperatureConverter(15) self.assertAlmostEqual(positive_value.convert_to_kelvin(), 288.15)