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)