def test_can_convert_100_inch_to_kilometer(self):
converter = LengthConverter(100.0, LengthType.inch)
km = converter.convert(LengthType.kilometer)
self.assertAlmostEqual(km, 0.00254)
def test_can_convert_1_mile_to_meter(self):
converter = LengthConverter(6.213712, LengthType.mile)
m = converter.convert(LengthType.meter)
self.assertAlmostEqual(m, 10000.0)
def test_can_convert_half_meter_to_inch(self):
converter = LengthConverter(0.5, LengthType.meter)
inch = converter.convert(LengthType.inch)
self.assertAlmostEqual(inch, 19.685, delta=0.001)
def test_can_create_converter(self):
converter = LengthConverter(0.0, LengthType.meter)
self.assertTrue(isinstance(converter, LengthConverter))
def test_can_convert_1000000_centimeter_to_mile(self):
converter = LengthConverter(1000000.0, LengthType.centimeter)
mile = converter.convert(LengthType.mile)
self.assertAlmostEqual(mile, 6.213712)
def test_can_convert_1_meter_to_millimeter(self):
converter = LengthConverter(1.0, LengthType.meter)
mm = converter.convert(LengthType.millimeter)
self.assertAlmostEqual(mm, 1.0 * 1000.0)
def test_can_convert_1_kilometer_to_meter(self):
converter = LengthConverter(1.0, LengthType.kilometer)
m = converter.convert(LengthType.meter)
self.assertAlmostEqual(m, 1000.0)
def test_can_convert_10_meter_to_centimeter_from_string(self):
converter = LengthConverter("10.0", LengthType.meter)
cm = converter.convert(LengthType.centimeter)
self.assertAlmostEqual(cm, 10.0 * 100.0)
def test_can_create_converter_from_string(self):
converter = LengthConverter("1.0", LengthType.meter)
self.assertTrue(isinstance(converter, LengthConverter))
def test_can_create_negative_converter(self):
with self.assertRaises(ValueError):
LengthConverter(-1.0, LengthType.meter)
def test_can_convert_100_centimeter_to_meter(self):
converter = LengthConverter(100.0, LengthType.centimeter)
meter = converter.convert(LengthType.meter)
self.assertAlmostEqual(meter, 1.0)
def test_can_convert_zero_meter_to_meter(self):
converter = LengthConverter(0.0, LengthType.meter)
meter = converter.convert(LengthType.meter)
self.assertAlmostEqual(meter, 0)