def test_from_frequency(self):
for channel, data in self.DATA:
for navaid, frequency in data.items():
if frequency is None:
continue
with self.subTest(frequency=frequency):
result = TACAN.from_frequency(frequency)
self.assertEqual(result, (channel, navaid))
def test_to_frequency(self):
for channel, data in self.DATA:
for navaid, frequency in data.items():
with self.subTest(channel=channel, navaid=navaid):
result = TACAN(channel).to_frequency(navaid)
if frequency is None:
self.assertIsNone(result)
else:
self.assertAlmostEqual(result, frequency, places=2)
def test_ordering(self):
self.assertEqual(TACAN('1X'), TACAN('1X'))
self.assertNotEqual(TACAN('1X'), TACAN('1Y'))
self.assertLess(TACAN('1X'), TACAN('1Y'))
self.assertLessEqual(TACAN('1X'), TACAN('1X'))
self.assertGreater(TACAN('2X'), TACAN('1Y'))
self.assertGreaterEqual(TACAN('2X'), TACAN('1X'))
self.assertIs(TACAN('1X').__eq__(None), NotImplemented)
self.assertIs(TACAN('1X').__ne__(None), NotImplemented)
self.assertIs(TACAN('1X').__lt__(None), NotImplemented)
self.assertIs(TACAN('1X').__le__(None), NotImplemented)
self.assertIs(TACAN('1X').__gt__(None), NotImplemented)
self.assertIs(TACAN('1X').__ge__(None), NotImplemented)
def test_repr(self):
self.assertEqual(repr(TACAN('1X')), "TACAN('1X')")
def test_str(self):
obj = TACAN('1X')
self.assertEqual(str(obj), '1X')
self.assertEqual(str(obj), obj.channel)
def test_immutable(self):
with self.assertRaisesRegex(TypeError, r'^TACAN objects are immutable\.$'):
TACAN('1X').channel = '1X'
def _test_constructor_error(self, *values, exception=None):
for value in values:
with self.subTest(value):
with self.assertRaisesRegex(exception, f'^Invalid TACAN channel: {re.escape(repr(value))}$'):
TACAN(value)