def test_string(self):
for value in ('x', 'Y', 'z'):
b = Bool(value, true=('x', 'y', 'z'), false=(1, 2, 3))
self.assertEqual(str(b), str(value))
for value in (1, 2, 3):
b = Bool(value, true=('x', 'y', 'z'), false=(1, 2, 3))
self.assertEqual(str(b), str(value))
def test_invalid_type(self):
mt = multitype(Bool.partial(true=('yes', ), false=('no', )), Float,
Tuple.partial(options=('a', 'b', 'c')))
with self.assert_raises(
ValueError, 'Not a boolean; Not a number; Invalid option: hi'):
mt('hi')
with self.assert_raises(
ValueError, 'Not a boolean; Not a number; Invalid option: d'):
mt('a', 'b', 'd')
def test_equality(self):
B = Bool.partial(true=('x', 'y', 'z'), false=(1, 2, 3))
self.assertEqual(B('x'), B('y'))
self.assertEqual(B('y'), B('z'))
self.assertEqual(B('z'), True)
self.assertEqual(B(1), B(2))
self.assertEqual(B(2), B(3))
self.assertEqual(B(3), False)
self.assertNotEqual(B('x'), None)
self.assertNotEqual(B(2), None)
def test_truths_and_falsities(self):
b = Bool('x', true=('x', 'y', 'z'), false=(1, 2, 3))
self.assertEqual(b.truths, ('x', 'y', 'z'))
self.assertEqual(b.falsities, (1, 2, 3))
def test_valid_values(self):
self.assertTrue(Bool('x', true=('x', ), false=('o', )))
self.assertFalse(Bool('O', true=('x', ), false=('o', )))
with self.assert_raises(ValueError, 'Not a boolean'):
Bool('0', true=('x', ), false=('o', ))
def test_syntax(self):
self.assertEqual(
Bool('1', true=('1', 1, 'on'), false=('0', 0, 'off')).syntax,
'1/0|on/off')