def test_makenumber():
nt_flt = NumberTypeable('float')
nt_frc = NumberTypeable('fraction')
numbers = ['4', '2/3', '1.6', '-9/6', 1.12]
floats = [4., 2.0/3.0, 1.6, -1.5, 1.12]
fracs = [(4, 1), (2, 3), (8, 5), (-3, 2),
(1261007895663739, 1125899906842624)]
for number, flt, frc in zip(numbers, floats, fracs):
frc = fractions.Fraction(*frc)
number_flt = nt_flt.make_number(number)
number_frc = nt_frc.make_number(number)
nose.tools.assert_almost_equal(flt, number_flt)
nose.tools.assert_equal(frc, number_frc)
def test_makenumber():
nt_flt = NumberTypeable('float')
nt_frc = NumberTypeable('fraction')
numbers = ['4', '2/3', '1.6', '-9/6', 1.12]
floats = [4., 2.0 / 3.0, 1.6, -1.5, 1.12]
fracs = [(4, 1), (2, 3), (8, 5), (-3, 2),
(1261007895663739, 1125899906842624)]
for number, flt, frc in zip(numbers, floats, fracs):
frc = fractions.Fraction(*frc)
number_flt = nt_flt.make_number(number)
number_frc = nt_frc.make_number(number)
nose.tools.assert_almost_equal(flt, number_flt)
nose.tools.assert_equal(frc, number_frc)
def test_numbertypeable():
x = NumberTypeable()
nose.tools.assert_equal(x.number_type, 'float')
assert (x.NumberType is float)
def test_numbertypeable_invalid():
nose.tools.assert_raises(ValueError, lambda: NumberTypeable('hyperreal'))
def test_numbertypeable_fraction():
x = NumberTypeable('fraction')
nose.tools.assert_equal(x.number_type, 'fraction')
assert (x.NumberType is fractions.Fraction)
def test_numbertypeable():
x = NumberTypeable()
assert x.number_type == 'float'
assert (x.NumberType is float)
def test_numbertypeable_invalid():
with pytest.raises(ValueError):
NumberTypeable('hyperreal')
def test_numbertypeable_fraction():
x = NumberTypeable('fraction')
assert x.number_type == 'fraction'
assert (x.NumberType is fractions.Fraction)