def test_truncations():
s = Sexagesimal("1, 2, 30; 18, 52, 23")
assert round(s).equals(s)
assert round(s, 1).equals(Sexagesimal("1,2,30;19"))
assert s.truncate(1).equals(Sexagesimal("1,2,30;18"))
assert s.truncate(100).equals(s)
assert m.trunc(s) == 3750
assert m.floor(s) == 3750
assert m.ceil(s) == 3751
assert m.floor(-s) == -3749
assert m.ceil(-s) == -3750
assert Sexagesimal(1, 2,
3).minimize_precision().equals(Sexagesimal(1, 2, 3))
assert (Sexagesimal("1, 2, 3; 0, 0").minimize_precision().equals(
Sexagesimal(1, 2, 3)))
def test_attribute_forwarding(self):
q = Sexagesimal("1;0,1,31") * degree
with pytest.raises(AttributeError):
q._from_string()
with pytest.raises(AttributeError):
q.does_not_exist()
assert q.truncate(2).value.equals(q.value.truncate(2))
assert q.left == (1, )
assert round(q, 2).value.equals(round(q.value, 2))
def test_precision_modes(self):
s1 = Sexagesimal("0;30,0,0,6")
s2 = Sexagesimal(2)
with set_precision(pmode=PrecisionMode.MAX):
self.equality(s1 + s2, Sexagesimal("2;30,0,0,6"))
self.equality(s1 * s2, Sexagesimal("1;0,0,0,12"))
self.equality(s1 / s2, Sexagesimal("0;15,0,0,3"))
with set_precision(pmode=PrecisionMode.SCI):
s1_ = s1.truncate(3)
self.equality(s1_ + s2, Sexagesimal(2, remainder=Decimal("0.5")))
self.equality(s1_ * s2, Sexagesimal(1))
self.equality(s1_ / s2, Sexagesimal(0, remainder=Decimal("0.25")))
with set_precision(pmode=3):
self.equality(
s1 + s2,
Sexagesimal((2, ), (30, 0, 0), remainder=Decimal("0.1")))
self.equality(
s1 * s2, Sexagesimal((1, ), (0, 0, 0),
remainder=Decimal("0.2")))
self.equality(
s1 / s2,
Sexagesimal((0, ), (15, 0, 0), remainder=Decimal("0.05")))
assert round(Sexagesimal(2, remainder=Decimal("0.5"))) == 3
with pytest.raises(NotImplementedError):
with set_precision(pmode=PrecisionMode.FULL):
s1 + s2
with pytest.raises(ValueError):
with set_precision(pmode=-1):
pass
with pytest.raises(TypeError):
with set_precision(pmode="a"):
pass
