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from decimal import Decimal
from decimal import ROUND_DOWN
from decimal import ROUND_UP
from tests.common import DummyPostData
from wtforms.fields import DecimalField
from wtforms.form import Form
def make_form(name="F", **fields):
return type(str(name), (Form,), fields)
def test_decimal_field():
F = make_form(a=DecimalField())
form = F(DummyPostData(a="2.1"))
assert form.a.data == Decimal("2.1")
assert form.a._value() == "2.1"
form.a.raw_data = None
assert form.a._value() == "2.10"
assert form.validate()
form = F(DummyPostData(a="2,1"), a=Decimal(5))
assert form.a.data is None
assert form.a.raw_data == ["2,1"]
assert not form.validate()
form = F(DummyPostData(a="asdf"), a=Decimal(".21"))
assert form.a._value() == "asdf"
assert not form.validate()
def test_quantize():
F = make_form(
a=DecimalField(places=3, rounding=ROUND_UP), b=DecimalField(places=None)
)
form = F(a=Decimal("3.1415926535"))
assert form.a._value() == "3.142"
form.a.rounding = ROUND_DOWN
assert form.a._value() == "3.141"
assert form.b._value() == ""
form = F(a=3.14159265, b=72)
assert form.a._value() == "3.142"
assert isinstance(form.a.data, float)
assert form.b._value() == "72"
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