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from datetime import date
from tests.common import DummyPostData
from wtforms.fields import WeekField
from wtforms.form import Form
class F(Form):
a = WeekField()
b = WeekField(format="W%W %Y")
c = WeekField(format="%Y-W%W-%w")
def test_basic():
form = F(DummyPostData(a=["2023-W03"], b=["W03 2023"], c=["2023-W03-0"]))
assert form.a.data == date(2023, 1, 16)
assert "2023-W03" == form.a._value()
assert form.a() == '<input id="a" name="a" type="week" value="2023-W03">'
assert form.b.data == date(2023, 1, 16)
assert form.b() == '<input id="b" name="b" type="week" value="W03 2023">'
# %W makes the week count on the first monday of the year
assert form.c.data == date(2023, 1, 22)
assert form.c() == '<input id="c" name="c" type="week" value="2023-W03-0">'
def test_invalid_data():
form = F(DummyPostData(a=["2008-Wbb"]))
assert not form.validate()
assert 1 == len(form.a.process_errors)
assert 1 == len(form.a.errors)
assert "Not a valid week value." == form.a.process_errors[0]
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