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# Copyright (c) 2008-2014 Simplistix Ltd
# See license.txt for license details.
from datetime import date as d
from time import strptime
from testfixtures import ShouldRaise, test_date, replace, compare
from testfixtures.tests import sample1, sample2
from unittest import TestCase
class TestDate(TestCase):
# NB: Only the today method is currently stubbed out,
# if you need other methods, tests and patches
# greatfully received!
@replace('datetime.date', test_date())
def test_today(self):
from datetime import date
compare(date.today(), d(2001, 1, 1))
compare(date.today(), d(2001, 1, 2))
compare(date.today(), d(2001, 1, 4))
@replace('datetime.date', test_date(2001, 2, 3))
def test_today_supplied(self):
from datetime import date
compare(date.today(), d(2001, 2, 3))
@replace('datetime.date', test_date(year=2001, month=2, day=3))
def test_today_all_kw(self):
from datetime import date
compare(date.today(), d(2001, 2, 3))
@replace('datetime.date', test_date(None))
def test_today_sequence(self, t):
t.add(2002, 1, 1)
t.add(2002, 1, 2)
t.add(2002, 1, 3)
from datetime import date
compare(date.today(), d(2002, 1, 1))
compare(date.today(), d(2002, 1, 2))
compare(date.today(), d(2002, 1, 3))
@replace('datetime.date', test_date(None))
def test_today_requested_longer_than_supplied(self, t):
t.add(2002, 1, 1)
t.add(2002, 1, 2)
from datetime import date
compare(date.today(), d(2002, 1, 1))
compare(date.today(), d(2002, 1, 2))
compare(date.today(), d(2002, 1, 3))
compare(date.today(), d(2002, 1, 5))
@replace('datetime.date', test_date(None))
def test_add_date_supplied(self):
from datetime import date
date.add(d(2001, 1, 2))
date.add(date(2001, 1, 3))
compare(date.today(), d(2001, 1, 2))
compare(date.today(), d(2001, 1, 3))
@replace('datetime.date', test_date(strict=True))
def test_call(self, t):
compare(t(2002, 1, 2), d(2002, 1, 2))
from datetime import date
dt = date(2003, 2, 1)
self.failIf(dt.__class__ is d)
compare(dt, d(2003, 2, 1))
def test_gotcha_import(self):
# standard `replace` caveat, make sure you
# patch all revelent places where date
# has been imported:
@replace('datetime.date', test_date())
def test_something():
from datetime import date
compare(date.today(), d(2001, 1, 1))
compare(sample1.str_today_1(), '2001-01-02')
with ShouldRaise(AssertionError) as s:
test_something()
# This convoluted check is because we can't stub
# out the date, since we're testing stubbing out
# the date ;-)
j, dt1, j, dt2, j = s.raised.args[0].split("'")
# check we can parse the date
dt1 = strptime(dt1, '%Y-%m-%d')
# check the dt2 bit was as it should be
compare(dt2, '2001-01-02')
# What you need to do is replace the imported type:
@replace('testfixtures.tests.sample1.date', test_date())
def test_something():
compare(sample1.str_today_1(), '2001-01-01')
test_something()
def test_gotcha_import_and_obtain(self):
# Another gotcha is where people have locally obtained
# a class attributes, where the normal patching doesn't
# work:
@replace('testfixtures.tests.sample1.date', test_date())
def test_something():
compare(sample1.str_today_2(), '2001-01-01')
with ShouldRaise(AssertionError) as s:
test_something()
# This convoluted check is because we can't stub
# out the date, since we're testing stubbing out
# the date ;-)
j, dt1, j, dt2, j = s.raised.args[0].split("'")
# check we can parse the date
dt1 = strptime(dt1, '%Y-%m-%d')
# check the dt2 bit was as it should be
compare(dt2, '2001-01-01')
# What you need to do is replace the imported name:
@replace('testfixtures.tests.sample1.today', test_date().today)
def test_something():
compare(sample1.str_today_2(), '2001-01-01')
test_something()
# if you have an embedded `today` as above, *and* you need to supply
# a list of required dates, then it's often simplest just to
# do a manual try-finally with a replacer:
def test_import_and_obtain_with_lists(self):
t = test_date(None)
t.add(2002, 1, 1)
t.add(2002, 1, 2)
from testfixtures import Replacer
r = Replacer()
r.replace('testfixtures.tests.sample1.today', t.today)
try:
compare(sample1.str_today_2(), '2002-01-01')
compare(sample1.str_today_2(), '2002-01-02')
finally:
r.restore()
@replace('datetime.date', test_date())
def test_repr(self):
from datetime import date
compare(repr(date), "<class 'testfixtures.tdatetime.tdate'>")
@replace('datetime.date', test_date(delta=2))
def test_delta(self):
from datetime import date
compare(date.today(), d(2001, 1, 1))
compare(date.today(), d(2001, 1, 3))
compare(date.today(), d(2001, 1, 5))
@replace('datetime.date', test_date(delta_type='weeks'))
def test_delta_type(self):
from datetime import date
compare(date.today(), d(2001, 1, 1))
compare(date.today(), d(2001, 1, 8))
compare(date.today(), d(2001, 1, 22))
@replace('datetime.date', test_date(None))
def test_set(self):
from datetime import date
date.set(2001, 1, 2)
compare(date.today(), d(2001, 1, 2))
date.set(2002, 1, 1)
compare(date.today(), d(2002, 1, 1))
compare(date.today(), d(2002, 1, 3))
@replace('datetime.date', test_date(None))
def test_set_date_supplied(self):
from datetime import date
date.set(d(2001, 1, 2))
compare(date.today(), d(2001, 1, 2))
date.set(date(2001, 1, 3))
compare(date.today(), d(2001, 1, 3))
@replace('datetime.date', test_date(None))
def test_set_kw(self):
from datetime import date
date.set(year=2001, month=1, day=2)
compare(date.today(), d(2001, 1, 2))
@replace('datetime.date', test_date(None))
def test_add_kw(self, t):
t.add(year=2002, month=1, day=1)
from datetime import date
compare(date.today(), d(2002, 1, 1))
@replace('datetime.date', test_date(strict=True))
def test_isinstance_strict_true(self):
from datetime import date
to_check = []
to_check.append(date(1999, 1, 1))
to_check.append(date.today())
date.set(2001, 1, 2)
to_check.append(date.today())
date.add(2001, 1, 3)
to_check.append(date.today())
to_check.append(date.today())
date.set(date(2001, 1, 4))
to_check.append(date.today())
date.add(date(2001, 1, 5))
to_check.append(date.today())
to_check.append(date.today())
date.set(d(2001, 1, 4))
to_check.append(date.today())
date.add(d(2001, 1, 5))
to_check.append(date.today())
to_check.append(date.today())
for inst in to_check:
self.failUnless(isinstance(inst, date), inst)
self.failUnless(inst.__class__ is date, inst)
self.failUnless(isinstance(inst, d), inst)
self.failIf(inst.__class__ is d, inst)
@replace('datetime.date', test_date())
def test_isinstance_default(self):
from datetime import date
to_check = []
to_check.append(date(1999, 1, 1))
to_check.append(date.today())
date.set(2001, 1, 2)
to_check.append(date.today())
date.add(2001, 1, 3)
to_check.append(date.today())
to_check.append(date.today())
date.set(date(2001, 1, 4))
to_check.append(date.today())
date.add(date(2001, 1, 5))
to_check.append(date.today())
to_check.append(date.today())
date.set(d(2001, 1, 4))
to_check.append(date.today())
date.add(d(2001, 1, 5))
to_check.append(date.today())
to_check.append(date.today())
for inst in to_check:
self.failIf(isinstance(inst, date), inst)
self.failIf(inst.__class__ is date, inst)
self.failUnless(isinstance(inst, d), inst)
self.failUnless(inst.__class__ is d, inst)