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# -*- coding: utf-8 -*-
"""
werkzeug.testsuite.local
~~~~~~~~~~~~~~~~~~~~~~~~
Local and local proxy tests.
:copyright: (c) 2011 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
import time
import unittest
from threading import Thread
from werkzeug.testsuite import WerkzeugTestCase
from werkzeug import local
class LocalTestCase(WerkzeugTestCase):
def test_basic_local(self):
l = local.Local()
l.foo = 0
values = []
def value_setter(idx):
time.sleep(0.01 * idx)
l.foo = idx
time.sleep(0.02)
values.append(l.foo)
threads = [Thread(target=value_setter, args=(x,))
for x in [1, 2, 3]]
for thread in threads:
thread.start()
time.sleep(0.2)
assert sorted(values) == [1, 2, 3]
def delfoo():
del l.foo
delfoo()
self.assert_raises(AttributeError, lambda: l.foo)
self.assert_raises(AttributeError, delfoo)
local.release_local(l)
def test_local_release(self):
loc = local.Local()
loc.foo = 42
local.release_local(loc)
assert not hasattr(loc, 'foo')
ls = local.LocalStack()
ls.push(42)
local.release_local(ls)
assert ls.top is None
def test_local_proxy(self):
foo = []
ls = local.LocalProxy(lambda: foo)
ls.append(42)
ls.append(23)
ls[1:] = [1, 2, 3]
assert foo == [42, 1, 2, 3]
assert repr(foo) == repr(ls)
assert foo[0] == 42
foo += [1]
assert list(foo) == [42, 1, 2, 3, 1]
def test_local_stack(self):
ident = local.get_ident()
ls = local.LocalStack()
assert ident not in ls._local.__storage__
assert ls.top is None
ls.push(42)
assert ident in ls._local.__storage__
assert ls.top == 42
ls.push(23)
assert ls.top == 23
ls.pop()
assert ls.top == 42
ls.pop()
assert ls.top is None
assert ls.pop() is None
assert ls.pop() is None
proxy = ls()
ls.push([1, 2])
assert proxy == [1, 2]
ls.push((1, 2))
assert proxy == (1, 2)
ls.pop()
ls.pop()
assert repr(proxy) == '<LocalProxy unbound>'
assert ident not in ls._local.__storage__
def test_local_proxies_with_callables(self):
foo = 42
ls = local.LocalProxy(lambda: foo)
assert ls == 42
foo = [23]
ls.append(42)
assert ls == [23, 42]
assert foo == [23, 42]
def test_custom_idents(self):
ident = 0
loc = local.Local()
stack = local.LocalStack()
mgr = local.LocalManager([loc, stack], ident_func=lambda: ident)
loc.foo = 42
stack.push({'foo': 42})
ident = 1
loc.foo = 23
stack.push({'foo': 23})
ident = 0
assert loc.foo == 42
assert stack.top['foo'] == 42
stack.pop()
assert stack.top is None
ident = 1
assert loc.foo == 23
assert stack.top['foo'] == 23
stack.pop()
assert stack.top is None
def suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(LocalTestCase))
return suite
|
