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import py
py.test.skip("XXX: crashes: issue 1773")
class AppTestCopy:
spaceconfig = dict(usemodules=['_continuation'],
continuation=True)
def test_basic_setup(self):
from _continuation import continulet
lst = [4]
co = continulet(lst.append)
assert lst == [4]
res = co.switch()
assert res is None
assert lst == [4, co]
def test_copy_continulet_not_started(self):
from _continuation import continulet, error
import copy
lst = []
co = continulet(lst.append)
co2, lst2 = copy.deepcopy((co, lst))
#
assert lst == []
co.switch()
assert lst == [co]
#
assert lst2 == []
co2.switch()
assert lst2 == [co2]
def test_copy_continulet_not_started_multiple(self):
from _continuation import continulet, error
import copy
lst = []
co = continulet(lst.append)
co2, lst2 = copy.deepcopy((co, lst))
co3, lst3 = copy.deepcopy((co, lst))
co4, lst4 = copy.deepcopy((co, lst))
#
assert lst == []
co.switch()
assert lst == [co]
#
assert lst2 == []
co2.switch()
assert lst2 == [co2]
#
assert lst3 == []
co3.switch()
assert lst3 == [co3]
#
assert lst4 == []
co4.switch()
assert lst4 == [co4]
def test_copy_continulet_real(self):
import types, sys
mod = types.ModuleType('test_copy_continulet_real')
sys.modules['test_copy_continulet_real'] = mod
exec('''if 1:
from _continuation import continulet
import copy
def f(co, x):
co.switch(x + 1)
co.switch(x + 2)
return x + 3
co = continulet(f, 40)
res = co.switch()
assert res == 41
co2 = copy.deepcopy(co)
#
res = co2.switch()
assert res == 42
assert co2.is_pending()
res = co2.switch()
assert res == 43
assert not co2.is_pending()
#
res = co.switch()
assert res == 42
assert co.is_pending()
res = co.switch()
assert res == 43
assert not co.is_pending()
''', mod.__dict__)
def test_copy_continulet_already_finished(self):
from _continuation import continulet, error
import copy
lst = []
co = continulet(lst.append)
co.switch()
co2 = copy.deepcopy(co)
assert not co.is_pending()
assert not co2.is_pending()
raises(error, co.__init__, lst.append)
raises(error, co2.__init__, lst.append)
raises(error, co.switch)
raises(error, co2.switch)
class AppTestPickle:
version = 0
spaceconfig = {
"usemodules": ['_continuation', 'struct', 'binascii'],
"continuation": True,
}
def setup_class(cls):
cls.space.appexec([], """():
global continulet, A, __name__
import sys
__name__ = 'test_pickle_continulet'
thismodule = type(sys)(__name__)
sys.modules[__name__] = thismodule
from _continuation import continulet
class A(continulet):
pass
thismodule.__dict__.update(globals())
""")
cls.w_version = cls.space.wrap(cls.version)
def test_pickle_continulet_empty(self):
from _continuation import continulet
lst = [4]
co = continulet.__new__(continulet)
import pickle
pckl = pickle.dumps(co, self.version)
print(repr(pckl))
co2 = pickle.loads(pckl)
assert co2 is not co
assert not co.is_pending()
assert not co2.is_pending()
# the empty unpickled coroutine can still be used:
result = [5]
co2.__init__(result.append)
res = co2.switch()
assert res is None
assert result == [5, co2]
def test_pickle_continulet_empty_subclass(self):
from test_pickle_continulet import continulet, A
lst = [4]
co = continulet.__new__(A)
co.foo = 'bar'
co.bar = 'baz'
import pickle
pckl = pickle.dumps(co, self.version)
print(repr(pckl))
co2 = pickle.loads(pckl)
assert co2 is not co
assert not co.is_pending()
assert not co2.is_pending()
assert type(co) is type(co2) is A
assert co.foo == co2.foo == 'bar'
assert co.bar == co2.bar == 'baz'
# the empty unpickled coroutine can still be used:
result = [5]
co2.__init__(result.append)
res = co2.switch()
assert res is None
assert result == [5, co2]
def test_pickle_continulet_not_started(self):
from _continuation import continulet, error
import pickle
lst = []
co = continulet(lst.append)
pckl = pickle.dumps((co, lst))
print(pckl)
del co, lst
for i in range(2):
print('resume...')
co2, lst2 = pickle.loads(pckl)
assert lst2 == []
co2.switch()
assert lst2 == [co2]
def test_pickle_continulet_real(self):
import types, sys
mod = types.ModuleType('test_pickle_continulet_real')
sys.modules['test_pickle_continulet_real'] = mod
mod.version = self.version
exec('''if 1:
from _continuation import continulet
import pickle
def f(co, x):
co.switch(x + 1)
co.switch(x + 2)
return x + 3
co = continulet(f, 40)
res = co.switch()
assert res == 41
pckl = pickle.dumps(co, version)
print(repr(pckl))
co2 = pickle.loads(pckl)
#
res = co2.switch()
assert res == 42
assert co2.is_pending()
res = co2.switch()
assert res == 43
assert not co2.is_pending()
#
res = co.switch()
assert res == 42
assert co.is_pending()
res = co.switch()
assert res == 43
assert not co.is_pending()
''', mod.__dict__)
def test_pickle_continulet_real_subclass(self):
import types, sys
mod = types.ModuleType('test_pickle_continulet_real_subclass')
sys.modules['test_pickle_continulet_real_subclass'] = mod
mod.version = self.version
exec('''if 1:
from _continuation import continulet
import pickle
class A(continulet):
def __init__(self):
crash
def f(co):
co.switch(co.x + 1)
co.switch(co.x + 2)
return co.x + 3
co = A.__new__(A)
continulet.__init__(co, f)
co.x = 40
res = co.switch()
assert res == 41
pckl = pickle.dumps(co, version)
print(repr(pckl))
co2 = pickle.loads(pckl)
#
assert type(co2) is A
res = co2.switch()
assert res == 42
assert co2.is_pending()
res = co2.switch()
assert res == 43
assert not co2.is_pending()
#
res = co.switch()
assert res == 42
assert co.is_pending()
res = co.switch()
assert res == 43
assert not co.is_pending()
''', mod.__dict__)
class AppTestPickle_v1(AppTestPickle):
version = 1
class AppTestPickle_v2(AppTestPickle):
version = 2
|
