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import py
from pypy.interpreter import executioncontext
from pypy.interpreter.error import OperationError
class Finished(Exception):
pass
class TestExecutionContext:
def test_action(self):
class DemoAction(executioncontext.AsyncAction):
counter = 0
def perform(self, ec, frame):
self.counter += 1
if self.counter == 10:
raise Finished
space = self.space
a1 = DemoAction(space)
for i in range(20):
# assert does not raise:
space.appexec([], """():
n = 5
return n + 2
""")
try:
for i in range(20):
a1.fire()
space.appexec([], """():
n = 5
return n + 2
""")
assert a1.counter == i + 1
except Finished:
pass
assert i == 9
def test_action_queue(self):
events = []
class Action1(executioncontext.AsyncAction):
def perform(self, ec, frame):
events.append('one')
class Action2(executioncontext.AsyncAction):
def perform(self, ec, frame):
events.append('two')
space = self.space
a1 = Action1(space)
a2 = Action2(space)
a1.fire()
a2.fire()
space.appexec([], """():
n = 5
return n + 2
""")
assert events == ['one', 'two']
#
events[:] = []
a1.fire()
space.appexec([], """():
n = 5
return n + 2
""")
assert events == ['one']
def test_fire_inside_perform(self):
# test what happens if we call AsyncAction.fire() while we are in the
# middle of an AsyncAction.perform(). In particular, this happens when
# PyObjectDeallocAction.fire() is called by rawrefcount: see issue
# 2805
events = []
class Action1(executioncontext.AsyncAction):
_count = 0
def perform(self, ec, frame):
events.append('one')
if self._count == 0:
# a1 is no longer in the queue, so it will be enqueued
a1.fire()
#
# a2 is still in the queue, so the fire() is ignored and
# it's performed in its normal order, i.e. BEFORE a3
a2.fire()
self._count += 1
class Action2(executioncontext.AsyncAction):
def perform(self, ec, frame):
events.append('two')
class Action3(executioncontext.AsyncAction):
def perform(self, ec, frame):
events.append('three')
space = self.space
a1 = Action1(space)
a2 = Action2(space)
a3 = Action3(space)
a1.fire()
a2.fire()
a3.fire()
space.appexec([], """():
pass
""")
assert events == ['one', 'two', 'three', 'one']
def test_periodic_action(self):
from pypy.interpreter.executioncontext import ActionFlag
class DemoAction(executioncontext.PeriodicAsyncAction):
counter = 0
def perform(self, ec, frame):
self.counter += 1
print '->', self.counter
if self.counter == 3:
raise Finished
space = self.space
a2 = DemoAction(space)
try:
space.actionflag.setcheckinterval(100)
space.actionflag.register_periodic_action(a2, True)
try:
for i in range(500):
space.appexec([], """():
n = 5
return n + 2
""")
except Finished:
pass
finally:
space.actionflag = ActionFlag() # reset to default
assert 10 < i < 110
def test_llprofile(self):
l = []
def profile_func(space, w_arg, frame, event, w_aarg):
assert w_arg is space.w_None
l.append(event)
space = self.space
space.getexecutioncontext().setllprofile(profile_func, space.w_None)
space.appexec([], """():
pass
""")
space.getexecutioncontext().setllprofile(None, None)
assert l[-4:] == ['call', 'return', 'call', 'return']
def test_llprofile_c_call(self):
from pypy.interpreter.function import Function, Method
l = []
seen = []
space = self.space
def profile_func(space, w_arg, frame, event, w_func):
assert w_arg is space.w_None
l.append(event)
if event == 'c_call':
seen.append(w_func)
def check_snippet(snippet, expected_c_call):
del l[:]
del seen[:]
space.getexecutioncontext().setllprofile(profile_func,
space.w_None)
space.appexec([], """():
%s
return
""" % snippet)
space.getexecutioncontext().setllprofile(None, None)
assert l[-6:] == ['call', 'return', 'call', 'c_call', 'c_return', 'return']
if isinstance(seen[-1], Method):
w_class = space.type(seen[-1].w_instance)
found = 'method %s of %s' % (
seen[-1].w_function.name,
w_class.getname(space).encode('utf-8'))
else:
assert isinstance(seen[-1], Function)
found = 'builtin %s' % seen[-1].name
assert found == expected_c_call
check_snippet('l = []; l.append(42)', 'method append of list')
check_snippet('max(1, 2)', 'builtin max')
check_snippet('args = (1, 2); max(*args)', 'builtin max')
check_snippet('max(1, 2, **{})', 'builtin max')
check_snippet('args = (1, 2); max(*args, **{})', 'builtin max')
check_snippet('abs(val=0)', 'builtin abs')
def test_llprofile_c_exception(self):
l = []
def profile_func(space, w_arg, frame, event, w_aarg):
assert w_arg is space.w_None
l.append(event)
space = self.space
space.getexecutioncontext().setllprofile(profile_func, space.w_None)
def check_snippet(snippet):
space.appexec([], """():
try:
%s
except:
pass
return
""" % snippet)
space.getexecutioncontext().setllprofile(None, None)
assert l[-6:] == ['call', 'return', 'call', 'c_call', 'c_exception', 'return']
check_snippet('d = {}; d.__getitem__(42)')
def test_c_call_setprofile_outer_frame(self):
space = self.space
w_events = space.appexec([], """():
import sys
l = []
def profile(frame, event, arg):
l.append(event)
def foo():
sys.setprofile(profile)
def bar():
foo()
max(1, 2)
bar()
sys.setprofile(None)
return l
""")
events = space.unwrap(w_events)
assert events == ['return', 'c_call', 'c_return', 'return', 'c_call']
def test_c_call_setprofile_kwargs(self):
space = self.space
w_events = space.appexec([], """():
import sys
l = []
def profile(frame, event, arg):
l.append(event)
def bar():
sys.setprofile(profile)
[].sort(reverse=True)
sys.setprofile(None)
bar()
return l
""")
events = space.unwrap(w_events)
assert events == ['c_call', 'c_return', 'c_call']
def test_c_call_setprofile_strange_method(self):
space = self.space
w_events = space.appexec([], """():
import sys
class A(object):
def __init__(self, value):
self.value = value
def meth(self):
pass
MethodType = type(A(0).meth)
strangemeth = MethodType(A, 42)
l = []
def profile(frame, event, arg):
l.append(event)
def foo():
sys.setprofile(profile)
def bar():
foo()
strangemeth()
bar()
sys.setprofile(None)
return l
""")
events = space.unwrap(w_events)
assert events == ['return', 'call', 'return', 'return', 'c_call']
def test_c_call_profiles_immediately(self):
space = self.space
w_events = space.appexec([], """():
import sys
l = []
def profile(frame, event, arg):
l.append((event, arg))
def bar():
sys.setprofile(profile)
max(3, 4)
bar()
sys.setprofile(None)
return l
""")
events = space.unwrap(w_events)
assert [i[0] for i in events] == ['c_call', 'c_return', 'return', 'c_call']
assert events[0][1] == events[1][1]
def test_profile_and_exception(self):
space = self.space
w_res = space.appexec([], """():
l = []
def profile(*args):
l.append(sys.exc_info()[0])
import sys
try:
sys.setprofile(profile)
try:
x
except:
expected = sys.exc_info()[0]
assert expected is NameError
for i in l:
assert expected is l[0]
finally:
sys.setprofile(None)
""")
class AppTestProfile:
def test_return(self):
import sys
l = []
def profile(frame, event, arg):
l.append((event, arg))
def bar(x):
return 40 + x
sys.setprofile(profile)
bar(2)
sys.setprofile(None)
assert l == [('call', None),
('return', 42),
('c_call', sys.setprofile)], repr(l)
def test_c_return(self):
import sys
l = []
def profile(frame, event, arg):
l.append((event, arg))
sys.setprofile(profile)
max(2, 42)
sys.setprofile(None)
assert l == [('c_call', max),
('c_return', max),
('c_call', sys.setprofile)], repr(l)
def test_exception(self):
import sys
l = []
def profile(frame, event, arg):
l.append((event, arg))
def f():
raise ValueError("foo")
sys.setprofile(profile)
try:
f()
except ValueError:
pass
sys.setprofile(None)
assert l == [('call', None),
('return', None),
('c_call', sys.setprofile)], repr(l)
def test_c_exception(self):
import sys
l = []
def profile(frame, event, arg):
l.append((event, arg))
sys.setprofile(profile)
try:
divmod(5, 0)
except ZeroDivisionError:
pass
sys.setprofile(None)
assert l == [('c_call', divmod),
('c_exception', divmod),
('c_call', sys.setprofile)], repr(l)
|
