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""" test transparent proxy features
"""
import py
class AppProxyBasic(object):
spaceconfig = {"objspace.std.withtproxy": True}
def setup_method(self, meth):
self.w_Controller = self.space.appexec([], """():
class Controller(object):
def __init__(self, obj):
self.obj = obj
def perform(self, name, *args, **kwargs):
return getattr(self.obj, name)(*args, **kwargs)
return Controller
""")
self.w_proxy = self.space.appexec([], """():
from __pypy__ import tproxy
return tproxy
""")
class AppTestListProxy(AppProxyBasic):
def setup_class(cls):
py.test.skip("removed support for lists")
def test_proxy(self):
lst = self.proxy(list, lambda : None)
assert type(lst) is list
def test_proxy_repr(self):
def controller(name, *args):
lst = [1,2,3]
if name == '__repr__':
return repr(lst)
lst = self.proxy(list, controller)
assert repr(lst) == repr([1,2,3])
def test_proxy_append(self):
c = self.Controller([])
lst = self.proxy(list, c.perform)
lst.append(1)
lst.append(2)
assert repr(lst) == repr([1,2])
def test_gt_lt_list(self):
c = self.Controller([])
lst = self.proxy(list, c.perform)
lst.append(1)
lst.append(2)
assert lst < [1,2,3]
assert [1,2,3] > lst
assert lst == [1,2]
assert [1,2] == lst
assert [2,3] >= list(iter(lst))
assert lst < [2,3]
assert [2,3] >= lst
assert lst <= [1,2]
def test_add_list(self):
c = self.Controller([])
lst = self.proxy(list, c.perform)
lst.append(1)
assert lst + lst == [1,1]
assert lst + [1] == [1,1]
assert [1] + lst == [1,1]
def test_list_getitem(self):
c = self.Controller([1,2,3])
lst = self.proxy(list, c.perform)
assert lst[2] == 3
lst[1] = 0
assert lst[0] + lst[1] == 1
def test_list_setitem(self):
c = self.Controller([1,2,3])
lst = self.proxy(list, c.perform)
try:
lst[3] = "x"
except IndexError:
pass
else:
fail("Accessing outside a list didn't raise")
def test_list_inplace_add(self):
c = self.Controller([1,2,3])
lst = self.proxy(list, c.perform)
lst += [1,2,3]
assert len(lst) == 6
def test_list_reverse_add(self):
c = self.Controller([1,2,3])
lst = self.proxy(list, c.perform)
l = [1] + lst
assert l == [1,1,2,3]
class AppTestDictProxy(AppProxyBasic):
def setup_class(cls):
py.test.skip("removed support for dicts")
def test_dict(self):
c = self.Controller({"xx":1})
d = self.proxy(dict, c.perform)
assert d['xx'] == 1
assert 'yy' not in d
d2 = {'yy':3}
d.update(d2, x=4)
assert sorted(d.keys()) == ['x', 'xx', 'yy']
assert sorted(d.values()) == [1, 3, 4]
def test_dict_pop(self):
c = self.Controller({'x':1})
d = self.proxy(dict, c.perform)
assert d.pop('x') == 1
assert d.pop('x', None) is None
def test_dict_iter(self):
c = self.Controller({'a':1, 'b':2, 'c':3})
d = self.proxy(dict, c.perform)
d['z'] = 4
assert sorted(list(d.iterkeys())) == ['a', 'b', 'c', 'z']
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