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Fixes issue #6766: Updated multiprocessing Proxy Objects to support nesting

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This commit is contained in:
Davin Potts 2016-09-07 18:48:01 -05:00
parent 1aa642f6bd
commit 86a7668426
3 changed files with 192 additions and 56 deletions
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70
Lib/test/_test_multiprocessing.py
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@ -1628,13 +1628,33 @@ class _TestContainers(BaseTestCase):
d = [a, b]
e = self.list(d)
self.assertEqual(
e[:],
[element[:] for element in e],
[[0, 1, 2, 3, 4, 5, 6, 7, 8, 9], [0, 1, 2, 3, 4, 0, 1, 2, 3, 4]]
)
f = self.list([a])
a.append('hello')
self.assertEqual(f[:], [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'hello']])
self.assertEqual(f[0][:], [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'hello'])
def test_list_proxy_in_list(self):
a = self.list([self.list(range(3)) for _i in range(3)])
self.assertEqual([inner[:] for inner in a], [[0, 1, 2]] * 3)
a[0][-1] = 55
self.assertEqual(a[0][:], [0, 1, 55])
for i in range(1, 3):
self.assertEqual(a[i][:], [0, 1, 2])
self.assertEqual(a[1].pop(), 2)
self.assertEqual(len(a[1]), 2)
for i in range(0, 3, 2):
self.assertEqual(len(a[i]), 3)
del a
b = self.list()
b.append(b)
del b
def test_dict(self):
d = self.dict()
@ -1646,6 +1666,52 @@ class _TestContainers(BaseTestCase):
self.assertEqual(sorted(d.values()), [chr(i) for i in indices])
self.assertEqual(sorted(d.items()), [(i, chr(i)) for i in indices])
def test_dict_proxy_nested(self):
pets = self.dict(ferrets=2, hamsters=4)
supplies = self.dict(water=10, feed=3)
d = self.dict(pets=pets, supplies=supplies)
self.assertEqual(supplies['water'], 10)
self.assertEqual(d['supplies']['water'], 10)
d['supplies']['blankets'] = 5
self.assertEqual(supplies['blankets'], 5)
self.assertEqual(d['supplies']['blankets'], 5)
d['supplies']['water'] = 7
self.assertEqual(supplies['water'], 7)
self.assertEqual(d['supplies']['water'], 7)
del pets
del supplies
self.assertEqual(d['pets']['ferrets'], 2)
d['supplies']['blankets'] = 11
self.assertEqual(d['supplies']['blankets'], 11)
pets = d['pets']
supplies = d['supplies']
supplies['water'] = 7
self.assertEqual(supplies['water'], 7)
self.assertEqual(d['supplies']['water'], 7)
d.clear()
self.assertEqual(len(d), 0)
self.assertEqual(supplies['water'], 7)
self.assertEqual(pets['hamsters'], 4)
l = self.list([pets, supplies])
l[0]['marmots'] = 1
self.assertEqual(pets['marmots'], 1)
self.assertEqual(l[0]['marmots'], 1)
del pets
del supplies
self.assertEqual(l[0]['marmots'], 1)
outer = self.list([[88, 99], l])
self.assertIsInstance(outer[0], list) # Not a ListProxy
self.assertEqual(outer[-1][-1]['feed'], 3)
def test_namespace(self):
n = self.Namespace()
n.name = 'Bob'