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Issue #22777: Test pickling with all protocols.

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This commit is contained in:
Serhiy Storchaka 2014-12-15 14:03:42 +02:00
parent 79b81738ef
commit bad1257c96
30 changed files with 701 additions and 621 deletions
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53
Lib/test/test_xml_etree.py
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@ -121,11 +121,11 @@ class ElementTestCase:
def setUpClass(cls):
cls.modules = {pyET, ET}
def pickleRoundTrip(self, obj, name, dumper, loader):
def pickleRoundTrip(self, obj, name, dumper, loader, proto):
save_m = sys.modules[name]
try:
sys.modules[name] = dumper
temp = pickle.dumps(obj)
temp = pickle.dumps(obj, proto)
sys.modules[name] = loader
result = pickle.loads(temp)
except pickle.PicklingError as pe:
@ -1677,33 +1677,36 @@ class BasicElementTest(ElementTestCase, unittest.TestCase):
def test_pickle(self):
# issue #16076: the C implementation wasn't pickleable.
for dumper, loader in product(self.modules, repeat=2):
e = dumper.Element('foo', bar=42)
e.text = "text goes here"
e.tail = "opposite of head"
dumper.SubElement(e, 'child').append(dumper.Element('grandchild'))
e.append(dumper.Element('child'))
e.findall('.//grandchild')[0].set('attr', 'other value')
for proto in range(2, pickle.HIGHEST_PROTOCOL + 1):
for dumper, loader in product(self.modules, repeat=2):
e = dumper.Element('foo', bar=42)
e.text = "text goes here"
e.tail = "opposite of head"
dumper.SubElement(e, 'child').append(dumper.Element('grandchild'))
e.append(dumper.Element('child'))
e.findall('.//grandchild')[0].set('attr', 'other value')
e2 = self.pickleRoundTrip(e, 'xml.etree.ElementTree',
dumper, loader)
e2 = self.pickleRoundTrip(e, 'xml.etree.ElementTree',
dumper, loader, proto)
self.assertEqual(e2.tag, 'foo')
self.assertEqual(e2.attrib['bar'], 42)
self.assertEqual(len(e2), 2)
self.assertEqualElements(e, e2)
self.assertEqual(e2.tag, 'foo')
self.assertEqual(e2.attrib['bar'], 42)
self.assertEqual(len(e2), 2)
self.assertEqualElements(e, e2)
def test_pickle_issue18997(self):
for dumper, loader in product(self.modules, repeat=2):
XMLTEXT = """<?xml version="1.0"?>
<group><dogs>4</dogs>
</group>"""
e1 = dumper.fromstring(XMLTEXT)
if hasattr(e1, '__getstate__'):
self.assertEqual(e1.__getstate__()['tag'], 'group')
e2 = self.pickleRoundTrip(e1, 'xml.etree.ElementTree', dumper, loader)
self.assertEqual(e2.tag, 'group')
self.assertEqual(e2[0].tag, 'dogs')
for proto in range(2, pickle.HIGHEST_PROTOCOL + 1):
for dumper, loader in product(self.modules, repeat=2):
XMLTEXT = """<?xml version="1.0"?>
<group><dogs>4</dogs>
</group>"""
e1 = dumper.fromstring(XMLTEXT)
if hasattr(e1, '__getstate__'):
self.assertEqual(e1.__getstate__()['tag'], 'group')
e2 = self.pickleRoundTrip(e1, 'xml.etree.ElementTree',
dumper, loader, proto)
self.assertEqual(e2.tag, 'group')
self.assertEqual(e2[0].tag, 'dogs')
class ElementTreeTypeTest(unittest.TestCase):