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import collections
from test.test_json import PyTest, CTest
class TestDefault:
def test_default(self):
self.assertEqual(
self.dumps(type, default=repr),
self.dumps(repr(type)))
def test_bad_default(self):
def default(obj):
if obj is NotImplemented:
raise ValueError
if obj is ...:
return NotImplemented
if obj is type:
return collections
return [...]
with self.assertRaises(ValueError) as cm:
self.dumps(type, default=default)
self.assertEqual(cm.exception.__notes__,
['when serializing ellipsis object',
'when serializing list item 0',
'when serializing module object',
'when serializing type object'])
def test_ordereddict(self):
od = collections.OrderedDict(a=1, b=2, c=3, d=4)
od.move_to_end('b')
self.assertEqual(
self.dumps(od),
'{"a": 1, "c": 3, "d": 4, "b": 2}')
self.assertEqual(
self.dumps(od, sort_keys=True),
'{"a": 1, "b": 2, "c": 3, "d": 4}')
class TestPyDefault(TestDefault, PyTest): pass
class TestCDefault(TestDefault, CTest): pass
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