import unittest
from simplejson.compat import StringIO
import simplejson as json
def iter_dumps(obj, **kw):
return ''.join(json.JSONEncoder(**kw).iterencode(obj))
def sio_dump(obj, **kw):
sio = StringIO()
json.dumps(obj, **kw)
return sio.getvalue()
class TestIterable(unittest.TestCase):
def test_iterable(self):
for l in ([], [1], [1, 2], [1, 2, 3]):
for opts in [{}, {'indent': 2}]:
for dumps in (json.dumps, iter_dumps, sio_dump):
expect = dumps(l, **opts)
default_expect = dumps(sum(l), **opts)
# Default is False
self.assertRaises(TypeError, dumps, iter(l), **opts)
self.assertRaises(TypeError, dumps, iter(l), iterable_as_array=False, **opts)
self.assertEqual(expect, dumps(iter(l), iterable_as_array=True, **opts))
# Ensure that the "default" gets called
self.assertEqual(default_expect, dumps(iter(l), default=sum, **opts))
self.assertEqual(default_expect, dumps(iter(l), iterable_as_array=False, default=sum, **opts))
# Ensure that the "default" does not get called
self.assertEqual(
expect,
dumps(iter(l), iterable_as_array=True, default=sum, **opts))
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