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Edit File: test_decimal.py
import decimal from decimal import Decimal from unittest import TestCase from simplejson.compat import StringIO, reload_module import simplejson as json class TestDecimal(TestCase): NUMS = "1.0", "10.00", "1.1", "1234567890.1234567890", "500" def dumps(self, obj, **kw): sio = StringIO() json.dump(obj, sio, **kw) res = json.dumps(obj, **kw) self.assertEqual(res, sio.getvalue()) return res def loads(self, s, **kw): sio = StringIO(s) res = json.loads(s, **kw) self.assertEqual(res, json.load(sio, **kw)) return res def test_decimal_encode(self): for d in map(Decimal, self.NUMS): self.assertEqual(self.dumps(d, use_decimal=True), str(d)) def test_decimal_decode(self): for s in self.NUMS: self.assertEqual(self.loads(s, parse_float=Decimal), Decimal(s)) def test_stringify_key(self): for d in map(Decimal, self.NUMS): v = {d: d} self.assertEqual( self.loads( self.dumps(v, use_decimal=True), parse_float=Decimal), {str(d): d}) def test_decimal_roundtrip(self): for d in map(Decimal, self.NUMS): # The type might not be the same (int and Decimal) but they # should still compare equal. for v in [d, [d], {'': d}]: self.assertEqual( self.loads( self.dumps(v, use_decimal=True), parse_float=Decimal), v) def test_decimal_defaults(self): d = Decimal('1.1') # use_decimal=True is the default self.assertRaises(TypeError, json.dumps, d, use_decimal=False) self.assertEqual('1.1', json.dumps(d)) self.assertEqual('1.1', json.dumps(d, use_decimal=True)) self.assertRaises(TypeError, json.dump, d, StringIO(), use_decimal=False) sio = StringIO() json.dump(d, sio) self.assertEqual('1.1', sio.getvalue()) sio = StringIO() json.dump(d, sio, use_decimal=True) self.assertEqual('1.1', sio.getvalue()) def test_decimal_reload(self): # Simulate a subinterpreter that reloads the Python modules but not # the C code https://github.com/simplejson/simplejson/issues/34 global Decimal Decimal = reload_module(decimal).Decimal import simplejson.encoder simplejson.encoder.Decimal = Decimal self.test_decimal_roundtrip()