Lib/json/tests/test_dump.py


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from unittest import TestCase
from io import StringIO

import json

class TestDump(TestCase):
    def test_dump(self):
        sio = StringIO()
        json.dump({}, sio)
        self.assertEquals(sio.getvalue(), '{}')

    def test_dumps(self):
        self.assertEquals(json.dumps({}), '{}')