lib-python.2.7.json.tests.test_indent.py Maven / Gradle / Ivy

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import textwrap
from StringIO import StringIO
from json.tests import PyTest, CTest


class TestIndent(object):
    def test_indent(self):
        h = [['blorpie'], ['whoops'], [], 'd-shtaeou', 'd-nthiouh', 'i-vhbjkhnth',
             {'nifty': 87}, {'field': 'yes', 'morefield': False} ]

        expect = textwrap.dedent("""\
        [
          [
            "blorpie"
          ],
          [
            "whoops"
          ],
          [],
          "d-shtaeou",
          "d-nthiouh",
          "i-vhbjkhnth",
          {
            "nifty": 87
          },
          {
            "field": "yes",
            "morefield": false
          }
        ]""")


        d1 = self.dumps(h)
        d2 = self.dumps(h, indent=2, sort_keys=True, separators=(',', ': '))

        h1 = self.loads(d1)
        h2 = self.loads(d2)

        self.assertEqual(h1, h)
        self.assertEqual(h2, h)
        self.assertEqual(d2, expect)

    def test_indent0(self):
        h = {3: 1}
        def check(indent, expected):
            d1 = self.dumps(h, indent=indent)
            self.assertEqual(d1, expected)

            sio = StringIO()
            self.json.dump(h, sio, indent=indent)
            self.assertEqual(sio.getvalue(), expected)

        # indent=0 should emit newlines
        check(0, '{\n"3": 1\n}')
        # indent=None is more compact
        check(None, '{"3": 1}')


class TestPyIndent(TestIndent, PyTest): pass
class TestCIndent(TestIndent, CTest): pass