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from unittest import TestCase
import textwrap
import simplejson as json
from simplejson.compat import StringIO
class TestIndent(TestCase):
def test_indent(self):
h = [['blorpie'], ['whoops'], [], 'd-shtaeou', 'd-nthiouh',
'i-vhbjkhnth',
{'nifty': 87}, {'field': 'yes', 'morefield': False} ]
expect = textwrap.dedent("""\
[
\t[
\t\t"blorpie"
\t],
\t[
\t\t"whoops"
\t],
\t[],
\t"d-shtaeou",
\t"d-nthiouh",
\t"i-vhbjkhnth",
\t{
\t\t"nifty": 87
\t},
\t{
\t\t"field": "yes",
\t\t"morefield": false
\t}
]""")
d1 = json.dumps(h)
d2 = json.dumps(h, indent='\t', sort_keys=True, separators=(',', ': '))
d3 = json.dumps(h, indent=' ', sort_keys=True, separators=(',', ': '))
d4 = json.dumps(h, indent=2, sort_keys=True, separators=(',', ': '))
h1 = json.loads(d1)
h2 = json.loads(d2)
h3 = json.loads(d3)
h4 = json.loads(d4)
self.assertEqual(h1, h)
self.assertEqual(h2, h)
self.assertEqual(h3, h)
self.assertEqual(h4, h)
self.assertEqual(d3, expect.replace('\t', ' '))
self.assertEqual(d4, expect.replace('\t', ' '))
# NOTE: Python 2.4 textwrap.dedent converts tabs to spaces,
# so the following is expected to fail. Python 2.4 is not a
# supported platform in simplejson 2.1.0+.
self.assertEqual(d2, expect)
def test_indent0(self):
h = {3: 1}
def check(indent, expected):
d1 = json.dumps(h, indent=indent)
self.assertEqual(d1, expected)
sio = StringIO()
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}')
def test_separators(self):
lst = [1,2,3,4]
expect = '[\n1,\n2,\n3,\n4\n]'
expect_spaces = '[\n1, \n2, \n3, \n4\n]'
# Ensure that separators still works
self.assertEqual(
expect_spaces,
json.dumps(lst, indent=0, separators=(', ', ': ')))
# Force the new defaults
self.assertEqual(
expect,
json.dumps(lst, indent=0, separators=(',', ': ')))
# Added in 2.1.4
self.assertEqual(
expect,
json.dumps(lst, indent=0))