Edit: test_indent.py
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))
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