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authorEzio Melotti <ezio.melotti@gmail.com>2013-08-08 12:03:45 (GMT)
committerEzio Melotti <ezio.melotti@gmail.com>2013-08-08 12:03:45 (GMT)
commit66f2ea042acf792bf6ff432f409628e1cec99e43 (patch)
tree9d7e5a24d3f26eeeb63a0f00fa4758b5dde8d099 /Lib/test/test_json/test_decode.py
parent0d2d2b83935a516235f4dbce25aefad789d088cf (diff)
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#18273: move the tests in Lib/test/json_tests to Lib/test/test_json and make them discoverable by unittest. Patch by Zachary Ware.
Diffstat (limited to 'Lib/test/test_json/test_decode.py')
-rw-r--r--Lib/test/test_json/test_decode.py74
1 files changed, 74 insertions, 0 deletions
diff --git a/Lib/test/test_json/test_decode.py b/Lib/test/test_json/test_decode.py
new file mode 100644
index 0000000..d23e285
--- /dev/null
+++ b/Lib/test/test_json/test_decode.py
@@ -0,0 +1,74 @@
+import decimal
+from io import StringIO
+from collections import OrderedDict
+from test.test_json import PyTest, CTest
+
+
+class TestDecode:
+ def test_decimal(self):
+ rval = self.loads('1.1', parse_float=decimal.Decimal)
+ self.assertTrue(isinstance(rval, decimal.Decimal))
+ self.assertEqual(rval, decimal.Decimal('1.1'))
+
+ def test_float(self):
+ rval = self.loads('1', parse_int=float)
+ self.assertTrue(isinstance(rval, float))
+ self.assertEqual(rval, 1.0)
+
+ def test_empty_objects(self):
+ self.assertEqual(self.loads('{}'), {})
+ self.assertEqual(self.loads('[]'), [])
+ self.assertEqual(self.loads('""'), "")
+
+ def test_object_pairs_hook(self):
+ s = '{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}'
+ p = [("xkd", 1), ("kcw", 2), ("art", 3), ("hxm", 4),
+ ("qrt", 5), ("pad", 6), ("hoy", 7)]
+ self.assertEqual(self.loads(s), eval(s))
+ self.assertEqual(self.loads(s, object_pairs_hook=lambda x: x), p)
+ self.assertEqual(self.json.load(StringIO(s),
+ object_pairs_hook=lambda x: x), p)
+ od = self.loads(s, object_pairs_hook=OrderedDict)
+ self.assertEqual(od, OrderedDict(p))
+ self.assertEqual(type(od), OrderedDict)
+ # the object_pairs_hook takes priority over the object_hook
+ self.assertEqual(self.loads(s, object_pairs_hook=OrderedDict,
+ object_hook=lambda x: None),
+ OrderedDict(p))
+ # check that empty objects literals work (see #17368)
+ self.assertEqual(self.loads('{}', object_pairs_hook=OrderedDict),
+ OrderedDict())
+ self.assertEqual(self.loads('{"empty": {}}',
+ object_pairs_hook=OrderedDict),
+ OrderedDict([('empty', OrderedDict())]))
+
+ def test_decoder_optimizations(self):
+ # Several optimizations were made that skip over calls to
+ # the whitespace regex, so this test is designed to try and
+ # exercise the uncommon cases. The array cases are already covered.
+ rval = self.loads('{ "key" : "value" , "k":"v" }')
+ self.assertEqual(rval, {"key":"value", "k":"v"})
+
+ def check_keys_reuse(self, source, loads):
+ rval = loads(source)
+ (a, b), (c, d) = sorted(rval[0]), sorted(rval[1])
+ self.assertIs(a, c)
+ self.assertIs(b, d)
+
+ def test_keys_reuse(self):
+ s = '[{"a_key": 1, "b_\xe9": 2}, {"a_key": 3, "b_\xe9": 4}]'
+ self.check_keys_reuse(s, self.loads)
+ self.check_keys_reuse(s, self.json.decoder.JSONDecoder().decode)
+
+ def test_extra_data(self):
+ s = '[1, 2, 3]5'
+ msg = 'Extra data'
+ self.assertRaisesRegex(ValueError, msg, self.loads, s)
+
+ def test_invalid_escape(self):
+ s = '["abc\\y"]'
+ msg = 'escape'
+ self.assertRaisesRegex(ValueError, msg, self.loads, s)
+
+class TestPyDecode(TestDecode, PyTest): pass
+class TestCDecode(TestDecode, CTest): pass