https://github.com/python/cpython/commit/d333e5aa59f6cc20198502f4ff50b14eabde9b8b
commit: d333e5aa59f6cc20198502f4ff50b14eabde9b8b
branch: main
author: David <[email protected]>
committer: encukou <[email protected]>
date: 2026-07-21T17:08:01+02:00
summary:
Test `object_hook` and pickleability of some JSON components (GH-154155)
files:
A Lib/test/test_json/test_pickleable.py
M Lib/test/test_json/test_decode.py
diff --git a/Lib/test/test_json/test_decode.py
b/Lib/test/test_json/test_decode.py
index 33aeefa92f282ae..7bff16ddf2155e9 100644
--- a/Lib/test/test_json/test_decode.py
+++ b/Lib/test/test_json/test_decode.py
@@ -48,6 +48,26 @@ def test_empty_objects(self):
self.assertEqual(self.loads('[]'), [])
self.assertEqual(self.loads('""'), "")
+ def test_object_hook(self):
+ s = '{"a":{"b":{}}}'
+
+ expected_result = {"a":{"b":{"x":1}, "x":1}, "x":1}
+ expected_hook_arguments = [
+ {}, {"b": {"x":1}}, {"a": {"b": {"x":1}, "x":1}}
+ ]
+
+ hook_arguments = []
+
+ def hook(x):
+ hook_arguments.append(x)
+ return {**x, "x":1}
+
+ result = self.loads(s, object_hook=hook)
+
+ self.assertEqual(result, expected_result)
+ self.assertEqual(hook_arguments, expected_hook_arguments)
+
+
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),
diff --git a/Lib/test/test_json/test_pickleable.py
b/Lib/test/test_json/test_pickleable.py
new file mode 100644
index 000000000000000..517cfcdd41a3516
--- /dev/null
+++ b/Lib/test/test_json/test_pickleable.py
@@ -0,0 +1,14 @@
+import json
+import pickle
+import unittest
+
+class TestPickleable(unittest.TestCase):
+ def test_json_decode_error_is_pickleable(self):
+ e = json.JSONDecodeError(msg="abc", doc="def", pos=7)
+
+ pickled = pickle.dumps(e)
+ unpickled = pickle.loads(pickled)
+
+ self.assertEqual(unpickled.msg, e.msg)
+ self.assertEqual(unpickled.doc, e.doc)
+ self.assertEqual(unpickled.pos, e.pos)
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