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gh-122163: Add notes for JSON serialization errors (GH-122165)

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This allows to identify the source of the error.
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Serhiy Storchaka 2024-07-23 20:02:54 +03:00 • committed by GitHub
parent c908d1f87d
commit e6b25e9a09
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8 changed files with 135 additions and 66 deletions
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21
Lib/test/test_json/test_fail.py
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@ -100,8 +100,27 @@ class TestFail:
def test_not_serializable(self):
import sys
with self.assertRaisesRegex(TypeError,
'Object of type module is not JSON serializable'):
'Object of type module is not JSON serializable') as cm:
self.dumps(sys)
self.assertFalse(hasattr(cm.exception, '__notes__'))
with self.assertRaises(TypeError) as cm:
self.dumps([1, [2, 3, sys]])
self.assertEqual(cm.exception.__notes__,
['when serializing list item 2',
'when serializing list item 1'])
with self.assertRaises(TypeError) as cm:
self.dumps((1, (2, 3, sys)))
self.assertEqual(cm.exception.__notes__,
['when serializing tuple item 2',
'when serializing tuple item 1'])
with self.assertRaises(TypeError) as cm:
self.dumps({'a': {'b': sys}})
self.assertEqual(cm.exception.__notes__,
["when serializing dict item 'b'",
"when serializing dict item 'a'"])
def test_truncated_input(self):
test_cases = [