rok commented on code in PR #44070:
URL: https://github.com/apache/arrow/pull/44070#discussion_r1757260949
##########
python/pyarrow/tests/test_extension_type.py:
##########
@@ -1926,3 +1926,31 @@ def test_bool8_scalar():
assert pa.scalar(1, type=pa.bool8()).as_py() is True
assert pa.scalar(2, type=pa.bool8()).as_py() is True
assert pa.scalar(None, type=pa.bool8()).as_py() is None
+
+
[email protected]("str_type", (pa.utf8, pa.large_utf8))
+def test_json(str_type):
+ storage_type = str_type()
+ data = ['{"a": 1}', '{"b": 2}', None]
+ storage = pa.array(data, type=storage_type)
+ json_type = pa.json(storage_type)
+
+ assert json_type.extension_name == "arrow.json"
+ assert json_type.storage_type == storage_type
+ assert json_type.__class__ is pa.JsonType
+
+ array = pa.ExtensionArray.from_storage(json_type, storage)
+
+ assert array.to_pylist() == data
+ assert array[0].as_py() == data[0]
+ assert array[2].as_py() is None
+
+ buf = ipc_write_batch(pa.RecordBatch.from_arrays([array], ["json"]))
Review Comment:
Seems like casting was [just
merged](https://github.com/apache/arrow/issues/42247). Reintroducing the test.
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