TST: add read_json test for issue #32383

pandas/tests/indexes/datetimes/test_datetime.py

@@ -1,4 +1,4 @@
-from datetime import date
+from datetime import date, timedelta
 
 import dateutil
 import numpy as np
@@ -44,6 +44,45 @@ def test_reindex_preserves_tz_if_target_is_empty_list_or_array(self):
         assert str(index.reindex([])[0].tz) == "US/Eastern"
         assert str(index.reindex(np.array([]))[0].tz) == "US/Eastern"
 
+    def test_reindex_with_same_tz(self):
+        # GH 32740
+        rng_a = date_range("2010-01-01", "2010-01-02", periods=24, tz="utc")
+        rng_b = date_range("2010-01-01", "2010-01-02", periods=23, tz="utc")
+        result1, result2 = rng_a.reindex(
+            rng_b, method="nearest", tolerance=timedelta(seconds=20)
+        )
+        expected_list1 = [
+            "2010-01-01 00:00:00",
+            "2010-01-01 01:05:27.272727272",
+            "2010-01-01 02:10:54.545454545",
+            "2010-01-01 03:16:21.818181818",
+            "2010-01-01 04:21:49.090909090",
+            "2010-01-01 05:27:16.363636363",
+            "2010-01-01 06:32:43.636363636",
+            "2010-01-01 07:38:10.909090909",
+            "2010-01-01 08:43:38.181818181",
+            "2010-01-01 09:49:05.454545454",
+            "2010-01-01 10:54:32.727272727",
+            "2010-01-01 12:00:00",
+            "2010-01-01 13:05:27.272727272",
+            "2010-01-01 14:10:54.545454545",
+            "2010-01-01 15:16:21.818181818",
+            "2010-01-01 16:21:49.090909090",
+            "2010-01-01 17:27:16.363636363",
+            "2010-01-01 18:32:43.636363636",
+            "2010-01-01 19:38:10.909090909",
+            "2010-01-01 20:43:38.181818181",
+            "2010-01-01 21:49:05.454545454",
+            "2010-01-01 22:54:32.727272727",
+            "2010-01-02 00:00:00",
+        ]
+        expected1 = DatetimeIndex(
+            expected_list1, dtype="datetime64[ns, UTC]", freq=None,
+        )
+        expected2 = np.array([0] + [-1] * 21 + [23], dtype=np.int64,)
+        tm.assert_index_equal(result1, expected1)
+        tm.assert_numpy_array_equal(result2, expected2)
+
     def test_time_loc(self):  # GH8667
         from datetime import time
         from pandas._libs.index import _SIZE_CUTOFF

pandas/tests/io/json/test_json_table_schema.py

@@ -237,6 +237,22 @@ def test_build_series(self):
 
         assert result == expected
 
+    def test_read_json(self):
+        df = pd.DataFrame(
+            {
+                "_id": {"0": "0"},
+                "category": {"0": "Goods"},
+                "recommender_id": {"0": "3"},
+                "recommender_name_en": {"0": "Urata"},
+                "name_en": {"0": "Hakata Dolls Matsuo"},
+            }
+        )
+        df_json = df.to_json()
+        df_dict = json.loads(df_json)
+        result = pd.read_json(df_json)
+        expected = pd.DataFrame().from_dict(df_dict)
+        tm.assert_frame_equal(result, expected)
+
     def test_to_json(self):
         df = self.df.copy()
         df.index.name = "idx"