From edd2d32d36f0c715e894ed4f4fd8f02ab0367fde Mon Sep 17 00:00:00 2001
From: Andrey Anshin <Andrey.Anshin@taragol.is>
Date: Tue, 19 Dec 2023 14:46:49 +0400
Subject: [PATCH] Add pendulum 3 test desiarilisation pendulum 2

---
 .../serializers/test_serializers.py           | 80 ++++++++++++++++++-
 1 file changed, 79 insertions(+), 1 deletion(-)

diff --git a/tests/serialization/serializers/test_serializers.py b/tests/serialization/serializers/test_serializers.py
index aab9f913957b6..e46f4e10b0289 100644
--- a/tests/serialization/serializers/test_serializers.py
+++ b/tests/serialization/serializers/test_serializers.py
@@ -21,11 +21,13 @@
 from unittest.mock import patch
 
 import numpy as np
+import pendulum
 import pendulum.tz
 import pytest
 from dateutil.tz import tzutc
 from deltalake import DeltaTable
-from pendulum import DateTime
+from pendulum import DateTime, Timezone
+from pendulum.tz.timezone import FixedTimezone
 from pyiceberg.catalog import Catalog
 from pyiceberg.io import FileIO
 from pyiceberg.table import Table
@@ -39,6 +41,8 @@
 else:
     from backports.zoneinfo import ZoneInfo
 
+PENDULUM3 = pendulum.__version__.startswith("3")
+
 
 class TestSerializers:
     def test_datetime(self):
@@ -222,3 +226,77 @@ def test_deltalake(self, mock_table_uri, mock_version, mock_deltalake, mock_meta
         assert i.version() == d.version()
         assert i._storage_options == d._storage_options
         assert d._storage_options is None
+
+    @pytest.mark.skipif(not PENDULUM3, reason="Test case for pendulum~=3")
+    @pytest.mark.parametrize(
+        "ser_value, expected",
+        [
+            pytest.param(
+                {
+                    "__classname__": "pendulum.datetime.DateTime",
+                    "__version__": 2,
+                    "__data__": {
+                        "timestamp": 1680307200.0,
+                        "tz": {
+                            "__classname__": "builtins.tuple",
+                            "__version__": 1,
+                            "__data__": ["UTC", "pendulum.tz.timezone.FixedTimezone", 1, True],
+                        },
+                    },
+                },
+                pendulum.datetime(2023, 4, 1, tz=Timezone("UTC")),
+                id="in-utc-timezone",
+            ),
+            pytest.param(
+                {
+                    "__classname__": "pendulum.datetime.DateTime",
+                    "__version__": 2,
+                    "__data__": {
+                        "timestamp": 1680292800.0,
+                        "tz": {
+                            "__classname__": "builtins.tuple",
+                            "__version__": 1,
+                            "__data__": ["Asia/Tbilisi", "pendulum.tz.timezone.Timezone", 1, True],
+                        },
+                    },
+                },
+                pendulum.datetime(2023, 4, 1, tz=Timezone("Asia/Tbilisi")),
+                id="non-dts-timezone",
+            ),
+            pytest.param(
+                {
+                    "__classname__": "pendulum.datetime.DateTime",
+                    "__version__": 2,
+                    "__data__": {
+                        "timestamp": 1680303600.0,
+                        "tz": {
+                            "__classname__": "builtins.tuple",
+                            "__version__": 1,
+                            "__data__": ["Europe/London", "pendulum.tz.timezone.Timezone", 1, True],
+                        },
+                    },
+                },
+                pendulum.datetime(2023, 4, 1, tz=Timezone("Europe/London")),
+                id="dts-timezone",
+            ),
+            pytest.param(
+                {
+                    "__classname__": "pendulum.datetime.DateTime",
+                    "__version__": 2,
+                    "__data__": {
+                        "timestamp": 1680310800.0,
+                        "tz": {
+                            "__classname__": "builtins.tuple",
+                            "__version__": 1,
+                            "__data__": [-3600, "pendulum.tz.timezone.FixedTimezone", 1, True],
+                        },
+                    },
+                },
+                pendulum.datetime(2023, 4, 1, tz=FixedTimezone(-3600)),
+                id="offset-timezone",
+            ),
+        ],
+    )
+    def test_pendulum_2_to_3(self, ser_value, expected):
+        """Test deserialize objects in pendulum 3 which serialised in pendulum 2."""
+        assert deserialize(ser_value) == expected