REF: misplaced to_datetime, date_range tests (#32920)

Author: jbrockmendel

pandas/tests/indexes/datetimes/test_date_range.py

@@ -9,6 +9,7 @@
 import pytz
 from pytz import timezone
 
+from pandas._libs.tslibs import timezones
 from pandas.errors import OutOfBoundsDatetime
 import pandas.util._test_decorators as td
 
@@ -662,6 +663,60 @@ def test_negative_non_tick_frequency_descending_dates(self, tz_aware_fixture):
         tm.assert_index_equal(result, expected)
 
 
+class TestDateRangeTZ:
+    """Tests for date_range with timezones"""
+
+    def test_hongkong_tz_convert(self):
+        # GH#1673 smoke test
+        dr = date_range("2012-01-01", "2012-01-10", freq="D", tz="Hongkong")
+
+        # it works!
+        dr.hour
+
+    @pytest.mark.parametrize("tzstr", ["US/Eastern", "dateutil/US/Eastern"])
+    def test_date_range_span_dst_transition(self, tzstr):
+        # GH#1778
+
+        # Standard -> Daylight Savings Time
+        dr = date_range("03/06/2012 00:00", periods=200, freq="W-FRI", tz="US/Eastern")
+
+        assert (dr.hour == 0).all()
+
+        dr = date_range("2012-11-02", periods=10, tz=tzstr)
+        result = dr.hour
+        expected = pd.Index([0] * 10)
+        tm.assert_index_equal(result, expected)
+
+    @pytest.mark.parametrize("tzstr", ["US/Eastern", "dateutil/US/Eastern"])
+    def test_date_range_timezone_str_argument(self, tzstr):
+        tz = timezones.maybe_get_tz(tzstr)
+        result = date_range("1/1/2000", periods=10, tz=tzstr)
+        expected = date_range("1/1/2000", periods=10, tz=tz)
+
+        tm.assert_index_equal(result, expected)
+
+    def test_date_range_with_fixedoffset_noname(self):
+        from pandas.tests.indexes.datetimes.test_timezones import fixed_off_no_name
+
+        off = fixed_off_no_name
+        start = datetime(2012, 3, 11, 5, 0, 0, tzinfo=off)
+        end = datetime(2012, 6, 11, 5, 0, 0, tzinfo=off)
+        rng = date_range(start=start, end=end)
+        assert off == rng.tz
+
+        idx = pd.Index([start, end])
+        assert off == idx.tz
+
+    @pytest.mark.parametrize("tzstr", ["US/Eastern", "dateutil/US/Eastern"])
+    def test_date_range_with_tz(self, tzstr):
+        stamp = Timestamp("3/11/2012 05:00", tz=tzstr)
+        assert stamp.hour == 5
+
+        rng = date_range("3/11/2012 04:00", periods=10, freq="H", tz=tzstr)
+
+        assert stamp == rng[1]
+
+
 class TestGenRangeGeneration:
     def test_generate(self):
         rng1 = list(generate_range(START, END, offset=BDay()))

pandas/tests/indexes/datetimes/test_timezones.py

@@ -1161,74 +1161,3 @@ def test_iteration_preserves_nanoseconds(self, tz):
         )
         for i, ts in enumerate(index):
             assert ts == index[i]
-
-
-class TestDateRange:
-    """Tests for date_range with timezones"""
-
-    def test_hongkong_tz_convert(self):
-        # GH#1673 smoke test
-        dr = date_range("2012-01-01", "2012-01-10", freq="D", tz="Hongkong")
-
-        # it works!
-        dr.hour
-
-    @pytest.mark.parametrize("tzstr", ["US/Eastern", "dateutil/US/Eastern"])
-    def test_date_range_span_dst_transition(self, tzstr):
-        # GH#1778
-
-        # Standard -> Daylight Savings Time
-        dr = date_range("03/06/2012 00:00", periods=200, freq="W-FRI", tz="US/Eastern")
-
-        assert (dr.hour == 0).all()
-
-        dr = date_range("2012-11-02", periods=10, tz=tzstr)
-        result = dr.hour
-        expected = Index([0] * 10)
-        tm.assert_index_equal(result, expected)
-
-    @pytest.mark.parametrize("tzstr", ["US/Eastern", "dateutil/US/Eastern"])
-    def test_date_range_timezone_str_argument(self, tzstr):
-        tz = timezones.maybe_get_tz(tzstr)
-        result = date_range("1/1/2000", periods=10, tz=tzstr)
-        expected = date_range("1/1/2000", periods=10, tz=tz)
-
-        tm.assert_index_equal(result, expected)
-
-    def test_date_range_with_fixedoffset_noname(self):
-        off = fixed_off_no_name
-        start = datetime(2012, 3, 11, 5, 0, 0, tzinfo=off)
-        end = datetime(2012, 6, 11, 5, 0, 0, tzinfo=off)
-        rng = date_range(start=start, end=end)
-        assert off == rng.tz
-
-        idx = Index([start, end])
-        assert off == idx.tz
-
-    @pytest.mark.parametrize("tzstr", ["US/Eastern", "dateutil/US/Eastern"])
-    def test_date_range_with_tz(self, tzstr):
-        stamp = Timestamp("3/11/2012 05:00", tz=tzstr)
-        assert stamp.hour == 5
-
-        rng = date_range("3/11/2012 04:00", periods=10, freq="H", tz=tzstr)
-
-        assert stamp == rng[1]
-
-
-class TestToDatetime:
-    """Tests for the to_datetime constructor with timezones"""
-
-    def test_to_datetime_utc(self):
-        arr = np.array([dateutil.parser.parse("2012-06-13T01:39:00Z")], dtype=object)
-
-        result = to_datetime(arr, utc=True)
-        assert result.tz is pytz.utc
-
-    def test_to_datetime_fixed_offset(self):
-        dates = [
-            datetime(2000, 1, 1, tzinfo=fixed_off),
-            datetime(2000, 1, 2, tzinfo=fixed_off),
-            datetime(2000, 1, 3, tzinfo=fixed_off),
-        ]
-        result = to_datetime(dates)
-        assert result.tz == fixed_off

pandas/tests/tools/test_to_datetime.py

@@ -1056,6 +1056,23 @@ def test_to_datetime_with_format_out_of_bounds(self, dt_str):
         with pytest.raises(OutOfBoundsDatetime):
             pd.to_datetime(dt_str, format="%Y%m%d")
 
+    def test_to_datetime_utc(self):
+        arr = np.array([parse("2012-06-13T01:39:00Z")], dtype=object)
+
+        result = to_datetime(arr, utc=True)
+        assert result.tz is pytz.utc
+
+    def test_to_datetime_fixed_offset(self):
+        from pandas.tests.indexes.datetimes.test_timezones import fixed_off
+
+        dates = [
+            datetime(2000, 1, 1, tzinfo=fixed_off),
+            datetime(2000, 1, 2, tzinfo=fixed_off),
+            datetime(2000, 1, 3, tzinfo=fixed_off),
+        ]
+        result = to_datetime(dates)
+        assert result.tz == fixed_off
+
 
 class TestToDatetimeUnit:
     @pytest.mark.parametrize("cache", [True, False])