fix: rocketry.time.RelativeDay

This is not used anywhere.

rocketry/test/time/interval/test_relative_day.py

@@ -0,0 +1,25 @@
+import datetime
+import pytest
+from rocketry.time import RelativeDay
+
+@pytest.mark.parametrize("day,left,right", [
+    pytest.param('today', datetime.datetime(2022, 5, 15), datetime.datetime(2022, 5, 15, 23, 59, 59, 999999)),  
+])
+def test_rollback(day, left, right):
+    rel_day = RelativeDay(day)
+
+    dt = datetime.datetime(2022, 5, 15)
+    interval = rel_day.rollback(dt)
+    assert interval.left == left
+    assert interval.right == right
+
+
+def test_rollforward():
+    rel_day = RelativeDay("today")
+    with pytest.raises(AttributeError):
+        interval = rel_day.rollforward(datetime.datetime(2022, 5, 15))
+
+
+def test_repr():
+    rel_day = RelativeDay("today")
+    repr(rel_day)

rocketry/time/interval.py

@@ -1,5 +1,6 @@
 
 import calendar
+import datetime
 import re
 
 import dateutil
@@ -298,16 +299,19 @@ class RelativeDay(TimeInterval):
     """
 
     offsets = {
-        "today": pd.Timedelta("0 day"),
-        "yesterday": pd.Timedelta("1 day"),
-        "the_day_before": pd.Timedelta("2 day"),
+        "today": datetime.timedelta(),
+        "yesterday": datetime.timedelta(days=1),
+        "the_day_before":datetime.timedelta(days=2),
         #"first_day_of_year": get_first_day_of_year,
     }
 
+    min_time = datetime.time.min
+    max_time = datetime.time.max
+
     def __init__(self, day, *, start_time=None, end_time=None):
         self.day = day
-        self.start_time = self.min.date() if start_time is None else start_time
-        self.end_time = self.max.date() if end_time is None else end_time
+        self.start_time = self.min_time if start_time is None else start_time
+        self.end_time = self.max_time if end_time is None else end_time
 
     def rollback(self, dt):
         offset = self.offsets[self.day]