fix “today” parsing (joke2k#2153)

faker/providers/date_time/__init__.py

@@ -1942,7 +1942,7 @@ def _parse_date_time(cls, value: DateParseType, now: datetime, tzinfo: Optional[
         if isinstance(value, timedelta):
             return datetime_to_timestamp(now + value)
         if isinstance(value, str):
-            if value == "now":
+            if value in ("today", "now"):
                 return datetime_to_timestamp(datetime.now(tzinfo))
             time_params = cls._parse_date_string(value)
             return datetime_to_timestamp(now + timedelta(**time_params))  # type: ignore

tests/providers/test_date_time.py

@@ -443,6 +443,14 @@ def test_date_between(self):
         assert isinstance(random_date, date)
         self.assertBetween(random_date, _30_years_ago, _20_years_ago)
 
+    def test_date_between_end_today(self):
+        today = date.today()
+        _30_years_ago = change_year(today, -30)
+        random_date = self.fake.date_between(start_date="-30y", end_date="today")
+        assert isinstance(random_date, date)
+        self.assertBetween(random_date, _30_years_ago, today)
+
+
     def test_date_between_months(self):
         today = date.today()
         _2_months_ago = today - timedelta(days=2 * (365.24 / 12))