test: night shifts in calendar

(cherry picked from commit ce61e1e)

hrms/hr/doctype/shift_assignment/shift_assignment.py

@@ -163,11 +163,14 @@ def get_events(start, end, filters=None):
 	return get_shift_events(assignments)
 
 
-def get_shift_assignments(start: str, end: str, filters: list) -> list[dict]:
+def get_shift_assignments(start: str, end: str, filters: str | list | None = None) -> list[dict]:
 	import json
 
 	if isinstance(filters, str):
 		filters = json.loads(filters)
+	if not filters:
+		filters = []
+
 	filters.extend([["start_date", ">=", start], ["end_date", "<=", end], ["docstatus", "=", 1]])
 
 	return frappe.get_list(

hrms/hr/doctype/shift_assignment/test_shift_assignment.py

@@ -227,7 +227,7 @@ def test_multiple_shift_assignments_for_same_day(self):
 		date = getdate()
 		make_shift_assignment(shift_type.name, employee, date)
 
-	def test_shift_assignment_calendar(self):
+	def test_calendar(self):
 		employee1 = make_employee("[email protected]", company="_Test Company")
 		employee2 = make_employee("[email protected]", company="_Test Company")
 
@@ -242,6 +242,17 @@ def test_shift_assignment_calendar(self):
 		self.assertEqual(len(events), 1)
 		self.assertEqual(events[0]["name"], shift1.name)
 
+	def test_calendar_for_night_shift(self):
+		employee1 = make_employee("[email protected]", company="_Test Company")
+
+		shift_type = setup_shift_type(shift_type="Shift 1", start_time="08:00:00", end_time="02:00:00")
+		date = getdate()
+		shift = make_shift_assignment(shift_type.name, employee1, date, date)
+
+		events = get_events(start=date, end=date)
+		self.assertEqual(events[0]["start_date"], get_datetime(f"{date} 08:00:00"))
+		self.assertEqual(events[0]["end_date"], get_datetime(f"{add_days(date, 1)} 02:00:00"))
+
 	def test_consecutive_day_and_night_shifts(self):
 		# defaults
 		employee = make_employee("[email protected]", company="_Test Company")