test: add test for query builder parsing datetime.time

frappe/tests/test_query_builder.py

@@ -1,3 +1,4 @@
+from datetime import time
 import unittest
 from collections.abc import Callable
 
@@ -74,6 +75,30 @@ class TestCustomFunctionsMariaDB(FrappeTestCase):
 			str(select_query).lower(),
 		)
 
+	def test_time(self):
+		note = frappe.qb.DocType("Note")
+
+		self.assertEqual(
+			"TIMESTAMP('2021-01-01','00:00:21')", CombineDatetime("2021-01-01", time(0,0,21)).get_sql()
+		)
+
+		select_query = (
+			frappe.qb.from_(note)
+			.select(CombineDatetime(note.posting_date, note.posting_time))
+		)
+		self.assertIn(
+			"select timestamp(`posting_date`,`posting_time`)", str(select_query).lower()
+		)
+
+		select_query = select_query.where(
+			CombineDatetime(note.posting_date, note.posting_time)
+			>= CombineDatetime("2021-01-01", time(0,0,1))
+		)
+		self.assertIn(
+			"timestamp(`posting_date`,`posting_time`)>=timestamp('2021-01-01','00:00:01')",
+			str(select_query).lower(),
+		)
+
 	def test_cast(self):
 		note = frappe.qb.DocType("Note")
 		self.assertEqual("CONCAT(name,'')", Cast_(note.name, "varchar").get_sql())