search for alarms, with test code

caldav/objects.py

@@ -1107,6 +1107,8 @@ def build_search_xml_query(
         expand=None,
         start=None,
         end=None,
+        alarm_start=None,
+        alarm_end=None,
         **kwargs
     ):
         """This method will produce a caldav search query as an etree object.
@@ -1165,6 +1167,11 @@ def build_search_xml_query(
         if start or end:
             filters.append(cdav.TimeRange(start, end))
 
+        if alarm_start or alarm_end:
+            filters.append(
+                cdav.CompFilter("VALARM") + cdav.TimeRange(alarm_start, alarm_end)
+            )
+
         if todo is not None:
             if not todo:
                 raise NotImplementedError()

tests/test_caldav.py

@@ -767,7 +767,8 @@ def testCreateEvent(self):
         events = c.events()
         assert len(events) == len(existing_events) + 2
 
-    def testCreateAlarm(self):
+    def testAlarm(self):
+        ## Ref https://github.com/python-caldav/caldav/issues/132
         c = self._fixCalendar()
         ev = c.save_event(
             dtstart=datetime(2015, 10, 10, 8, 7, 6),
@@ -776,7 +777,28 @@ def testCreateAlarm(self):
             alarm_trigger=timedelta(minutes=-15),
             alarm_action="AUDIO",
         )
-        pass
+
+        ## Search for the alarm (procrastinated - see https://github.com/python-caldav/caldav/issues/132)
+        assert (
+            len(
+                c.search(
+                    event=True,
+                    alarm_start=datetime(2015, 10, 10, 8, 1),
+                    alarm_end=datetime(2015, 10, 10, 8, 7),
+                )
+            )
+            == 0
+        )
+        assert (
+            len(
+                c.search(
+                    event=True,
+                    alarm_start=datetime(2015, 10, 10, 7, 44),
+                    alarm_end=datetime(2015, 10, 10, 8, 7),
+                )
+            )
+            == 1
+        )
 
     def testCalendarByFullURL(self):
         """