feat: make command parameter optional in set_alarm mutation

tests/test_crontab.py

@@ -3,16 +3,19 @@ import tempfile
 import uuid
 from api.crontab_manager import CrontabManager
 
+
 @pytest.fixture
 def crontab_file():
-    with tempfile.NamedTemporaryFile(mode='w+', delete=False) as f:
+    with tempfile.NamedTemporaryFile(mode="w+", delete=False) as f:
         pass
     yield f.name
 
+
 def test_crontab_manager_empty(crontab_file):
     manager = CrontabManager(tabfile=crontab_file)
     assert manager.get_alarms() == []
 
+
 def test_add_and_list_alarm(crontab_file):
     manager = CrontabManager(tabfile=crontab_file)
     alarm_id = str(uuid.uuid4())
@@ -20,9 +23,9 @@ def test_add_and_list_alarm(crontab_file):
         alarm_id=alarm_id,
         cron_expression="30 7 * * *",
         command="python wecker.py",
-        is_enabled=True
+        is_enabled=True,
     )
-    
+
     alarms = manager.get_alarms()
     assert len(alarms) == 1
     assert alarms[0]["id"] == alarm_id
@@ -30,6 +33,7 @@ def test_add_and_list_alarm(crontab_file):
     assert alarms[0]["command"] == "python wecker.py"
     assert alarms[0]["is_enabled"] is True
 
+
 def test_update_alarm(crontab_file):
     manager = CrontabManager(tabfile=crontab_file)
     alarm_id = "test-id"
@@ -37,27 +41,28 @@ def test_update_alarm(crontab_file):
         alarm_id=alarm_id,
         cron_expression="30 7 * * *",
         command="python wecker.py",
-        is_enabled=True
+        is_enabled=True,
     )
-    
+
     manager.set_alarm(
         alarm_id=alarm_id,
         cron_expression="0 8 * * *",
         command="python wecker.py --loud",
-        is_enabled=False
+        is_enabled=False,
     )
-    
+
     alarms = manager.get_alarms()
     assert len(alarms) == 1
     assert alarms[0]["cron_expression"] == "0 8 * * *"
     assert alarms[0]["command"] == "python wecker.py --loud"
     assert alarms[0]["is_enabled"] is False
 
+
 def test_delete_alarm(crontab_file):
     manager = CrontabManager(tabfile=crontab_file)
     alarm_id = "test-id-2"
     manager.set_alarm(alarm_id, "0 0 * * *", "cmd", True)
     assert len(manager.get_alarms()) == 1
-    
+
     manager.delete_alarm(alarm_id)
     assert len(manager.get_alarms()) == 0