Ele 3909 single error alerts are not sent

elementary/monitor/data_monitoring/alerts/data_monitoring_alerts.py

@@ -3,7 +3,7 @@
 from datetime import datetime
 from typing import DefaultDict, Dict, List, Optional, Union
 
-from alive_progress import alive_it
+from alive_progress import alive_bar
 
 from elementary.config.config import Config
 from elementary.monitor.alerts.alerts_groups import GroupedByTableAlerts
@@ -251,27 +251,29 @@ def _send_alerts(
             self.execution_properties["sent_alert_count"] = self.sent_alert_count
             return
 
-        alerts_with_progress_bar = alive_it(alerts, title="Sending alerts")
         sent_successfully_alerts = []
-        for alert, sent_successfully in self.alerts_integration.send_alerts(
-            alerts_with_progress_bar, self.config.group_alerts_threshold
-        ):
-            if sent_successfully:
-                if isinstance(alert, BaseAlertsGroup):
-                    sent_successfully_alerts.extend(alert.alerts)
+
+        with alive_bar(len(alerts), title="Sending alerts") as bar:
+            for alert, sent_successfully in self.alerts_integration.send_alerts(
+                alerts, self.config.group_alerts_threshold
+            ):
+                bar()
+                if sent_successfully:
+                    if isinstance(alert, BaseAlertsGroup):
+                        sent_successfully_alerts.extend(alert.alerts)
+                    else:
+                        sent_successfully_alerts.append(alert)
                 else:
-                    sent_successfully_alerts.append(alert)
-            else:
-                if isinstance(alert, BaseAlertsGroup):
-                    for inner_alert in alert.alerts:
+                    if isinstance(alert, BaseAlertsGroup):
+                        for inner_alert in alert.alerts:
+                            logger.error(
+                                f"Could not send the alert - {inner_alert.id}. Full alert: {json.dumps(inner_alert.data)}"
+                            )
+                    else:
                         logger.error(
-                            f"Could not send the alert - {inner_alert.id}. Full alert: {json.dumps(inner_alert.data)}"
+                            f"Could not send the alert - {alert.id}. Full alert: {json.dumps(alert.data)}"
                         )
-                else:
-                    logger.error(
-                        f"Could not send the alert - {alert.id}. Full alert: {json.dumps(alert.data)}"
-                    )
-                self.success = False
+                    self.success = False
 
         # Now update as sent:
         self.sent_alert_count = len(sent_successfully_alerts)

elementary/monitor/data_monitoring/alerts/integrations/base_integration.py

@@ -109,8 +109,8 @@ def send_alert(
     ) -> bool:
         raise NotImplementedError
 
+    @staticmethod
     def _group_alerts(
-        self,
         alerts: Sequence[
             Union[
                 TestAlertModel,
@@ -129,6 +129,9 @@ def _group_alerts(
             AlertsGroup,
         ]
     ]:
+        if not alerts:
+            return []
+
         flattened_alerts: List[
             Union[TestAlertModel, ModelAlertModel, SourceFreshnessAlertModel]
         ] = []

tests/mocks/data_monitoring/alerts/integrations/test_group_alerts.py

@@ -0,0 +1,70 @@
+from elementary.monitor.alerts.alerts_groups.alerts_group import AlertsGroup
+from elementary.monitor.alerts.test_alert import TestAlertModel
+from elementary.monitor.data_monitoring.alerts.integrations.base_integration import (
+    BaseIntegration,
+)
+
+
+def test_group_alerts():
+    grouped_alerts = BaseIntegration._group_alerts(alerts=[], threshold=0)
+    assert len(grouped_alerts) == 0
+    grouped_alerts = BaseIntegration._group_alerts(alerts=[], threshold=1)
+    assert len(grouped_alerts) == 0
+
+    alerts = [
+        TestAlertModel(
+            id="1",
+            test_unique_id="1",
+            elementary_unique_id="1",
+            test_name="1",
+            severity="WARN",
+            test_type="dbt_test",
+            test_sub_type="generic",
+            test_short_name="1",
+            alert_class_id="1",
+        )
+    ]
+    grouped_alerts = BaseIntegration._group_alerts(alerts=alerts, threshold=0)
+    assert len(grouped_alerts) == 1
+    assert isinstance(grouped_alerts[0], AlertsGroup)
+    assert grouped_alerts[0].alerts == alerts
+    grouped_alerts = BaseIntegration._group_alerts(alerts=alerts, threshold=1)
+    assert len(grouped_alerts) == 1
+    assert isinstance(grouped_alerts[0], AlertsGroup)
+    assert grouped_alerts[0].alerts == alerts
+
+    alerts = [
+        TestAlertModel(
+            id="1",
+            test_unique_id="1",
+            elementary_unique_id="1",
+            test_name="1",
+            severity="WARN",
+            test_type="dbt_test",
+            test_sub_type="generic",
+            test_short_name="1",
+            alert_class_id="1",
+        ),
+        TestAlertModel(
+            id="2",
+            test_unique_id="2",
+            elementary_unique_id="2",
+            test_name="2",
+            severity="WARN",
+            test_type="dbt_test",
+            test_sub_type="generic",
+            test_short_name="2",
+            alert_class_id="2",
+        ),
+    ]
+    grouped_alerts = BaseIntegration._group_alerts(alerts=alerts, threshold=0)
+    assert len(grouped_alerts) == 1
+    assert isinstance(grouped_alerts[0], AlertsGroup)
+    assert grouped_alerts[0].alerts == alerts
+    grouped_alerts = BaseIntegration._group_alerts(alerts=alerts, threshold=2)
+    assert len(grouped_alerts) == 1
+    assert isinstance(grouped_alerts[0], AlertsGroup)
+    assert grouped_alerts[0].alerts == alerts
+    grouped_alerts = BaseIntegration._group_alerts(alerts=alerts, threshold=10)
+    assert len(grouped_alerts) == 2
+    assert grouped_alerts == alerts