Add test to for message without time and timestamp

clients/pkg/promtail/targets/azureeventhubs/parser.go

@@ -61,22 +61,23 @@ func (l azureMonitorResourceLog) isTimeOrTimeStampFieldSet() bool {
 // getTime returns time from `time` or `timeStamp` field. If both fields are set, `time` is used. If both fields are empty, error is returned.
 func (l azureMonitorResourceLog) getTime() (time.Time, error) {
 	if len(l.Time) == 0 && len(l.TimeStamp) == 0 {
+		var t time.Time
 		return t, errors.New("time and timeStamp fields are empty")
 	}
-	
+
 	if len(l.Time) != 0 {
 		t, err := time.Parse(time.RFC3339, l.Time)
 		if err != nil {
 			return t, err
 		}
-		
+
 		return t.UTC(), nil
 	}
 
-        t, err := time.Parse(time.RFC3339, l.TimeStamp)
-        if err != nil {
-	        return t, err
-        }
+	t, err := time.Parse(time.RFC3339, l.TimeStamp)
+	if err != nil {
+		return t, err
+	}
 
 	return t.UTC(), nil
 }

clients/pkg/promtail/targets/azureeventhubs/parser_test.go

@@ -273,3 +273,17 @@ func Test_parseMessage_message_without_time_with_time_stamp(t *testing.T) {
 
 	assert.Equal(t, time.Date(2024, time.September, 18, 00, 45, 9, 0, time.UTC), entries[0].Timestamp)
 }
+
+func Test_parseMessage_message_without_time_and_time_stamp(t *testing.T) {
+	messageParser := &messageParser{
+		disallowCustomMessages: true,
+	}
+
+	message := &sarama.ConsumerMessage{
+		Value:     readFile(t, "testdata/message_without_time_and_time_stamp.json"),
+		Timestamp: time.Date(2023, time.March, 17, 8, 44, 02, 0, time.UTC),
+	}
+
+	_, err := messageParser.Parse(message, nil, nil, true)
+	assert.EqualError(t, err, "required field or fields is empty")
+}

clients/pkg/promtail/targets/azureeventhubs/testdata/message_without_time_and_time_stamp.json

@@ -0,0 +1,9 @@
+{
+  "records": [
+    {
+      "resourceId": "/RESOURCE_ID",
+      "operationName": "ApplicationGatewayAccess",
+      "category": "ApplicationGatewayAccessLog"
+    }
+  ]
+}