Added tests

pkg/services/alerting/notifiers/kafka_test.go

+package notifiers
+
+import (
+	"testing"
+
+	"github.com/grafana/grafana/pkg/components/simplejson"
+	m "github.com/grafana/grafana/pkg/models"
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestKafkaNotifier(t *testing.T) {
+	Convey("Kafka notifier tests", t, func() {
+
+		Convey("Parsing alert notification from settings", func() {
+			Convey("empty settings should return error", func() {
+				json := `{ }`
+
+				settingsJSON, _ := simplejson.NewJson([]byte(json))
+				model := &m.AlertNotification{
+					Name:     "kafka_testing",
+					Type:     "kafka",
+					Settings: settingsJSON,
+				}
+
+				_, err := NewKafkaNotifier(model)
+				So(err, ShouldNotBeNil)
+			})
+
+			Convey("settings should send an event to kafka", func() {
+				json := `
+				{
+					"kafkaEndpoint": "http://localhost:8082",
+					"kafkaTopic": "topic1"
+				}`
+
+				settingsJSON, _ := simplejson.NewJson([]byte(json))
+				model := &m.AlertNotification{
+					Name:     "kafka_testing",
+					Type:     "kafka",
+					Settings: settingsJSON,
+				}
+
+				not, err := NewKafkaNotifier(model)
+				kafkaNotifier := not.(*KafkaNotifier)
+
+				So(err, ShouldBeNil)
+				So(kafkaNotifier.Name, ShouldEqual, "kafka_testing")
+				So(kafkaNotifier.Type, ShouldEqual, "kafka")
+				So(kafkaNotifier.Endpoint, ShouldEqual, "http://localhost:8082")
+				So(kafkaNotifier.Topic, ShouldEqual, "topic1")
+			})
+
+		})
+	})
+}