feat(alerting): move alert deletion to alert code

pkg/services/sqlstore/alert_rule_changes_test.go

@@ -0,0 +1,75 @@
+package sqlstore
+
+import (
+	"testing"
+
+	m "github.com/grafana/grafana/pkg/models"
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+var (
+	FakeOrgId int64 = 2
+)
+
+func TestAlertRuleChangesDataAccess(t *testing.T) {
+
+	Convey("Testing Alert rule changes data access", t, func() {
+		InitTestDB(t)
+
+		testDash := insertTestDashboard("dashboard with alerts", 2, "alert")
+		var err error
+
+		Convey("When dashboard is removed", func() {
+			items := []m.AlertRule{
+				{
+					PanelId:     1,
+					DashboardId: testDash.Id,
+					Query:       "Query",
+					QueryRefId:  "A",
+					WarnLevel:   "> 30",
+					CritLevel:   "> 50",
+					Interval:    "10",
+					Title:       "Alerting title",
+					Description: "Alerting description",
+					QueryRange:  "5m",
+					Aggregator:  "avg",
+					OrgId:       FakeOrgId,
+				},
+			}
+
+			cmd := m.SaveAlertsCommand{
+				Alerts:      &items,
+				DashboardId: testDash.Id,
+				OrgId:       FakeOrgId,
+				UserId:      2,
+			}
+
+			SaveAlerts(&cmd)
+
+			alertChanges, er := GetAlertRuleChanges(FakeOrgId)
+			So(er, ShouldBeNil)
+			So(len(alertChanges), ShouldEqual, 1)
+
+			err = DeleteDashboard(&m.DeleteDashboardCommand{
+				OrgId: FakeOrgId,
+				Slug:  testDash.Slug,
+			})
+
+			So(err, ShouldBeNil)
+
+			Convey("Alerts should be removed", func() {
+				alerts, err2 := GetAlertsByDashboardId(testDash.Id)
+
+				So(testDash.Id, ShouldEqual, 1)
+				So(err2, ShouldBeNil)
+				So(len(alerts), ShouldEqual, 0)
+			})
+
+			Convey("should add one more alert_rule_change", func() {
+				alertChanges, er := GetAlertRuleChanges(FakeOrgId)
+				So(er, ShouldBeNil)
+				So(len(alertChanges), ShouldEqual, 2)
+			})
+		})
+	})
+}