feat(alerting): disable visual thresholds while alert is enabled

pkg/services/alerting/conditions/evaluator.go

@@ -19,9 +19,9 @@ type DefaultAlertEvaluator struct {
 
 func (e *DefaultAlertEvaluator) Eval(series *tsdb.TimeSeries, reducedValue float64) bool {
 	switch e.Type {
-	case ">":
+	case "gt":
 		return reducedValue > e.Threshold
-	case "<":
+	case "lt":
 		return reducedValue < e.Threshold
 	}
 

pkg/services/alerting/conditions/query_test.go

@@ -18,7 +18,7 @@ func TestQueryCondition(t *testing.T) {
 		queryConditionScenario("Given avg() and > 100", func(ctx *queryConditionTestContext) {
 
 			ctx.reducer = `{"type": "avg"}`
-			ctx.evaluator = `{"type": ">", "params": [100]}`
+			ctx.evaluator = `{"type": "gt "params": [100]}`
 
 			Convey("Can read query condition from json model", func() {
 				ctx.exec()