Added tests for firingEvaluation string

pkg/services/alerting/eval_handler.go

@@ -47,7 +47,7 @@ func (e *DefaultEvalHandler) Eval(context *EvalContext) {
 		if i > 0 {
 			firingEval = "[" + firingEval + " " + operator + " " + strconv.FormatBool(cr.Firing) + "]"
 		} else {
-			firingEval = "[" + strconv.FormatBool(firing) + "]"
+			firingEval = strconv.FormatBool(firing)
 		}
 
 		context.EvalMatches = append(context.EvalMatches, cr.EvalMatches...)

pkg/services/alerting/eval_handler_test.go

@@ -30,6 +30,7 @@ func TestAlertingExecutor(t *testing.T) {
 
 			handler.Eval(context)
 			So(context.Firing, ShouldEqual, true)
+			So(context.FiringEval, ShouldEqual, "true = true")
 		})
 
 		Convey("Show return false with not passing asdf", func() {
@@ -42,6 +43,7 @@ func TestAlertingExecutor(t *testing.T) {
 
 			handler.Eval(context)
 			So(context.Firing, ShouldEqual, false)
+			So(context.FiringEval, ShouldEqual, "[true AND false] = false")
 		})
 
 		Convey("Show return true if any of the condition is passing with OR operator", func() {
@@ -54,6 +56,7 @@ func TestAlertingExecutor(t *testing.T) {
 
 			handler.Eval(context)
 			So(context.Firing, ShouldEqual, true)
+			So(context.FiringEval, ShouldEqual, "[true OR false] = true")
 		})
 
 		Convey("Show return false if any of the condition is failing with AND operator", func() {
@@ -66,6 +69,7 @@ func TestAlertingExecutor(t *testing.T) {
 
 			handler.Eval(context)
 			So(context.Firing, ShouldEqual, false)
+			So(context.FiringEval, ShouldEqual, "[true AND false] = false")
 		})
 
 		Convey("Show return true if one condition is failing with nested OR operator", func() {
@@ -79,6 +83,7 @@ func TestAlertingExecutor(t *testing.T) {
 
 			handler.Eval(context)
 			So(context.Firing, ShouldEqual, true)
+			So(context.FiringEval, ShouldEqual, "[[true AND true] OR false] = true")
 		})
 
 		Convey("Show return false if one condition is passing with nested OR operator", func() {
@@ -92,6 +97,7 @@ func TestAlertingExecutor(t *testing.T) {
 
 			handler.Eval(context)
 			So(context.Firing, ShouldEqual, false)
+			So(context.FiringEval, ShouldEqual, "[[true AND false] OR false] = false")
 		})
 
 		Convey("Show return false if a condition is failing with nested AND operator", func() {
@@ -105,6 +111,7 @@ func TestAlertingExecutor(t *testing.T) {
 
 			handler.Eval(context)
 			So(context.Firing, ShouldEqual, false)
+			So(context.FiringEval, ShouldEqual, "[[true AND false] AND true] = false")
 		})
 
 		Convey("Show return true if a condition is passing with nested OR operator", func() {
@@ -118,6 +125,7 @@ func TestAlertingExecutor(t *testing.T) {
 
 			handler.Eval(context)
 			So(context.Firing, ShouldEqual, true)
+			So(context.FiringEval, ShouldEqual, "[[true OR false] OR true] = true")
 		})
 	})
 }