added testdata scenario for null data and stacking, also updated testdata dashbord, #2912

pkg/tsdb/testdata/scenarios.go

@@ -6,6 +6,8 @@ import (
 	"strings"
 	"time"
 
+	"gopkg.in/guregu/null.v3"
+
 	"github.com/grafana/grafana/pkg/log"
 	"github.com/grafana/grafana/pkg/tsdb"
 )
@@ -88,10 +90,13 @@ func init() {
 			queryRes := tsdb.NewQueryResult()
 
 			stringInput := query.Model.Get("stringInput").MustString()
-			values := []float64{}
+			values := []null.Float{}
 			for _, strVal := range strings.Split(stringInput, ",") {
+				if strVal == "null" {
+					values = append(values, null.FloatFromPtr(nil))
+				}
 				if val, err := strconv.ParseFloat(strVal, 64); err == nil {
-					values = append(values, val)
+					values = append(values, null.FloatFrom(val))
 				}
 			}
 
@@ -105,7 +110,7 @@ func init() {
 			step := (endTime - startTime) / int64(len(values)-1)
 
 			for _, val := range values {
-				series.Points = append(series.Points, tsdb.NewTimePoint(val, float64(startTime)))
+				series.Points = append(series.Points, tsdb.TimePoint{val, null.FloatFrom(float64(startTime))})
 				startTime += step
 			}
 

public/app/plugins/app/testdata/plugin.json

@@ -9,7 +9,7 @@
       "name": "Grafana Project",
       "url": "http://grafana.org"
     },
-    "version": "1.0.13",
+    "version": "1.0.14",
     "updated": "2016-09-26"
   },
 

public/app/plugins/panel/graph/tab_display.html

@@ -71,13 +71,9 @@
 
 		<div class="section gf-form-group">
 			<h5 class="section-heading">Stacking & Null value</h5>
-			<gf-form-switch class="gf-form"
-									 label="Stack" label-class="width-7"
-												checked="ctrl.panel.stack" on-change="ctrl.render()">
+			<gf-form-switch class="gf-form" label="Stack" label-class="width-7" checked="ctrl.panel.stack" on-change="ctrl.render()">
 			</gf-form-switch>
-			<gf-form-switch class="gf-form" ng-show="ctrl.panel.stack"
-																	 label="Percent" label-class="width-7"
-																	checked="ctrl.panel.percentage" on-change="ctrl.render()">
+			<gf-form-switch class="gf-form" ng-show="ctrl.panel.stack" label="Percent" label-class="width-7" checked="ctrl.panel.percentage" on-change="ctrl.render()">
 			</gf-form-switch>
 			<div class="gf-form">
 				<label class="gf-form-label width-7">Null value</label>