testdata: added manual entry mode to test data

pkg/tsdb/testdata/scenarios.go

 package testdata
 
 import (
+	"encoding/json"
 	"math/rand"
 	"strconv"
 	"strings"
@@ -143,6 +144,45 @@ func init() {
 	})
 
 	registerScenario(&Scenario{
+		Id:   "manual_entry",
+		Name: "Manual Entry",
+		Handler: func(query *tsdb.Query, context *tsdb.TsdbQuery) *tsdb.QueryResult {
+			queryRes := tsdb.NewQueryResult()
+
+			points := query.Model.Get("points").MustArray()
+
+			series := newSeriesForQuery(query)
+			startTime := context.TimeRange.GetFromAsMsEpoch()
+			endTime := context.TimeRange.GetToAsMsEpoch()
+
+			for _, val := range points {
+				pointValues := val.([]interface{})
+
+				var value null.Float
+				var time int64
+
+				if valueFloat, err := strconv.ParseFloat(string(pointValues[0].(json.Number)), 64); err == nil {
+					value = null.FloatFrom(valueFloat)
+				}
+
+				if timeInt, err := strconv.ParseInt(string(pointValues[1].(json.Number)), 10, 64); err != nil {
+					continue
+				} else {
+					time = timeInt
+				}
+
+				if time >= startTime && time <= endTime {
+					series.Points = append(series.Points, tsdb.NewTimePoint(value, float64(time)))
+				}
+			}
+
+			queryRes.Series = append(queryRes.Series, series)
+
+			return queryRes
+		},
+	})
+
+	registerScenario(&Scenario{
 		Id:          "csv_metric_values",
 		Name:        "CSV Metric Values",
 		StringInput: "1,20,90,30,5,0",

public/app/features/dashboard/timepicker/input_date.ts

-///<reference path="../../../headers/common.d.ts" />
-
 import moment from 'moment';
 import * as dateMath from 'app/core/utils/datemath';
 
@@ -7,16 +5,16 @@ export function inputDateDirective() {
   return {
     restrict: 'A',
     require: 'ngModel',
-    link: function ($scope, $elem, attrs, ngModel) {
+    link: function($scope, $elem, attrs, ngModel) {
       var format = 'YYYY-MM-DD HH:mm:ss';
 
-      var fromUser = function (text) {
+      var fromUser = function(text) {
         if (text.indexOf('now') !== -1) {
           if (!dateMath.isValid(text)) {
-            ngModel.$setValidity("error", false);
+            ngModel.$setValidity('error', false);
             return undefined;
           }
-          ngModel.$setValidity("error", true);
+          ngModel.$setValidity('error', true);
           return text;
         }
 
@@ -28,15 +26,15 @@ export function inputDateDirective() {
         }
 
         if (!parsed.isValid()) {
-          ngModel.$setValidity("error", false);
+          ngModel.$setValidity('error', false);
           return undefined;
         }
 
-        ngModel.$setValidity("error", true);
+        ngModel.$setValidity('error', true);
         return parsed;
       };
 
-      var toUser = function (currentValue) {
+      var toUser = function(currentValue) {
         if (moment.isMoment(currentValue)) {
           return currentValue.format(format);
         } else {
@@ -46,7 +44,6 @@ export function inputDateDirective() {
 
       ngModel.$parsers.push(fromUser);
       ngModel.$formatters.push(toUser);
-    }
+    },
   };
 }
-

public/app/plugins/app/testdata/datasource/datasource.ts

-///<reference path="../../../../headers/common.d.ts" />
-
 import _ from 'lodash';
-import angular from 'angular';
 
 class TestDataDatasource {
   id: any;
@@ -21,7 +18,8 @@ class TestDataDatasource {
         intervalMs: options.intervalMs,
         maxDataPoints: options.maxDataPoints,
         stringInput: item.stringInput,
-        jsonInput: angular.fromJson(item.jsonInput),
+        points: item.points,
+        alias: item.alias,
         datasourceId: this.id,
       };
     });

public/app/plugins/app/testdata/datasource/module.ts

-///<reference path="../../../../headers/common.d.ts" />
-
 import {TestDataDatasource} from './datasource';
 import {TestDataQueryCtrl} from './query_ctrl';
 

public/app/plugins/app/testdata/datasource/query_ctrl.ts

-///<reference path="../../../../headers/common.d.ts" />
-
 import _ from 'lodash';
 
-import {QueryCtrl} from 'app/plugins/sdk';
+import { QueryCtrl } from 'app/plugins/sdk';
+import moment from 'moment';
 
 export class TestDataQueryCtrl extends QueryCtrl {
   static templateUrl = 'partials/query.editor.html';
 
   scenarioList: any;
   scenario: any;
+  newPointValue: number;
+  newPointTime: any;
+  selectedPoint: any;
 
   /** @ngInject **/
   constructor($scope, $injector, private backendSrv) {
@@ -16,19 +18,53 @@ export class TestDataQueryCtrl extends QueryCtrl {
 
     this.target.scenarioId = this.target.scenarioId || 'random_walk';
     this.scenarioList = [];
+    this.newPointTime = moment();
+    this.selectedPoint = { text: 'Select point', value: null };
+  }
+
+  getPoints() {
+    return _.map(this.target.points, (point, index) => {
+      return {
+        text: moment(point[1]).format('MMMM Do YYYY, H:mm:ss') + ' : ' + point[0],
+        value: index,
+      };
+    });
+  }
+
+  pointSelected(option) {
+    this.selectedPoint = option;
+  }
+
+  deletePoint() {
+    this.target.points.splice(this.selectedPoint.value, 1);
+    this.selectedPoint = { text: 'Select point', value: null };
+    this.refresh();
+  }
+
+  addPoint() {
+    this.target.points = this.target.points || [];
+    this.target.points.push([this.newPointValue, this.newPointTime.valueOf()]);
+    this.target.points = _.sortBy(this.target.points, p => p[1]);
+    this.refresh();
   }
 
   $onInit() {
     return this.backendSrv.get('/api/tsdb/testdata/scenarios').then(res => {
       this.scenarioList = res;
-      this.scenario = _.find(this.scenarioList, {id: this.target.scenarioId});
+      this.scenario = _.find(this.scenarioList, { id: this.target.scenarioId });
     });
   }
 
   scenarioChanged() {
-    this.scenario = _.find(this.scenarioList, {id: this.target.scenarioId});
+    this.scenario = _.find(this.scenarioList, { id: this.target.scenarioId });
     this.target.stringInput = this.scenario.stringInput;
+
+    if (this.target.scenarioId === 'manual_entry') {
+      this.target.points = this.target.points || [];
+    } else {
+      delete this.target.points;
+    }
+
     this.refresh();
   }
 }
-

public/app/plugins/app/testdata/partials/query.editor.html

 <query-editor-row query-ctrl="ctrl" has-text-edit-mode="false">
 	<div class="gf-form-inline">
 		<div class="gf-form">
-			<label class="gf-form-label query-keyword">Scenario</label>
-			<div class="gf-form-select-wrapper">
+			<label class="gf-form-label query-keyword width-7">Scenario</label>
+			<div class="gf-form-select-wrapper width-15">
 				<select class="gf-form-input" ng-model="ctrl.target.scenarioId" ng-options="v.id as v.name for v in ctrl.scenarioList" ng-change="ctrl.scenarioChanged()"></select>
 			</div>
 		</div>
@@ -18,5 +18,23 @@
 			<div class="gf-form-label gf-form-label--grow"></div>
 		</div>
 	</div>
+	<div class="gf-form-inline" ng-if="ctrl.scenario.id === 'manual_entry'">
+		<div class="gf-form gf-form">
+			<label class="gf-form-label query-keyword width-7">New value</label>
+      <input type="number" class="gf-form-input width-15" placeholder="value" ng-model="ctrl.newPointValue">
+			<label class="gf-form-label query-keyword">Time</label>
+      <input type="string" class="gf-form-input width-12" placeholder="time" ng-model="ctrl.newPointTime" input-datetime>
+			<button class="btn btn-secondary gf-form-btn" ng-click="ctrl.addPoint()">Add</button>
+			<label class="gf-form-label query-keyword">All values</label>
+			<gf-form-dropdown css-class="width-12" model="ctrl.selectedPoint" get-options="ctrl.getPoints()" on-change="ctrl.pointSelected($option)">
+			</gf-form-dropdown>
+		</div>
+		<div class="gf-form gf-form" ng-if="ctrl.selectedPoint.value !== null">
+			<button class="btn btn-danger gf-form-btn" ng-click="ctrl.deletePoint()">Delete</button>
+		</div>
+		<div class="gf-form gf-form--grow">
+			<div class="gf-form-label gf-form-label--grow"></div>
+		</div>
+	</div>
 </query-editor-row>