TestData: New dashboard that tests variables that update on time range change (#22829)

devenv/dev-dashboards/feature-templating/testdata-variables-that-update-on-time-change.json

+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": "-- Grafana --",
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "gnetId": null,
+  "graphTooltip": 0,
+  "iteration": 1584435937931,
+  "links": [],
+  "panels": [
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": null,
+      "fill": 1,
+      "fillGradient": 0,
+      "gridPos": {
+        "h": 14,
+        "w": 19,
+        "x": 0,
+        "y": 0
+      },
+      "hiddenSeries": false,
+      "id": 2,
+      "legend": {
+        "alignAsTable": true,
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": true,
+        "rightSide": true,
+        "show": true,
+        "total": false,
+        "values": true
+      },
+      "lines": true,
+      "linewidth": 1,
+      "nullPointMode": "null",
+      "options": {
+        "dataLinks": []
+      },
+      "percentage": false,
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "alias": "updatesOnTime: $updatesOnTime",
+          "refId": "A",
+          "scenarioId": "random_walk"
+        },
+        {
+          "alias": "dependsOnFirst: $dependsOnFirst",
+          "refId": "B",
+          "scenarioId": "random_walk"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "Panel Title",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    }
+  ],
+  "schemaVersion": 22,
+  "style": "dark",
+  "tags": ["gdev", "templating"],
+  "templating": {
+    "list": [
+      {
+        "allValue": null,
+        "current": {
+          "text": "value.1584434137814",
+          "value": "value.1584434137814"
+        },
+        "datasource": "gdev-testdata",
+        "definition": "value.$__from",
+        "hide": 0,
+        "includeAll": false,
+        "index": -1,
+        "label": null,
+        "multi": false,
+        "name": "updatesOnTime",
+        "options": [],
+        "query": "value.$__from",
+        "refresh": 2,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "tagValuesQuery": "",
+        "tags": [],
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      },
+      {
+        "allValue": null,
+        "current": {
+          "text": "value.value.1584434072074",
+          "value": "value.value.1584434072074"
+        },
+        "datasource": "gdev-testdata",
+        "definition": "value.$updatesOnTime",
+        "hide": 0,
+        "includeAll": false,
+        "index": -1,
+        "label": null,
+        "multi": false,
+        "name": "dependsOnFirst",
+        "options": [
+          {
+            "selected": true,
+            "text": "value.value.1584434072074",
+            "value": "value.value.1584434072074"
+          }
+        ],
+        "query": "value.$updatesOnTime",
+        "refresh": 0,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "tagValuesQuery": "",
+        "tags": [],
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      }
+    ]
+  },
+  "time": {
+    "from": "now-30m",
+    "to": "now"
+  },
+  "timepicker": {
+    "refresh_intervals": ["5s", "10s", "30s", "1m", "5m", "15m", "30m", "1h", "2h", "1d"]
+  },
+  "timezone": "",
+  "title": "Templating - Variables That Refresh On Time Change",
+  "uid": "HeUnbEuZk",
+  "variables": {
+    "list": []
+  },
+  "version": 13
+}

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

@@ -70,6 +70,10 @@ function queryTree(children: TreeNode[], query: string[], queryIndex: number): T
 }
 
 export function queryMetricTree(query: string): TreeNode[] {
+  if (query.indexOf('value') === 0) {
+    return [{ name: query, children: [] }];
+  }
+
   const children = buildMetricTree('', 0);
   return queryTree(children, query.split('.'), 0);
 }