test(influxdb): adds tests for supporting multiple tags

public/app/plugins/datasource/influxdb/influx_series.js

@@ -89,7 +89,7 @@ function (_, TableModel) {
         if (column === 'sequence_number') { return; }
         if (!titleCol) { titleCol = index; }
         if (column === self.annotation.titleColumn) { titleCol = index; return; }
-        if (_.contains(tagsColumn.split(","), column)) { tagsCol.push(index); return; }
+        if (_.includes(self.annotation.tagsColumn.replace(' ', '').split(","), column)) { tagsCol.push(index); return; }
         if (column === self.annotation.textColumn) { textCol = index; return; }
       });
 

public/app/plugins/datasource/influxdb/specs/influx_series_specs.ts

@@ -2,7 +2,6 @@ import {describe, beforeEach, it, sinon, expect} from 'test/lib/common';
 import InfluxSeries from '../influx_series';
 
 describe('when generating timeseries from influxdb response', function() {
-
   describe('given multiple fields for series', function() {
     var options = {
       alias: '',
@@ -68,6 +67,7 @@ describe('when generating timeseries from influxdb response', function() {
 
     });
   });
+
   describe('given measurement with default fieldname', function() {
     var options = { series: [
       {
@@ -96,6 +96,7 @@ describe('when generating timeseries from influxdb response', function() {
     });
 
   });
+
   describe('given two series', function() {
     var options = {
       alias: '',
@@ -206,5 +207,32 @@ describe('when generating timeseries from influxdb response', function() {
     });
   });
 
+  describe('given annotation response', function() {
+    var options = {
+      alias: '',
+      annotation: {
+        tagsColumn: 'datacenter, source'
+      },
+      series: [
+        {
+          name: "logins.count",
+          tags:  {datacenter: 'Africa', server: 'server2'},
+          columns: ["time", "datacenter", "hostname", "source", "value"],
+          values: [
+            [1481549440372, "America", "10.1.100.10", "backend", 215.7432653659507],
+          ]
+        }
+      ]
+    };
+
+    it('should multiple tags', function() {
+      var series = new InfluxSeries(options);
+      var annotations = series.getAnnotations();
+
+      expect(annotations[0].tags.length).to.be(2);
+      expect(annotations[0].tags[0]).to.be('America');
+      expect(annotations[0].tags[1]).to.be('backend');
+    });
+  });
 });