Webpack (#9391)

* webpack poc, this is not going to work for plugins, dam

* tech: webpack and systemjs for plugins starting to work

* tech: webpack and systemjs combo starting to work

* tech: webpack + karma tests progress

* tech: webpack + karma progress

* tech: working on tests

* tech: webpack

* tech: webpack + karma, all tests pass

* tech: webpack + karma, all tests pass

* tech: webpack all tests pass

* webpack: getting closer

* tech: webpack progress

* webpack: further build refinements

* webpack: ng annotate fixes

* webpack: optimized build fix

* tech: minor fix for elasticsearch

* tech: webpack + ace editor

* tech: restored lodash move mixin compatability

* tech: added enzyme react test and upgraded to react v16

* tech: package version fix

* tech: added testdata to built in bundle

* webpack: sass progress

* tech: prod & dev build is working for the sass

* tech: clean up unused grunt stuff and moved to scripts folder

* tech: added vendor and manifest chunks, updated readme and docs

* tech: webpack finishing touches

public/app/features/plugins/specs/datasource_srv_specs.ts

@@ -0,0 +1,60 @@
+import {describe, beforeEach, it, expect, angularMocks} from 'test/lib/common';
+import config from 'app/core/config';
+import 'app/features/plugins/datasource_srv';
+
+describe('datasource_srv', function() {
+  var _datasourceSrv;
+  var metricSources;
+  var templateSrv = {};
+
+  beforeEach(angularMocks.module('grafana.core'));
+  beforeEach(angularMocks.module(function($provide) {
+    $provide.value('templateSrv', templateSrv);
+  }));
+  beforeEach(angularMocks.module('grafana.services'));
+  beforeEach(angularMocks.inject(function(datasourceSrv) {
+    _datasourceSrv = datasourceSrv;
+  }));
+
+  describe('when loading metric sources', function() {
+    var unsortedDatasources = {
+      'mmm': {
+        type: 'test-db',
+        meta: { metrics: {m: 1} }
+      },
+      '--Grafana--': {
+        type: 'grafana',
+        meta: {builtIn: true, metrics: {m: 1}, id: "grafana"}
+      },
+      '--Mixed--': {
+        type: 'test-db',
+        meta: {builtIn: true, metrics: {m: 1}, id: "mixed"}
+      },
+      'ZZZ': {
+        type: 'test-db',
+        meta: {metrics: {m: 1} }
+      },
+      'aaa': {
+        type: 'test-db',
+        meta: { metrics: {m: 1} }
+      },
+      'BBB': {
+        type: 'test-db',
+        meta: { metrics: {m: 1} }
+      },
+    };
+    beforeEach(function() {
+      config.datasources = unsortedDatasources;
+      metricSources = _datasourceSrv.getMetricSources({skipVariables: true});
+    });
+
+    it('should return a list of sources sorted case insensitively with builtin sources last', function() {
+      expect(metricSources[0].name).to.be('aaa');
+      expect(metricSources[1].name).to.be('BBB');
+      expect(metricSources[2].name).to.be('mmm');
+      expect(metricSources[3].name).to.be('ZZZ');
+      expect(metricSources[4].name).to.be('--Grafana--');
+      expect(metricSources[5].name).to.be('--Mixed--');
+    });
+  });
+});