Add graph_ctrl jest

public/app/plugins/panel/graph/specs/graph_ctrl.jest.ts

-// import { describe, beforeEach, it, expect, angularMocks } from '../../../../../test/lib/common';
-
 import moment from 'moment';
 import { GraphCtrl } from '../module';
 
+jest.mock('../graph', () => ({}));
+
 describe('GraphCtrl', function() {
+  let injector = {
+    get: () => {
+      return {
+        timeRange: () => {
+          return {
+            from: '',
+            to: '',
+          };
+        },
+      };
+    },
+  };
+
+  let scope = {
+    $on: function() {},
+  };
+
+  GraphCtrl.prototype.panel = {
+    events: {
+      on: function() {},
+    },
+    gridPos: {
+      w: 100,
+    },
+  };
+
   let ctx = <any>{};
 
   beforeEach(() => {
-    ctx.ctrl = new GraphCtrl({}, {}, {});
+    ctx.ctrl = new GraphCtrl(scope, injector, {});
   });
 
-  //   beforeEach(angularMocks.module('grafana.services'));
-  //   beforeEach(angularMocks.module('grafana.controllers'));
-  //   beforeEach(
-  //     angularMocks.module(function($compileProvider) {
-  //       $compileProvider.preAssignBindingsEnabled(true);
-  //     })
-  //   );
-
-  //   beforeEach(ctx.providePhase());
-  //   beforeEach(ctx.createPanelController(GraphCtrl));
   beforeEach(() => {
     ctx.ctrl.annotationsPromise = Promise.resolve({});
     ctx.ctrl.updateTimeRange();

public/app/plugins/panel/graph/specs/graph_ctrl_specs.ts

-import { describe, beforeEach, it, expect, angularMocks } from '../../../../../test/lib/common';
-
-import moment from 'moment';
-import { GraphCtrl } from '../module';
-import helpers from '../../../../../test/specs/helpers';
-
-describe('GraphCtrl', function() {
-  var ctx = new helpers.ControllerTestContext();
-
-  beforeEach(angularMocks.module('grafana.services'));
-  beforeEach(angularMocks.module('grafana.controllers'));
-  beforeEach(
-    angularMocks.module(function($compileProvider) {
-      $compileProvider.preAssignBindingsEnabled(true);
-    })
-  );
-
-  beforeEach(ctx.providePhase());
-  beforeEach(ctx.createPanelController(GraphCtrl));
-  beforeEach(() => {
-    ctx.ctrl.annotationsPromise = Promise.resolve({});
-    ctx.ctrl.updateTimeRange();
-  });
-
-  describe('when time series are outside range', function() {
-    beforeEach(function() {
-      var data = [
-        {
-          target: 'test.cpu1',
-          datapoints: [[45, 1234567890], [60, 1234567899]],
-        },
-      ];
-
-      ctx.ctrl.range = { from: moment().valueOf(), to: moment().valueOf() };
-      ctx.ctrl.onDataReceived(data);
-    });
-
-    it('should set datapointsOutside', function() {
-      expect(ctx.ctrl.dataWarning.title).to.be('Data points outside time range');
-    });
-  });
-
-  describe('when time series are inside range', function() {
-    beforeEach(function() {
-      var range = {
-        from: moment()
-          .subtract(1, 'days')
-          .valueOf(),
-        to: moment().valueOf(),
-      };
-
-      var data = [
-        {
-          target: 'test.cpu1',
-          datapoints: [[45, range.from + 1000], [60, range.from + 10000]],
-        },
-      ];
-
-      ctx.ctrl.range = range;
-      ctx.ctrl.onDataReceived(data);
-    });
-
-    it('should set datapointsOutside', function() {
-      expect(ctx.ctrl.dataWarning).to.be(null);
-    });
-  });
-
-  describe('datapointsCount given 2 series', function() {
-    beforeEach(function() {
-      var data = [{ target: 'test.cpu1', datapoints: [] }, { target: 'test.cpu2', datapoints: [] }];
-      ctx.ctrl.onDataReceived(data);
-    });
-
-    it('should set datapointsCount warning', function() {
-      expect(ctx.ctrl.dataWarning.title).to.be('No data points');
-    });
-  });
-});