Merge pull request #12692 from dehrax/12224-graph-ctrl

Karma to Jest: graph_ctrl

public/app/plugins/panel/graph/specs/graph_ctrl_specs.ts → 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';
-import helpers from '../../../../../test/specs/helpers';
 
-describe('GraphCtrl', function() {
-  var ctx = new helpers.ControllerTestContext();
+jest.mock('../graph', () => ({}));
+
+describe('GraphCtrl', () => {
+  let injector = {
+    get: () => {
+      return {
+        timeRange: () => {
+          return {
+            from: '',
+            to: '',
+          };
+        },
+      };
+    },
+  };
+
+  let scope = {
+    $on: () => {},
+  };
+
+  GraphCtrl.prototype.panel = {
+    events: {
+      on: () => {},
+    },
+    gridPos: {
+      w: 100,
+    },
+  };
 
-  beforeEach(angularMocks.module('grafana.services'));
-  beforeEach(angularMocks.module('grafana.controllers'));
-  beforeEach(
-    angularMocks.module(function($compileProvider) {
-      $compileProvider.preAssignBindingsEnabled(true);
-    })
-  );
+  let ctx = <any>{};
 
-  beforeEach(ctx.providePhase());
-  beforeEach(ctx.createPanelController(GraphCtrl));
   beforeEach(() => {
+    ctx.ctrl = new GraphCtrl(scope, injector, {});
     ctx.ctrl.annotationsPromise = Promise.resolve({});
     ctx.ctrl.updateTimeRange();
   });
 
-  describe('when time series are outside range', function() {
-    beforeEach(function() {
+  describe('when time series are outside range', () => {
+    beforeEach(() => {
       var data = [
         {
           target: 'test.cpu1',
@@ -35,13 +51,13 @@ describe('GraphCtrl', function() {
       ctx.ctrl.onDataReceived(data);
     });
 
-    it('should set datapointsOutside', function() {
-      expect(ctx.ctrl.dataWarning.title).to.be('Data points outside time range');
+    it('should set datapointsOutside', () => {
+      expect(ctx.ctrl.dataWarning.title).toBe('Data points outside time range');
     });
   });
 
-  describe('when time series are inside range', function() {
-    beforeEach(function() {
+  describe('when time series are inside range', () => {
+    beforeEach(() => {
       var range = {
         from: moment()
           .subtract(1, 'days')
@@ -60,19 +76,19 @@ describe('GraphCtrl', function() {
       ctx.ctrl.onDataReceived(data);
     });
 
-    it('should set datapointsOutside', function() {
-      expect(ctx.ctrl.dataWarning).to.be(null);
+    it('should set datapointsOutside', () => {
+      expect(ctx.ctrl.dataWarning).toBe(null);
     });
   });
 
-  describe('datapointsCount given 2 series', function() {
-    beforeEach(function() {
+  describe('datapointsCount given 2 series', () => {
+    beforeEach(() => {
       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');
+    it('should set datapointsCount warning', () => {
+      expect(ctx.ctrl.dataWarning.title).toBe('No data points');
     });
   });
 });