Karma to Jest: completer

public/app/plugins/datasource/prometheus/specs/completer_specs.ts → public/app/plugins/datasource/prometheus/specs/completer.jest.ts

-import { describe, it, sinon, expect } from 'test/lib/common';
-import helpers from 'test/specs/helpers';
+//import { describe, it, sinon, expect } from 'test/lib/common';
+//import helpers from 'test/specs/helpers';
 
 import { PromCompleter } from '../completer';
 import { PrometheusDatasource } from '../datasource';
+import { BackendSrv } from 'app/core/services/backend_srv';
+jest.mock('../datasource');
+jest.mock('app/core/services/backend_srv');
 
 describe('Prometheus editor completer', function() {
-  var ctx = new helpers.ServiceTestContext();
-  beforeEach(ctx.providePhase(['templateSrv']));
+  //beforeEach(ctx.providePhase(['templateSrv']));
 
   function getSessionStub(data) {
     return {
-      getTokenAt: sinon.stub().returns(data.currentToken),
-      getTokens: sinon.stub().returns(data.tokens),
-      getLine: sinon.stub().returns(data.line),
+      getTokenAt:jest.fn(()=> (data.currentToken)),
+      getTokens:jest.fn(()=> (data.tokens)),
+      getLine:jest.fn(()=> (data.line)),
     };
   }
 
   let editor = {};
-  let datasourceStub = <PrometheusDatasource>{
-    performInstantQuery: sinon
-      .stub()
-      .withArgs({ expr: '{__name__="node_cpu"' })
-      .returns(
-        Promise.resolve({
-          data: {
+
+  let backendSrv = <BackendSrv>{}
+  let datasourceStub = new PrometheusDatasource({},{},backendSrv,{},{});
+
+  datasourceStub.performInstantQuery = jest.fn(() => Promise.resolve({
             data: {
-              result: [
-                {
-                  metric: {
-                    job: 'node',
-                    instance: 'localhost:9100',
+              data: {
+                result: [
+                  {
+                    metric: {
+                      job: 'node',
+                      instance: 'localhost:9100',
+                    },
                   },
-                },
-              ],
+                ],
+              },
             },
-          },
-        })
-      ),
-    performSuggestQuery: sinon
-      .stub()
-      .withArgs('node', true)
-      .returns(Promise.resolve(['node_cpu'])),
-  };
+          })
+        );
+  datasourceStub.performSuggestQuery = jest.fn(() => Promise.resolve(['node_cpu']));
+
 
   let templateSrv = {
     variables: [
@@ -62,9 +60,9 @@ describe('Prometheus editor completer', function() {
       });
 
       return completer.getCompletions(editor, session, { row: 0, column: 10 }, '[', (s, res) => {
-        expect(res[0].caption).to.eql('$__interval');
-        expect(res[0].value).to.eql('[$__interval');
-        expect(res[0].meta).to.eql('range vector');
+        expect(res[0].caption).toEqual('$__interval');
+        expect(res[0].value).toEqual('[$__interval');
+        expect(res[0].meta).toEqual('range vector');
       });
     });
   });
@@ -93,7 +91,7 @@ describe('Prometheus editor completer', function() {
       });
 
       return completer.getCompletions(editor, session, { row: 0, column: 10 }, 'j', (s, res) => {
-        expect(res[0].meta).to.eql('label name');
+        expect(res[0].meta).toEqual('label name');
       });
     });
   });
@@ -125,7 +123,7 @@ describe('Prometheus editor completer', function() {
       });
 
       return completer.getCompletions(editor, session, { row: 0, column: 23 }, 'j', (s, res) => {
-        expect(res[0].meta).to.eql('label name');
+        expect(res[0].meta).toEqual('label name');
       });
     });
   });
@@ -156,7 +154,7 @@ describe('Prometheus editor completer', function() {
       });
 
       return completer.getCompletions(editor, session, { row: 0, column: 15 }, 'n', (s, res) => {
-        expect(res[0].meta).to.eql('label value');
+        expect(res[0].meta).toEqual('label value');
       });
     });
   });
@@ -192,7 +190,7 @@ describe('Prometheus editor completer', function() {
       });
 
       return completer.getCompletions(editor, session, { row: 0, column: 23 }, 'm', (s, res) => {
-        expect(res[0].meta).to.eql('label name');
+        expect(res[0].meta).toEqual('label name');
       });
     });
   });