energylink/public/app/core/specs/backend_srv_specs.ts

import {
  describe,
  beforeEach,
  it,
  expect,
  angularMocks
} from "test/lib/common";
import "app/core/services/backend_srv";

describe("backend_srv", function() {
  var _backendSrv;
  var _httpBackend;

  beforeEach(angularMocks.module("grafana.core"));
  beforeEach(angularMocks.module("grafana.services"));
  beforeEach(
    angularMocks.inject(function($httpBackend, $http, backendSrv) {
      _httpBackend = $httpBackend;
      _backendSrv = backendSrv;
    })
  );

  describe("when handling errors", function() {
    it("should return the http status code", function(done) {
      _httpBackend.whenGET("gateway-error").respond(502);
      _backendSrv
        .datasourceRequest({
          url: "gateway-error"
        })
        .catch(function(err) {
          expect(err.status).to.be(502);
          done();
        });
      _httpBackend.flush();
    });
  });
});