@netdata/charts/dist/sdk/makeChart/makeWeights.test.js

Netdata frontend SDK and chart utilities

"use strict";

var _makeWeights = _interopRequireDefault(require("./makeWeights"));
var _testUtilities = require("@jest/testUtilities");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
describe("makeWeights", function () {
  var chart;
  var sdk;
  var weightsModule;
  beforeEach(function () {
    var testChart = (0, _testUtilities.makeTestChart)();
    chart = testChart.chart;
    sdk = testChart.sdk;
    global.AbortController = jest.fn(function () {
      return {
        abort: jest.fn(),
        signal: {}
      };
    });
    global.fetch = jest.fn(function () {
      return Promise.resolve({
        json: function json() {
          return Promise.resolve({
            weights: {}
          });
        }
      });
    });
    weightsModule = (0, _makeWeights["default"])(chart, sdk);
  });
  afterEach(function () {
    jest.clearAllMocks();
  });
  it("returns weights object and fetchWeights function", function () {
    expect(weightsModule).toHaveProperty("weights");
    expect(weightsModule).toHaveProperty("fetchWeights");
    expect(_typeof(weightsModule.fetchWeights)).toBe("function");
  });
  it("initializes with empty weights object", function () {
    expect(weightsModule.weights).toEqual({});
  });
  it("fetchWeights updates loading state", function () {
    var spy = jest.spyOn(chart, "updateAttributes");
    var triggerSpy = jest.spyOn(chart, "trigger");
    weightsModule.fetchWeights("test-tab");
    expect(spy).toHaveBeenCalledWith({
      weightsLoading: true
    });
    expect(triggerSpy).toHaveBeenCalledWith("weights:startFetch");
  });
  it("creates abort controller when fetching", function () {
    weightsModule.fetchWeights("test-tab");
    expect(global.AbortController).toHaveBeenCalled();
  });
});