@netdata/charts/dist/es6/chartLibraries/dygraph/overlays/point.test.js

Netdata frontend SDK and chart utilities

import { makeTestChart } from "@jest/testUtilities";
import point from "./point";
describe("point overlay", function () {
  it("handles overlay access", function () {
    var _makeTestChart = makeTestChart(),
      chart = _makeTestChart.chart;
    chart.getAttribute = function (key) {
      if (key === "overlays") {
        return {
          "test-point": {
            row: 5
          }
        };
      }
      return {};
    };
    var chartUI = {
      chart: chart,
      getDygraph: function getDygraph() {
        return {
          getArea: function getArea() {
            return {
              h: 100
            };
          },
          canvas_ctx_: {
            save: function save() {},
            restore: function restore() {},
            setLineDash: function setLineDash() {},
            beginPath: function beginPath() {},
            moveTo: function moveTo() {},
            lineTo: function lineTo() {},
            stroke: function stroke() {},
            strokeStyle: "",
            lineWidth: 0
          }
        };
      }
    };
    expect(function () {
      return point(chartUI, "test-point");
    }).not.toThrow();
  });
  it("handles missing overlay", function () {
    var _makeTestChart2 = makeTestChart(),
      chart = _makeTestChart2.chart;
    chart.getAttribute = function () {
      return {};
    };
    var chartUI = {
      chart: chart
    };
    expect(function () {
      return point(chartUI, "missing-overlay");
    }).toThrow();
  });
});