grafana/public/app/plugins/panel/graph/specs/data_processor.jest.ts

import { DataProcessor } from "../data_processor";

describe("Graph DataProcessor", function() {
  var panel: any = {
    xaxis: {}
  };

  var processor = new DataProcessor(panel);

  describe("Given default xaxis options and query that returns docs", () => {
    beforeEach(() => {
      panel.xaxis.mode = "time";
      panel.xaxis.name = "hostname";
      panel.xaxis.values = [];

      processor.getSeriesList({
        dataList: [
          {
            type: "docs",
            datapoints: [{ hostname: "server1", avg: 10 }]
          }
        ]
      });
    });

    it("Should automatically set xaxis mode to field", () => {
      expect(panel.xaxis.mode).toBe("field");
    });
  });

  describe("getDataFieldNames(", () => {
    var dataList = [
      {
        type: "docs",
        datapoints: [
          {
            hostname: "server1",
            valueField: 11,
            nested: {
              prop1: "server2",
              value2: 23
            }
          }
        ]
      }
    ];

    it("Should return all field names", () => {
      var fields = processor.getDataFieldNames(dataList, false);
      expect(fields).toContain("hostname");
      expect(fields).toContain("valueField");
      expect(fields).toContain("nested.prop1");
      expect(fields).toContain("nested.value2");
    });

    it("Should return all number fields", () => {
      var fields = processor.getDataFieldNames(dataList, true);
      expect(fields).toContain("valueField");
      expect(fields).toContain("nested.value2");
    });
  });
});