import { QueryVariable } from "../query_variable";

describe("QueryVariable", () => {
  describe("when creating from model", () => {
    it("should set defaults", () => {
      var variable = new QueryVariable({}, null, null, null, null);
      expect(variable.datasource).toBe(null);
      expect(variable.refresh).toBe(0);
      expect(variable.sort).toBe(0);
      expect(variable.name).toBe("");
      expect(variable.hide).toBe(0);
      expect(variable.options.length).toBe(0);
      expect(variable.multi).toBe(false);
      expect(variable.includeAll).toBe(false);
    });

    it("get model should copy changes back to model", () => {
      var variable = new QueryVariable({}, null, null, null, null);
      variable.options = [{ text: "test" }];
      variable.datasource = "google";
      variable.regex = "asd";
      variable.sort = 50;

      var model = variable.getSaveModel();
      expect(model.options.length).toBe(1);
      expect(model.options[0].text).toBe("test");
      expect(model.datasource).toBe("google");
      expect(model.regex).toBe("asd");
      expect(model.sort).toBe(50);
    });

    it("if refresh != 0 then remove options in presisted mode", () => {
      var variable = new QueryVariable({}, null, null, null, null);
      variable.options = [{ text: "test" }];
      variable.refresh = 1;

      var model = variable.getSaveModel();
      expect(model.options.length).toBe(0);
    });
  });

  describe("can convert and sort metric names", () => {
    var variable = new QueryVariable({}, null, null, null, null);
    variable.sort = 3; // Numerical (asc)

    describe("can sort a mixed array of metric variables", () => {
      var input = [
        { text: "0", value: "0" },
        { text: "1", value: "1" },
        { text: null, value: 3 },
        { text: undefined, value: 4 },
        { text: "5", value: null },
        { text: "6", value: undefined },
        { text: null, value: "7" },
        { text: undefined, value: "8" },
        { text: 9, value: null },
        { text: 10, value: undefined },
        { text: "", value: undefined },
        { text: undefined, value: "" }
      ];

      var result = variable.metricNamesToVariableValues(input);
      it("should return in same order", () => {
        var i = 0;

        expect(result.length).toBe(11);
        expect(result[i++].text).toBe("");
        expect(result[i++].text).toBe("0");
        expect(result[i++].text).toBe("1");
        expect(result[i++].text).toBe("3");
        expect(result[i++].text).toBe("4");
        expect(result[i++].text).toBe("5");
        expect(result[i++].text).toBe("6");
      });
    });
  });
});