import _ from "lodash";
import ResponseParser from "../response_parser";

describe("influxdb response parser", () => {
  const parser = new ResponseParser();

  describe("SHOW TAG response", () => {
    var query = 'SHOW TAG KEYS FROM "cpu"';
    var response = {
      results: [
        {
          series: [
            {
              name: "cpu",
              columns: ["tagKey"],
              values: [["datacenter"], ["hostname"], ["source"]]
            }
          ]
        }
      ]
    };

    var result = parser.parse(query, response);

    it("expects three results", () => {
      expect(_.size(result)).toBe(3);
    });
  });

  describe("SHOW TAG VALUES response", () => {
    var query = 'SHOW TAG VALUES FROM "cpu" WITH KEY = "hostname"';

    describe("response from 0.10.0", () => {
      var response = {
        results: [
          {
            series: [
              {
                name: "hostnameTagValues",
                columns: ["hostname"],
                values: [["server1"], ["server2"], ["server2"]]
              }
            ]
          }
        ]
      };

      var result = parser.parse(query, response);

      it("should get two responses", () => {
        expect(_.size(result)).toBe(2);
        expect(result[0].text).toBe("server1");
        expect(result[1].text).toBe("server2");
      });
    });

    describe("response from 0.12.0", () => {
      var response = {
        results: [
          {
            series: [
              {
                name: "cpu",
                columns: ["key", "value"],
                values: [["source", "site"], ["source", "api"]]
              },
              {
                name: "logins",
                columns: ["key", "value"],
                values: [["source", "site"], ["source", "webapi"]]
              }
            ]
          }
        ]
      };

      var result = parser.parse(query, response);

      it("should get two responses", () => {
        expect(_.size(result)).toBe(3);
        expect(result[0].text).toBe("site");
        expect(result[1].text).toBe("api");
        expect(result[2].text).toBe("webapi");
      });
    });
  });

  describe("SHOW FIELD response", () => {
    var query = 'SHOW FIELD KEYS FROM "cpu"';
    describe("response from 0.10.0", () => {
      var response = {
        results: [
          {
            series: [
              {
                name: "measurements",
                columns: ["name"],
                values: [
                  ["cpu"],
                  ["derivative"],
                  ["logins.count"],
                  ["logs"],
                  ["payment.ended"],
                  ["payment.started"]
                ]
              }
            ]
          }
        ]
      };

      var result = parser.parse(query, response);
      it("should get two responses", () => {
        expect(_.size(result)).toBe(6);
      });
    });

    describe("response from 0.11.0", () => {
      var response = {
        results: [
          {
            series: [
              {
                name: "cpu",
                columns: ["fieldKey"],
                values: [["value"]]
              }
            ]
          }
        ]
      };

      var result = parser.parse(query, response);

      it("should get two responses", () => {
        expect(_.size(result)).toBe(1);
      });
    });
  });
});