@agreed/core/test/lib/server.arrayreqs.js

agreed is a mock server and test client, agreed will be helper for Consumer Driven Contract

"use strict";

const agreedServer = require("../helper/server.js");
const test = require("eater/runner").test;
const http = require("http");
const AssertStream = require("assert-stream");
const assert = require("power-assert");
const mustCall = require("must-call");

test("server: check custom function", () => {
  const server = agreedServer({
    agrees: [
      {
        request: {
          path: "/test/arrayreqs/agreed/values",
          query: {
            "year_months[]": "{:yearMonths}",
          },
        },
        response: {
          body: "{arraify:yearMonths}",
          funcs: {
            arraify: (yearMonths) =>
              yearMonths.map((yearMonth) => yearMonth.substring(0, 4)),
          },
        },
      },
    ],
    port: 0,
  });

  server.on("listening", () => {
    const options = {
      host: "localhost",
      method: "GET",
      path: "/test/arrayreqs/agreed/values?year_months[]=201708&year_months[]=201709&year_months[]=201810",
      port: server.address().port,
    };
    const req = http
      .request(options, (res) => {
        let data = "";
        res.on("data", (d) => (data += d));
        res.on(
          "end",
          mustCall(() => {
            const result = JSON.parse(data);
            assert.deepStrictEqual(result, ["2017", "2017", "2018"]);
          })
        );
        server.close();
      })
      .on("error", console.error);

    req.end();
  });
});