pen/test/test-index.js

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import assert from "assert";
import helper from "./lib/helper";
import path from "path";
import request from "request";
import { spawn } from "child_process";

describe("index", () => {
  let proc;
  const cwd = process.cwd();
  const indexScriptPath = path.join(cwd, "index.js");

  beforeEach(() => {
    helper.makeDirectory("server-root");
    helper.createFile("server-root/test1.txt", "hello");
    process.chdir(helper.path("server-root"));
  });

  afterEach(done => {
    proc.on("close", done);
    proc.kill();
    helper.clean();
    process.chdir(cwd);
  });

  it("runs a server listening to a port", done => {
    proc = spawn("node", [indexScriptPath]);
    proc.stdout.on("data", data => {
      assert.equal(data.toString(), "listening 6060 ...\n");
      request.get("http://localhost:6060/test1.txt", (err, res, body) => {
        if (err) {
          done(err);
          return;
        }

        assert.equal(res.statusCode, 200);
        assert.equal(body, "hello");
        done();
      });
    });
  });

  it("runs a server listening to a custom port", done => {
    proc = spawn("node", [indexScriptPath, "-p", "1234"]);
    proc.stdout.on("data", data => {
      assert.equal(data.toString(), "listening 1234 ...\n");
      request.get("http://localhost:1234/test1.txt", (err, res, body) => {
        if (err) {
          done(err);
          return;
        }

        assert.equal(res.statusCode, 200);
        assert.equal(body, "hello");
        done();
      });
    });
  });
});