@reedchan/koa-http-proxy/test/headers.js

http proxy middleware for koa

var assert = require("assert");
var Koa = require("koa");
var agent = require("supertest").agent;
var proxy = require("../");

describe("proxies headers", function () {
  "use strict";
  this.timeout(10000);

  var http;

  beforeEach(function () {
    http = new Koa();
    http.use(
      proxy("http://httpbin.org", {
        headers: {
          "X-Current-president": "taft",
        },
      }),
    );
  });

  it("does not include connection header by default", function (done) {
    var app = new Koa();
    app.use(
      proxy("httpbin.org", {
        proxyReqOptDecorator: function (reqOpts, ctx) {
          try {
            assert(!reqOpts.headers.connection);
          } catch (err) {
            done(err);
          }
          return ctx;
        },
      }),
    );

    agent(app.callback())
      .get("/user-agent")
      .end(function (err) {
        if (err) {
          return done(err);
        }
        done();
      });
  });

  it("passed as options", function (done) {
    agent(http.callback())
      .get("/headers")
      .expect(200)
      .end(function (err, res) {
        if (err) {
          return done(err);
        }
        assert(res.body.headers["X-Current-President"] === "taft");
        done();
      });
  });

  it("passed as on request", function (done) {
    agent(http.callback())
      .get("/headers")
      .set("X-Powerererer", "XTYORG")
      .expect(200)
      .end(function (err, res) {
        if (err) {
          return done(err);
        }
        assert(res.body.headers["X-Powerererer"]);
        done();
      });
  });
});