node/deps/npm/node_modules/npm-registry-client/test/request-gzip-content.js

var zlib = require("zlib")
var tap = require("tap")

var server = require("./lib/server.js")
var common = require("./lib/common.js")
var client = common.freshClient({
  retry : {
    count : 1,
    minTimeout : 10,
    maxTimeout : 100
  }
})

var TEST_URL = common.registry+"/some-package-gzip/1.2.3"

var pkg = {
  _id : "some-package-gzip@1.2.3",
  name : "some-package-gzip",
  version : "1.2.3"
}

zlib.gzip(JSON.stringify(pkg), function (err, pkgGzip) {
  tap.test("request gzip package content", function (t) {
    t.ifError(err, "example package compressed")

    server.expect("GET", "/some-package-gzip/1.2.3", function (req, res) {
      res.statusCode = 200
      res.setHeader("Content-Encoding", "gzip")
      res.setHeader("Content-Type", "application/json")
      res.end(pkgGzip)
    })

    client.get(TEST_URL, {}, function (er, data) {
      if (er) throw er
      t.deepEqual(data, pkg, "some-package-gzip version 1.2.3")
      t.end()
    })
  })

  tap.test("request wrong gzip package content", function (t) {
    // will retry 3 times
    for (var i = 0; i < 3; i++) {
      server.expect("GET", "/some-package-gzip/1.2.3", function (req, res) {
        res.statusCode = 200
        res.setHeader("Content-Encoding", "gzip")
        res.setHeader("Content-Type", "application/json")
        res.end(new Buffer("wrong gzip content"))
      })
    }

    client.get(TEST_URL, {}, function (er) {
      t.ok(er, "ungzip error")
      t.end()
    })
  })
})