--- /dev/null
+var resolve = require('path').resolve
+var createReadStream = require('graceful-fs').createReadStream
+var readFileSync = require('graceful-fs').readFileSync
+
+var test = require('tap').test
+var concat = require('concat-stream')
+
+var server = require('./lib/server.js')
+var common = require('./lib/common.js')
+var client = common.freshClient()
+
+var tgz = resolve(__dirname, './fixtures/underscore/1.3.3/package.tgz')
+
+function nop () {}
+
+var URI = 'https://npm.registry:8043/rewrite'
+var USERNAME = 'username'
+var PASSWORD = 'hi'
+var EMAIL = 'n@p.m'
+var HEADERS = {
+ 'npm-custom': 'lolbutts'
+}
+var AUTH = {
+ username: USERNAME,
+ password: PASSWORD,
+ email: EMAIL
+}
+var PARAMS = {
+ headers: HEADERS,
+ auth: AUTH
+}
+
+test('fetch call contract', function (t) {
+ t.throws(function () {
+ client.get(undefined, PARAMS, nop)
+ }, 'requires a URI')
+
+ t.throws(function () {
+ client.get([], PARAMS, nop)
+ }, 'requires URI to be a string')
+
+ t.throws(function () {
+ client.get(URI, undefined, nop)
+ }, 'requires params object')
+
+ t.throws(function () {
+ client.get(URI, '', nop)
+ }, 'params must be object')
+
+ t.throws(function () {
+ client.get(URI, PARAMS, undefined)
+ }, 'requires callback')
+
+ t.throws(function () {
+ client.get(URI, PARAMS, 'callback')
+ }, 'callback must be function')
+
+ t.end()
+})
+
+test('basic fetch', function (t) {
+ server.expect('/underscore/-/underscore-1.3.3.tgz', function (req, res) {
+ t.equal(req.method, 'GET', 'got expected method')
+
+ res.writeHead(200, {
+ 'content-type': 'application/x-tar',
+ 'content-encoding': 'gzip'
+ })
+
+ createReadStream(tgz).pipe(res)
+ })
+
+ var defaulted = {}
+ client.fetch(
+ 'http://localhost:1337/underscore/-/underscore-1.3.3.tgz',
+ defaulted,
+ function (er, res) {
+ t.ifError(er, 'loaded successfully')
+
+ var sink = concat(function (data) {
+ t.deepEqual(data, readFileSync(tgz))
+ server.close()
+ t.end()
+ })
+
+ res.on('error', function (error) {
+ t.ifError(error, 'no errors on stream')
+ })
+
+ res.pipe(sink)
+ }
+ )
+})