added test.yarn script

test/test.yarn

@@ -0,0 +1,123 @@
+#!/bin/bash
+
+YARN_CACHE=".yarn-test-cache"
+TEST_DIR="_test-node-install"
+OWD=$(pwd)
+
+print_status() {
+    echo
+    echo "## $1"
+    echo
+}
+
+cleanup() {
+    print_status "Cleaning up ..."
+    cd "${OWD}"
+    exec_cmd "rm -rf ${TEST_DIR}"
+}
+
+bail() {
+    echo 'Error executing command'
+    cleanup
+    exit 1
+}
+
+exec_cmd_nobail() {
+    echo "+ $1"
+    bash -c "$1"
+}
+
+exec_cmd() {
+    exec_cmd_nobail "$1" || bail
+}
+
+print_status "Testing Node.js and Yarn installation ..."
+
+exec_cmd "mkdir -p ${TEST_DIR} && cd ${TEST_DIR}"
+
+# because the previous cd was in a subshell and only for show
+cd $TEST_DIR
+
+print_status "Creating test package ..."
+
+cat > server.js << EOF
+  const http = require('http')
+      , bl   = require('bl')
+      , bt   = require('buffertools')
+
+  http.createServer(function (req, res) {
+    req.pipe(bl(function (err, data) {
+      res.setHeader('content-type', 'text/plain')
+      if (err) {
+        res.statusCode = 500
+        res.end(err.stack)
+      } else {
+        res.statusCode = 200
+        res.end(bt.reverse(data.slice()))
+      }
+      setTimeout(function () {
+        process.exit(0)
+      }, 200)
+    }))
+  }).listen(3456)
+EOF
+
+cat > test.js << EOF
+  const hyperquest = require('hyperquest')
+      , crypto     = require('crypto')
+      , bl         = require('bl')
+      , assert     = require('assert')
+      , rnd        = [ crypto.randomBytes(32), crypto.randomBytes(32) ]
+
+  function run () {
+    var req = hyperquest.post('http://localhost:3456')
+
+    req.pipe(bl(function (err, data) {
+      assert.ifError(err)
+
+      var rev     = data.toString('hex')
+        , orig    = Buffer.concat(rnd)
+        , i       = orig.length - 1
+        , origRev = new Buffer(orig.length)
+
+      for (; i >= 0; i--)
+        origRev[orig.length - i - 1] = orig[i]
+
+      assert.equal(rev, origRev.toString('hex'))
+
+      console.log('SUCCESS')
+    }))
+
+    req.write(rnd[0])
+    req.end(rnd[1])
+  }
+
+  setTimeout(run, 500)
+EOF
+
+cat > package.json << EOF
+  {
+    "name": "test",
+    "version": "1.0.0",
+    "main": "server.js",
+    "dependencies": {
+      "bl": "~0.9.1",
+      "buffertools": "~2.1.2",
+      "hyperquest": "~0.3.0"
+    },
+    "scripts": {
+      "test": "yarn start; node test.js",
+      "start": "node server.js &"
+    }
+  }
+EOF
+
+print_status "Installing dependencies ..."
+
+exec_cmd "yarn install --cache-folder ${YARN_CACHE}"
+
+print_status "Running test ..."
+
+exec_cmd "yarn test"
+
+cleanup