bench: add simple benchmark

.travis.yml

@@ -17,6 +17,8 @@ dist: precise
 before_install:
   # Skip updating shrinkwrap / lock
   - "npm config set shrinkwrap false"
+  # Remove all non-test dependencies
+  - "npm rm --save-dev benchmark beautify-benchmark"
   # Setup Node.js version-specific dependencies
   - "test $TRAVIS_NODE_VERSION != '0.6' || npm rm --save-dev istanbul"
   - "test $TRAVIS_NODE_VERSION != '0.8' || npm rm --save-dev istanbul"

benchmark/index.js

@@ -0,0 +1,59 @@
+
+/**
+ * Module dependencies.
+ */
+
+var benchmark = require('benchmark')
+var benchmarks = require('beautify-benchmark')
+
+/**
+ * Globals for benchmark.js
+ */
+
+global.fakerequest = fakerequest
+global.forwarded = require('..')
+
+var suite = new benchmark.Suite()
+
+suite.add({
+  name: 'no header',
+  minSamples: 100,
+  fn: 'var addrs = forwarded(fakerequest({}))'
+})
+
+suite.add({
+  name: '1 address',
+  minSamples: 100,
+  fn: 'var addrs = forwarded(fakerequest({ "x-forwarded-for": "192.168.0.10" }))'
+})
+
+suite.add({
+  name: '2 addresses',
+  minSamples: 100,
+  fn: 'var addrs = forwarded(fakerequest({ "x-forwarded-for": "192.168.0.10, 192.168.1.20" }))'
+})
+
+suite.add({
+  name: '5 addresses',
+  minSamples: 100,
+  fn: 'var addrs = forwarded(fakerequest({ "x-forwarded-for": "192.168.0.10, 192.168.1.20, 192.168.1.21, 192.168.1.22, 192.168.1.23" }))'
+})
+
+suite.on('cycle', function onCycle (event) {
+  benchmarks.add(event.target)
+})
+
+suite.on('complete', function onComplete () {
+  benchmarks.log()
+})
+
+suite.run({async: false})
+
+function fakerequest (headers) {
+  return {
+    headers: headers,
+    connection: {
+      remoteAddress: '10.0.0.1'
+    }
+  }
+}

package.json

@@ -13,6 +13,8 @@
   ],
   "repository": "jshttp/forwarded",
   "devDependencies": {
+    "beautify-benchmark": "0.2.4",
+    "benchmark": "2.1.4",
     "eslint": "3.19.0",
     "eslint-config-standard": "10.2.1",
     "eslint-plugin-import": "2.7.0",
@@ -32,6 +34,7 @@
     "node": ">= 0.6"
   },
   "scripts": {
+    "bench": "node benchmark/index.js",
     "lint": "eslint .",
     "test": "mocha --reporter spec --bail --check-leaks test/",
     "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",