Add browser test to keep track of browserify compability.

.travis.yml

@@ -2,6 +2,7 @@ language: node_js
 node_js:
   - "0.8"
   - "0.10"
+before_install: npm install -g npm@~1.4.6
 after_script: ./node_modules/.bin/istanbul cover ./node_modules/tape/bin/tape tests/test-*.js --report lcovonly && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js --verbose
 webhooks:
   urls: https://webhooks.gitter.im/e/237280ed4796c19cc626

package.json

@@ -40,15 +40,22 @@
     "combined-stream": "~0.0.5"
   },
   "scripts": {
-    "test": "npm run lint && node node_modules/.bin/taper tests/test-*.js",
+    "test": "npm run lint && node node_modules/.bin/taper tests/test-*.js && npm run test-browser",
+    "test-browser": "browserify tests/browser/test.js -o tests/browser/test-browser.js && karma start tests/browser/karma.conf.js",
     "lint": "node node_modules/.bin/eslint lib/ *.js tests/ && echo Lint passed."
   },
   "devDependencies": {
+    "browserify": "~5.9.1",
+    "coveralls": "~2.11.2",
     "eslint": "0.5.1",
+    "function-bind": "~1.0.0",
+    "istanbul": "~0.3.2",
+    "karma": "~0.12.21",
+    "karma-cli": "0.0.4",
+    "karma-phantomjs-launcher": "~0.1.4",
+    "karma-tap": "~1.0.1",
     "rimraf": "~2.2.8",
     "tape": "~3.0.0",
-    "taper": "~0.3.0",
-    "istanbul": "~0.3.2",
-    "coveralls": "~2.11.2"
+    "taper": "~0.3.0"
   }
 }

tests/browser/karma.conf.js

@@ -0,0 +1,24 @@
+'use strict'
+
+module.exports = function(config) {
+  config.set({
+    basePath: '',
+    frameworks: ['tap'],
+    files: [
+      'test-browser.js'
+    ],
+    port: 9876,
+
+    reporters: ['dots'],
+
+    colors: true,
+
+    logLevel: config.LOG_ERROR,
+
+    autoWatch: false,
+
+    browsers: ['PhantomJS'],
+
+    singleRun: true
+  })
+}

tests/browser/test.js

@@ -0,0 +1,25 @@
+'use strict'
+
+if (!Function.prototype.bind) {
+  // This is because of the fact that phantom.js does not have Function.bind.
+  // This is a bug in phantom.js.
+  // More info: https://github.com/ariya/phantomjs/issues/10522
+  /*eslint no-extend-native:0*/
+  Function.prototype.bind = require('function-bind')
+}
+
+
+var assert = require('assert')
+  , tape = require('tape')
+  , request = require('../../index')
+
+tape('Request browser test', function(t) {
+  t.plan(1)
+  request({
+    uri: 'https://api.github.com',
+    withCredentials: false
+  }, function (error, response) {
+    t.equal(response.statusCode, 200)
+    t.end()
+  })
+})