added unit testing, and started implementing unit tests...phew

node_modules/chai/karma.sauce.js

@@ -0,0 +1,41 @@
+var version = require('./package.json').version;
+var ts = new Date().getTime();
+
+module.exports = function(config) {
+  var auth;
+
+  try {
+    auth = require('./test/auth/index');
+  } catch(ex) {
+    auth = {};
+    auth.SAUCE_USERNAME = process.env.SAUCE_USERNAME || null;
+    auth.SAUCE_ACCESS_KEY = process.env.SAUCE_ACCESS_KEY || null;
+  }
+
+  if (!auth.SAUCE_USERNAME || !auth.SAUCE_ACCESS_KEY) return;
+  if (process.env.SKIP_SAUCE) return;
+
+  var branch = process.env.TRAVIS_BRANCH || 'local'
+  var browserConfig = require('./sauce.browsers');
+  var browsers = Object.keys(browserConfig);
+  var tags = [ 'chaijs_' + version, auth.SAUCE_USERNAME + '@' + branch ];
+  var tunnel = process.env.TRAVIS_JOB_NUMBER || ts;
+
+  if (process.env.TRAVIS_JOB_NUMBER) {
+    tags.push('travis@' + process.env.TRAVIS_JOB_NUMBER);
+  }
+
+  config.browsers = config.browsers.concat(browsers);
+  config.customLaunchers = browserConfig;
+  config.reporters.push('saucelabs');
+  config.captureTimeout = 300000;
+
+  config.sauceLabs = {
+      username: auth.SAUCE_USERNAME
+    , accessKey: auth.SAUCE_ACCESS_KEY
+    , startConnect: ('TRAVIS' in process.env) === false
+    , tags: tags
+    , testName: 'ChaiJS'
+    , tunnelIdentifier: tunnel
+  };
+};