add setVariable

lib/context.js

@@ -105,6 +105,10 @@ Context.prototype.getVariable = function (name, cb) {
   this.send('GET VARIABLE ' + name + '\n', cb || function() { });
 };
 
+Context.prototype.setVariable = function (name, value, cb) {
+  this.send('SET VARIABLE ' + name + ' ' + value + '\n', cb || function() { });
+};
+
 Context.prototype.answer = function (cb) {
   this.send('ANSWER' + '\n', cb || function() { });
 };

lib/index.js

@@ -3,8 +3,8 @@ var Context = require('./context');
 var agi = {
   state: require('./state'),
   Context: Context,
-  createServer: function(handler) {
-    return require('net').createServer(function(stream) {
+  createServer: function (handler) {
+    return require('net').createServer(function (stream) {
       var context = new Context(stream);
       handler(context);
     });

test/index.js

@@ -146,6 +146,13 @@ describe('Context', function() {
     });
   });
 
+  describe('setVariable', function() {
+    it('sends correct command', function() {
+      this.context.setVariable('test', 'test');
+      expect(this.context.sent.join('')).to.eql('SET VARIABLE test test\n');
+    });
+  });
+
   describe('getVariable', function() {
     it('sends correct command', function() {
       this.context.getVariable('test');