test service.js

lib/service.js

@@ -12,10 +12,14 @@ Service.prototype = {
     //console.debug("Configuration for %s: %s", service_name, global_config);
   },
 
-  execute: function(config, directory) {
-    var service_path = path.resolve(__dirname, '../services/' + this.name + '.js'),
-        service = require(service_path);
+  execute: function() {
+    var service = this._load_service();
     return service(this);
+  },
+
+  _load_service: function() {
+    var service_path = path.resolve(__dirname, 'services/' + this.name + '.js');
+    return require(service_path);
   }
 };
 

test/service.js

@@ -0,0 +1,24 @@
+var sinon = require('sinon'),
+    Service = require('../lib/service.js'),
+    expect = require('chai').expect;
+
+describe('service.js', function() {
+  it('Correctly load the service', function() {
+    var trello = require('../lib/services/trello.js');
+        service = new Service("trello", {"services": {"trello": {}}}, "foobar")._load_service();
+    expect(service).to.equal(trello); 
+  });
+
+  it('Correctly execute the service', function() {
+    var service = new Service("trello", {"services": {"trello": {}}}, "foobar"),
+        obj = sinon.spy();
+
+    sinon.stub(service, "_load_service", function() {
+      return function(){return obj;};
+    });
+
+    expect(service.execute()).to.equal(obj); 
+
+    service._load_service.restore();
+  });
+});