add test

test/app.test.js

@@ -0,0 +1,63 @@
+'use strict';
+
+// Full server test, cause Node is awesome
+var app = require('../index')
+  , assert = require('assert')
+  , Promise = require('bluebird')
+  , request = Promise.promisify(require('request'));
+
+describe('Aggregator', function () {
+
+  it ('should decode/encode stuff properly', function () {
+    return request('http://localhost:3000/search?q=' + encodeURIComponent("blank space")).spread(function (resp, body) {
+      assert.equal(resp.statusCode, 200);
+      body = JSON.parse(body);
+      assert(body.length);
+      assert(body.filter(function (el) {
+        return el.title.toLowerCase().indexOf('taylor swift') > -1;
+      })[0]);
+    });
+  });
+
+  it('should get some google, bing and yahoo results for wiki', function () {
+    var includes = {
+      google: 0,
+      yahoo: 0,
+      bing: 0
+    };
+    return request('http://localhost:3000/search?q=wiki').spread(function (resp, body) {
+      assert.equal(resp.statusCode, 200);
+      body = JSON.parse(body);
+      body.forEach(function (r) {
+        includes.google += +(r.poweredBy === 'google');
+        includes.yahoo += +(r.poweredBy === 'yahoo');
+        includes.bing += +(r.poweredBy === 'bing');
+      });
+
+      assert(includes.google);
+      assert(includes.yahoo);
+      assert(includes.bing);
+    });
+  });
+
+  it('should group top results together', function () {
+    var includes = {
+      google: 0,
+      yahoo: 0,
+      bing: 0
+    };
+    return request('http://localhost:3000/search?q=snowden').spread(function (resp, body) {
+      assert.equal(resp.statusCode, 200);
+      body = JSON.parse(body);
+      body.slice(0, 3).forEach(function (r) {
+        includes.google += +(r.poweredBy === 'google');
+        includes.yahoo += +(r.poweredBy === 'yahoo');
+        includes.bing += +(r.poweredBy === 'bing');
+      });
+
+      assert(includes.google);
+      assert(includes.yahoo);
+      assert(includes.bing);
+    });
+  });
+});