Add test coverage to express app.

test/expressapp.js

@@ -0,0 +1,75 @@
+'use strict';
+
+var chai = require('chai');
+var sinon = require('sinon');
+var request = require('request');
+var http = require('http');
+var should = chai.should();
+var proxyquire = require('proxyquire');
+var config = require('../config.js');
+
+describe('ExpressApp', function() {
+  describe('#constructor', function() {
+    it('will set an express app', function() {
+      var TestExpressApp = proxyquire('../lib/expressapp', {});
+      var express = new TestExpressApp();
+      should.exist(express.app);
+      should.exist(express.app.use);
+      should.exist(express.app.enable);
+    });
+  });
+  describe('#start', function() {
+    it('will listen at the specified port', function(done) {
+      var initialize = sinon.stub().callsArg(1);
+      var TestExpressApp = proxyquire('../lib/expressapp', {
+        './server': {
+          initialize: initialize
+        }
+      });
+      var app = new TestExpressApp();
+      var options = {};
+      app.start(config, function(err) {
+        should.not.exist(err);
+        initialize.callCount.should.equal(1);
+        done();
+      });
+    });
+
+    describe('Routes', function() {
+      var testPort = 3239;
+      var testHost = 'http://127.0.0.1';
+
+      it('/v2/wallets', function(done) {
+        var server = {
+          getStatus: sinon.stub().callsArgWith(1, null, {})
+        };
+        var TestExpressApp = proxyquire('../lib/expressapp', {
+          './server': {
+            initialize: sinon.stub().callsArg(1),
+            getInstanceWithAuth: sinon.stub().callsArgWith(1, null, server),
+          }
+        });
+        var app = new TestExpressApp();
+        var httpServer = http.Server(app.app);
+
+        app.start(config, function(err) {
+          should.not.exist(err);
+          httpServer.listen(testPort);
+          var requestOptions = {
+            url: testHost + ':' + testPort + config.basePath + '/v1/wallets',
+            headers: {
+              'x-identity': 'identity',
+              'x-signature': 'signature'
+            }
+          };
+          request(requestOptions, function(err, response, body){
+            should.not.exist(err);
+            response.statusCode.should.equal(200);
+            body.should.equal('{}');
+            done();
+          });
+        });
+      });
+    });
+  });
+});