Returning updated swaggerObject

index.js

@@ -95,6 +95,12 @@ function routes(loopbackApplication, options) {
 function mountSwagger(loopbackApplication, swaggerApp, opts) {
   var swaggerObject = createSwaggerObject(loopbackApplication, opts);
 
+  //listening to modelRemoted event for updating the swaggerObject 
+  // with the newly created model to appear in the Swagger UI.
+  loopbackApplication.on('modelRemoted', function() {
+    swaggerObject = createSwaggerObject(loopbackApplication, opts);
+  });
+
   var resourcePath = opts && opts.resourcePath || 'swagger.json';
   if (resourcePath[0] !== '/') resourcePath = '/' + resourcePath;
 

test/explorer.test.js

@@ -220,6 +220,35 @@ describe('explorer', function() {
     });
   });
 
+  describe('when creating/adding new models', function() {
+	var app = loopback();  
+    it('should allow setting up swagger explorer', function(done) {
+      configureRestApiAndExplorer(app, '/explorer');
+
+      request(app)
+        .get('/explorer/swagger.json')
+        .expect(200)
+        .end(done);
+    });
+
+    it('should show newly created model', function(done) {
+      var modelName = 'Customer';
+      var Model = loopback.PersistedModel.extend(modelName);
+      Model.attachTo(loopback.memory());
+      app.model(Model);
+
+      request(app)
+        .get('/explorer/swagger.json')
+        .expect(200)
+        .end(function(err, res) {
+          if (err) return done(err);
+          var paths = Object.keys(res.body.paths);
+          expect(paths.indexOf('/'+modelName+'s')).to.not.equal(-1);
+          done();
+        });
+    });
+  });
+
   function givenLoopBackAppWithExplorer(explorerBase) {
     return function(done) {
       var app = this.app = loopback();