fix one example and add one example (#1257)

examples/blueprints.py

@@ -1,7 +1,5 @@
-from sanic import Sanic
-from sanic import Blueprint
-from sanic.response import json
-
+from sanic import Blueprint, Sanic
+from sanic.response import file, json
 
 app = Sanic(__name__)
 blueprint = Blueprint('name', url_prefix='/my_blueprint')
@@ -19,7 +17,12 @@ async def foo2(request):
     return json({'msg': 'hi from blueprint2'})
 
 
-@blueprint3.websocket('/foo')
+@blueprint3.route('/foo')
+async def index(request):
+    return await file('websocket.html')
+
+
+@app.websocket('/feed')
 async def foo3(request, ws):
     while True:
         data = 'hello!'

examples/simple_async_view.py

@@ -0,0 +1,42 @@
+from sanic import Sanic
+from sanic.views import HTTPMethodView
+from sanic.response import text
+
+app = Sanic('some_name')
+
+
+class SimpleView(HTTPMethodView):
+
+    def get(self, request):
+        return text('I am get method')
+
+    def post(self, request):
+        return text('I am post method')
+
+    def put(self, request):
+        return text('I am put method')
+
+    def patch(self, request):
+        return text('I am patch method')
+
+    def delete(self, request):
+        return text('I am delete method')
+
+
+class SimpleAsyncView(HTTPMethodView):
+
+    async def get(self, request):
+        return text('I am async get method')
+
+    async def post(self, request):
+        return text('I am async post method')
+
+    async def put(self, request):
+        return text('I am async put method')
+
+
+app.add_route(SimpleView.as_view(), '/')
+app.add_route(SimpleAsyncView.as_view(), '/async')
+
+if __name__ == '__main__':
+    app.run(host="0.0.0.0", port=8000, debug=True)