Add test and example for custom protocol

examples/custom_protocol.py

@@ -0,0 +1,24 @@
+from sanic import Sanic
+from sanic.server import HttpProtocol
+from sanic.response import text
+
+app = Sanic(__name__)
+
+
+class CustomHttpProtocol(HttpProtocol):
+
+    def write_response(self, response):
+        if isinstance(response, str):
+            response = text(response)
+        self.transport.write(
+            response.output(self.request.version)
+        )
+        self.transport.close()
+
+
+@app.route("/")
+async def test(request):
+    return 'Hello, world!'
+
+
+app.run(host="0.0.0.0", port=8000, protocol=CustomHttpProtocol)

sanic/utils.py

@@ -16,8 +16,8 @@ async def local_request(method, uri, cookies=None, *args, **kwargs):
 
 
 def sanic_endpoint_test(app, method='get', uri='/', gather_request=True,
-                        loop=None, debug=False, *request_args,
-                        **request_kwargs):
+                        loop=None, debug=False, server_kwargs={},
+                        *request_args, **request_kwargs):
     results = []
     exceptions = []
 
@@ -36,7 +36,7 @@ def sanic_endpoint_test(app, method='get', uri='/', gather_request=True,
         app.stop()
 
     app.run(host=HOST, debug=debug, port=42101,
-            after_start=_collect_response, loop=loop)
+            after_start=_collect_response, loop=loop, **server_kwargs)
 
     if exceptions:
         raise ValueError("Exception during request: {}".format(exceptions))

tests/test_custom_protocol.py

@@ -0,0 +1,32 @@
+from sanic import Sanic
+from sanic.server import HttpProtocol
+from sanic.response import text
+from sanic.utils import sanic_endpoint_test
+
+app = Sanic('test_custom_porotocol')
+
+
+class CustomHttpProtocol(HttpProtocol):
+
+    def write_response(self, response):
+        if isinstance(response, str):
+            response = text(response)
+        self.transport.write(
+            response.output(self.request.version)
+        )
+        self.transport.close()
+
+
+@app.route('/1')
+async def handler_1(request):
+    return 'OK'
+
+
+def test_use_custom_protocol():
+    server_kwargs = {
+        'protocol': CustomHttpProtocol
+    }
+    request, response = sanic_endpoint_test(app, uri='/1',
+                                            server_kwargs=server_kwargs)
+    assert response.status == 200
+    assert response.text == 'OK'