From 0b15ed914dd84e15a7d354807696d9bfa82bbebb Mon Sep 17 00:00:00 2001
From: Magnus Klaar <klaar@ninenines.fr>
Date: Sun, 1 Apr 2012 18:58:28 -0700
Subject: Add support for fragmented websocket messages

---
 test/ws_SUITE.erl | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 60 insertions(+), 3 deletions(-)

(limited to 'test/ws_SUITE.erl')

diff --git a/test/ws_SUITE.erl b/test/ws_SUITE.erl
index 136833f..0c5e2c8 100644
--- a/test/ws_SUITE.erl
+++ b/test/ws_SUITE.erl
@@ -19,7 +19,7 @@
 -export([all/0, groups/0, init_per_suite/1, end_per_suite/1,
 	init_per_group/2, end_per_group/2]). %% ct.
 -export([ws0/1, ws8/1, ws8_single_bytes/1, ws8_init_shutdown/1,
-	ws13/1, ws_timeout_hibernate/1]). %% ws.
+	ws13/1, ws_timeout_hibernate/1, ws_text_fragments/1]). %% ws.
 
 %% ct.
 
@@ -28,7 +28,7 @@ all() ->
 
 groups() ->
 	BaseTests = [ws0, ws8, ws8_single_bytes, ws8_init_shutdown, ws13,
-		ws_timeout_hibernate],
+		ws_timeout_hibernate, ws_text_fragments],
 	[{ws, [], BaseTests}].
 
 init_per_suite(Config) ->
@@ -60,7 +60,8 @@ init_dispatch() ->
 		{[<<"localhost">>], [
 			{[<<"websocket">>], websocket_handler, []},
 			{[<<"ws_timeout_hibernate">>], ws_timeout_hibernate_handler, []},
-			{[<<"ws_init_shutdown">>], websocket_handler_init_shutdown, []}
+			{[<<"ws_init_shutdown">>], websocket_handler_init_shutdown, []},
+			{[<<"ws_echo_handler">>], websocket_echo_handler, []}
 		]}
 	].
 
@@ -310,6 +311,62 @@ ws13(Config) ->
 	{error, closed} = gen_tcp:recv(Socket, 0, 6000),
 	ok.
 
+ws_text_fragments(Config) ->
+	{port, Port} = lists:keyfind(port, 1, Config),
+	{ok, Socket} = gen_tcp:connect("localhost", Port,
+		[binary, {active, false}, {packet, raw}]),
+	ok = gen_tcp:send(Socket, [
+		"GET /ws_echo_handler HTTP/1.1\r\n"
+		"Host: localhost\r\n"
+		"Connection: Upgrade\r\n"
+		"Upgrade: websocket\r\n"
+		"Sec-WebSocket-Origin: http://localhost\r\n"
+		"Sec-WebSocket-Version: 8\r\n"
+		"Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n"
+		"\r\n"]),
+	{ok, Handshake} = gen_tcp:recv(Socket, 0, 6000),
+	{ok, {http_response, {1, 1}, 101, "Switching Protocols"}, Rest}
+		= erlang:decode_packet(http, Handshake, []),
+	[Headers, <<>>] = websocket_headers(
+		erlang:decode_packet(httph, Rest, []), []),
+	{'Connection', "Upgrade"} = lists:keyfind('Connection', 1, Headers),
+	{'Upgrade', "websocket"} = lists:keyfind('Upgrade', 1, Headers),
+	{"sec-websocket-accept", "s3pPLMBiTxaQ9kYGzzhZRbK+xOo="}
+		= lists:keyfind("sec-websocket-accept", 1, Headers),
+
+	ok = gen_tcp:send(Socket, [
+		<< 0:1, 0:3, 1:4, 1:1, 5:7 >>,
+		<< 16#37 >>, << 16#fa >>, << 16#21 >>, << 16#3d >>, << 16#7f >>,
+		<< 16#9f >>, << 16#4d >>, << 16#51 >>, << 16#58 >>]),
+	ok = gen_tcp:send(Socket, [
+		<< 1:1, 0:3, 0:4, 1:1, 5:7 >>,
+		<< 16#37 >>, << 16#fa >>, << 16#21 >>, << 16#3d >>, << 16#7f >>,
+		<< 16#9f >>, << 16#4d >>, << 16#51 >>, << 16#58 >>]),
+	{ok, << 1:1, 0:3, 1:4, 0:1, 10:7, "HelloHello" >>}
+		= gen_tcp:recv(Socket, 0, 6000),
+
+	ok = gen_tcp:send(Socket, [
+		%% #1
+		<< 0:1, 0:3, 1:4, 1:1, 5:7 >>,
+		<< 16#37 >>, << 16#fa >>, << 16#21 >>, << 16#3d >>, << 16#7f >>,
+		<< 16#9f >>, << 16#4d >>, << 16#51 >>, << 16#58 >>,
+		%% #2
+		<< 0:1, 0:3, 0:4, 1:1, 5:7 >>,
+		<< 16#37 >>, << 16#fa >>, << 16#21 >>, << 16#3d >>, << 16#7f >>,
+		<< 16#9f >>, << 16#4d >>, << 16#51 >>, << 16#58 >>,
+		%% #3
+		<< 1:1, 0:3, 0:4, 1:1, 5:7 >>,
+		<< 16#37 >>, << 16#fa >>, << 16#21 >>, << 16#3d >>, << 16#7f >>,
+		<< 16#9f >>, << 16#4d >>, << 16#51 >>, << 16#58 >>]),
+	{ok, << 1:1, 0:3, 1:4, 0:1, 15:7, "HelloHelloHello" >>}
+		= gen_tcp:recv(Socket, 0, 6000),
+
+	ok = gen_tcp:send(Socket, << 1:1, 0:3, 8:4, 0:8 >>), %% close
+	{ok, << 1:1, 0:3, 8:4, 0:8 >>} = gen_tcp:recv(Socket, 0, 6000),
+	{error, closed} = gen_tcp:recv(Socket, 0, 6000),
+	ok.
+
+
 websocket_headers({ok, http_eoh, Rest}, Acc) ->
 	[Acc, Rest];
 websocket_headers({ok, {http_header, _I, Key, _R, Value}, Rest}, Acc) ->
-- 
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