From a2facaf2da2c95df32ffdc529bd3bdd9f91c080c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Mon, 14 Aug 2017 17:17:44 +0200
Subject: Add tests for the streams shutdown mechanism

---
 test/handlers/stream_handler_h.erl | 45 +++++++++++++++++++++++++++++++++-----
 1 file changed, 40 insertions(+), 5 deletions(-)

(limited to 'test/handlers')

diff --git a/test/handlers/stream_handler_h.erl b/test/handlers/stream_handler_h.erl
index bb4a6da..3ee4932 100644
--- a/test/handlers/stream_handler_h.erl
+++ b/test/handlers/stream_handler_h.erl
@@ -9,21 +9,56 @@
 -export([terminate/3]).
 -export([early_error/5]).
 
+-record(state, {
+	pid,
+	test
+}).
+
 init(StreamID, Req, Opts) ->
-	%% @todo Vary behavior depending on x-test-case.
 	Pid = list_to_pid(binary_to_list(cowboy_req:header(<<"x-test-pid">>, Req))),
+	Test = binary_to_atom(cowboy_req:header(<<"x-test-case">>, Req), latin1),
+	State = #state{pid=Pid, test=Test},
 	Pid ! {Pid, self(), init, StreamID, Req, Opts},
-	{[{headers, 200, #{}}], Pid}.
+	{init_commands(StreamID, Req, State), State}.
+
+init_commands(_, _, State=#state{test=shutdown_on_stream_stop}) ->
+	Spawn = init_process(false, State),
+	[{headers, 200, #{}}, {spawn, Spawn, 5000}, stop];
+init_commands(_, _, State=#state{test=shutdown_on_socket_close}) ->
+	Spawn = init_process(false, State),
+	[{headers, 200, #{}}, {spawn, Spawn, 5000}];
+init_commands(_, _, State=#state{test=shutdown_timeout_on_stream_stop}) ->
+	Spawn = init_process(true, State),
+	[{headers, 200, #{}}, {spawn, Spawn, 2000}, stop];
+init_commands(_, _, State=#state{test=shutdown_timeout_on_socket_close}) ->
+	Spawn = init_process(true, State),
+	[{headers, 200, #{}}, {spawn, Spawn, 2000}];
+init_commands(_, _, _) ->
+	[{headers, 200, #{}}].
+
+init_process(TrapExit, #state{pid=Pid}) ->
+	Self = self(),
+	Spawn = spawn_link(fun() ->
+		process_flag(trap_exit, TrapExit),
+		Pid ! {Pid, Self, spawned, self()},
+		receive {Pid, ready} -> ok after 1000 -> error(timeout) end,
+		Self ! {self(), ready},
+		receive after 5000 ->
+			Pid ! {Pid, Self, still_alive, self()}
+		end
+	end),
+	receive {Spawn, ready} -> ok after 1000 -> error(timeout) end,
+	Spawn.
 
-data(StreamID, IsFin, Data, State=Pid) ->
+data(StreamID, IsFin, Data, State=#state{pid=Pid}) ->
 	Pid ! {Pid, self(), data, StreamID, IsFin, Data, State},
 	{[], State}.
 
-info(StreamID, Info, State=Pid) ->
+info(StreamID, Info, State=#state{pid=Pid}) ->
 	Pid ! {Pid, self(), info, StreamID, Info, State},
 	{[], State}.
 
-terminate(StreamID, Reason, State=Pid) ->
+terminate(StreamID, Reason, State=#state{pid=Pid}) ->
 	Pid ! {Pid, self(), terminate, StreamID, Reason, State},
 	ok.
 
-- 
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