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%% Copyright (c) 2018-2019, Loïc Hoguin <[email protected]>
%%
%% Permission to use, copy, modify, and/or distribute this software for any
%% purpose with or without fee is hereby granted, provided that the above
%% copyright notice and this permission notice appear in all copies.
%%
%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-module(ws_SUITE).
-compile(export_all).
-compile(nowarn_export_all).
-import(ct_helper, [config/2]).
-import(ct_helper, [doc/1]).
%% ct.
all() ->
[{group, ws}].
groups() ->
[{ws, [], ct_helper:all(?MODULE)}].
init_per_suite(Config) ->
Routes = [
{"/", ws_echo_h, []},
{"/reject", ws_reject_h, []}
],
{ok, _} = cowboy:start_clear(ws, [], #{env => #{
dispatch => cowboy_router:compile([{'_', Routes}])
}}),
Port = ranch:get_port(ws),
[{port, Port}|Config].
end_per_suite(_) ->
cowboy:stop_listener(ws).
%% Tests.
await(Config) ->
doc("Ensure gun:await/2 can be used to receive Websocket frames."),
{ok, ConnPid} = gun:open("localhost", config(port, Config)),
{ok, _} = gun:await_up(ConnPid),
StreamRef = gun:ws_upgrade(ConnPid, "/", []),
{upgrade, [<<"websocket">>], _} = gun:await(ConnPid, StreamRef),
Frame = {text, <<"Hello!">>},
gun:ws_send(ConnPid, Frame),
{ws, Frame} = gun:await(ConnPid, StreamRef),
gun:close(ConnPid).
reject_upgrade(Config) ->
doc("Ensure Websocket connections can be rejected."),
{ok, ConnPid} = gun:open("localhost", config(port, Config)),
{ok, _} = gun:await_up(ConnPid),
StreamRef = gun:ws_upgrade(ConnPid, "/reject", []),
receive
{gun_response, ConnPid, StreamRef, nofin, 400, _} ->
{ok, <<"Upgrade rejected">>} = gun:await_body(ConnPid, StreamRef, 1000),
gun:close(ConnPid);
Msg ->
error({fail, Msg})
after 1000 ->
error(timeout)
end.
send_many(Config) ->
doc("Ensure we can send a list of frames in one gun:ws_send call."),
{ok, ConnPid} = gun:open("localhost", config(port, Config)),
{ok, _} = gun:await_up(ConnPid),
StreamRef = gun:ws_upgrade(ConnPid, "/", []),
{upgrade, [<<"websocket">>], _} = gun:await(ConnPid, StreamRef),
Frame1 = {text, <<"Hello!">>},
Frame2 = {binary, <<"World!">>},
gun:ws_send(ConnPid, [Frame1, Frame2]),
{ws, Frame1} = gun:await(ConnPid, StreamRef),
{ws, Frame2} = gun:await(ConnPid, StreamRef),
gun:close(ConnPid).
send_many_close(Config) ->
doc("Ensure we can send a list of frames in one gun:ws_send call, including a close frame."),
{ok, ConnPid} = gun:open("localhost", config(port, Config)),
{ok, _} = gun:await_up(ConnPid),
StreamRef = gun:ws_upgrade(ConnPid, "/", []),
{upgrade, [<<"websocket">>], _} = gun:await(ConnPid, StreamRef),
Frame1 = {text, <<"Hello!">>},
Frame2 = {binary, <<"World!">>},
gun:ws_send(ConnPid, [Frame1, Frame2, close]),
{ws, Frame1} = gun:await(ConnPid, StreamRef),
{ws, Frame2} = gun:await(ConnPid, StreamRef),
{ws, close} = gun:await(ConnPid, StreamRef),
gun:close(ConnPid).
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