%% Copyright (c) 2017-2018, 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(sse_SUITE).
-compile(export_all).
-compile(nowarn_export_all).
-import(ct_helper, [config/2]).
all() ->
[http_clock, http2_clock, lone_id].
init_per_suite(Config) ->
gun_test:init_cowboy_tls(?MODULE, #{
env => #{dispatch => cowboy_router:compile(init_routes())}
}, Config).
end_per_suite(Config) ->
cowboy:stop_listener(config(ref, Config)).
init_routes() -> [
{"localhost", [
{"/clock", sse_clock_h, []},
{"/lone_id", sse_lone_id_h, []}
]}
].
http_clock(Config) ->
{ok, Pid} = gun:open("localhost", config(port, Config), #{
transport => tls,
protocols => [http],
http_opts => #{content_handlers => [gun_sse_h, gun_data_h]}
}),
{ok, http} = gun:await_up(Pid),
do_clock_common(Pid).
http2_clock(Config) ->
{ok, Pid} = gun:open("localhost", config(port, Config), #{
transport => tls,
protocols => [http2],
http2_opts => #{content_handlers => [gun_sse_h, gun_data_h]}
}),
{ok, http2} = gun:await_up(Pid),
do_clock_common(Pid).
do_clock_common(Pid) ->
Ref = gun:get(Pid, "/clock", [
{<<"host">>, <<"localhost">>},
{<<"accept">>, <<"text/event-stream">>}
]),
receive
{gun_response, Pid, Ref, nofin, 200, Headers} ->
{_, <<"text/event-stream">>}
= lists:keyfind(<<"content-type">>, 1, Headers),
event_loop(Pid, Ref, 3)
after 5000 ->
error(timeout)
end.
event_loop(Pid, _, 0) ->
gun:close(Pid);
event_loop(Pid, Ref, N) ->
receive
{gun_sse, Pid, Ref, Event} ->
#{
last_event_id := <<>>,
event_type := <<"message">>,
data := Data
} = Event,
true = is_list(Data) orelse is_binary(Data),
event_loop(Pid, Ref, N - 1)
after 10000 ->
error(timeout)
end.
lone_id(Config) ->
{ok, Pid} = gun:open("localhost", config(port, Config), #{
transport => tls,
protocols => [http],
http_opts => #{content_handlers => [gun_sse_h, gun_data_h]}
}),
{ok, http} = gun:await_up(Pid),
Ref = gun:get(Pid, "/lone_id", [
{<<"host">>, <<"localhost">>},
{<<"accept">>, <<"text/event-stream">>}
]),
receive
{gun_response, Pid, Ref, nofin, 200, Headers} ->
{_, <<"text/event-stream">>}
= lists:keyfind(<<"content-type">>, 1, Headers),
receive
{gun_sse, Pid, Ref, Event} ->
#{last_event_id := <<"hello">>} = Event,
1 = maps:size(Event),
gun:close(Pid)
after 10000 ->
error(timeout)
end
after 5000 ->
error(timeout)
end.
