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%% Copyright (c) 2017, 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(gun_SUITE).
-compile(export_all).
-import(ct_helper, [doc/1]).
all() ->
ct_helper:all(?MODULE).
connect_timeout(_) ->
doc("Ensure an integer value for connect_timeout is accepted."),
{ok, Pid} = gun:open("localhost", 12345, #{connect_timeout => 1000, retry => 0}),
Ref = monitor(process, Pid),
receive
{'DOWN', Ref, process, Pid, {gone, _}} ->
ok
after 5000 ->
error(timeout)
end.
connect_timeout_infinity(_) ->
doc("Ensure infinity for connect_timeout is accepted."),
{ok, Pid} = gun:open("localhost", 12345, #{connect_timeout => infinity, retry => 0}),
Ref = monitor(process, Pid),
receive
{'DOWN', Ref, process, Pid, {gone, _}} ->
ok
after 5000 ->
error(timeout)
end.
detect_owner_gone(_) ->
Self = self(),
spawn(fun() ->
{ok, ConnPid} = gun:open("google.com", 80),
Self ! {conn, ConnPid},
gun:await_up(ConnPid)
end),
Pid = receive
{conn, C} ->
C
after 1000 ->
error(timeout)
end,
Ref = monitor(process, Pid),
receive
{'DOWN', Ref, process, Pid, {owner_gone, _}} ->
ok
after 1000 ->
true = erlang:is_process_alive(Pid),
error(timeout)
end.
gone_reason(_) ->
doc("The last connection failure must be propagated."),
{ok, Pid} = gun:open("localhost", 12345, #{retry => 0}),
Ref = monitor(process, Pid),
receive
{'DOWN', Ref, process, Pid, {gone, econnrefused}} ->
ok
after 200 ->
error(timeout)
end.
reply_to(_) ->
doc("The reply_to option allows using a separate process for requests."),
do_reply_to(http),
do_reply_to(http2).
do_reply_to(Protocol) ->
Self = self(),
{ok, Pid} = gun:open("google.com", 443, #{protocols => [Protocol]}),
{ok, Protocol} = gun:await_up(Pid),
ReplyTo = spawn(fun() ->
receive Ref ->
Response = gun:await(Pid, Ref),
Self ! Response
after 1000 ->
error(timeout)
end
end),
Ref = gun:get(Pid, "/", [{<<"host">>, <<"google.com">>}], #{reply_to => ReplyTo}),
ReplyTo ! Ref,
receive
{response, _, _, _} ->
ok
after 1000 ->
error(timeout)
end.
retry_0(_) ->
doc("Ensure Gun gives up immediately with retry=0."),
{ok, Pid} = gun:open("localhost", 12345, #{retry => 0, retry_timeout => 500}),
Ref = monitor(process, Pid),
receive
{'DOWN', Ref, process, Pid, {gone, _}} ->
ok
after 200 ->
error(timeout)
end.
retry_1(_) ->
doc("Ensure Gun gives up with retry=1."),
{ok, Pid} = gun:open("localhost", 12345, #{retry => 1, retry_timeout => 500}),
Ref = monitor(process, Pid),
receive
{'DOWN', Ref, process, Pid, {gone, _}} ->
ok
after 700 ->
error(timeout)
end.
retry_timeout(_) ->
doc("Ensure the retry_timeout value is enforced."),
{ok, Pid} = gun:open("localhost", 12345, #{retry => 1, retry_timeout => 1000}),
Ref = monitor(process, Pid),
receive
{'DOWN', Ref, process, Pid, {gone, _}} ->
error(gone_too_early)
after 800 ->
ok
end,
receive
{'DOWN', Ref, process, Pid, {gone, _}} ->
ok
after 400 ->
error(gone_too_late)
end.
transform_header_name(_) ->
doc("The reply_to option allows using a separate process for requests."),
{ok, Pid} = gun:open("google.com", 443, #{
protocols => [http],
http_opts => #{
transform_header_name => fun(<<"host">>) -> <<"HOST">>; (N) -> N end
}
}),
{ok, http} = gun:await_up(Pid),
Ref = gun:get(Pid, "/", [{<<"host">>, <<"google.com">>}]),
{response, _, _, _} = gun:await(Pid, Ref),
ok.
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