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-module(erlzmq_test).
-include_lib("eunit/include/eunit.hrl").
-export([worker/2]).
hwm_test() ->
{ok, C} = erlzmq:context(),
{ok, S1} = erlzmq:socket(C, [pull, {active, false}]),
{ok, S2} = erlzmq:socket(C, [push, {active, false}]),
ok = erlzmq:setsockopt(S2, linger, 0),
ok = erlzmq:setsockopt(S2, hwm, 5),
ok = erlzmq:bind(S1, "tcp://127.0.0.1:5858"),
ok = erlzmq:connect(S2, "tcp://127.0.0.1:5858"),
ok = hwm_loop(10, S2),
?assertMatch({ok, <<"test">>}, erlzmq:recv(S1)),
?assertMatch(ok, erlzmq:send(S2, <<"test">>)),
ok = erlzmq:close(S1),
ok = erlzmq:close(S2),
ok = erlzmq:term(C).
hwm_loop(0, _S) ->
ok;
hwm_loop(N, S) when N > 5 ->
?assertMatch(ok, erlzmq:send(S, <<"test">>, [noblock])),
hwm_loop(N-1, S);
hwm_loop(N, S) ->
?assertMatch({error, _} ,erlzmq:send(S, <<"test">>, [noblock])),
hwm_loop(N-1, S).
pair_inproc_test() ->
basic_tests("inproc://tester", pair, pair, active),
basic_tests("inproc://tester", pair, pair, passive).
pair_ipc_test() ->
basic_tests("ipc:///tmp/tester", pair, pair, active),
basic_tests("ipc:///tmp/tester", pair, pair, passive).
pair_tcp_test() ->
basic_tests("tcp://127.0.0.1:5554", pair, pair, active),
basic_tests("tcp://127.0.0.1:5555", pair, pair, passive).
reqrep_inproc_test() ->
basic_tests("inproc://test", req, rep, active),
basic_tests("inproc://test", req, rep, passive).
reqrep_ipc_test() ->
basic_tests("ipc:///tmp/tester", req, rep, active),
basic_tests("ipc:///tmp/tester", req, rep, passive).
reqrep_tcp_test() ->
basic_tests("tcp://127.0.0.1:5556", req, rep, active),
basic_tests("tcp://127.0.0.1:5557", req, rep, passive).
shutdown_stress_test() ->
?assertMatch(ok, shutdown_stress_loop(10)).
version_test() ->
?assertEqual({2, 1, 7}, erlzmq:version()).
shutdown_stress_loop(0) ->
ok;
shutdown_stress_loop(N) ->
{ok, C} = erlzmq:context(7),
{ok, S1} = erlzmq:socket(C, [rep, {active, false}]),
?assertMatch(ok, shutdown_stress_worker_loop(100, C)),
?assertMatch(ok, join_procs(100)),
?assertMatch(ok, erlzmq:close(S1)),
?assertMatch(ok, erlzmq:term(C)),
shutdown_stress_loop(N-1).
shutdown_no_blocking_test() ->
{ok, C} = erlzmq:context(),
{ok, S} = erlzmq:socket(C, [pub, {active, false}]),
erlzmq:close(S),
?assertEqual(ok, erlzmq:term(C, 500)).
shutdown_blocking_test() ->
{ok, C} = erlzmq:context(),
{ok, _S} = erlzmq:socket(C, [pub, {active, false}]),
?assertMatch({error, {timeout, _}}, erlzmq:term(C, 0)).
shutdown_blocking_unblocking_test() ->
{ok, C} = erlzmq:context(),
{ok, S} = erlzmq:socket(C, [pub, {active, false}]),
V = erlzmq:term(C, 500),
?assertMatch({error, {timeout, _}}, V),
{error, {timeout, Ref}} = V,
erlzmq:close(S),
receive
{Ref, ok} ->
ok
end.
join_procs(0) ->
ok;
join_procs(N) ->
receive
proc_end ->
join_procs(N-1)
after
2000 ->
throw(stuck)
end.
shutdown_stress_worker_loop(0, _) ->
ok;
shutdown_stress_worker_loop(N, C) ->
{ok, S2} = erlzmq:socket(C, [sub, {active, false}]),
spawn(?MODULE, worker, [self(), S2]),
shutdown_stress_worker_loop(N-1, C).
worker(Pid, S) ->
?assertMatch(ok, erlzmq:connect(S, "tcp://127.0.0.1:5558")),
?assertMatch(ok, erlzmq:close(S)),
Pid ! proc_end.
create_bound_pair(Ctx, Type1, Type2, Mode, Transport) ->
Active = if
Mode =:= active ->
true;
Mode =:= passive ->
false
end,
{ok, S1} = erlzmq:socket(Ctx, [Type1, {active, Active}]),
{ok, S2} = erlzmq:socket(Ctx, [Type2, {active, Active}]),
ok = erlzmq:bind(S1, Transport),
ok = erlzmq:connect(S2, Transport),
{S1, S2}.
ping_pong({S1, S2}, Msg, active) ->
ok = erlzmq:send(S1, Msg, [sndmore]),
ok = erlzmq:send(S1, Msg),
receive
{zmq, S2, Msg, [rcvmore]} ->
ok
after
1000 ->
?assertMatch({ok, Msg}, timeout)
end,
receive
{zmq, S2, Msg, []} ->
ok
after
1000 ->
?assertMatch({ok, Msg}, timeout)
end,
ok = erlzmq:send(S2, Msg),
receive
{zmq, S1, Msg, []} ->
ok
after
1000 ->
?assertMatch({ok, Msg}, timeout)
end,
ok = erlzmq:send(S1, Msg),
receive
{zmq, S2, Msg, []} ->
ok
after
1000 ->
?assertMatch({ok, Msg}, timeout)
end,
ok = erlzmq:send(S2, Msg),
receive
{zmq, S1, Msg, []} ->
ok
after
1000 ->
?assertMatch({ok, Msg}, timeout)
end,
ok;
ping_pong({S1, S2}, Msg, passive) ->
ok = erlzmq:send(S1, Msg),
?assertMatch({ok, Msg}, erlzmq:recv(S2)),
ok = erlzmq:send(S2, Msg),
?assertMatch({ok, Msg}, erlzmq:recv(S1)),
ok = erlzmq:send(S1, Msg, [sndmore]),
ok = erlzmq:send(S1, Msg),
?assertMatch({ok, Msg}, erlzmq:recv(S2)),
?assertMatch({ok, Msg}, erlzmq:recv(S2)),
ok.
basic_tests(Transport, Type1, Type2, Mode) ->
{ok, C} = erlzmq:context(1),
{S1, S2} = create_bound_pair(C, Type1, Type2, Mode, Transport),
ping_pong({S1, S2}, <<"XXX">>, Mode),
ok = erlzmq:close(S1),
ok = erlzmq:close(S2),
ok = erlzmq:term(C).
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