rabbitmq-server/deps/rabbit/test/rabbit_direct_reply_to_prop...

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-module(rabbit_direct_reply_to_prop_SUITE).
-compile(export_all).
-include_lib("proper/include/proper.hrl").
-define(ITERATIONS_TO_RUN_UNTIL_CONFIDENT, 10000).
all() ->
[
decode_reply_to_v2
].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_Group, Config) ->
Config.
end_per_group(_Group, _Config) ->
ok.
init_per_testcase(_TestCase, Config) ->
Config.
end_per_testcase(_TestCase, _Config) ->
ok.
%%% Tests %%%
decode_reply_to_v2(Config) ->
rabbit_ct_proper_helpers:run_proper(
fun() -> prop_decode_reply_to(Config) end,
[],
?ITERATIONS_TO_RUN_UNTIL_CONFIDENT).
prop_decode_reply_to(_) ->
?FORALL({Len, Random}, {pos_integer(), binary()},
begin
Key = <<"apple">>,
NodeList = lists:map(
fun(I) -> {I, list_to_atom(integer_to_list(I))} end,
lists:seq(1, Len)
),
[ {Ix, Node} | NoNodeList ] = NodeList,
PidParts = #{node => Node, id => 0, serial => 0, creation => 0},
IxParts = PidParts#{node := rabbit_nodes_common:make("banana", Ix)},
IxPartsEnc = base64:encode(pid_recomposition:to_binary(IxParts)),
IxBin = <<IxPartsEnc/binary, ".", Key/binary>>,
NodeMap = maps:from_list(NodeList),
NoNodeMap = maps:from_list(NoNodeList),
%% There is non-zero chance Random is a valid encoded Pid.
NonB64 = <<0, Random/binary>>,
{ok, pid_recomposition:recompose(PidParts), Key} =:=
rabbit_direct_reply_to:decode_reply_to_v2(IxBin, NodeMap)
andalso {error, target_node_not_found} =:=
rabbit_direct_reply_to:decode_reply_to_v2(IxBin, NoNodeMap)
andalso {error, unrecognized_format} =:=
rabbit_direct_reply_to:decode_reply_to_v2(NonB64, NodeMap)
end).