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%% The contents of this file are subject to the Mozilla Public License
%% Version 1.1 (the "License"); you may not use this file except in
%% compliance with the License. You may obtain a copy of the License
%% at http://www.mozilla.org/MPL/
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and
%% limitations under the License.
%%
%% The Original Code is RabbitMQ Federation.
%%
%% The Initial Developer of the Original Code is GoPivotal, Inc.
%% Copyright (c) 2007-2014 GoPivotal, Inc. All rights reserved.
%%
-module(rabbit_federation_test_util).
-include("rabbit_federation.hrl").
-include_lib("eunit/include/eunit.hrl").
-include_lib("amqp_client/include/amqp_client.hrl").
-compile(export_all).
-import(rabbit_misc, [pget/2]).
expect(Ch, Q, Fun) when is_function(Fun) ->
amqp_channel:subscribe(Ch, #'basic.consume'{queue = Q,
no_ack = true}, self()),
receive
#'basic.consume_ok'{consumer_tag = CTag} -> ok
end,
Fun(),
amqp_channel:call(Ch, #'basic.cancel'{consumer_tag = CTag});
expect(Ch, Q, Payloads) ->
expect(Ch, Q, fun() -> expect(Payloads) end).
expect([]) ->
ok;
expect(Payloads) ->
receive
{#'basic.deliver'{}, #amqp_msg{payload = Payload}} ->
case lists:member(Payload, Payloads) of
true -> expect(Payloads -- [Payload]);
false -> throw({expected, Payloads, actual, Payload})
end
end.
expect_empty(Ch, Q) ->
?assertMatch(#'basic.get_empty'{},
amqp_channel:call(Ch, #'basic.get'{ queue = Q })).
set_upstream(Cfg, Name, URI) ->
set_upstream(Cfg, Name, URI, []).
set_upstream(Cfg, Name, URI, Extra) ->
rabbit_test_util:set_param(Cfg, <<"federation-upstream">>, Name,
[{<<"uri">>, URI} | Extra]).
clear_upstream(Cfg, Name) ->
rabbit_test_util:clear_param(Cfg, <<"federation-upstream">>, Name).
set_upstream_set(Cfg, Name, Set) ->
rabbit_test_util:set_param(
Cfg, <<"federation-upstream-set">>, Name,
[[{<<"upstream">>, UStream} | Extra] || {UStream, Extra} <- Set]).
set_policy(Cfg, Name, Pattern, UpstreamSet) ->
rabbit_test_util:set_policy(Cfg, Name, Pattern, <<"all">>,
[{<<"federation-upstream-set">>, UpstreamSet}]).
set_policy1(Cfg, Name, Pattern, Upstream) ->
rabbit_test_util:set_policy(Cfg, Name, Pattern, <<"all">>,
[{<<"federation-upstream">>, Upstream}]).
clear_policy(Cfg, Name) ->
rabbit_test_util:clear_policy(Cfg, Name).
set_policy_upstream(Cfg, Pattern, URI, Extra) ->
set_policy_upstreams(Cfg, Pattern, [{URI, Extra}]).
set_policy_upstreams(Cfg, Pattern, URIExtras) ->
put(upstream_num, 1),
[set_upstream(Cfg, gen_upstream_name(), URI, Extra)
|| {URI, Extra} <- URIExtras],
set_policy(Cfg, Pattern, Pattern, <<"all">>).
gen_upstream_name() ->
list_to_binary("upstream-" ++ integer_to_list(next_upstream_num())).
next_upstream_num() ->
R = get(upstream_num) + 1,
put (upstream_num, R),
R.
%% Make sure that even though multiple nodes are in a single
%% distributed system, we still keep all our process groups separate.
disambiguate(Rest) ->
[Rest,
fun (Cfgs) ->
[rpc:call(pget(node, Cfg), application, set_env,
[rabbitmq_federation, pgroup_name_cluster_id, true])
|| Cfg <- Cfgs],
Cfgs
end].
no_plugins(Cfg) ->
[{K, case K of
plugins -> none;
_ -> V
end} || {K, V} <- Cfg].
%% "fake" cfg to let us use various utility functions when running
%% in-broker tests
single_cfg() ->
[{nodename, 'rabbit-test'},
{node, rabbit_nodes:make('rabbit-test')},
{port, 5672}].
%%----------------------------------------------------------------------------
assert_status(XorQs, Names) ->
Links = lists:append([links(XorQ) || XorQ <- XorQs]),
Remaining = lists:foldl(fun (Link, Status) ->
assert_link_status(Link, Status, Names)
end, rabbit_federation_status:status(), Links),
?assertEqual([], Remaining),
ok.
assert_link_status({DXorQNameBin, UpstreamName, UXorQNameBin}, Status,
{TypeName, UpstreamTypeName}) ->
{This, Rest} = lists:partition(
fun(St) ->
pget(upstream, St) =:= UpstreamName andalso
pget(TypeName, St) =:= DXorQNameBin andalso
pget(UpstreamTypeName, St) =:= UXorQNameBin
end, Status),
?assertMatch([_], This),
Rest.
links(#'exchange.declare'{exchange = Name}) ->
case rabbit_policy:get(<<"federation-upstream-set">>, xr(Name)) of
undefined -> [];
Set -> X = #exchange{name = xr(Name)},
[{Name, U#upstream.name, U#upstream.exchange_name} ||
U <- rabbit_federation_upstream:from_set(Set, X)]
end;
links(#'queue.declare'{queue = Name}) ->
case rabbit_policy:get(<<"federation-upstream-set">>, qr(Name)) of
undefined -> [];
Set -> Q = #amqqueue{name = qr(Name)},
[{Name, U#upstream.name, U#upstream.queue_name} ||
U <- rabbit_federation_upstream:from_set(Set, Q)]
end.
xr(Name) -> rabbit_misc:r(<<"/">>, exchange, Name).
qr(Name) -> rabbit_misc:r(<<"/">>, queue, Name).
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