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xmpp.chapril.org-ejabberd/test/mam_tests.erl
Paweł Chmielowski 5ca59807d9 Fix problem with results of mam queries using rsm with max and before 
Plus add test case for it.
2023-02-03 11:37:54 +01:00

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%%%-------------------------------------------------------------------
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 14 Nov 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2023 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(mam_tests).
%% API
-compile(export_all).
-import(suite, [get_features/1, disconnect/1, my_jid/1, send_recv/2,
wait_for_slave/1, server_jid/1, send/2, get_features/2,
wait_for_master/1, recv_message/1, recv_iq/1, muc_room_jid/1,
muc_jid/1, is_feature_advertised/3, get_event/1, put_event/2]).
-include("suite.hrl").
-define(VERSIONS, [?NS_MAM_TMP, ?NS_MAM_0, ?NS_MAM_1, ?NS_MAM_2]).
%%%===================================================================
%%% API
%%%===================================================================
%%%===================================================================
%%% Single user tests
%%%===================================================================
single_cases() ->
{mam_single, [sequence],
[single_test(feature_enabled),
single_test(get_set_prefs),
single_test(get_form),
single_test(fake_by)]}.
feature_enabled(Config) ->
BareMyJID = jid:remove_resource(my_jid(Config)),
RequiredFeatures = sets:from_list(?VERSIONS),
ServerFeatures = sets:from_list(get_features(Config)),
UserFeatures = sets:from_list(get_features(Config, BareMyJID)),
MUCFeatures = get_features(Config, muc_jid(Config)),
ct:comment("Checking if all MAM server features are enabled"),
true = sets:is_subset(RequiredFeatures, ServerFeatures),
ct:comment("Checking if all MAM user features are enabled"),
true = sets:is_subset(RequiredFeatures, UserFeatures),
ct:comment("Checking if all MAM conference service features are enabled"),
true = lists:member(?NS_MAM_1, MUCFeatures),
true = lists:member(?NS_MAM_2, MUCFeatures),
clean(disconnect(Config)).
fake_by(Config) ->
BareServerJID = server_jid(Config),
FullServerJID = jid:replace_resource(BareServerJID, p1_rand:get_string()),
FullMyJID = my_jid(Config),
BareMyJID = jid:remove_resource(FullMyJID),
Fakes = lists:flatmap(
fun(JID) ->
[#mam_archived{id = p1_rand:get_string(), by = JID},
#stanza_id{id = p1_rand:get_string(), by = JID}]
end, [BareServerJID, FullServerJID, BareMyJID, FullMyJID]),
Body = xmpp:mk_text(<<"body">>),
ForeignJID = jid:make(p1_rand:get_string()),
Archived = #mam_archived{id = p1_rand:get_string(), by = ForeignJID},
StanzaID = #stanza_id{id = p1_rand:get_string(), by = ForeignJID},
#message{body = Body, sub_els = SubEls} =
send_recv(Config, #message{to = FullMyJID,
body = Body,
sub_els = [Archived, StanzaID|Fakes]}),
ct:comment("Checking if only foreign tags present"),
[ForeignJID, ForeignJID] = lists:flatmap(
fun(#mam_archived{by = By}) -> [By];
(#stanza_id{by = By}) -> [By];
(_) -> []
end, SubEls),
clean(disconnect(Config)).
get_set_prefs(Config) ->
Range = [{JID, #mam_prefs{xmlns = NS,
default = Default,
always = Always,
never = Never}} ||
JID <- [undefined, server_jid(Config)],
NS <- ?VERSIONS,
Default <- [always, never, roster],
Always <- [[], [jid:decode(<<"foo@bar.baz">>)]],
Never <- [[], [jid:decode(<<"baz@bar.foo">>)]]],
lists:foreach(
fun({To, Prefs}) ->
NS = Prefs#mam_prefs.xmlns,
#iq{type = result, sub_els = [Prefs]} =
send_recv(Config, #iq{type = set, to = To,
sub_els = [Prefs]}),
#iq{type = result, sub_els = [Prefs]} =
send_recv(Config, #iq{type = get, to = To,
sub_els = [#mam_prefs{xmlns = NS}]})
end, Range),
clean(disconnect(Config)).
get_form(Config) ->
ServerJID = server_jid(Config),
Range = [{JID, NS} || JID <- [undefined, ServerJID],
NS <- ?VERSIONS -- [?NS_MAM_TMP]],
lists:foreach(
fun({To, NS}) ->
#iq{type = result,
sub_els = [#mam_query{xmlns = NS,
xdata = #xdata{} = X}]} =
send_recv(Config, #iq{type = get, to = To,
sub_els = [#mam_query{xmlns = NS}]}),
[NS] = xmpp_util:get_xdata_values(<<"FORM_TYPE">>, X),
true = xmpp_util:has_xdata_var(<<"with">>, X),
true = xmpp_util:has_xdata_var(<<"start">>, X),
true = xmpp_util:has_xdata_var(<<"end">>, X)
end, Range),
clean(disconnect(Config)).
%%%===================================================================
%%% Master-slave tests
%%%===================================================================
master_slave_cases() ->
{mam_master_slave, [sequence],
[master_slave_test(archived_and_stanza_id),
master_slave_test(query_all),
master_slave_test(query_with),
master_slave_test(query_rsm_max),
master_slave_test(query_rsm_after),
master_slave_test(query_rsm_before),
master_slave_test(muc),
master_slave_test(mucsub),
master_slave_test(mucsub_from_muc),
master_slave_test(mucsub_from_muc_non_persistent)]}.
archived_and_stanza_id_master(Config) ->
#presence{} = send_recv(Config, #presence{}),
wait_for_slave(Config),
send_messages(Config, lists:seq(1, 5)),
clean(disconnect(Config)).
archived_and_stanza_id_slave(Config) ->
ok = set_default(Config, always),
#presence{} = send_recv(Config, #presence{}),
wait_for_master(Config),
recv_messages(Config, lists:seq(1, 5)),
clean(disconnect(Config)).
query_all_master(Config) ->
Peer = ?config(peer, Config),
MyJID = my_jid(Config),
ok = set_default(Config, always),
#presence{} = send_recv(Config, #presence{}),
wait_for_slave(Config),
send_messages(Config, lists:seq(1, 5)),
query_all(Config, MyJID, Peer),
clean(disconnect(Config)).
query_all_slave(Config) ->
Peer = ?config(peer, Config),
MyJID = my_jid(Config),
ok = set_default(Config, always),
#presence{} = send_recv(Config, #presence{}),
wait_for_master(Config),
recv_messages(Config, lists:seq(1, 5)),
query_all(Config, Peer, MyJID),
clean(disconnect(Config)).
query_with_master(Config) ->
Peer = ?config(peer, Config),
MyJID = my_jid(Config),
ok = set_default(Config, always),
#presence{} = send_recv(Config, #presence{}),
wait_for_slave(Config),
send_messages(Config, lists:seq(1, 5)),
query_with(Config, MyJID, Peer),
clean(disconnect(Config)).
query_with_slave(Config) ->
Peer = ?config(peer, Config),
MyJID = my_jid(Config),
ok = set_default(Config, always),
#presence{} = send_recv(Config, #presence{}),
wait_for_master(Config),
recv_messages(Config, lists:seq(1, 5)),
query_with(Config, Peer, MyJID),
clean(disconnect(Config)).
query_rsm_max_master(Config) ->
Peer = ?config(peer, Config),
MyJID = my_jid(Config),
ok = set_default(Config, always),
#presence{} = send_recv(Config, #presence{}),
wait_for_slave(Config),
send_messages(Config, lists:seq(1, 5)),
query_rsm_max(Config, MyJID, Peer),
clean(disconnect(Config)).
query_rsm_max_slave(Config) ->
Peer = ?config(peer, Config),
MyJID = my_jid(Config),
ok = set_default(Config, always),
#presence{} = send_recv(Config, #presence{}),
wait_for_master(Config),
recv_messages(Config, lists:seq(1, 5)),
query_rsm_max(Config, Peer, MyJID),
clean(disconnect(Config)).
query_rsm_after_master(Config) ->
Peer = ?config(peer, Config),
MyJID = my_jid(Config),
ok = set_default(Config, always),
#presence{} = send_recv(Config, #presence{}),
wait_for_slave(Config),
send_messages(Config, lists:seq(1, 5)),
query_rsm_after(Config, MyJID, Peer),
clean(disconnect(Config)).
query_rsm_after_slave(Config) ->
Peer = ?config(peer, Config),
MyJID = my_jid(Config),
ok = set_default(Config, always),
#presence{} = send_recv(Config, #presence{}),
wait_for_master(Config),
recv_messages(Config, lists:seq(1, 5)),
query_rsm_after(Config, Peer, MyJID),
clean(disconnect(Config)).
query_rsm_before_master(Config) ->
Peer = ?config(peer, Config),
MyJID = my_jid(Config),
ok = set_default(Config, always),
#presence{} = send_recv(Config, #presence{}),
wait_for_slave(Config),
send_messages(Config, lists:seq(1, 5)),
query_rsm_before(Config, MyJID, Peer),
clean(disconnect(Config)).
query_rsm_before_slave(Config) ->
Peer = ?config(peer, Config),
MyJID = my_jid(Config),
ok = set_default(Config, always),
#presence{} = send_recv(Config, #presence{}),
wait_for_master(Config),
recv_messages(Config, lists:seq(1, 5)),
query_rsm_before(Config, Peer, MyJID),
clean(disconnect(Config)).
muc_master(Config) ->
Room = muc_room_jid(Config),
%% Joining
ok = muc_tests:join_new(Config),
%% MAM feature should not be advertised at this point,
%% because MAM is not enabled so far
false = is_feature_advertised(Config, ?NS_MAM_1, Room),
false = is_feature_advertised(Config, ?NS_MAM_2, Room),
%% Fill in some history
send_messages_to_room(Config, lists:seq(1, 21)),
%% We now should be able to retrieve those via MAM, even though
%% MAM is disabled. However, only last 20 messages should be received.
recv_messages_from_room(Config, lists:seq(2, 21)),
%% Now enable MAM for the conference
%% Retrieve config first
CfgOpts = muc_tests:get_config(Config),
%% Find the MAM field in the config
true = proplists:is_defined(mam, CfgOpts),
%% Enable MAM
[104] = muc_tests:set_config(Config, [{mam, true}]),
%% Check if MAM has been enabled
true = is_feature_advertised(Config, ?NS_MAM_1, Room),
true = is_feature_advertised(Config, ?NS_MAM_2, Room),
%% We now sending some messages again
send_messages_to_room(Config, lists:seq(1, 5)),
%% And retrieve them via MAM again.
recv_messages_from_room(Config, lists:seq(1, 5)),
put_event(Config, disconnect),
muc_tests:leave(Config),
clean(disconnect(Config)).
muc_slave(Config) ->
disconnect = get_event(Config),
clean(disconnect(Config)).
mucsub_master(Config) ->
Room = muc_room_jid(Config),
Peer = ?config(peer, Config),
wait_for_slave(Config),
ct:comment("Joining muc room"),
ok = muc_tests:join_new(Config),
ct:comment("Enabling mam in room"),
CfgOpts = muc_tests:get_config(Config),
%% Find the MAM field in the config
?match(true, proplists:is_defined(mam, CfgOpts)),
?match(true, proplists:is_defined(allow_subscription, CfgOpts)),
%% Enable MAM
[104] = muc_tests:set_config(Config, [{mam, true}, {allow_subscription, true}]),
ct:comment("Subscribing peer to room"),
?send_recv(#iq{to = Room, type = set, sub_els = [
#muc_subscribe{jid = Peer, nick = <<"peer">>,
events = [?NS_MUCSUB_NODES_MESSAGES]}
]}, #iq{type = result}),
ct:comment("Sending messages to room"),
send_messages_to_room(Config, lists:seq(1, 5)),
ct:comment("Retrieving messages from room mam storage"),
recv_messages_from_room(Config, lists:seq(1, 5)),
ct:comment("Cleaning up"),
put_event(Config, ready),
ready = get_event(Config),
muc_tests:leave(Config),
clean(disconnect(Config)).
mucsub_slave(Config) ->
Room = muc_room_jid(Config),
MyJID = my_jid(Config),
MyJIDBare = jid:remove_resource(MyJID),
ok = set_default(Config, always),
send_recv(Config, #presence{}),
wait_for_master(Config),
ct:comment("Receiving mucsub events"),
lists:foreach(
fun(N) ->
Body = xmpp:mk_text(integer_to_binary(N)),
Msg = ?match(#message{from = Room, type = normal} = Msg, recv_message(Config), Msg),
PS = ?match(#ps_event{items = #ps_items{node = ?NS_MUCSUB_NODES_MESSAGES, items = [
#ps_item{} = PS
]}}, xmpp:get_subtag(Msg, #ps_event{}), PS),
?match(#message{type = groupchat, body = Body}, xmpp:get_subtag(PS, #message{}))
end, lists:seq(1, 5)),
ct:comment("Retrieving personal mam archive"),
QID = p1_rand:get_string(),
I = send(Config, #iq{type = set,
sub_els = [#mam_query{xmlns = ?NS_MAM_2, id = QID}]}),
lists:foreach(
fun(N) ->
Body = xmpp:mk_text(integer_to_binary(N)),
Forw = ?match(#message{
to = MyJID, from = MyJIDBare,
sub_els = [#mam_result{
xmlns = ?NS_MAM_2,
queryid = QID,
sub_els = [#forwarded{
delay = #delay{}} = Forw]}]},
recv_message(Config), Forw),
IMsg = ?match(#message{
to = MyJIDBare, from = Room} = IMsg, xmpp:get_subtag(Forw, #message{}), IMsg),
PS = ?match(#ps_event{items = #ps_items{node = ?NS_MUCSUB_NODES_MESSAGES, items = [
#ps_item{} = PS
]}}, xmpp:get_subtag(IMsg, #ps_event{}), PS),
?match(#message{type = groupchat, body = Body}, xmpp:get_subtag(PS, #message{}))
end, lists:seq(1, 5)),
RSM = ?match(#iq{from = MyJIDBare, id = I, type = result,
sub_els = [#mam_fin{xmlns = ?NS_MAM_2,
rsm = RSM,
complete = true}]}, recv_iq(Config), RSM),
match_rsm_count(RSM, 5),
% Wait for master exit
ready = get_event(Config),
% Unsubscribe yourself
?send_recv(#iq{to = Room, type = set, sub_els = [
#muc_unsubscribe{}
]}, #iq{type = result}),
put_event(Config, ready),
clean(disconnect(Config)).
mucsub_from_muc_master(Config) ->
mucsub_master(Config).
mucsub_from_muc_slave(Config) ->
Server = ?config(server, Config),
gen_mod:update_module(Server, mod_mam, #{user_mucsub_from_muc_archive => true}),
Config2 = mucsub_slave(Config),
gen_mod:update_module(Server, mod_mam, #{user_mucsub_from_muc_archive => false}),
Config2.
mucsub_from_muc_non_persistent_master(Config) ->
Config1 = lists:keystore(persistent_room, 1, Config, {persistent_room, false}),
Config2 = mucsub_from_muc_master(Config1),
lists:keydelete(persistent_room, 1, Config2).
mucsub_from_muc_non_persistent_slave(Config) ->
Config1 = lists:keystore(persistent_room, 1, Config, {persistent_room, false}),
Config2 = mucsub_from_muc_slave(Config1),
lists:keydelete(persistent_room, 1, Config2).
%%%===================================================================
%%% Internal functions
%%%===================================================================
single_test(T) ->
list_to_atom("mam_" ++ atom_to_list(T)).
master_slave_test(T) ->
{list_to_atom("mam_" ++ atom_to_list(T)), [parallel],
[list_to_atom("mam_" ++ atom_to_list(T) ++ "_master"),
list_to_atom("mam_" ++ atom_to_list(T) ++ "_slave")]}.
clean(Config) ->
{U, S, _} = jid:tolower(my_jid(Config)),
mod_mam:remove_user(U, S),
Config.
set_default(Config, Default) ->
lists:foreach(
fun(NS) ->
ct:comment("Setting default preferences of '~s' to '~s'",
[NS, Default]),
#iq{type = result,
sub_els = [#mam_prefs{xmlns = NS, default = Default}]} =
send_recv(Config, #iq{type = set,
sub_els = [#mam_prefs{xmlns = NS,
default = Default}]})
end, ?VERSIONS).
send_messages(Config, Range) ->
Peer = ?config(peer, Config),
lists:foreach(
fun(N) ->
Body = xmpp:mk_text(integer_to_binary(N)),
send(Config, #message{to = Peer, body = Body})
end, Range).
recv_messages(Config, Range) ->
Peer = ?config(peer, Config),
lists:foreach(
fun(N) ->
Body = xmpp:mk_text(integer_to_binary(N)),
#message{from = Peer, body = Body} = Msg =
recv_message(Config),
#mam_archived{by = BareMyJID} =
xmpp:get_subtag(Msg, #mam_archived{}),
#stanza_id{by = BareMyJID} =
xmpp:get_subtag(Msg, #stanza_id{})
end, Range).
recv_archived_messages(Config, From, To, QID, Range) ->
MyJID = my_jid(Config),
lists:foreach(
fun(N) ->
ct:comment("Retrieving ~pth message in range ~p",
[N, Range]),
Body = xmpp:mk_text(integer_to_binary(N)),
#message{to = MyJID,
sub_els =
[#mam_result{
queryid = QID,
sub_els =
[#forwarded{
delay = #delay{},
sub_els = [El]}]}]} = recv_message(Config),
#message{from = From, to = To,
body = Body} = xmpp:decode(El)
end, Range).
maybe_recv_iq_result(Config, ?NS_MAM_0, I) ->
#iq{type = result, id = I} = recv_iq(Config);
maybe_recv_iq_result(_, _, _) ->
ok.
query_iq_type(?NS_MAM_TMP) -> get;
query_iq_type(_) -> set.
send_query(Config, #mam_query{xmlns = NS} = Query) ->
Type = query_iq_type(NS),
I = send(Config, #iq{type = Type, sub_els = [Query]}),
maybe_recv_iq_result(Config, NS, I),
I.
recv_fin(Config, I, QueryID, NS, IsComplete) when NS == ?NS_MAM_1; NS == ?NS_MAM_2 ->
ct:comment("Receiving fin iq for namespace '~s'", [NS]),
#iq{type = result, id = I,
sub_els = [#mam_fin{xmlns = NS,
complete = Complete,
rsm = RSM}]} = recv_iq(Config),
ct:comment("Checking if complete is ~s", [IsComplete]),
?match(IsComplete, Complete),
RSM;
recv_fin(Config, I, QueryID, ?NS_MAM_TMP = NS, _IsComplete) ->
ct:comment("Receiving fin iq for namespace '~s'", [NS]),
#iq{type = result, id = I,
sub_els = [#mam_query{xmlns = NS,
rsm = RSM,
id = QueryID}]} = recv_iq(Config),
RSM;
recv_fin(Config, _, QueryID, ?NS_MAM_0 = NS, IsComplete) ->
ct:comment("Receiving fin message for namespace '~s'", [NS]),
#message{} = FinMsg = recv_message(Config),
#mam_fin{xmlns = NS,
id = QueryID,
complete = Complete,
rsm = RSM} = xmpp:get_subtag(FinMsg, #mam_fin{xmlns = NS}),
ct:comment("Checking if complete is ~s", [IsComplete]),
?match(IsComplete, Complete),
RSM.
send_messages_to_room(Config, Range) ->
MyNick = ?config(master_nick, Config),
Room = muc_room_jid(Config),
MyNickJID = jid:replace_resource(Room, MyNick),
lists:foreach(
fun(N) ->
Body = xmpp:mk_text(integer_to_binary(N)),
#message{from = MyNickJID,
type = groupchat,
body = Body} =
send_recv(Config, #message{to = Room, body = Body,
type = groupchat})
end, Range).
recv_messages_from_room(Config, Range) ->
MyNick = ?config(master_nick, Config),
Room = muc_room_jid(Config),
MyNickJID = jid:replace_resource(Room, MyNick),
MyJID = my_jid(Config),
QID = p1_rand:get_string(),
I = send(Config, #iq{type = set, to = Room,
sub_els = [#mam_query{xmlns = ?NS_MAM_2, id = QID}]}),
lists:foreach(
fun(N) ->
Body = xmpp:mk_text(integer_to_binary(N)),
#message{
to = MyJID, from = Room,
sub_els =
[#mam_result{
xmlns = ?NS_MAM_2,
queryid = QID,
sub_els =
[#forwarded{
delay = #delay{},
sub_els = [El]}]}]} = recv_message(Config),
#message{from = MyNickJID,
type = groupchat,
body = Body} = xmpp:decode(El)
end, Range),
#iq{from = Room, id = I, type = result,
sub_els = [#mam_fin{xmlns = ?NS_MAM_2,
rsm = RSM,
complete = true}]} = recv_iq(Config),
match_rsm_count(RSM, length(Range)).
query_all(Config, From, To) ->
lists:foreach(
fun(NS) ->
query_all(Config, From, To, NS)
end, ?VERSIONS).
query_all(Config, From, To, NS) ->
QID = p1_rand:get_string(),
Range = lists:seq(1, 5),
ID = send_query(Config, #mam_query{xmlns = NS, id = QID}),
recv_archived_messages(Config, From, To, QID, Range),
RSM = recv_fin(Config, ID, QID, NS, _Complete = true),
match_rsm_count(RSM, 5).
query_with(Config, From, To) ->
lists:foreach(
fun(NS) ->
query_with(Config, From, To, NS)
end, ?VERSIONS).
query_with(Config, From, To, NS) ->
Peer = ?config(peer, Config),
BarePeer = jid:remove_resource(Peer),
QID = p1_rand:get_string(),
Range = lists:seq(1, 5),
lists:foreach(
fun(JID) ->
ct:comment("Sending query with jid ~s", [jid:encode(JID)]),
Query = if NS == ?NS_MAM_TMP ->
#mam_query{xmlns = NS, with = JID, id = QID};
true ->
Fs = mam_query:encode([{with, JID}]),
#mam_query{xmlns = NS, id = QID,
xdata = #xdata{type = submit,
fields = Fs}}
end,
ID = send_query(Config, Query),
recv_archived_messages(Config, From, To, QID, Range),
RSM = recv_fin(Config, ID, QID, NS, true),
match_rsm_count(RSM, 5)
end, [Peer, BarePeer]).
query_rsm_max(Config, From, To) ->
lists:foreach(
fun(NS) ->
query_rsm_max(Config, From, To, NS)
end, ?VERSIONS).
query_rsm_max(Config, From, To, NS) ->
lists:foreach(
fun(Max) ->
QID = p1_rand:get_string(),
Range = lists:sublist(lists:seq(1, Max), 5),
Query = #mam_query{xmlns = NS, id = QID, rsm = #rsm_set{max = Max}},
ID = send_query(Config, Query),
recv_archived_messages(Config, From, To, QID, Range),
IsComplete = Max >= 5,
RSM = recv_fin(Config, ID, QID, NS, IsComplete),
match_rsm_count(RSM, 5)
end, lists:seq(0, 6)).
query_rsm_after(Config, From, To) ->
lists:foreach(
fun(NS) ->
query_rsm_after(Config, From, To, NS)
end, ?VERSIONS).
query_rsm_after(Config, From, To, NS) ->
lists:foldl(
fun(Range, #rsm_first{data = After}) ->
ct:comment("Retrieving ~p messages after '~s'",
[length(Range), After]),
QID = p1_rand:get_string(),
Query = #mam_query{xmlns = NS, id = QID,
rsm = #rsm_set{'after' = After}},
ID = send_query(Config, Query),
recv_archived_messages(Config, From, To, QID, Range),
RSM = #rsm_set{first = First} =
recv_fin(Config, ID, QID, NS, true),
match_rsm_count(RSM, 5),
First
end, #rsm_first{data = undefined},
[lists:seq(N, 5) || N <- lists:seq(1, 6)]).
query_rsm_before(Config, From, To) ->
lists:foreach(
fun(NS) ->
query_rsm_before(Config, From, To, NS),
query_last_message(Config, From, To, NS)
end, ?VERSIONS).
query_rsm_before(Config, From, To, NS) ->
lists:foldl(
fun(Range, Before) ->
ct:comment("Retrieving ~p messages before '~s'",
[length(Range), Before]),
QID = p1_rand:get_string(),
Query = #mam_query{xmlns = NS, id = QID,
rsm = #rsm_set{before = Before}},
ID = send_query(Config, Query),
recv_archived_messages(Config, From, To, QID, Range),
RSM = #rsm_set{last = Last} =
recv_fin(Config, ID, QID, NS, true),
match_rsm_count(RSM, 5),
Last
end, <<"">>, lists:reverse([lists:seq(1, N) || N <- lists:seq(0, 5)])).
query_last_message(Config, From, To, NS) ->
ct:comment("Retrieving last message", []),
QID = p1_rand:get_string(),
Query = #mam_query{xmlns = NS, id = QID,
rsm = #rsm_set{before = <<>>, max = 1}},
ID = send_query(Config, Query),
recv_archived_messages(Config, From, To, QID, [5]),
RSM = ?match(#rsm_set{} = RSM, recv_fin(Config, ID, QID, NS, false), RSM),
match_rsm_count(RSM, 5).
match_rsm_count(#rsm_set{count = undefined}, _) ->
%% The backend doesn't support counting
ok;
match_rsm_count(#rsm_set{count = Count1}, Count2) ->
ct:comment("Checking if RSM 'count' is ~p", [Count2]),
?match(Count2, Count1).
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