%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% 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.
%%
%% %CopyrightEnd%
%%
%%%----------------------------------------------------------------
%%% Kernel application test suite.
%%%-----------------------------------------------------------------
-module(kernel_SUITE).
-include_lib("test_server/include/test_server.hrl").
% Default timetrap timeout (set in init_per_testcase).
-define(default_timeout, ?t:minutes(1)).
% Test server specific exports
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2]).
-export([init_per_testcase/2, end_per_testcase/2]).
% Test cases must be exported.
-export([app_test/1, appup_test/1]).
%%
%% all/1
%%
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[app_test, appup_test].
groups() ->
[].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
init_per_testcase(_Case, Config) ->
?line Dog=test_server:timetrap(?default_timeout),
[{watchdog, Dog}|Config].
end_per_testcase(_Case, Config) ->
Dog=?config(watchdog, Config),
test_server:timetrap_cancel(Dog),
ok.
%
% Test cases starts here.
%
app_test(doc) ->
["Tests the applications consistency."];
app_test(suite) ->
[];
app_test(Config) when is_list(Config) ->
?line ok=?t:app_test(kernel),
ok.
%% Test that appup allows upgrade from/downgrade to a maximum of two
%% major releases back.
appup_test(_Config) ->
do_appup_tests(create_test_vsns()).
do_appup_tests({[],[]}) ->
{skip,"no previous releases available"};
do_appup_tests({OkVsns,NokVsns}) ->
application:load(kernel),
{_,_,Vsn} = lists:keyfind(kernel,1,application:loaded_applications()),
AppupFile = filename:join([code:lib_dir(kernel),ebin,"kernel.appup"]),
{ok,[{Vsn,UpFrom,DownTo}=AppupScript]} = file:consult(AppupFile),
ct:log("~p~n",[AppupScript]),
ct:log("Testing ok versions: ~p~n",[OkVsns]),
check_appup(OkVsns,UpFrom,{ok,[restart_new_emulator]}),
check_appup(OkVsns,DownTo,{ok,[restart_new_emulator]}),
ct:log("Testing not ok versions: ~p~n",[NokVsns]),
check_appup(NokVsns,UpFrom,error),
check_appup(NokVsns,DownTo,error),
ok.
create_test_vsns() ->
This = erlang:system_info(otp_release),
FirstMajor = previous_major(This),
SecondMajor = previous_major(FirstMajor),
ThirdMajor = previous_major(SecondMajor),
Ok = kernel_vsn([FirstMajor,SecondMajor]),
Nok0 = kernel_vsn([ThirdMajor]),
Nok = case Ok of
[Ok1|_] ->
[Ok1 ++ ",1" | Nok0]; % illegal
_ ->
Nok0
end,
{Ok,Nok}.
previous_major("17") ->
"r16";
previous_major("r"++Rel) ->
"r"++previous_major(Rel);
previous_major(Rel) ->
integer_to_list(list_to_integer(Rel)-1).
kernel_vsn([R|Rs]) ->
case test_server:is_release_available(R) of
true ->
{ok,N} = test_server:start_node(prevrel,peer,[{erl,[{release,R}]}]),
As = rpc:call(N,application,which_applications,[]),
{_,_,KV} = lists:keyfind(kernel,1,As),
test_server:stop_node(N),
[KV|kernel_vsn(Rs)];
false ->
kernel_vsn(Rs)
end;
kernel_vsn([]) ->
[].
check_appup([Vsn|Vsns],Instrs,Expected) ->
case systools_relup:appup_search_for_version(Vsn, Instrs) of
Expected -> check_appup(Vsns,Instrs,Expected);
Other -> ct:fail({unexpected_result_for_vsn,Vsn,Other})
end;
check_appup([],_,_) ->
ok.
