<commit_before>%%
%% %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%
%%
%%%----------------------------------------------------------------
%%% Purpose:Stdlib application test suite.
%%%-----------------------------------------------------------------
-module(stdlib_SUITE).
-include_lib("test_server/include/test_server.hrl").


% 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) ->
    Config.
end_per_testcase(_Case, _Config) ->
    ok.

%
% Test cases starts here.
%
app_test(suite) ->
    [];
app_test(doc) ->
    ["Application consistency test."];
app_test(Config) when is_list(Config) ->
    ?t:app_test(stdlib),
    ok.

%% Test that appup allows upgrade from/downgrade to a maximum of one
%% major release back.
appup_test(_Config) ->
    appup_tests(stdlib,create_test_vsns(stdlib)).

appup_tests(_App,{[],[]}) ->
    {skip,"no previous releases available"};
appup_tests(App,{OkVsns,NokVsns}) ->
    application:load(App),
    {_,_,Vsn} = lists:keyfind(App,1,application:loaded_applications()),
    AppupFileName = atom_to_list(App) ++ ".appup",
    AppupFile = filename:join([code:lib_dir(App),ebin,AppupFileName]),
    {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(App) ->
    ThisMajor = erlang:system_info(otp_release),
    FirstMajor = previous_major(ThisMajor),
    SecondMajor = previous_major(FirstMajor),
    Ok = app_vsn(App,[ThisMajor,FirstMajor]),
    Nok0 = app_vsn(App,[SecondMajor]),
    Nok = case Ok of
	       [Ok1|_] ->
		   [Ok1 ++ ",1" | Nok0]; % illegal
	       _ ->
		   Nok0
	   end,
    {Ok,Nok}.

previous_major("17") ->
    "r16b";
previous_major("r16b") ->
    "r15b";
previous_major(Rel) ->
    integer_to_list(list_to_integer(Rel)-1).

app_vsn(App,[R|Rs]) ->
    OldRel =
	case test_server:is_release_available(R) of
	    true ->
		{release,R};
	    false ->
		case ct:get_config({otp_releases,list_to_atom(R)}) of
		    undefined ->
			false;
		    Prog0 ->
			case os:find_executable(Prog0) of
			    false ->
				false;
			    Prog ->
				{prog,Prog}
			end
		end
	end,
    case OldRel of
	false ->
	    app_vsn(App,Rs);
	_ ->
	    {ok,N} = test_server:start_node(prevrel,peer,[{erl,[OldRel]}]),
	    _ = rpc:call(N,application,load,[App]),
	    As = rpc:call(N,application,loaded_applications,[]),
	    {_,_,V} = lists:keyfind(App,1,As),
	    test_server:stop_node(N),
	    [V|app_vsn(App,Rs)]
    end;
app_vsn(_App,[]) ->
    [].

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.<commit_msg>Add upgrade test in stdlib_SUITE<commit_after>%%
%% %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%
%%
%%%----------------------------------------------------------------
%%% Purpose:Stdlib application test suite.
%%%-----------------------------------------------------------------
-module(stdlib_SUITE).
-include_lib("test_server/include/test_server.hrl").

-compile(export_all).

%%
%% all/1
%%
suite() -> [{ct_hooks,[ts_install_cth]}].

all() -> 
    [app_test, appup_test, {group,upgrade}].

groups() -> 
    [{upgrade,[minor_upgrade,major_upgrade]}].

init_per_suite(Config) ->
    Config.

end_per_suite(_Config) ->
    ok.

init_per_group(upgrade, Config) ->
    ct_release_test:init(Config);
init_per_group(_GroupName, Config) ->
    Config.

end_per_group(upgrade, Config) ->
    ct_release_test:cleanup(Config);
end_per_group(_GroupName, Config) ->
    Config.


init_per_testcase(_Case, Config) ->
    Config.
end_per_testcase(_Case, _Config) ->
    ok.

%
% Test cases starts here.
%
app_test(suite) ->
    [];
app_test(doc) ->
    ["Application consistency test."];
app_test(Config) when is_list(Config) ->
    ?t:app_test(stdlib),
    ok.

%% Test that appup allows upgrade from/downgrade to a maximum of one
%% major release back.
appup_test(_Config) ->
    appup_tests(stdlib,create_test_vsns(stdlib)).

appup_tests(_App,{[],[]}) ->
    {skip,"no previous releases available"};
appup_tests(App,{OkVsns,NokVsns}) ->
    application:load(App),
    {_,_,Vsn} = lists:keyfind(App,1,application:loaded_applications()),
    AppupFileName = atom_to_list(App) ++ ".appup",
    AppupFile = filename:join([code:lib_dir(App),ebin,AppupFileName]),
    {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(App) ->
    ThisMajor = erlang:system_info(otp_release),
    FirstMajor = previous_major(ThisMajor),
    SecondMajor = previous_major(FirstMajor),
    Ok = app_vsn(App,[ThisMajor,FirstMajor]),
    Nok0 = app_vsn(App,[SecondMajor]),
    Nok = case Ok of
	       [Ok1|_] ->
		   [Ok1 ++ ",1" | Nok0]; % illegal
	       _ ->
		   Nok0
	   end,
    {Ok,Nok}.

previous_major("17") ->
    "r16b";
previous_major("r16b") ->
    "r15b";
previous_major(Rel) ->
    integer_to_list(list_to_integer(Rel)-1).

app_vsn(App,[R|Rs]) ->
    OldRel =
	case test_server:is_release_available(R) of
	    true ->
		{release,R};
	    false ->
		case ct:get_config({otp_releases,list_to_atom(R)}) of
		    undefined ->
			false;
		    Prog0 ->
			case os:find_executable(Prog0) of
			    false ->
				false;
			    Prog ->
				{prog,Prog}
			end
		end
	end,
    case OldRel of
	false ->
	    app_vsn(App,Rs);
	_ ->
	    {ok,N} = test_server:start_node(prevrel,peer,[{erl,[OldRel]}]),
	    _ = rpc:call(N,application,load,[App]),
	    As = rpc:call(N,application,loaded_applications,[]),
	    {_,_,V} = lists:keyfind(App,1,As),
	    test_server:stop_node(N),
	    [V|app_vsn(App,Rs)]
    end;
app_vsn(_App,[]) ->
    [].

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.


minor_upgrade(Config) ->
    ct_release_test:upgrade(stdlib,minor,{?MODULE,[]},Config).

major_upgrade(Config) ->
    ct_release_test:upgrade(stdlib,major,{?MODULE,[]},Config).

%% Version numbers are checked by ct_release_test, so there is nothing
%% more to check here...
upgrade_init(State) ->
    State.
upgrade_upgraded(State) ->
    State.
upgrade_downgraded(State) ->
    State.
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