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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2005-2011. 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%
%%
-module(run_erl_SUITE).
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,
basic/1,heavy/1,heavier/1,defunct/1]).
-export([ping_me_back/1]).
-include_lib("test_server/include/test_server.hrl").
init_per_testcase(_Case, Config) ->
Dog = ?t:timetrap(?t:minutes(2)),
[{watchdog, Dog}|Config].
end_per_testcase(_Case, Config) ->
Dog = ?config(watchdog, Config),
?t:timetrap_cancel(Dog),
ok.
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[basic, heavy, heavier, defunct].
groups() ->
[].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
basic(Config) when is_list(Config) ->
case os:type() of
{unix,_} -> basic_1(Config);
_ -> {skip,"Not Unix"}
end.
basic_1(Config) ->
?line {Node,Pipe} = do_run_erl(Config, "basic"),
?line ToErl = open_port({spawn,"to_erl "++Pipe}, []),
?line erlang:port_command(ToErl, "halt().\r\n"),
receive
{nodedown,Node} ->
?line io:format("Down: ~p\n", [Node])
after 10000 ->
?line ?t:fail()
end,
ok.
heavy(Config) when is_list(Config) ->
case os:type() of
{unix,_} -> heavy_1(Config);
_ -> {skip,"Not Unix"}
end.
heavy_1(Config) ->
?line {Node,Pipe} = do_run_erl(Config, "heavy"),
?line ToErl = open_port({spawn,"to_erl "++Pipe}, []),
IoFormat = "io:format(\"~s\n\", [lists:duplicate(10000, 10)]).\r\n",
?line erlang:port_command(ToErl, IoFormat),
?line erlang:port_command(ToErl, IoFormat),
?line erlang:port_command(ToErl, IoFormat),
?line erlang:port_command(ToErl, "init:stop().\r\n"),
receive
{nodedown,Node} ->
?line io:format("Down: ~p\n", [Node])
after 10000 ->
?line ?t:fail()
end,
?line case count_new_lines(ToErl, 0) of
Nls when Nls > 30000 ->
ok;
Nls ->
?line io:format("new_lines: ~p\n", [Nls]),
?line ?t:fail()
end.
ping_me_back([Node]) when is_atom(Node) ->
net_adm:ping(Node);
ping_me_back([Node]) ->
net_adm:ping(list_to_atom(Node)).
count_new_lines(P, N) ->
receive
{P,{data,S}} ->
count_new_lines(P, count_new_lines_1(S, N))
after 0 ->
N
end.
count_new_lines_1([$\n|T], N) ->
count_new_lines_1(T, N+1);
count_new_lines_1([_|T], N) ->
count_new_lines_1(T, N);
count_new_lines_1([], N) -> N.
heavier(Config) when is_list(Config) ->
case os:type() of
{unix,_} -> heavier_1(Config);
_ -> {skip,"Not Unix"}
end.
heavier_1(Config) ->
?line {Node,Pipe} = do_run_erl(Config, "heavier"),
?line ToErl = open_port({spawn,"to_erl "++Pipe}, []),
io:format("ToErl = ~p\n", [ToErl]),
X = 1,
Y = 555,
Z = 42,
?line random:seed(X, Y, Z),
SeedCmd = lists:flatten(io_lib:format("random:seed(~p, ~p, ~p). \r\n",
[X,Y,Z])),
?line io:format("~p\n", [SeedCmd]),
?line erlang:port_command(ToErl, SeedCmd),
Iter = 1000,
MaxLen = 2048,
Random = "f(F), "++
"F = fun(F,0) -> ok; "++
"(F,N) -> " ++
"io:format(\"\\\"~s\\\"~n\","++
"[[35|[random:uniform(25)+65 || " ++
"_ <- lists:seq(1, "++
"random:uniform("++
integer_to_list(MaxLen)++
"))]]]), "++
"F(F,N-1) "++
"end,"++
"F(F,"++integer_to_list(Iter)++")."++" \r\n",
?line io:format("~p\n", [Random]),
?line erlang:port_command(ToErl, Random),
%% Finish.
?line erlang:port_command(ToErl, "init:stop().\r\n"),
?line receive_all(Iter, ToErl, MaxLen),
receive
{nodedown,Node} ->
?line io:format("Down: ~p\n", [Node])
after 10000 ->
?line c:flush(),
?line ?t:fail()
end,
ok.
receive_all(Iter, ToErl, MaxLen) ->
receive_all_1(Iter, [], ToErl, MaxLen).
receive_all_1(0, _, _, _) -> ok;
receive_all_1(Iter, Line, ToErl, MaxLen) ->
NumChars = random:uniform(MaxLen),
Pattern = [random:uniform(25)+65 || _ <- lists:seq(1, NumChars)],
receive_all_2(Iter, {NumChars,Pattern}, Line, ToErl, MaxLen).
receive_all_2(Iter, {NumChars,Pattern}, Line0, ToErl, MaxLen) ->
case receive_match(Line0, {NumChars,Pattern}) of
{match,Line} ->
%%io:format("Match: ~p\n", [Line]),
receive_all_1(Iter-1, Line, ToErl, MaxLen);
{nomatch,Line} ->
%%io:format("NoMatch: ~p\n", [Line]),
receive
{ToErl,{data,S}} ->
%%io:format("Recv: ~p\n", [S]),
receive_all_2(Iter, {NumChars,Pattern}, Line++S, ToErl, MaxLen)
after 10000 ->
io:format("Timeout waiting for\n~p\ngot\n~p\n",
[Pattern, Line]),
?line ?t:fail()
end
end.
receive_match("\"#"++T, {NumChars,Pattern}) when length(T) >= NumChars ->
Match = lists:sublist(T, NumChars),
io:format("match candidate: ~p\n", [Match]),
Match = Pattern,
{match,lists:nthtail(NumChars, T)};
receive_match("\"#"++T, _) ->
{nomatch,"\"#"++T};
receive_match("\""=Line, _) ->
{nomatch,Line};
receive_match([_|T], Tpl) ->
receive_match(T, Tpl);
receive_match(Line, _) ->
{nomatch,Line}.
defunct(Config) when is_list(Config) ->
case os:type() of
{unix,_} -> defunct_1(Config);
_ -> {skip,"Not Unix"}
end.
defunct_1(Config) ->
case os:find_executable(perl) of
false ->
{skip,"No perl found"};
Perl ->
defunct_2(Config, Perl)
end.
defunct_2(Config, Perl) ->
?line Data = ?config(data_dir, Config),
?line RunErlTest = filename:join(Data, "run_erl_test.pl"),
?line Defuncter = filename:join(Data, "defuncter.pl"),
?line Priv = ?config(priv_dir, Config),
?line LogDir = filename:join(Priv, "defunct"),
?line ok = file:make_dir(LogDir),
?line Pipe = LogDir ++ "/",
?line RunErl = os:find_executable(run_erl),
?line Cmd = Perl ++ " " ++ RunErlTest ++ " " ++ RunErl ++ " " ++
Defuncter ++ " " ++ Pipe ++ " " ++ LogDir,
?line io:format("~p", [Cmd]),
?line Res = os:cmd(Cmd),
?line io:format("~p\n", [Res]),
"OK"++_ = Res,
ok.
%%% Utilities.
do_run_erl(Config, Case) ->
?line Priv = ?config(priv_dir, Config),
?line LogDir = filename:join(Priv, Case),
?line ok = file:make_dir(LogDir),
?line Pipe = LogDir ++ "/",
?line NodeName = "run_erl_node_" ++ Case,
?line Cmd = "run_erl "++Pipe++" "++LogDir++" \"erl -sname " ++ NodeName ++
" -pa " ++ filename:dirname(code:which(?MODULE)) ++
" -s " ++ ?MODULE_STRING ++ " ping_me_back " ++
atom_to_list(node()) ++ "\"",
?line io:format("~p\n", [Cmd]),
?line net_kernel:monitor_nodes(true),
?line open_port({spawn,Cmd}, []),
?line [_,Host] = string:tokens(atom_to_list(node()), "@"),
?line Node = list_to_atom(NodeName++"@"++Host),
receive
{nodeup,Node} ->
?line io:format("Up: ~p\n", [Node]);
Other ->
?line io:format("Unexpected: ~p\n", [Other]),
?line ?t:fail()
after 10000 ->
?line ?t:fail()
end,
{Node,Pipe}.
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