%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1999-2013. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% Purpose: Lightweight test server
%%----------------------------------------------------------------------
%%
-module(megaco_test_lib).
-compile(export_all).
-include("megaco_test_lib.hrl").
%% ----------------------------------------------------------------
%% Time related function
%%
sleep(infinity) ->
receive
after infinity ->
ok
end;
sleep(MSecs) ->
receive
after trunc(MSecs) ->
ok
end,
ok.
hours(N) -> trunc(N * 1000 * 60 * 60).
minutes(N) -> trunc(N * 1000 * 60).
seconds(N) -> trunc(N * 1000).
%% ----------------------------------------------------------------
%% Conditional skip of testcases
%%
non_pc_tc_maybe_skip(Config, Condition, File, Line)
when is_list(Config) andalso is_function(Condition) ->
%% Check if we shall skip the skip
case os:getenv("TS_OS_BASED_SKIP") of
"false" ->
ok;
_ ->
case lists:keysearch(ts, 1, Config) of
{value, {ts, megaco}} ->
%% Always run the testcase if we are using our own
%% test-server...
ok;
_ ->
case (catch Condition()) of
true ->
skip(non_pc_testcase, File, Line);
_ ->
ok
end
end
end.
os_based_skip(any) ->
true;
os_based_skip(Skippable) when is_list(Skippable) ->
{OsFam, OsName} =
case os:type() of
{_Fam, _Name} = FamAndName ->
FamAndName;
Fam ->
{Fam, undefined}
end,
case lists:member(OsFam, Skippable) of
true ->
true;
false ->
case lists:keysearch(OsFam, 1, Skippable) of
{value, {OsFam, OsName}} ->
true;
{value, {OsFam, OsNames}} when is_list(OsNames) ->
lists:member(OsName, OsNames);
_ ->
false
end
end;
os_based_skip(_) ->
false.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Evaluates a test case or test suite
%% Returns a list of failing test cases:
%%
%% {Mod, Fun, ExpectedRes, ActualRes}
%%----------------------------------------------------------------------
tickets([Mod]) ->
tickets(Mod);
tickets(Mod) when is_atom(Mod) ->
%% p("tickets -> entry with"
%% "~n Mod: ~p", [Mod]),
Res0 = t({Mod, {group, tickets}, Mod:groups()}, default_config()),
Res = lists:flatten(Res0),
%% p("tickets(~w) -> Res: ~p~n", [Mod, Res]),
display_result(Res),
Res.
display_alloc_info() ->
io:format("Allocator memory information:~n", []),
AllocInfo = alloc_info(),
display_alloc_info(AllocInfo).
display_alloc_info([]) ->
ok;
display_alloc_info([{Alloc, Mem}|AllocInfo]) ->
io:format(" ~15w: ~10w~n", [Alloc, Mem]),
display_alloc_info(AllocInfo).
alloc_info() ->
case erlang:system_info(allocator) of
{_Allocator, _Version, Features, _Settings} ->
alloc_info(Features);
_ ->
[]
end.
alloc_info(Allocators) ->
Allocs = [temp_alloc, sl_alloc, std_alloc, ll_alloc, eheap_alloc,
ets_alloc, binary_alloc, driver_alloc],
alloc_info(Allocators, Allocs, []).
alloc_info([], _, Acc) ->
lists:reverse(Acc);
alloc_info([Allocator | Allocators], Allocs, Acc) ->
case lists:member(Allocator, Allocs) of
true ->
Instances0 = erlang:system_info({allocator, Allocator}),
Instances =
if
is_list(Instances0) ->
[Instance || Instance <- Instances0,
element(1, Instance) =:= instance];
true ->
[]
end,
AllocatorMem = alloc_mem_info(Instances),
alloc_info(Allocators, Allocs, [{Allocator, AllocatorMem} | Acc]);
false ->
alloc_info(Allocators, Allocs, Acc)
end.
alloc_mem_info(Instances) ->
alloc_mem_info(Instances, []).
alloc_mem_info([], Acc) ->
lists:sum([Mem || {instance, _, Mem} <- Acc]);
alloc_mem_info([{instance, N, Info}|Instances], Acc) ->
InstanceMemInfo = alloc_instance_mem_info(Info),
alloc_mem_info(Instances, [{instance, N, InstanceMemInfo} | Acc]).
alloc_instance_mem_info(InstanceInfo) ->
MBCS = alloc_instance_mem_info(mbcs, InstanceInfo),
SBCS = alloc_instance_mem_info(sbcs, InstanceInfo),
MBCS + SBCS.
alloc_instance_mem_info(Key, InstanceInfo) ->
case lists:keysearch(Key, 1, InstanceInfo) of
{value, {Key, Info}} ->
case lists:keysearch(blocks_size, 1, Info) of
{value, {blocks_size, Mem, _, _}} ->
Mem;
_ ->
0
end;
_ ->
0
end.
t([Case]) when is_atom(Case) ->
%% p("t -> entry with"
%% "~n [Case]: [~p]", [Case]),
t(Case);
t(Case) ->
%% p("t -> entry with"
%% "~n Case: ~p", [Case]),
process_flag(trap_exit, true),
MEM = fun() -> case (catch erlang:memory()) of
{'EXIT', _} ->
[];
Res ->
Res
end
end,
Alloc1 = alloc_info(),
Mem1 = MEM(),
Res = lists:flatten(t(Case, default_config())),
Alloc2 = alloc_info(),
Mem2 = MEM(),
display_result(Res, Alloc1, Mem1, Alloc2, Mem2),
Res.
groups(Mod) when is_atom(Mod) ->
try Mod:groups() of
Groups when is_list(Groups) ->
Groups;
BadGroups ->
exit({bad_groups, Mod, BadGroups})
catch
_:_ ->
[]
end.
init_suite(Mod, Config) ->
Mod:init_per_suite(Config).
end_suite(Mod, Config) ->
Mod:end_per_suite(Config).
init_group(Mod, Group, Config) ->
Mod:init_per_group(Group, Config).
end_group(Mod, Group, Config) ->
Mod:init_per_group(Group, Config).
%% This is for sub-SUITEs
t({_Mod, {NewMod, all}, _Groups}, _Config) when is_atom(NewMod) ->
%% p("t(all) -> entry with"
%% "~n NewMod: ~p", [NewMod]),
t(NewMod);
t({Mod, {group, Name} = Group, Groups}, Config)
when is_atom(Mod) andalso is_atom(Name) andalso is_list(Groups) ->
%% p("t(group) -> entry with"
%% "~n Mod: ~p"
%% "~n Name: ~p"
%% "~n Groups: ~p"
%% "~n Config: ~p", [Mod, Name, Groups, Config]),
case lists:keysearch(Name, 1, Groups) of
{value, {Name, _Props, GroupsAndCases}} ->
try init_group(Mod, Name, Config) of
Config2 when is_list(Config2) ->
Res = [t({Mod, Case, Groups}, Config2) ||
Case <- GroupsAndCases],
(catch end_group(Mod, Name, Config2)),
Res;
Error ->
io:format(" => group (~w) init failed: ~p~n",
[Name, Error]),
[{failed, {Mod, Group}, Error}]
catch
exit:{skipped, SkipReason} ->
io:format(" => skipping group: ~p~n", [SkipReason]),
[{skipped, {Mod, Group}, SkipReason, 0}];
error:undef ->
[t({Mod, Case, Groups}, Config) ||
Case <- GroupsAndCases];
T:E ->
[{failed, {Mod, Group}, {T,E}, 0}]
end;
false ->
exit({unknown_group, Mod, Name, Groups})
end;
t({Mod, Fun, _}, Config)
when is_atom(Mod) andalso is_atom(Fun) ->
%% p("t -> entry with"
%% "~n Mod: ~p"
%% "~n Fun: ~p"
%% "~n Config: ~p", [Mod, Fun, Config]),
try apply(Mod, Fun, [suite]) of
[] ->
io:format("Eval: ~p:", [{Mod, Fun}]),
Res = eval(Mod, Fun, Config),
{R, _, _, _} = Res,
io:format(" ~p~n", [R]),
Res;
Cases when is_list(Cases) ->
io:format("Expand: ~p ...~n", [{Mod, Fun}]),
Map = fun(Case) when is_atom(Case) -> {Mod, Case};
(Case) -> Case
end,
t(lists:map(Map, Cases), Config);
Error ->
io:format("Ignoring: ~p: ~p~n", [{Mod, Fun}, Error]),
[{failed, {Mod, Fun}, Error, 0}]
catch
error:undef ->
io:format("Undefined: ~p~n", [{Mod, Fun}]),
[{nyi, {Mod, Fun}, ok, 0}]
end;
t(Mod, Config) when is_atom(Mod) ->
%% p("t -> entry with"
%% "~n Mod: ~p"
%% "~n Config: ~p", [Mod, Config]),
%% This is assumed to be a test suite, so we start by calling
%% the top test suite function(s) (all/0 and groups/0).
try Mod:all() of
Cases when is_list(Cases) ->
%% The list may contain atoms (actual test cases) and
%% group-tuples (a tuple naming a group of test cases).
%% A group is defined by the (optional) groups/0 function.
Groups = groups(Mod),
try init_suite(Mod, Config) of
Config2 when is_list(Config2) ->
Res = [t({Mod, Case, Groups}, Config2) || Case <- Cases],
(catch end_suite(Mod, Config2)),
Res;
Error ->
io:format(" => suite init failed: ~p~n", [Error]),
[{failed, {Mod, init_per_suite}, Error}]
catch
exit:{skipped, SkipReason} ->
io:format(" => skipping suite: ~p~n", [SkipReason]),
[{skipped, {Mod, init_per_suite}, SkipReason, 0}];
error:undef ->
[t({Mod, Case, Groups}, Config) || Case <- Cases];
T:E ->
io:format(" => failed suite: ~p~n", [{T,E}]),
[{failed, {Mod, init_per_suite}, {T,E}, 0}]
end;
Crap ->
Crap
catch
error:undef ->
io:format("Undefined: ~p~n", [{Mod, all}]),
[{nyi, {Mod, all}, ok, 0}]
end;
t(Bad, _Config) ->
[{badarg, Bad, ok, 0}].
eval(Mod, Fun, Config) ->
TestCase = {?MODULE, Mod, Fun},
Label = lists:concat(["TEST CASE: ", Fun]),
megaco:report_event(40, ?MODULE, Mod, Label ++ " started",
[TestCase, Config]),
global:register_name(megaco_test_case_sup, self()),
Flag = process_flag(trap_exit, true),
put(megaco_test_server, true),
Config2 = Mod:init_per_testcase(Fun, Config),
Pid = spawn_link(?MODULE, do_eval, [self(), Mod, Fun, Config2]),
R = wait_for_evaluator(Pid, Mod, Fun, Config2, []),
Mod:end_per_testcase(Fun, Config2),
erase(megaco_test_server),
global:unregister_name(megaco_test_case_sup),
process_flag(trap_exit, Flag),
R.
-record('REASON', {mod, line, desc}).
wait_for_evaluator(Pid, Mod, Fun, Config, Errors) ->
wait_for_evaluator(Pid, Mod, Fun, Config, Errors, 0).
wait_for_evaluator(Pid, Mod, Fun, Config, Errors, AccTime) ->
%% p("wait_for_evaluator -> "
%% "~n Pid: ~p"
%% "~n Mod: ~p"
%% "~n Fun: ~p"
%% "~n Config: ~p"
%% "~n Errors: ~p"
%% "~n AccTime: ~p",
%% [Pid, Mod, Fun, Config, Errors, AccTime]),
TestCase = {?MODULE, Mod, Fun},
Label = lists:concat(["TEST CASE: ", Fun]),
receive
{done, Pid, ok, Time} when Errors =:= [] ->
megaco:report_event(40, Mod, ?MODULE, Label ++ " ok",
[TestCase, Config]),
{ok, {Mod, Fun}, Errors, Time};
{done, Pid, ok, Time} ->
megaco:report_event(40, Mod, ?MODULE, Label ++ " failed",
[TestCase, Config]),
{failed, {Mod, Fun}, Errors, Time};
{done, Pid, {ok, _}, Time} when Errors =:= [] ->
megaco:report_event(40, Mod, ?MODULE, Label ++ " ok",
[TestCase, Config]),
{ok, {Mod, Fun}, Errors, Time};
{done, Pid, {ok, _}, Time} ->
megaco:report_event(40, Mod, ?MODULE, Label ++ " failed",
[TestCase, Config]),
{failed, {Mod, Fun}, Errors, Time};
{done, Pid, Fail, Time} ->
megaco:report_event(20, Mod, ?MODULE, Label ++ " failed",
[TestCase, Config, {return, Fail}, Errors]),
{failed, {Mod,Fun}, Fail, Time};
{'EXIT', Pid, {skipped, Reason}, Time} ->
megaco:report_event(20, Mod, ?MODULE, Label ++ " skipped",
[TestCase, Config, {skipped, Reason}]),
{skipped, {Mod, Fun}, Errors, Time};
{'EXIT', Pid, Reason, Time} ->
megaco:report_event(20, Mod, ?MODULE, Label ++ " crashed",
[TestCase, Config, {'EXIT', Reason}]),
{crashed, {Mod, Fun}, [{'EXIT', Reason} | Errors], Time};
{fail, Pid, Reason, Time} ->
wait_for_evaluator(Pid, Mod, Fun, Config,
Errors ++ [Reason], AccTime + Time)
end.
do_eval(ReplyTo, Mod, Fun, Config) ->
%% p("do_eval -> "
%% "~n ReplyTo: ~p"
%% "~n Mod: ~p"
%% "~n Fun: ~p"
%% "~n Config: ~p", [ReplyTo, Mod, Fun, Config]),
display_system_info("before", Mod, Fun),
T1 = os:timestamp(),
try Mod:Fun(Config) of
Res ->
%% p("do_eval -> done"
%% "~n Res: ~p", [Res]),
T2 = os:timestamp(),
Time = timer:now_diff(T2, T1),
display_tc_time(Time),
display_system_info("after", Mod, Fun),
ReplyTo ! {done, self(), Res, Time}
catch
error:undef ->
%% p("do_eval -> error - undef", []),
ReplyTo ! {'EXIT', self(), undef, 0};
exit:{skipped, Reason} ->
%% p("do_eval -> exit - skipped"
%% "~n Reason: ~p", [Reason]),
T2 = os:timestamp(),
Time = timer:now_diff(T2, T1),
display_tc_time(Time),
display_system_info("after (skipped)", Mod, Fun),
ReplyTo ! {'EXIT', self(), {skipped, Reason}, Time};
exit:{suite_failed, Reason} ->
%% p("do_eval -> exit - suite-failed"
%% "~n Reason: ~p", [Reason]),
T2 = os:timestamp(),
Time = timer:now_diff(T2, T1),
display_tc_time(Time),
display_system_info("after (failed)", Mod, Fun),
ReplyTo ! {done, self(), Reason, Time}
end,
unlink(ReplyTo),
exit(shutdown).
display_tc_time(Time) ->
io:format("~n"
"~n*********************************************"
"~n"
"~nTest case completion time: ~.3f sec (~w)"
"~n", [(Time / 1000000), Time]),
ok.
display_system_info(WhenStr) ->
display_system_info(WhenStr, undefined, undefined).
display_system_info(WhenStr, undefined, undefined) ->
display_system_info(WhenStr, "");
display_system_info(WhenStr, Mod, Func) ->
ModFuncStr = lists:flatten(io_lib:format(" ~w:~w", [Mod, Func])),
display_system_info(WhenStr, ModFuncStr).
display_system_info(WhenStr, ModFuncStr) ->
Fun = fun(F) -> case (catch F()) of
{'EXIT', _} ->
undefined;
Res ->
Res
end
end,
ProcCount = Fun(fun() -> erlang:system_info(process_count) end),
ProcLimit = Fun(fun() -> erlang:system_info(process_limit) end),
ProcMemAlloc = Fun(fun() -> erlang:memory(processes) end),
ProcMemUsed = Fun(fun() -> erlang:memory(processes_used) end),
ProcMemBin = Fun(fun() -> erlang:memory(binary) end),
ProcMemTot = Fun(fun() -> erlang:memory(total) end),
%% error_logger:info_msg(
io:format("~n"
"~n*********************************************"
"~n"
"System info ~s~s => "
"~n Process count: ~w"
"~n Process limit: ~w"
"~n Process memory alloc: ~w"
"~n Process memory used: ~w"
"~n Memory for binaries: ~w"
"~n Memory total: ~w"
"~n"
"~n*********************************************"
"~n"
"~n", [WhenStr, ModFuncStr,
ProcCount, ProcLimit, ProcMemAlloc, ProcMemUsed,
ProcMemBin, ProcMemTot]),
ok.
display_result(Res, Alloc1, Mem1, Alloc2, Mem2) ->
io:format("~nAllocator info: ~n", []),
display_alloc(Alloc1, Alloc2),
io:format("~nMemory info: ~n", []),
display_memory(Mem1, Mem2),
display_result(Res).
display_alloc([], []) ->
io:format("-~n", []),
ok;
display_alloc(A1, A2) ->
do_display_alloc(A1, A2).
do_display_alloc([], _) ->
ok;
do_display_alloc([{Alloc, Mem1}|AllocInfo1], AllocInfo2) ->
Mem2 =
case lists:keysearch(Alloc, 1, AllocInfo2) of
{value, {_, Val}} ->
Val;
false ->
undefined
end,
io:format("~15w: ~10w -> ~w~n", [Alloc, Mem1, Mem2]),
do_display_alloc(AllocInfo1, AllocInfo2).
display_memory([], []) ->
io:format("-~n", []),
ok;
display_memory(Mem1, Mem2) ->
do_display_memory(Mem1, Mem2).
do_display_memory([], _) ->
ok;
do_display_memory([{Key, Mem1}|MemInfo1], MemInfo2) ->
Mem2 =
case lists:keysearch(Key, 1, MemInfo2) of
{value, {_, Val}} ->
Val;
false ->
undefined
end,
io:format("~15w: ~10w -> ~w~n", [Key, Mem1, Mem2]),
do_display_memory(MemInfo1, MemInfo2).
display_result([]) ->
io:format("OK~n", []);
display_result(Res) when is_list(Res) ->
Ok = [{MF, Time} || {ok, MF, _, Time} <- Res],
Nyi = [MF || {nyi, MF, _, _Time} <- Res],
SkippedGrps = [{{M,G}, Reason} ||
{skipped, {M, {group, G}}, Reason, _Time} <- Res],
SkippedCases = [{MF, Reason} ||
{skipped, {_M, F} = MF, Reason, _Time} <- Res,
is_atom(F)],
FailedGrps = [{{M,G}, Reason} ||
{failed, {M, {group, G}}, Reason, _Time} <- Res],
FailedCases = [{MF, Reason} ||
{failed, {_M, F} = MF, Reason, _Time} <- Res,
is_atom(F)],
Crashed = [{MF, Reason} || {crashed, MF, Reason, _Time} <- Res],
display_summery(Ok, Nyi,
SkippedGrps, SkippedCases,
FailedGrps, FailedCases,
Crashed),
display_ok(Ok),
display_skipped("groups", SkippedGrps),
display_skipped("test cases", SkippedCases),
display_failed("groups", FailedGrps),
display_failed("test cases", FailedCases),
display_crashed(Crashed).
display_summery(Ok, Nyi,
SkippedGrps, SkippedCases,
FailedGrps, FailedCases,
Crashed) ->
io:format("~nTest case summery:~n", []),
display_summery(Ok, "test case", "successfull"),
display_summery(Nyi, "test case", "not yet implemented"),
display_summery(SkippedGrps, "group", "skipped"),
display_summery(SkippedCases, "test case", "skipped"),
display_summery(FailedGrps, "group", "failed"),
display_summery(FailedCases, "test case", "failed"),
display_summery(Crashed, "test case", "crashed"),
io:format("~n", []).
display_summery(Res, Kind, Info) ->
Len = length(Res),
if
Len =:= 1 ->
display_summery(Len, Kind ++ " " ++ Info);
true ->
display_summery(Len, Kind ++ "s " ++ Info)
end.
display_summery(Len, Info) ->
io:format(" ~w ~s~n", [Len, Info]).
display_ok([]) ->
ok;
display_ok(Ok) ->
io:format("Ok test cases:~n", []),
F = fun({{M, F}, Time}) ->
io:format(" ~w : ~w => ~.2f sec~n", [M, F, Time / 1000000])
end,
lists:foreach(F, Ok),
io:format("~n", []).
display_skipped(_, []) ->
ok;
display_skipped(Pre, Skipped) ->
io:format("Skipped ~s:~n", [Pre]),
F = fun({X, Reason}) -> io:format(" ~p => ~p~n", [X, Reason]) end,
lists:foreach(F, Skipped),
io:format("~n", []).
display_failed(_, []) ->
ok;
display_failed(Pre, Failed) ->
io:format("Failed ~s:~n", [Pre]),
F = fun({X, Reason}) -> io:format(" ~p => ~p~n", [X, Reason]) end,
lists:foreach(F, Failed),
io:format("~n", []).
display_crashed([]) ->
ok;
display_crashed(Crashed) ->
io:format("Crashed test cases:~n", []),
F = fun({MF, Reason}) -> io:format(" ~p => ~p~n", [MF, Reason]) end,
lists:foreach(F, Crashed),
io:format("~n", []).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Verify that the actual result of a test case matches the exected one
%% Returns the actual result
%% Stores the result in the process dictionary if mismatch
error(Actual, Mod, Line) ->
global:send(megaco_global_logger, {failed, Mod, Line}),
log("<ERROR> Bad result: ~p~n", [Actual], Mod, Line),
Label = lists:concat([Mod, "(", Line, ") unexpected result"]),
megaco:report_event(60, Mod, Mod, Label,
[{line, Mod, Line}, {error, Actual}]),
case global:whereis_name(megaco_test_case_sup) of
undefined ->
ignore;
Pid ->
Fail = #'REASON'{mod = Mod, line = Line, desc = Actual},
Pid ! {fail, self(), Fail}
end,
Actual.
log(Format, Args, Mod, Line) ->
case global:whereis_name(megaco_global_logger) of
undefined ->
io:format(user, "~p~p(~p): " ++ Format,
[self(), Mod, Line] ++ Args);
Pid ->
io:format(Pid, "~p~p(~p): " ++ Format,
[self(), Mod, Line] ++ Args)
end.
skip(Actual, File, Line) ->
log("Skipping test case~n", [], File, Line),
String = lists:flatten(io_lib:format("Skipping test case ~p(~p): ~p~n",
[File, Line, Actual])),
exit({skipped, String}).
fatal_skip(Actual, File, Line) ->
error(Actual, File, Line),
exit({skipped, {fatal, Actual, File, Line}}).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Flush the message queue and return its messages
flush() ->
receive
Msg ->
[Msg | flush()]
after 1000 ->
[]
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Check if process is alive and kicking
still_alive(Pid) ->
case catch erlang:is_process_alive(Pid) of % New BIF in Erlang/OTP R5
true ->
true;
false ->
false;
{'EXIT', _} -> % Pre R5 backward compatibility
case process_info(Pid, message_queue_len) of
undefined -> false;
_ -> true
end
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% The proxy process
proxy_start(ProxyId) ->
spawn_link(?MODULE, proxy_init, [ProxyId, self()]).
proxy_start(Node, ProxyId) ->
spawn_link(Node, ?MODULE, proxy_init, [ProxyId, self()]).
proxy_init(ProxyId, Controller) ->
process_flag(trap_exit, true),
?LOG("[~p] proxy started by ~p~n",[ProxyId, Controller]),
proxy_loop(ProxyId, Controller).
proxy_loop(OwnId, Controller) ->
receive
{'EXIT', Controller, Reason} ->
p("proxy_loop -> received exit from controller"
"~n Reason: ~p"
"~n", [Reason]),
exit(Reason);
{apply, Fun} ->
p("proxy_loop -> received apply request~n", []),
Res = Fun(),
p("proxy_loop -> apply result: "
"~n ~p"
"~n", [Res]),
Controller ! {res, OwnId, Res},
proxy_loop(OwnId, Controller);
OtherMsg ->
p("proxy_loop -> received unknown message: "
"~n OtherMsg: ~p"
"~n", [OtherMsg]),
Controller ! {msg, OwnId, OtherMsg},
proxy_loop(OwnId, Controller)
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Test server callbacks
init_per_testcase(_Case, Config) ->
Pid = group_leader(),
Name = megaco_global_logger,
case global:whereis_name(Name) of
undefined ->
global:register_name(megaco_global_logger, Pid);
Pid ->
io:format("~w:init_per_testcase -> "
"already registered to ~p~n", [?MODULE, Pid]),
ok;
OtherPid when is_pid(OtherPid) ->
io:format("~w:init_per_testcase -> "
"already registered to other ~p (~p)~n",
[?MODULE, OtherPid, Pid]),
exit({already_registered, {megaco_global_logger, OtherPid, Pid}})
end,
set_kill_timer(Config).
end_per_testcase(_Case, Config) ->
Name = megaco_global_logger,
case global:whereis_name(Name) of
undefined ->
io:format("~w:end_per_testcase -> already un-registered~n",
[?MODULE]),
ok;
Pid when is_pid(Pid) ->
global:unregister_name(megaco_global_logger),
ok
end,
reset_kill_timer(Config).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Set kill timer
set_kill_timer(Config) ->
case init:get_argument(megaco_test_timeout) of
{ok, _} ->
Config;
_ ->
Time =
case lookup_config(tc_timeout, Config) of
[] ->
timer:minutes(5);
ConfigTime when is_integer(ConfigTime) ->
ConfigTime
end,
Dog =
case get(megaco_test_server) of
true ->
spawn_link(?MODULE, watchdog, [self(), Time]);
_ ->
test_server:timetrap(Time)
end,
[{kill_timer, Dog}|Config]
end.
reset_kill_timer(Config) ->
DogKiller =
case get(megaco_test_server) of
true ->
fun(P) when is_pid(P) -> P ! stop;
(_) -> ok
end;
_ ->
fun(Ref) -> test_server:timetrap_cancel(Ref) end
end,
case lists:keysearch(kill_timer, 1, Config) of
{value, {kill_timer, Dog}} ->
DogKiller(Dog),
lists:keydelete(kill_timer, 1, Config);
_ ->
Config
end.
watchdog(Pid, Time) ->
erlang:now(),
receive
stop ->
ok
after Time ->
case (catch process_info(Pid)) of
undefined ->
ok;
Info ->
?LOG("<ERROR> Watchdog in test case timed out "
"for ~p after ~p min"
"~n~p"
"~n",
[Pid, Time div (1000*60), Info]),
exit(Pid, kill)
end
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
prepare_test_case(Actions, N, Config, File, Line) ->
OrigNodes = lookup_config(nodes, Config),
TestNodes = lookup_config(nodenames, Config), %% For testserver
This = node(),
SomeNodes = OrigNodes ++ (TestNodes -- OrigNodes),
AllNodes = [This | (SomeNodes -- [This])],
Nodes = pick_n_nodes(N, AllNodes, File, Line),
start_nodes(Nodes, File, Line),
do_prepare_test_case(Actions, Nodes, Config, File, Line).
do_prepare_test_case([init | Actions], Nodes, Config, File, Line) ->
process_flag(trap_exit, true),
megaco_test_lib:flush(),
do_prepare_test_case(Actions, Nodes, Config, File, Line);
do_prepare_test_case([{stop_app, App} | Actions], Nodes, Config, File, Line) ->
_Res = rpc:multicall(Nodes, application, stop, [App]),
do_prepare_test_case(Actions, Nodes, Config, File, Line);
do_prepare_test_case([], Nodes, _Config, _File, _Line) ->
Nodes.
pick_n_nodes(all, AllNodes, _File, _Line) ->
AllNodes;
pick_n_nodes(N, AllNodes, _File, _Line)
when is_integer(N) andalso (length(AllNodes) >= N) ->
AllNodes -- lists:nthtail(N, AllNodes);
pick_n_nodes(N, AllNodes, File, Line) ->
fatal_skip({too_few_nodes, N, AllNodes}, File, Line).
lookup_config(Key,Config) ->
case lists:keysearch(Key, 1, Config) of
{value,{Key,Val}} ->
Val;
_ ->
[]
end.
default_config() ->
[{nodes, default_nodes()}, {ts, megaco}].
default_nodes() ->
mk_nodes(2, []).
mk_nodes(0, Nodes) ->
Nodes;
mk_nodes(N, []) ->
mk_nodes(N - 1, [node()]);
mk_nodes(N, Nodes) when N > 0 ->
Head = hd(Nodes),
[Name, Host] = node_to_name_and_host(Head),
Nodes ++ [mk_node(I, Name, Host) || I <- lists:seq(1, N)].
mk_node(N, Name, Host) ->
list_to_atom(lists:concat([Name ++ integer_to_list(N) ++ "@" ++ Host])).
%% Returns [Name, Host]
node_to_name_and_host(Node) ->
string:tokens(atom_to_list(Node), [$@]).
start_nodes([Node | Nodes], File, Line) ->
case net_adm:ping(Node) of
pong ->
start_nodes(Nodes, File, Line);
pang ->
[Name, Host] = node_to_name_and_host(Node),
case slave:start_link(Host, Name) of
{ok, NewNode} when NewNode =:= Node ->
Path = code:get_path(),
{ok, Cwd} = file:get_cwd(),
true = rpc:call(Node, code, set_path, [Path]),
ok = rpc:call(Node, file, set_cwd, [Cwd]),
true = rpc:call(Node, code, set_path, [Path]),
{_, []} = rpc:multicall(global, sync, []),
start_nodes(Nodes, File, Line);
Other ->
fatal_skip({cannot_start_node, Node, Other}, File, Line)
end
end;
start_nodes([], _File, _Line) ->
ok.
p(F, A) ->
io:format("~p~w:" ++ F ++ "~n", [self(), ?MODULE |A]).
