diff options
Diffstat (limited to 'lib/common_test/test')
| -rw-r--r-- | lib/common_test/test/Makefile | 3 | ||||
| -rw-r--r-- | lib/common_test/test/ct_group_leader_SUITE.erl | 181 | ||||
| -rw-r--r-- | lib/common_test/test/ct_group_leader_SUITE_data/group_leader_SUITE.erl | 252 |
3 files changed, 435 insertions, 1 deletions
diff --git a/lib/common_test/test/Makefile b/lib/common_test/test/Makefile index 7691920993..64e2cb6507 100644 --- a/lib/common_test/test/Makefile +++ b/lib/common_test/test/Makefile @@ -53,7 +53,8 @@ MODULES= \ ct_verbosity_SUITE \ ct_shell_SUITE \ ct_system_error_SUITE \ - ct_snmp_SUITE + ct_snmp_SUITE \ + ct_group_leader_SUITE ERL_FILES= $(MODULES:%=%.erl) diff --git a/lib/common_test/test/ct_group_leader_SUITE.erl b/lib/common_test/test/ct_group_leader_SUITE.erl new file mode 100644 index 0000000000..cde3061d6a --- /dev/null +++ b/lib/common_test/test/ct_group_leader_SUITE.erl @@ -0,0 +1,181 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2012. 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% +%% + +%%%------------------------------------------------------------------- +%%% File: ct_system_error_SUITE +%%% +%%% Description: +%%% +%%% Test the group leader functionality in the test_server application. +%%%------------------------------------------------------------------- +-module(ct_group_leader_SUITE). + +-compile(export_all). + +-include_lib("common_test/include/ct.hrl"). +-include_lib("common_test/include/ct_event.hrl"). + +-define(eh, ct_test_support_eh). + +%%-------------------------------------------------------------------- +%% TEST SERVER CALLBACK FUNCTIONS +%%-------------------------------------------------------------------- + +%%-------------------------------------------------------------------- +%% Description: Since Common Test starts another Test Server +%% instance, the tests need to be performed on a separate node (or +%% there will be clashes with logging processes etc). +%%-------------------------------------------------------------------- +init_per_suite(Config) -> + Config1 = ct_test_support:init_per_suite(Config), + Config1. + +end_per_suite(Config) -> + ct_test_support:end_per_suite(Config). + +init_per_testcase(TestCase, Config) -> + ct_test_support:init_per_testcase(TestCase, Config). + +end_per_testcase(TestCase, Config) -> + ct_test_support:end_per_testcase(TestCase, Config). + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [ + basic + ]. + +%%-------------------------------------------------------------------- +%% TEST CASES +%%-------------------------------------------------------------------- + +%%%----------------------------------------------------------------- +%%% +basic(Config) -> + TC = basic, + DataDir = ?config(data_dir, Config), + Suite = filename:join(DataDir, "group_leader_SUITE"), + {Opts,ERPid} = setup([{suite,Suite},{label,TC}], Config), + SuiteLog = execute(TC, Opts, ERPid, Config), + {ok,Data} = file:read_file(SuiteLog), + Lines = binary:split(Data, <<"\n">>, [global]), + {ok,RE} = re:compile("(\\S+):(\\S+)$"), + Cases0 = [begin + {match,[M,F]} = re:run(Case, RE, [{capture,all_but_first,list}]), + {list_to_atom(M),list_to_atom(F)} + end || <<"=case ",Case/binary>> <- Lines], + Cases = [MF || {_,F}=MF <- Cases0, + F =/= init_per_suite, + F =/= end_per_suite, + F =/= init_per_group, + F =/= end_per_group], + io:format("~p\n", [Cases]), + [] = verify_cases(events_to_check(TC), Cases, false), + ok. + +verify_cases([{parallel,P}|Ts], Cases0, Par) -> + Cases = verify_cases(P, Cases0, true), + verify_cases(Ts, Cases, Par); +verify_cases([{?eh,tc_done,{M,F,_}}|Ts], Cases0, false) -> + [{M,F}|Cases] = Cases0, + verify_cases(Ts, Cases, false); +verify_cases([{?eh,tc_done,{M,F,_}}|Ts], Cases0, true) -> + case lists:member({M,F}, Cases0) of + true -> + Cases = Cases0 -- [{M,F}], + verify_cases(Ts, Cases, true); + false -> + io:format("~p not found\n", [{M,F}]), + ?t:fail() + end; +verify_cases([{?eh,_,_}|Ts], Cases, Par) -> + verify_cases(Ts, Cases, Par); +verify_cases([], Cases, _) -> + Cases; +verify_cases([List|Ts], Cases0, Par) when is_list(List) -> + Cases = verify_cases(List, Cases0, false), + verify_cases(Ts, Cases, Par). + +%%%----------------------------------------------------------------- +%%% HELP FUNCTIONS +%%%----------------------------------------------------------------- + +setup(Test, Config) -> + Opts0 = ct_test_support:get_opts(Config), + Level = ?config(trace_level, Config), + EvHArgs = [{cbm,ct_test_support},{trace_level,Level}], + Opts = Opts0 ++ [{event_handler,{?eh,EvHArgs}}|Test], + ERPid = ct_test_support:start_event_receiver(Config), + {Opts,ERPid}. + +execute(Name, Opts, ERPid, Config) -> + ok = ct_test_support:run(Opts, Config), + Events = ct_test_support:get_events(ERPid, Config), + + ct_test_support:log_events(Name, + reformat(Events, ?eh), + ?config(priv_dir, Config), + Opts), + + TestEvents = events_to_check(Name), + ok = ct_test_support:verify_events(TestEvents, Events, Config), + {event,tc_logfile,_,{_,File}} = + lists:keyfind(tc_logfile, 2, [Ev || {?eh,Ev} <- Events]), + LogDir = filename:dirname(File), + filename:join(LogDir, "suite.log"). + +reformat(Events, EH) -> + ct_test_support:reformat(Events, EH). + +%%%----------------------------------------------------------------- +%%% TEST EVENTS +%%%----------------------------------------------------------------- + +events_to_check(_Test) -> + [{?eh,tc_done,{group_leader_SUITE,tc1,ok}}, + {parallel,[{?eh,tc_start,{group_leader_SUITE,p1}}, + {?eh,tc_done,{group_leader_SUITE,p1,ok}}, + {?eh,tc_start,{group_leader_SUITE,p2}}, + {?eh,tc_done,{group_leader_SUITE,p2,ok}}]}, + {?eh,tc_done,{group_leader_SUITE,p_restart_my_io_server,ok}}, + {?eh,tc_done,{group_leader_SUITE,p3,ok}}, + {parallel,[ + {?eh,tc_start,{group_leader_SUITE,p10}}, + {?eh,tc_start,{group_leader_SUITE,p11}}, + {?eh,tc_done,{group_leader_SUITE,p10,ok}}, + {?eh,tc_done,{group_leader_SUITE,p11,ok}}, + [{?eh,tc_done,{group_leader_SUITE,s1,ok}}, + {?eh,tc_done,{group_leader_SUITE,s2,ok}}, + {?eh,tc_done,{group_leader_SUITE,s3,ok}}], + {?eh,tc_start,{group_leader_SUITE,p12}}, + {?eh,tc_done,{group_leader_SUITE,p12,ok}}, + [{?eh,tc_done,{group_leader_SUITE,s4,ok}}, + {?eh,tc_done,{group_leader_SUITE,s5,ok}}], + {?eh,tc_start,{group_leader_SUITE,p13}}, + {?eh,tc_done,{group_leader_SUITE,p13,ok}} ]}, + {?eh,tc_done,{group_leader_SUITE,cap1,ok}}, + {?eh,tc_done,{group_leader_SUITE,cap2,ok}}, + {parallel,[{?eh,tc_start,{group_leader_SUITE,cap1}}, + {?eh,tc_done,{group_leader_SUITE,cap1,ok}}, + {?eh,tc_start,{group_leader_SUITE,cap2}}, + {?eh,tc_done,{group_leader_SUITE,cap2,ok}}]}, + {?eh,test_done,{'DEF','STOP_TIME'}}, + {?eh,stop_logging,[]} + ]. diff --git a/lib/common_test/test/ct_group_leader_SUITE_data/group_leader_SUITE.erl b/lib/common_test/test/ct_group_leader_SUITE_data/group_leader_SUITE.erl new file mode 100644 index 0000000000..3f1844b4ae --- /dev/null +++ b/lib/common_test/test/ct_group_leader_SUITE_data/group_leader_SUITE.erl @@ -0,0 +1,252 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2012. 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(group_leader_SUITE). + +-compile(export_all). + +-include_lib("common_test/include/ct.hrl"). + +%%-------------------------------------------------------------------- +%% @spec suite() -> Info +%% Info = [tuple()] +%% @end +%%-------------------------------------------------------------------- +suite() -> + [{timetrap,{seconds,10}}]. + +%%-------------------------------------------------------------------- +%% @spec init_per_suite(Config0) -> +%% Config1 | {skip,Reason} | {skip_and_save,Reason,Config1} +%% Config0 = Config1 = [tuple()] +%% Reason = term() +%% @end +%%-------------------------------------------------------------------- +init_per_suite(Config) -> + start_my_io_server(), + Config. + +%%-------------------------------------------------------------------- +%% @spec end_per_suite(Config0) -> void() | {save_config,Config1} +%% Config0 = Config1 = [tuple()] +%% @end +%%-------------------------------------------------------------------- +end_per_suite(_Config) -> + my_io_server ! die, + ok. + +%%-------------------------------------------------------------------- +%% @spec init_per_group(GroupName, Config0) -> +%% Config1 | {skip,Reason} | {skip_and_save,Reason,Config1} +%% GroupName = atom() +%% Config0 = Config1 = [tuple()] +%% Reason = term() +%% @end +%%-------------------------------------------------------------------- +init_per_group(_GroupName, Config) -> + Config. + +%%-------------------------------------------------------------------- +%% @spec end_per_group(GroupName, Config0) -> +%% void() | {save_config,Config1} +%% GroupName = atom() +%% Config0 = Config1 = [tuple()] +%% @end +%%-------------------------------------------------------------------- +end_per_group(_GroupName, _Config) -> + ok. + +%%-------------------------------------------------------------------- +%% @spec init_per_testcase(TestCase, Config0) -> +%% Config1 | {skip,Reason} | {skip_and_save,Reason,Config1} +%% TestCase = atom() +%% Config0 = Config1 = [tuple()] +%% Reason = term() +%% @end +%%-------------------------------------------------------------------- +init_per_testcase(_TestCase, Config) -> + Config. + +%%-------------------------------------------------------------------- +%% @spec end_per_testcase(TestCase, Config0) -> +%% void() | {save_config,Config1} | {fail,Reason} +%% TestCase = atom() +%% Config0 = Config1 = [tuple()] +%% Reason = term() +%% @end +%%-------------------------------------------------------------------- +end_per_testcase(_TestCase, _Config) -> + ok. + +%%-------------------------------------------------------------------- +%% @spec groups() -> [Group] +%% Group = {GroupName,Properties,GroupsAndTestCases} +%% GroupName = atom() +%% Properties = [parallel | sequence | Shuffle | {RepeatType,N}] +%% GroupsAndTestCases = [Group | {group,GroupName} | TestCase] +%% TestCase = atom() +%% Shuffle = shuffle | {shuffle,{integer(),integer(),integer()}} +%% RepeatType = repeat | repeat_until_all_ok | repeat_until_all_fail | +%% repeat_until_any_ok | repeat_until_any_fail +%% N = integer() | forever +%% @end +%%-------------------------------------------------------------------- +groups() -> + [{p,[parallel],[p1,p2]}, + {p_restart,[parallel],[p_restart_my_io_server]}, + {seq,[],[s1,s2,s3]}, + {seq2,[],[s4,s5]}, + {seq_in_par,[parallel],[p10,p11,{group,seq},p12,{group,seq2},p13]}, + {capture_io,[parallel],[cap1,cap2]}]. + +%%-------------------------------------------------------------------- +%% @spec all() -> GroupsAndTestCases | {skip,Reason} +%% GroupsAndTestCases = [{group,GroupName} | TestCase] +%% GroupName = atom() +%% TestCase = atom() +%% Reason = term() +%% @end +%%-------------------------------------------------------------------- +all() -> + [tc1,{group,p},{group,p_restart},p3, + {group,seq_in_par}, + cap1,cap2, + {group,capture_io}]. + +tc1(_C) -> + ok. + +p1(_) -> + %% OTP-10101: + %% + %% External apps/processes started by init_per_suite (common operation), + %% will inherit the group leader of the init_per_suite process, i.e. the + %% test_server test case control process (executing run_test_case_msgloop/7). + %% If, later, a parallel test case triggers the external app to print with + %% e.g. io:format() (also common operation), the calling process will hang! + %% The reason for this is that a parallel test case has a dedicated IO + %% server process, other than the central test case control process. The + %% latter process is not executing run_test_case_msgloop/7 and will not + %% respond to IO messages. The process is still group leader for the + %% external app, however, which is wrong. It's the IO process for the + %% parallel test case that should be group leader - but only for the + %% particular invokation, since other parallel test cases could be + %% invoking the external app too. + print("hej\n"). + +p2(_) -> + print("hopp\n"). + +p_restart_my_io_server(_) -> + %% Restart the IO server and change its group leader. This used + %% to set to the group leader to a process that would soon die. + Ref = erlang:monitor(process, my_io_server), + my_io_server ! die, + receive + {'DOWN',Ref,_,_,_} -> + start_my_io_server() + end. + +p3(_) -> + %% OTP-10125. This would crash since the group leader process + %% for the my_io_server had died. + print("hoppsan\n"). + +print(String) -> + my_io_server ! {print,self(),String}, + receive + {printed,String} -> + ok + end. + +start_my_io_server() -> + Parent = self(), + Pid = spawn(fun() -> my_io_server(Parent) end), + receive + {Pid,started} -> + io:format("~p\n", [process_info(Pid)]), + ok + end. + +my_io_server(Parent) -> + register(my_io_server, self()), + Parent ! {self(),started}, + my_io_server_loop(). + +my_io_server_loop() -> + receive + {print,From,String} -> + io:put_chars(String), + From ! {printed,String}, + my_io_server_loop(); + die -> + ok + end. + +p10(_) -> + receive after 1 -> ok end. + +p11(_) -> + ok. + +p12(_) -> + ok. + +p13(_) -> + ok. + +s1(_) -> + ok. + +s2(_) -> + ok. + +s3(_) -> + ok. + +s4(_) -> + ok. + +s5(_) -> + ok. + +cap1(_) -> + ct:capture_start(), + IO = gen_io(cap1, 10, []), + ct:capture_stop(), + IO = ct:capture_get(), + ok. + +cap2(_) -> + ct:capture_start(), + {Pid,Ref} = spawn_monitor(fun() -> + exit(gen_io(cap2, 42, [])) + end), + receive + {'DOWN',Ref,process,Pid,IO} -> + ct:capture_stop(), + IO = ct:capture_get(), + ok + end. + +gen_io(_, 0, Acc) -> + lists:reverse(Acc); +gen_io(Label, N, Acc) -> + S = lists:flatten(io_lib:format("~s: ~p\n", [Label,N])), + io:put_chars(S), + gen_io(Label, N-1, [S|Acc]). |