%% %% %CopyrightBegin% %% %% Copyright Ericsson AB 2004-2011. 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% %% %%% @doc Common Test Framework callback module. %%% %%%
This module exports framework callback functions which are %%% called from the test_server.
-module(ct_framework). -export([init_tc/3, end_tc/3, end_tc/4, get_suite/2, report/2, warn/1]). -export([error_notification/4]). -export([get_logopts/0, format_comment/1, overview_html_header/1]). -export([error_in_suite/1, ct_init_per_group/2, ct_end_per_group/2]). -export([make_all_conf/3, make_conf/5]). -include("ct_event.hrl"). -include("ct_util.hrl"). %%%----------------------------------------------------------------- %%% @spec init_tc(Mod,Func,Args) -> {ok,NewArgs} | {error,Reason} | %%% {skip,Reason} | {auto_skip,Reason} %%% Mod = atom() %%% Func = atom() %%% Args = list() %%% NewArgs = list() %%% Reason = term() %%% %%% @doc Test server framework callback, called by the test_server %%% when a new test case is started. init_tc(Mod,Func,Config) -> %% check if previous testcase was interpreted and has left %% a "dead" trace window behind - if so, kill it case ct_util:get_testdata(interpret) of {What,kill,{TCPid,AttPid}} -> ct_util:kill_attached(TCPid,AttPid), ct_util:set_testdata({interpret,{What,kill,{undefined,undefined}}}); _ -> ok end, %% check if we need to add defaults explicitly because %% there's no init_per_suite exported from Mod {InitFailed,DoInit} = case ct_util:get_testdata(curr_tc) of {Mod,{suite0_failed,_}=Failure} -> {Failure,false}; {Mod,_} -> {false,false}; _ when Func == init_per_suite -> {false,false}; _ -> {false,true} end, case InitFailed of false -> ct_util:set_testdata({curr_tc,{Mod,Func}}), case ct_util:read_suite_data({seq,Mod,Func}) of undefined -> init_tc1(Mod,Func,Config,DoInit); Seq when is_atom(Seq) -> case ct_util:read_suite_data({seq,Mod,Seq}) of [Func|TCs] -> % this is the 1st case in Seq %% make sure no cases in this seq are marked as failed %% from an earlier execution in the same suite lists:foreach(fun(TC) -> ct_util:save_suite_data({seq,Mod,TC},Seq) end, TCs); _ -> ok end, init_tc1(Mod,Func,Config,DoInit); {failed,Seq,BadFunc} -> {skip,{sequence_failed,Seq,BadFunc}} end; {_,{require,Reason}} -> {skip,{require_failed_in_suite0,Reason}}; _ -> {skip,InitFailed} end. init_tc1(Mod,Func,[Config0],DoInit) when is_list(Config0) -> Config1 = case ct_util:read_suite_data(last_saved_config) of {{Mod,LastFunc},SavedConfig} -> % last testcase [{saved_config,{LastFunc,SavedConfig}} | lists:keydelete(saved_config,1,Config0)]; {{LastSuite,InitOrEnd},SavedConfig} when InitOrEnd == init_per_suite ; InitOrEnd == end_per_suite -> %% last suite [{saved_config,{LastSuite,SavedConfig}} | lists:keydelete(saved_config,1,Config0)]; undefined -> lists:keydelete(saved_config,1,Config0) end, ct_util:delete_suite_data(last_saved_config), Config = lists:keydelete(watchdog,1,Config1), if Func /= init_per_suite, DoInit /= true -> ok; true -> %% delete all default values used in previous suite ct_config:delete_default_config(suite), %% release all name -> key bindings (once per suite) ct_config:release_allocated() end, TestCaseInfo = case catch apply(Mod,Func,[]) of Result when is_list(Result) -> Result; _ -> [] end, %% clear all config data default values set by previous %% testcase info function (these should only survive the %% testcase, not the whole suite) ct_config:delete_default_config(testcase), case add_defaults(Mod,Func,TestCaseInfo,DoInit) of Error = {suite0_failed,_} -> ct_logs:init_tc(), FuncSpec = group_or_func(Func,Config0), ct_event:notify(#event{name=tc_start, node=node(), data={Mod,FuncSpec}}), ct_util:set_testdata({curr_tc,{Mod,Error}}), {error,Error}; {SuiteInfo,MergeResult} -> case MergeResult of {error,Reason} when DoInit == false -> ct_logs:init_tc(), FuncSpec = group_or_func(Func,Config0), ct_event:notify(#event{name=tc_start, node=node(), data={Mod,FuncSpec}}), {skip,Reason}; _ -> init_tc2(Mod,Func,SuiteInfo,MergeResult,Config,DoInit) end end; init_tc1(_Mod,_Func,Args,_DoInit) -> {ok,Args}. init_tc2(Mod,Func,SuiteInfo,MergeResult,Config,DoInit) -> %% if first testcase fails when there's no init_per_suite %% we must do suite/0 configurations before skipping test MergedInfo = case MergeResult of {error,_} when DoInit == true -> SuiteInfo; _ -> MergeResult end, %% timetrap must be handled before require MergedInfo1 = timetrap_first(MergedInfo, [], []), %% tell logger to use specified style sheet case lists:keysearch(stylesheet,1,MergedInfo++Config) of {value,{stylesheet,SSFile}} -> ct_logs:set_stylesheet(Func,add_data_dir(SSFile,Config)); _ -> case ct_util:get_testdata(stylesheet) of undefined -> ct_logs:clear_stylesheet(Func); SSFile -> ct_logs:set_stylesheet(Func,SSFile) end end, %% suppress output for connections (Conns is a %% list of {Type,Bool} tuples, e.g. {telnet,true}), case ct_util:get_overridden_silenced_connections() of undefined -> case lists:keysearch(silent_connections,1,MergedInfo++Config) of {value,{silent_connections,Conns}} -> ct_util:silence_connections(Conns); _ -> ok end; Conns -> ct_util:silence_connections(Conns) end, ct_logs:init_tc(), FuncSpec = group_or_func(Func,Config), ct_event:notify(#event{name=tc_start, node=node(), data={Mod,FuncSpec}}), case configure(MergedInfo1,MergedInfo1,SuiteInfo,{Func,DoInit},Config) of {suite0_failed,Reason} -> ct_util:set_testdata({curr_tc,{Mod,{suite0_failed,{require,Reason}}}}), {skip,{require_failed_in_suite0,Reason}}; {error,Reason} -> {auto_skip,{require_failed,Reason}}; {ok, FinalConfig} -> case MergeResult of {error,Reason} -> %% suite0 configure finished now, report that %% first test case actually failed {skip,Reason}; _ -> case get('$test_server_framework_test') of undefined -> ct_suite_init(Mod, FuncSpec, FinalConfig); Fun -> case Fun(init_tc, FinalConfig) of NewConfig when is_list(NewConfig) -> {ok,NewConfig}; Else -> Else end end end end. ct_suite_init(Mod, Func, [Config]) when is_list(Config) -> case ct_hooks:init_tc( Mod, Func, Config) of NewConfig when is_list(NewConfig) -> {ok, [NewConfig]}; Else -> Else end. add_defaults(Mod,Func,FuncInfo,DoInit) -> case (catch Mod:suite()) of {'EXIT',{undef,_}} -> SuiteInfo = merge_with_suite_defaults(Mod,[]), SuiteInfoNoCTH = [I || I <- SuiteInfo, element(1,I) =/= ct_hooks], case add_defaults1(Mod,Func,FuncInfo,SuiteInfoNoCTH,DoInit) of Error = {error,_} -> {SuiteInfo,Error}; MergedInfo -> {SuiteInfo,MergedInfo} end; {'EXIT',Reason} -> ErrStr = io_lib:format("~n*** ERROR *** " "~w:suite/0 failed: ~p~n", [Mod,Reason]), io:format(ErrStr, []), io:format(user, ErrStr, []), {suite0_failed,{exited,Reason}}; SuiteInfo when is_list(SuiteInfo) -> case lists:all(fun(E) when is_tuple(E) -> true; (_) -> false end, SuiteInfo) of true -> SuiteInfo1 = merge_with_suite_defaults(Mod,SuiteInfo), SuiteInfoNoCTH = [I || I <- SuiteInfo1, element(1,I) =/= ct_hooks], case add_defaults1(Mod,Func,FuncInfo, SuiteInfoNoCTH,DoInit) of Error = {error,_} -> {SuiteInfo1,Error}; MergedInfo -> {SuiteInfo1,MergedInfo} end; false -> ErrStr = io_lib:format("~n*** ERROR *** " "Invalid return value from " "~w:suite/0: ~p~n", [Mod,SuiteInfo]), io:format(ErrStr, []), io:format(user, ErrStr, []), {suite0_failed,bad_return_value} end; SuiteInfo -> ErrStr = io_lib:format("~n*** ERROR *** " "Invalid return value from " "~w:suite/0: ~p~n", [Mod,SuiteInfo]), io:format(ErrStr, []), io:format(user, ErrStr, []), {suite0_failed,bad_return_value} end. add_defaults1(_Mod,init_per_suite,[],SuiteInfo,_DoInit) -> SuiteInfo; add_defaults1(Mod,Func,FuncInfo,SuiteInfo,DoInit) -> %% mustn't re-require suite variables in test case info function, %% can result in weird behaviour (suite values get overwritten) SuiteReqs = [SDDef || SDDef <- SuiteInfo, ((require == element(1,SDDef)) or (default_config == element(1,SDDef)))], FuncReqs = [FIDef || FIDef <- FuncInfo, require == element(1,FIDef)], case [element(2,Clash) || Clash <- SuiteReqs, require == element(1, Clash), true == lists:keymember(element(2,Clash),2, FuncReqs)] of [] -> add_defaults2(Mod,Func,FuncInfo,SuiteInfo,SuiteReqs,DoInit); Clashes -> {error,{config_name_already_in_use,Clashes}} end. add_defaults2(Mod,init_per_suite,IPSInfo,SuiteInfo,SuiteReqs,false) -> %% not common practise to use a test case info function for %% init_per_suite (usually handled by suite/0), but let's support %% it just in case... add_defaults2(Mod,init_per_suite,IPSInfo,SuiteInfo,SuiteReqs,true); add_defaults2(_Mod,_Func,FuncInfo,SuiteInfo,_,false) -> %% include require elements from test case info, but not from suite/0 %% (since we've already required those vars) FuncInfo ++ [SFDef || SFDef <- SuiteInfo, require /= element(1,SFDef), false == lists:keymember(element(1,SFDef),1,FuncInfo)]; add_defaults2(_Mod,_Func,FuncInfo,SuiteInfo,SuiteReqs,true) -> %% We must include require elements from suite/0 here since %% there's no init_per_suite call before this first test case. %% Let other test case info elements override those from suite/0. FuncInfo ++ SuiteReqs ++ [SDDef || SDDef <- SuiteInfo, require /= element(1,SDDef), false == lists:keymember(element(1,SDDef),1,FuncInfo)]. merge_with_suite_defaults(Mod,SuiteInfo) -> case lists:keysearch(suite_defaults,1,Mod:module_info(attributes)) of {value,{suite_defaults,Defaults}} -> SDReqs = [SDDef || SDDef <- Defaults, require == element(1,SDDef), false == lists:keymember(element(2,SDDef),2, SuiteInfo)], SuiteInfo ++ SDReqs ++ [SDDef || SDDef <- Defaults, require /= element(1,SDDef), false == lists:keymember(element(1,SDDef),1, SuiteInfo)]; false -> SuiteInfo end. timetrap_first([Trap = {timetrap,_} | Rest],Info,Found) -> timetrap_first(Rest,Info,[Trap | Found]); timetrap_first([Other | Rest],Info,Found) -> timetrap_first(Rest,[Other | Info],Found); timetrap_first([],Info,[]) -> [{timetrap,{minutes,30}} | lists:reverse(Info)]; timetrap_first([],Info,Found) -> lists:reverse(Found) ++ lists:reverse(Info). configure([{require,Required}|Rest],Info,SuiteInfo,Scope,Config) -> case ct:require(Required) of ok -> configure(Rest,Info,SuiteInfo,Scope,Config); Error = {error,Reason} -> case required_default('_UNDEF',Required,Info,SuiteInfo,Scope) of ok -> configure(Rest,Info,SuiteInfo,Scope,Config); _ -> case lists:keymember(Required,2,SuiteInfo) of true -> {suite0_failed,Reason}; false -> Error end end end; configure([{require,Name,Required}|Rest],Info,SuiteInfo,Scope,Config) -> case ct:require(Name,Required) of ok -> configure(Rest,Info,SuiteInfo,Scope,Config); Error = {error,Reason} -> case required_default(Name,Required,Info,SuiteInfo,Scope) of ok -> configure(Rest,Info,SuiteInfo,Scope,Config); _ -> case lists:keymember(Name,2,SuiteInfo) of true -> {suite0_failed,Reason}; false -> Error end end end; configure([{timetrap,off}|Rest],Info,SuiteInfo,Scope,Config) -> configure(Rest,Info,SuiteInfo,Scope,Config); configure([{timetrap,Time}|Rest],Info,SuiteInfo,Scope,Config) -> Dog = test_server:timetrap(Time), configure(Rest,Info,SuiteInfo,Scope,[{watchdog,Dog}|Config]); configure([{ct_hooks, Hook} | Rest], Info, SuiteInfo, Scope, Config) -> configure(Rest, Info, SuiteInfo, Scope, [{ct_hooks, Hook} | Config]); configure([_|Rest],Info,SuiteInfo,Scope,Config) -> configure(Rest,Info,SuiteInfo,Scope,Config); configure([],_,_,_,Config) -> {ok,[Config]}. %% the require element in Info may come from suite/0 and %% should be scoped 'suite', or come from the testcase info %% function and should then be scoped 'testcase' required_default(Name,Key,Info,SuiteInfo,{Func,true}) -> case try_set_default(Name,Key,SuiteInfo,suite) of ok -> ok; _ -> required_default(Name,Key,Info,[],{Func,false}) end; required_default(Name,Key,Info,_,{init_per_suite,_}) -> try_set_default(Name,Key,Info,suite); required_default(Name,Key,Info,_,_) -> try_set_default(Name,Key,Info,testcase). try_set_default(Name,Key,Info,Where) -> CfgElems = case lists:keysearch(Name,1,Info) of {value,{Name,Val}} -> [Val]; false -> case catch [{Key,element(3,Elem)} || Elem <- Info, element(1,Elem)==default_config, element(2,Elem)==Key] of {'EXIT',_} -> []; Result -> Result end end, case {Name,CfgElems} of {_,[]} -> no_default; {'_UNDEF',_} -> [ct_config:set_default_config([CfgVal],Where) || CfgVal <- CfgElems], ok; _ -> [ct_config:set_default_config(Name,[CfgVal],Where) || CfgVal <- CfgElems], ok end. %%%----------------------------------------------------------------- %%% @spec end_tc(Mod,Func,Args) -> {ok,NewArgs}| {error,Reason} | %%% {skip,Reason} | {auto_skip,Reason} %%% Mod = atom() %%% Func = atom() %%% Args = list() %%% NewArgs = list() %%% Reason = term() %%% %%% @doc Test server framework callback, called by the test_server %%% when a test case is finished. end_tc(Mod, Fun, Args) -> %% Have to keep end_tc/3 for backwards compatibility issues end_tc(Mod, Fun, Args, '$end_tc_dummy'). end_tc(?MODULE,error_in_suite,_, _) -> % bad start! ok; end_tc(Mod,Func,{TCPid,Result,[Args]}, Return) when is_pid(TCPid) -> end_tc(Mod,Func,TCPid,Result,Args,Return); end_tc(Mod,Func,{Result,[Args]}, Return) -> end_tc(Mod,Func,self(),Result,Args,Return). end_tc(Mod,Func,TCPid,Result,Args,Return) -> case lists:keysearch(watchdog,1,Args) of {value,{watchdog,Dog}} -> test_server:timetrap_cancel(Dog); false -> ok end, %% save the testcase process pid so that it can be used %% to look up the attached trace window later case ct_util:get_testdata(interpret) of {What,kill,_} -> AttPid = ct_util:get_attached(self()), ct_util:set_testdata({interpret,{What,kill,{self(),AttPid}}}); _ -> ok end, ct_util:delete_testdata(comment), ct_util:delete_suite_data(last_saved_config), FuncSpec = case group_or_func(Func,Args) of {_,GroupName,_Props} = Group -> case lists:keysearch(save_config,1,Args) of {value,{save_config,SaveConfig}} -> ct_util:save_suite_data( last_saved_config, {Mod,{group,GroupName}}, SaveConfig), Group; false -> Group end; _ -> case lists:keysearch(save_config,1,Args) of {value,{save_config,SaveConfig}} -> ct_util:save_suite_data(last_saved_config, {Mod,Func},SaveConfig), Func; false -> Func end end, ct_util:reset_silent_connections(), case get('$test_server_framework_test') of undefined -> {FinalResult,FinalNotify} = case ct_hooks:end_tc( Mod, FuncSpec, Args, Result, Return) of '$ct_no_change' -> {ok,Result}; FinalResult1 -> {FinalResult1,FinalResult1} end, % send sync notification so that event handlers may print % in the log file before it gets closed ct_event:sync_notify(#event{name=tc_done, node=node(), data={Mod,FuncSpec, tag_cth(FinalNotify)}}); Fun -> % send sync notification so that event handlers may print % in the log file before it gets closed ct_event:sync_notify(#event{name=tc_done, node=node(), data={Mod,FuncSpec,tag(Result)}}), FinalResult = Fun(end_tc, Return) end, case FinalResult of {skip,{sequence_failed,_,_}} -> %% ct_logs:init_tc is never called for a skipped test case %% in a failing sequence, so neither should end_tc ok; _ -> case ct_logs:end_tc(TCPid) of {error,Reason} -> exit({error,{logger,Reason}}); _ -> ok end end, case Func of end_per_suite -> ct_util:match_delete_suite_data({seq,Mod,'_'}); _ -> ok end, FinalResult. %% {error,Reason} | {skip,Reason} | {timetrap_timeout,TVal} | %% {testcase_aborted,Reason} | testcase_aborted_or_killed | %% {'EXIT',Reason} | Other (ignored return value, e.g. 'ok') tag({STag,Reason}) when STag == skip; STag == skipped -> {skipped,Reason}; tag(E = {ETag,_}) when ETag == error; ETag == 'EXIT'; ETag == timetrap_timeout; ETag == testcase_aborted -> {failed,E}; tag(E = testcase_aborted_or_killed) -> {failed,E}; tag(Other) -> Other. tag_cth({STag,Reason}) when STag == skip; STag == skipped -> {skipped,Reason}; tag_cth({fail, Reason}) -> {failed, {error,Reason}}; tag_cth(E = {ETag,_}) when ETag == error; ETag == 'EXIT'; ETag == timetrap_timeout; ETag == testcase_aborted -> {failed,E}; tag_cth(E = testcase_aborted_or_killed) -> {failed,E}; tag_cth(List) when is_list(List) -> ok; tag_cth(Other) -> Other. %%%----------------------------------------------------------------- %%% @spec error_notification(Mod,Func,Args,Error) -> ok %%% Mod = atom() %%% Func = atom() %%% Args = list() %%% Error = term() %%% %%% @doc This function is called as the result of testcase %%%Func
in suite Mod
crashing.
%%% Error
specifies the reason for failing.
error_notification(Mod,Func,_Args,{Error,Loc}) ->
ErrSpec = case Error of
{What={_E,_R},Trace} when is_list(Trace) ->
What;
What ->
What
end,
ErrStr = case ErrSpec of
{badmatch,Descr} ->
Descr1 = lists:flatten(io_lib:format("~P",[Descr,10])),
if length(Descr1) > 50 ->
Descr2 = string:substr(Descr1,1,50),
io_lib:format("{badmatch,~s...}",[Descr2]);
true ->
io_lib:format("{badmatch,~s}",[Descr1])
end;
{test_case_failed,Reason} ->
case (catch io_lib:format("{test_case_failed,~s}", [Reason])) of
{'EXIT',_} ->
io_lib:format("{test_case_failed,~p}", [Reason]);
Result -> Result
end;
{Spec,_Reason} when is_atom(Spec) ->
io_lib:format("~w", [Spec]);
Other ->
io_lib:format("~P", [Other,5])
end,
ErrorHtml = "" ++ ErrStr ++ "",
case {Mod,Error} of
%% some notifications come from the main test_server process
%% and for these cases the existing comment may not be modified
{_,{timetrap_timeout,_TVal}} ->
ok;
{_,{testcase_aborted,_Info}} ->
ok;
{_,testcase_aborted_or_killed} ->
ok;
{undefined,_OtherError} ->
ok;
_ ->
%% this notification comes from the test case process, so
%% we can add error info to comment with test_server:comment/1
case ct_util:get_testdata(comment) of
undefined ->
test_server:comment(ErrorHtml);
Comment ->
CommentHtml =
"" ++ "(" ++ ""
++ Comment ++
"" ++ ")" ++ "",
Str = io_lib:format("~s ~s", [ErrorHtml,CommentHtml]),
test_server:comment(Str)
end
end,
io:format(user, "~n- - - - - - - - - - - - - - - - "
"- - - - - - - - - -~n", []),
case Loc of
%% we don't use the line parse transform as we compile this
%% module so location will be on form {M,F}
[{?MODULE,error_in_suite}] ->
io:format(user, "Error in suite detected: ~s", [ErrStr]);
R when R == unknown; R == undefined ->
io:format(user, "Error detected: ~s", [ErrStr]);
%% if a function specified by all/0 does not exist, we
%% pick up undef here
[{LastMod,LastFunc}] ->
io:format(user, "~w:~w could not be executed~n",
[LastMod,LastFunc]),
io:format(user, "Reason: ~s", [ErrStr]);
[{LastMod,LastFunc,LastLine}|_] ->
%% print error to console, we are only
%% interested in the last executed expression
io:format(user, "~w:~w failed on line ~w~n",
[LastMod,LastFunc,LastLine]),
io:format(user, "Reason: ~s", [ErrStr]),
case ct_util:read_suite_data({seq,Mod,Func}) of
undefined ->
ok;
Seq ->
SeqTCs = ct_util:read_suite_data({seq,Mod,Seq}),
mark_as_failed(Seq,Mod,Func,SeqTCs)
end
end,
io:format(user, "~n- - - - - - - - - - - - - - - - "
"- - - - - - - - - -~n~n", []),
ok.
%% cases in seq that have already run
mark_as_failed(Seq,Mod,Func,[Func|TCs]) ->
mark_as_failed1(Seq,Mod,Func,TCs);
mark_as_failed(Seq,Mod,Func,[_TC|TCs]) ->
mark_as_failed(Seq,Mod,Func,TCs);
mark_as_failed(_,_,_,[]) ->
ok;
mark_as_failed(_,_,_,undefined) ->
ok.
%% mark rest of cases in seq to be skipped
mark_as_failed1(Seq,Mod,Func,[TC|TCs]) ->
ct_util:save_suite_data({seq,Mod,TC},{failed,Seq,Func}),
mark_as_failed1(Seq,Mod,Func,TCs);
mark_as_failed1(_,_,_,[]) ->
ok.
group_or_func(Func, Config) when Func == init_per_group;
Func == end_per_group ->
case proplists:get_value(tc_group_properties,Config) of
undefined ->
{Func,unknown,[]};
GrProps ->
GrName = proplists:get_value(name,GrProps),
{Func,GrName,proplists:delete(name,GrProps)}
end;
group_or_func(Func, _Config) ->
Func.
%%%-----------------------------------------------------------------
%%% @spec get_suite(Mod, Func) -> Tests
%%%
%%% @doc Called from test_server for every suite (Func==all
)
%%% and every test case. If the former, all test cases in the suite
%%% should be returned.
get_suite(Mod, all) ->
case catch apply(Mod, groups, []) of
{'EXIT',_} ->
get_all(Mod, []);
GroupDefs when is_list(GroupDefs) ->
case catch find_groups(Mod, all, all, GroupDefs) of
{error,_} = Error ->
%% this makes test_server call error_in_suite as first
%% (and only) test case so we can report Error properly
[{?MODULE,error_in_suite,[[Error]]}];
ConfTests ->
get_all(Mod, ConfTests)
end;
_ ->
E = "Bad return value from "++atom_to_list(Mod)++":groups/0",
[{?MODULE,error_in_suite,[[{error,list_to_atom(E)}]]}]
end;
%%!============================================================
%%! Note: The handling of sequences in get_suite/2 and get_all/2
%%! is deprecated and should be removed at some point...
%%!============================================================
%% group
get_suite(Mod, Group={conf,Props,_Init,TCs,_End}) ->
Name = proplists:get_value(name, Props),
case catch apply(Mod, groups, []) of
{'EXIT',_} ->
[Group];
GroupDefs when is_list(GroupDefs) ->
case catch find_groups(Mod, Name, TCs, GroupDefs) of
{error,_} = Error ->
%% this makes test_server call error_in_suite as first
%% (and only) test case so we can report Error properly
[{?MODULE,error_in_suite,[[Error]]}];
[] ->
[];
ConfTests ->
case lists:member(skipped, Props) of
true ->
%% a *subgroup* specified *only* as skipped (and not
%% as an explicit test) should not be returned, or
%% init/end functions for top groups will be executed
case catch proplists:get_value(name, element(2, hd(ConfTests))) of
Name -> % top group
delete_subs(ConfTests, ConfTests);
_ ->
[]
end;
false ->
delete_subs(ConfTests, ConfTests)
end
end;
_ ->
E = "Bad return value from "++atom_to_list(Mod)++":groups/0",
[{?MODULE,error_in_suite,[[{error,list_to_atom(E)}]]}]
end;
%% testcase
get_suite(Mod, Name) ->
get_seq(Mod, Name).
%%%-----------------------------------------------------------------
find_groups(Mod, Name, TCs, GroupDefs) ->
Found = find(Mod, Name, TCs, GroupDefs, [], GroupDefs, false),
trim(Found).
find(Mod, all, _TCs, [{Name,Props,Tests} | Gs], Known, Defs, _)
when is_atom(Name), is_list(Props), is_list(Tests) ->
cyclic_test(Mod, Name, Known),
[make_conf(Mod, Name, Props,
find(Mod, all, all, Tests, [Name | Known], Defs, true)) |
find(Mod, all, all, Gs, [], Defs, true)];
find(Mod, Name, TCs, [{Name,Props,Tests} | _Gs], Known, Defs, false)
when is_atom(Name), is_list(Props), is_list(Tests) ->
cyclic_test(Mod, Name, Known),
case TCs of
all ->
[make_conf(Mod, Name, Props,
find(Mod, Name, TCs, Tests, [Name | Known], Defs, true))];
_ ->
Tests1 = [TC || TC <- TCs,
lists:member(TC, Tests) == true],
[make_conf(Mod, Name, Props, Tests1)]
end;
find(Mod, Name, TCs, [{Name1,Props,Tests} | Gs], Known, Defs, false)
when is_atom(Name1), is_list(Props), is_list(Tests) ->
cyclic_test(Mod, Name1, Known),
[make_conf(Mod,Name1,Props,
find(Mod, Name, TCs, Tests, [Name1 | Known], Defs, false)) |
find(Mod, Name, TCs, Gs, [], Defs, false)];
find(Mod, Name, _TCs, [{Name,_Props,_Tests} | _Gs], _Known, _Defs, true)
when is_atom(Name) ->
E = "Duplicate groups named "++atom_to_list(Name)++" in "++
atom_to_list(Mod)++":groups/0",
throw({error,list_to_atom(E)});
find(Mod, Name, all, [{Name1,Props,Tests} | Gs], Known, Defs, true)
when is_atom(Name1), is_list(Props), is_list(Tests) ->
cyclic_test(Mod, Name1, Known),
[make_conf(Mod, Name1, Props,
find(Mod, Name, all, Tests, [Name1 | Known], Defs, true)) |
find(Mod, Name, all, Gs, [], Defs, true)];
find(Mod, Name, TCs, [{group,Name1} | Gs], Known, Defs, Found)
when is_atom(Name1) ->
find(Mod, Name, TCs, [expand(Mod, Name1, Defs) | Gs], Known, Defs, Found);
%% Undocumented remote group feature, use with caution
find(Mod, Name, TCs, [{group, ExtMod, ExtGrp} | Gs], Known, Defs, true)
when is_atom(ExtMod), is_atom(ExtGrp) ->
ExternalDefs = ExtMod:groups(),
ExternalTCs = find(ExtMod, ExtGrp, TCs, [{group, ExtGrp}],
[], ExternalDefs, false),
ExternalTCs ++ find(Mod, Name, TCs, Gs, Known, Defs, true);
find(Mod, Name, TCs, [{Name1,Tests} | Gs], Known, Defs, Found)
when is_atom(Name1), is_list(Tests) ->
find(Mod, Name, TCs, [{Name1,[],Tests} | Gs], Known, Defs, Found);
find(Mod, Name, TCs, [_TC | Gs], Known, Defs, false) ->
find(Mod, Name, TCs, Gs, Known, Defs, false);
find(Mod, Name, TCs, [TC | Gs], Known, Defs, true) when is_atom(TC) ->
[{Mod, TC} | find(Mod, Name, TCs, Gs, Known, Defs, true)];
find(Mod, Name, TCs, [{ExternalTC, Case} = TC | Gs], Known, Defs, true)
when is_atom(ExternalTC),
is_atom(Case) ->
[TC | find(Mod, Name, TCs, Gs, Known, Defs, true)];
find(Mod, _Name, _TCs, [BadTerm | _Gs], Known, _Defs, _Found) ->
Where = if length(Known) == 0 ->
atom_to_list(Mod)++":groups/0";
true ->
"group "++atom_to_list(lists:last(Known))++
" in "++atom_to_list(Mod)++":groups/0"
end,
Term = io_lib:format("~p", [BadTerm]),
E = "Bad term "++lists:flatten(Term)++" in "++Where,
throw({error,list_to_atom(E)});
find(_Mod, _Name, _TCs, [], _Known, _Defs, false) ->
['$NOMATCH'];
find(_Mod, _Name, _TCs, [], _Known, _Defs, _Found) ->
[].
delete_subs([{conf, _,_,_,_} = Conf | Confs], All) ->
All1 = delete_conf(Conf, All),
case is_sub(Conf, All1) of
true ->
delete_subs(Confs, All1);
false ->
delete_subs(Confs, All)
end;
delete_subs([_Else | Confs], All) ->
delete_subs(Confs, All);
delete_subs([], All) ->
All.
delete_conf({conf,Props,_,_,_}, Confs) ->
Name = proplists:get_value(name, Props),
[Conf || Conf = {conf,Props0,_,_,_} <- Confs,
Name =/= proplists:get_value(name, Props0)].
is_sub({conf,Props,_,_,_}=Conf, [{conf,_,_,Tests,_} | Confs]) ->
Name = proplists:get_value(name, Props),
case lists:any(fun({conf,Props0,_,_,_}) ->
case proplists:get_value(name, Props0) of
N when N == Name ->
true;
_ ->
false
end;
(_) ->
false
end, Tests) of
true ->
true;
false ->
is_sub(Conf, Tests) or is_sub(Conf, Confs)
end;
is_sub(Conf, [_TC | Tests]) ->
is_sub(Conf, Tests);
is_sub(_Conf, []) ->
false.
trim(['$NOMATCH' | Tests]) ->
trim(Tests);
trim([{conf,Props,Init,Tests,End} | Confs]) ->
case trim(Tests) of
[] ->
trim(Confs);
Trimmed ->
[{conf,Props,Init,Trimmed,End} | trim(Confs)]
end;
trim([TC | Tests]) ->
[TC | trim(Tests)];
trim([]) ->
[].
cyclic_test(Mod, Name, Names) ->
case lists:member(Name, Names) of
true ->
E = "Cyclic reference to group "++atom_to_list(Name)++
" in "++atom_to_list(Mod)++":groups/0",
throw({error,list_to_atom(E)});
false ->
ok
end.
expand(Mod, Name, Defs) ->
case lists:keysearch(Name, 1, Defs) of
{value,Def} ->
Def;
false ->
E = "Invalid group "++atom_to_list(Name)++
" in "++atom_to_list(Mod)++":groups/0",
throw({error,list_to_atom(E)})
end.
make_all_conf(Dir, Mod, _Props) ->
case code:is_loaded(Mod) of
false ->
code:load_abs(filename:join(Dir,atom_to_list(Mod)));
_ ->
ok
end,
make_all_conf(Mod).
make_all_conf(Mod) ->
case catch apply(Mod, groups, []) of
{'EXIT',_} ->
{error,{invalid_group_definition,Mod}};
GroupDefs when is_list(GroupDefs) ->
case catch find_groups(Mod, all, all, GroupDefs) of
{error,_} = Error ->
%% this makes test_server call error_in_suite as first
%% (and only) test case so we can report Error properly
[{?MODULE,error_in_suite,[[Error]]}];
[] ->
{error,{invalid_group_spec,Mod}};
ConfTests ->
[{conf,Props,Init,all,End} ||
{conf,Props,Init,_,End}
<- delete_subs(ConfTests, ConfTests)]
end
end.
make_conf(Dir, Mod, Name, Props, TestSpec) ->
case code:is_loaded(Mod) of
false ->
code:load_abs(filename:join(Dir,atom_to_list(Mod)));
_ ->
ok
end,
make_conf(Mod, Name, Props, TestSpec).
make_conf(Mod, Name, Props, TestSpec) ->
case code:is_loaded(Mod) of
false ->
code:load_file(Mod);
_ ->
ok
end,
{InitConf,EndConf} =
case erlang:function_exported(Mod,init_per_group,2) of
true ->
{{Mod,init_per_group},{Mod,end_per_group}};
false ->
{{?MODULE,ct_init_per_group},
{?MODULE,ct_end_per_group}}
end,
{conf,[{name,Name}|Props],InitConf,TestSpec,EndConf}.
%%%-----------------------------------------------------------------
get_all(Mod, ConfTests) ->
case catch apply(Mod, all, []) of
{'EXIT',_} ->
Reason =
list_to_atom(atom_to_list(Mod)++":all/0 is missing"),
%% this makes test_server call error_in_suite as first
%% (and only) test case so we can report Reason properly
[{?MODULE,error_in_suite,[[{error,Reason}]]}];
AllTCs when is_list(AllTCs) ->
case catch save_seqs(Mod,AllTCs) of
{error,What} ->
[{?MODULE,error_in_suite,[[{error,What}]]}];
SeqsAndTCs ->
%% expand group references in all() using ConfTests
case catch expand_groups(SeqsAndTCs, ConfTests, Mod) of
{error,_} = Error ->
[{?MODULE,error_in_suite,[[Error]]}];
Tests ->
delete_subs(Tests, Tests)
end
end;
Skip = {skip,_Reason} ->
Skip;
_ ->
Reason =
list_to_atom("Bad return value from "++atom_to_list(Mod)++":all/0"),
[{?MODULE,error_in_suite,[[{error,Reason}]]}]
end.
expand_groups([H | T], ConfTests, Mod) ->
[expand_groups(H, ConfTests, Mod) | expand_groups(T, ConfTests, Mod)];
expand_groups([], _ConfTests, _Mod) ->
[];
expand_groups({group,Name}, ConfTests, Mod) ->
FindConf =
fun({conf,Props,_,_,_}) ->
case proplists:get_value(name, Props) of
Name -> true;
_ -> false
end
end,
case lists:filter(FindConf, ConfTests) of
[ConfTest|_] ->
expand_groups(ConfTest, ConfTests, Mod);
[] ->
E = "Invalid reference to group "++
atom_to_list(Name)++" in "++
atom_to_list(Mod)++":all/0",
throw({error,list_to_atom(E)})
end;
expand_groups(SeqOrTC, _ConfTests, _Mod) ->
SeqOrTC.
%%!============================================================
%%! The support for sequences by means of using sequences/0
%%! will be removed in OTP R14. The code below is only kept
%%! for backwards compatibility. From OTP R13 groups with
%%! sequence property should be used instead!
%%!============================================================
%%!============================================================
%%! START OF DEPRECATED SUPPORT FOR SEQUENCES --->
get_seq(Mod, Func) ->
case ct_util:read_suite_data({seq,Mod,Func}) of
undefined ->
case catch apply(Mod,sequences,[]) of
{'EXIT',_} ->
[];
Seqs ->
case lists:keysearch(Func,1,Seqs) of
{value,{Func,SeqTCs}} ->
case catch save_seq(Mod,Func,SeqTCs) of
{error,What} ->
[{?MODULE,error_in_suite,[[{error,What}]]}];
_ ->
SeqTCs
end;
false ->
[]
end
end;
TCs when is_list(TCs) ->
TCs;
_ ->
[]
end.
save_seqs(Mod,AllTCs) ->
case lists:keymember(sequence,1,AllTCs) of
true ->
case catch apply(Mod,sequences,[]) of
{'EXIT',_} ->
Reason = list_to_atom(atom_to_list(Mod)++
":sequences/0 is missing"),
throw({error,Reason});
Seqs ->
save_seqs(Mod,AllTCs,Seqs,AllTCs)
end;
false ->
AllTCs
end.
save_seqs(Mod,[{sequence,Seq}|TCs],Seqs,All) ->
case lists:keysearch(Seq,1,Seqs) of
{value,{Seq,SeqTCs}} ->
save_seq(Mod,Seq,SeqTCs,All),
[Seq|save_seqs(Mod,TCs,Seqs,All)];
false ->
Reason = list_to_atom(
atom_to_list(Seq)++" is missing in "++
atom_to_list(Mod)),
throw({error,Reason})
end;
save_seqs(Mod,[TC|TCs],Seqs,All) ->
[TC|save_seqs(Mod,TCs,Seqs,All)];
save_seqs(_,[],_,_) ->
[].
save_seq(Mod,Seq,SeqTCs) ->
save_seq(Mod,Seq,SeqTCs,apply(Mod,all,[])).
save_seq(Mod,Seq,SeqTCs,All) ->
check_private(Seq,SeqTCs,All),
check_multiple(Mod,Seq,SeqTCs),
ct_util:save_suite_data({seq,Mod,Seq},SeqTCs),
lists:foreach(fun(TC) ->
ct_util:save_suite_data({seq,Mod,TC},Seq)
end, SeqTCs).
check_private(Seq,TCs,All) ->
Bad = lists:filter(fun(TC) -> lists:member(TC,All) end, TCs),
if Bad /= [] ->
Reason = io_lib:format("regular test cases not allowed in sequence ~p: "
"~p",[Seq,Bad]),
throw({error,list_to_atom(lists:flatten(Reason))});
true ->
ok
end.
check_multiple(Mod,Seq,TCs) ->
Bad = lists:filter(fun(TC) ->
case ct_util:read_suite_data({seq,Mod,TC}) of
Seq1 when Seq1 /= undefined, Seq1 /= Seq ->
true;
_ -> false
end
end,TCs),
if Bad /= [] ->
Reason = io_lib:format("test cases found in multiple sequences: "
"~p",[Bad]),
throw({error,list_to_atom(lists:flatten(Reason))});
true ->
ok
end.
%%! <--- END OF DEPRECATED SUPPORT FOR SEQUENCES
%%!============================================================
%% let test_server call this function as a testcase only so that
%% the user may see info about what's missing in the suite
error_in_suite(Config) ->
Reason = test_server:lookup_config(error,Config),
exit(Reason).
%% if the group config functions are missing in the suite,
%% use these instead
ct_init_per_group(GroupName, Config) ->
ct:comment(io_lib:format("start of ~p", [GroupName])),
ct_logs:log("WARNING", "init_per_group/2 for ~w missing "
"in suite, using default.",
[GroupName]),
Config.
ct_end_per_group(GroupName, _) ->
ct:comment(io_lib:format("end of ~p", [GroupName])),
ct_logs:log("WARNING", "end_per_group/2 for ~w missing "
"in suite, using default.",
[GroupName]),
ok.
%%%-----------------------------------------------------------------
%%% @spec report(What,Data) -> ok
report(What,Data) ->
case What of
loginfo ->
%% logfiles and direcories have been created for a test and the
%% top level test index page needs to be refreshed
TestName = filename:basename(proplists:get_value(topdir, Data), ".logs"),
RunDir = proplists:get_value(rundir, Data),
ct_logs:make_all_suites_index({TestName,RunDir}),
ok;
tests_start ->
case ct_util:get_testdata(cover) of
undefined ->
ok;
{_CovFile,_CovNodes,CovImport,CovExport,_CovAppData} ->
%% Always import cover data from files specified by CovImport
%% if no CovExport defined. If CovExport is defined, only
%% import from CovImport files initially, then use CovExport
%% to pass coverdata between proceeding tests (in the same run).
Imps =
case CovExport of
[] -> % don't export data between tests
CovImport;
_ ->
case filelib:is_file(CovExport) of
true ->
[CovExport];
false ->
CovImport
end
end,
lists:foreach(
fun(Imp) ->
case cover:import(Imp) of
ok ->
ok;
{error,Reason} ->
ct_logs:log("COVER INFO",
"Importing cover data from: ~s fails! "
"Reason: ~p", [Imp,Reason])
end
end, Imps)
end;
tests_done ->
ok;
tc_start ->
ok;
tc_done ->
{_Suite,Case,Result} = Data,
case Result of
{failed, _} ->
ct_hooks:on_tc_fail(What, Data);
{skipped,{failed,{_,init_per_testcase,_}}} ->
ct_hooks:on_tc_skip(tc_auto_skip, Data);
{skipped,{require_failed,_}} ->
ct_hooks:on_tc_skip(tc_auto_skip, Data);
{skipped,_} ->
ct_hooks:on_tc_skip(tc_user_skip, Data);
_Else ->
ok
end,
case {Case,Result} of
{init_per_suite,_} ->
ok;
{end_per_suite,_} ->
ok;
{init_per_group,_} ->
ok;
{end_per_group,_} ->
ok;
{_,ok} ->
add_to_stats(ok);
{_,{skipped,{failed,{_,init_per_testcase,_}}}} ->
add_to_stats(auto_skipped);
{_,{skipped,{require_failed,_}}} ->
add_to_stats(auto_skipped);
{_,{skipped,_}} ->
add_to_stats(user_skipped);
{_,{SkipOrFail,_Reason}} ->
add_to_stats(SkipOrFail)
end;
tc_user_skip ->
%% test case specified as skipped in testspec
%% Data = {Suite,Case,Comment}
ct_event:sync_notify(#event{name=tc_user_skip,
node=node(),
data=Data}),
ct_hooks:on_tc_skip(What, Data),
add_to_stats(user_skipped);
tc_auto_skip ->
%% test case skipped because of error in init_per_suite
%% Data = {Suite,Case,Comment}
{_Suite,Case,_Result} = Data,
%% this test case does not have a log, so printouts
%% from event handlers should end up in the main log
ct_event:sync_notify(#event{name=tc_auto_skip,
node=node(),
data=Data}),
ct_hooks:on_tc_skip(What, Data),
if Case /= end_per_suite, Case /= end_per_group ->
add_to_stats(auto_skipped);
true ->
ok
end;
_ ->
ok
end,
catch vts:report(What,Data).
add_to_stats(Result) ->
Update = fun({Ok,Failed,Skipped={UserSkipped,AutoSkipped}}) ->
Stats =
case Result of
ok ->
{Ok+1,Failed,Skipped};
failed ->
{Ok,Failed+1,Skipped};
skipped ->
{Ok,Failed,{UserSkipped+1,AutoSkipped}};
user_skipped ->
{Ok,Failed,{UserSkipped+1,AutoSkipped}};
auto_skipped ->
{Ok,Failed,{UserSkipped,AutoSkipped+1}}
end,
ct_event:sync_notify(#event{name=test_stats,
node=node(),
data=Stats}),
Stats
end,
ct_util:update_testdata(stats, Update).
%%%-----------------------------------------------------------------
%%% @spec warn(What) -> true | false
warn(What) when What==nodes; What==processes ->
false;
warn(_What) ->
true.
%%%-----------------------------------------------------------------
%%% @spec add_data_dir(File0) -> File1
add_data_dir(File,Config) when is_atom(File) ->
add_data_dir(atom_to_list(File),Config);
add_data_dir(File,Config) when is_list(File) ->
case filename:split(File) of
[File] ->
%% no user path, add data dir
case lists:keysearch(data_dir,1,Config) of
{value,{data_dir,DataDir}} ->
filename:join(DataDir,File);
_ ->
File
end;
_ ->
File
end.
%%%-----------------------------------------------------------------
%%% @spec get_logopts() -> [LogOpt]
get_logopts() ->
case ct_util:get_testdata(logopts) of
undefined ->
[];
LogOpts ->
LogOpts
end.
%%%-----------------------------------------------------------------
%%% @spec format_comment(Comment) -> HtmlComment
format_comment(Comment) ->
"" ++ Comment ++ "".
%%%-----------------------------------------------------------------
%%% @spec overview_html_header(TestName) -> Header
overview_html_header(TestName) ->
TestName1 = lists:flatten(io_lib:format("~p", [TestName])),
Label = case application:get_env(common_test, test_label) of
{ok,Lbl} when Lbl =/= undefined ->
"