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|
%%
%% %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.
%%%
%%% <p>This module exports framework callback functions which are
%%% called from the test_server.</p>
-module(ct_framework).
-export([init_tc/3, end_tc/4, get_suite/2, report/2, warn/1]).
-export([error_notification/4]).
-export([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,[]),
case add_defaults1(Mod,Func,FuncInfo,SuiteInfo,DoInit) of
Error = {error,_} -> {SuiteInfo,Error};
MergedInfo -> {SuiteInfo,MergedInfo}
end;
{'EXIT',Reason} ->
{suite0_failed,{exited,Reason}};
SuiteInfo when is_list(SuiteInfo) ->
case lists:all(fun(E) when is_tuple(E) -> true;
(_) -> false
end, SuiteInfo) of
true ->
SuiteInfoNoCTH =
lists:keydelete(ct_hooks,1,SuiteInfo),
SuiteInfo1 = merge_with_suite_defaults(Mod,SuiteInfoNoCTH),
case add_defaults1(Mod,Func,FuncInfo,SuiteInfo1,DoInit) of
Error = {error,_} -> {SuiteInfo1,Error};
MergedInfo -> {SuiteInfo1,MergedInfo}
end;
false ->
{suite0_failed,bad_return_value}
end;
_ ->
{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(?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' ->
{FinalResult = ok,Result};
FinalResult ->
{FinalResult,FinalResult}
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
%%% <code>Func</code> in suite <code>Mod</code> crashing.
%%% <code>Error</code> 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 = "<font color=\"brown\">" ++ ErrStr ++ "</font>",
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 =
"<font color=\"green\">" ++ "(" ++ "</font>"
++ Comment ++
"<font color=\"green\">" ++ ")" ++ "</font>",
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 (<code>Func==all</code>)
%%% 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]]}];
[] ->
{error,{invalid_group_spec,Name}};
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),
Trimmed = trim(Found),
%% I cannot find a reason to why this function is called,
%% It deletes any group which is referenced in any other
%% group. i.e.
%% groups() ->
%% [{test, [], [testcase1]},
%% {testcases, [], [{group, test}]}].
%% Would be changed to
%% groups() ->
%% [{testcases, [], [testcase1]}].
%% instead of what I believe is correct:
%% groups() ->
%% [{test, [], [testcase1]},
%% {testcases, [], [testcase1]}].
%% Have to double check with peppe
delete_subs(Trimmed, Trimmed),
Trimmed.
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_logs:log("WARNING", "init_per_group/2 for ~w missing in suite, using default.",
[GroupName]),
Config.
ct_end_per_group(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
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 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 ->
"<H1><FONT color=\"green\">" ++ Lbl ++ "</FONT></H1>\n";
_ ->
""
end,
Bgr = case ct_logs:basic_html() of
true ->
"";
false ->
CTPath = code:lib_dir(common_test),
TileFile = filename:join(filename:join(CTPath,"priv"),"tile1.jpg"),
" background=\"" ++ TileFile ++ "\""
end,
["<html>\n",
"<head><title>Test ", TestName1, " results</title>\n",
"<meta http-equiv=\"cache-control\" content=\"no-cache\">\n",
"</head>\n",
"<body", Bgr, " bgcolor=\"white\" text=\"black\" ",
"link=\"blue\" vlink=\"purple\" alink=\"red\">\n",
Label,
"<H2>Results from test ", TestName1, "</H2>\n"].
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