diff options
Diffstat (limited to 'erts/test/autoimport_SUITE.erl')
| -rw-r--r-- | erts/test/autoimport_SUITE.erl | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/erts/test/autoimport_SUITE.erl b/erts/test/autoimport_SUITE.erl new file mode 100644 index 0000000000..71ed5204b1 --- /dev/null +++ b/erts/test/autoimport_SUITE.erl @@ -0,0 +1,196 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1998-2011. 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% +%% +%%% Purpose: Test erlang.xml re autoimports +-module(autoimport_SUITE). + +-include_lib("test_server/include/test_server.hrl"). +-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, + init_per_group/2,end_per_group/2, + init_per_testcase/2,end_per_testcase/2, + autoimports/1]). +-define(TEST_TIMEOUT, ?t:seconds(180)). + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [autoimports]. + +groups() -> + []. + +init_per_suite(Config) -> + Config. + +end_per_suite(_Config) -> + ok. + +init_per_group(_GroupName, Config) -> + Config. + +end_per_group(_GroupName, Config) -> + Config. + + +init_per_testcase(_Func, Config) -> + Dog = test_server:timetrap(?TEST_TIMEOUT), + [{watchdog, Dog} | Config]. + +end_per_testcase(_Func, Config) -> + Dog = ?config(watchdog, Config), + catch test_server:timetrap_cancel(Dog), + ok. + + +autoimports(suite) -> + []; +autoimports(doc) -> + ["Check that erlang.xml documents autoimports correctly"]; +autoimports(Config) when is_list(Config) -> + ?line XML = filename:join([?config(data_dir,Config),"erlang.xml"]), + ?line case xml(XML) of + [] -> + ok; + List -> + lists:foreach(fun({[],F,A}) -> + io:format("erlang:~s/~p is wrongly " + "documented as ~s/~p~n", + [F,A,F,A]); + ({"erlang",F,A}) -> + io:format("~s/~p is wrongly " + "documented as " + "erlang:~s/~p~n", + [F,A,F,A]) + end,List), + ?t:fail({wrong_autoimports,List}) + end. + +%% +%% Ugly chunk of code to heuristically analyze the erlang.xml +%% documentation file. Don't view this as an example... +%% + +xml(XMLFile) -> + {ok,File} = file:open(XMLFile,[read]), + xskip_to_funcs(file:read_line(File),File), + DocData = xloop(file:read_line(File),File), + true = DocData =/= [], + file:close(File), + analyze(DocData). + +%% Skip lines up to and including the <funcs> tag. +xskip_to_funcs({ok,Line},File) -> + case re:run(Line,"\\<funcs\\>",[{capture,none}]) of + nomatch -> + xskip_to_funcs(file:read_line(File),File); + match -> + ok + end. + +xloop({ok,Line},File) -> + case re:run(Line,"\\<name\\>",[{capture,none}]) of + nomatch -> + xloop(file:read_line(File),File); + match -> + X = re:replace(Line,"\\).*",")",[{return,list}]), + Y = re:replace(X,".*\\>","",[{return,list}]), + Mod = get_module(Y), + Rest1 = fstrip(Mod++":",Y), + Func = get_function(Rest1), + Rest2 = fstrip(Func++"(", Rest1), + Argc = count_args(Rest2,1,0,false), + [{Mod,Func,Argc} | + xloop(file:read_line(File),File)] + end; +xloop(_,_) -> + []. + +analyze([{[],Func,Arity}|T]) -> + case erl_internal:bif(list_to_atom(Func),Arity) of + true -> + analyze(T); + false -> + [{[],Func,Arity} | + analyze(T)] + end; +analyze([{"erlang",Func,Arity}|T]) -> + case erl_internal:bif(list_to_atom(Func),Arity) of + true -> + [{"erlang",Func,Arity}|analyze(T)]; + false -> + analyze(T) + end; +analyze([_|T]) -> + analyze(T); +analyze([]) -> + []. + + +count_args([],_,N,false) -> + N; +count_args([],_,N,true) -> + N+1; +count_args(_,0,N,true) -> + N+1; +count_args(_,0,N,false) -> + N; +count_args([Par|T],Level,N,Got) when (Par =:= 40) or + (Par =:= 123) or (Par =:= 91) -> + count_args(T,Level+1,N,(Level =:= 1) or Got); +count_args([41|T],1,N,true) -> + count_args(T,0,N+1,false); +count_args([Par|T],Level,N, Got) when (Par =:= 41) or + (Par =:= 125) or (Par =:= 93) -> + count_args(T,Level-1,N,Got); +count_args([$,|T],1,N,true) -> + count_args(T,1,N+1,false); +count_args([$ |T],A,B,C) -> + count_args(T,A,B,C); +count_args([_|T],1,N,_) -> + count_args(T,1,N,true); +count_args([_|T],A,B,C) -> + count_args(T,A,B,C). + +fstrip([],X) -> + X; +fstrip(_,[]) -> + []; +fstrip([H|T1],[H|T2]) -> + fstrip(T1,T2); +fstrip(_,L) -> + L. + +get_module(X) -> + get_module(X,[]). +get_module([],_) -> + []; +get_module([$:|_],Acc) -> + lists:reverse(Acc); +get_module([40|_],_) -> %( + []; +get_module([H|T],Acc) -> + get_module(T,[H|Acc]). + +get_function(X) -> + get_function(X,[]). +get_function([],_) -> + []; +get_function([40|_],Acc) -> %( + lists:reverse(Acc); +get_function([H|T],Acc) -> + get_function(T,[H|Acc]). |