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-rw-r--r--lib/stdlib/test/Makefile1
-rw-r--r--lib/stdlib/test/error_logger_h_SUITE.erl324
2 files changed, 325 insertions, 0 deletions
diff --git a/lib/stdlib/test/Makefile b/lib/stdlib/test/Makefile
index d4ab674486..e366c2b755 100644
--- a/lib/stdlib/test/Makefile
+++ b/lib/stdlib/test/Makefile
@@ -30,6 +30,7 @@ MODULES= \
erl_lint_SUITE \
erl_pp_SUITE \
erl_scan_SUITE \
+ error_logger_h_SUITE \
escript_SUITE \
ets_SUITE \
ets_tough_SUITE \
diff --git a/lib/stdlib/test/error_logger_h_SUITE.erl b/lib/stdlib/test/error_logger_h_SUITE.erl
new file mode 100644
index 0000000000..cd0d3a511e
--- /dev/null
+++ b/lib/stdlib/test/error_logger_h_SUITE.erl
@@ -0,0 +1,324 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2015. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(error_logger_h_SUITE).
+-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
+ init_per_group/2,end_per_group/2]).
+-export([logfile/1,tty/1]).
+
+%% Event handler exports.
+-export([init/1,handle_event/2,terminate/2]).
+
+-include_lib("test_server/include/test_server.hrl").
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+ [logfile,tty].
+
+groups() ->
+ [].
+
+init_per_suite(Config) ->
+ Config.
+
+end_per_suite(_Config) ->
+ ok.
+
+init_per_group(_GroupName, Config) ->
+ Config.
+
+end_per_group(_GroupName, Config) ->
+ Config.
+
+logfile(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ LogDir = filename:join(PrivDir, ?MODULE),
+ Log = filename:join(LogDir, "logfile.log"),
+ ok = filelib:ensure_dir(Log),
+
+ Ev = event_templates(),
+
+ error_logger:logfile({open,Log}),
+ gen_events(Ev),
+ error_logger:logfile(close),
+ analyse_events(Log, Ev, []),
+
+ Pa = "-pa " ++ filename:dirname(code:which(?MODULE)),
+ {ok,Node} = start_node(logfile, Pa),
+ error_logger:logfile({open,Log}),
+ ok = rpc:call(Node, erlang, apply, [fun gen_events/1,[Ev]]),
+ AtNode = iolist_to_binary(["** at node ",atom_to_list(Node)," **"]),
+ error_logger:logfile(close),
+ analyse_events(Log, Ev, [AtNode]),
+
+ test_server:stop_node(Node),
+
+ cleanup(Log),
+ ok.
+
+tty(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ LogDir = filename:join(PrivDir, ?MODULE),
+ Log = filename:join(LogDir, "tty.log"),
+ ok = filelib:ensure_dir(Log),
+
+ Ev = event_templates(),
+
+ tty_log_open(Log),
+ gen_events(Ev),
+ tty_log_close(),
+ analyse_events(Log, Ev, []),
+
+ Pa = "-pa " ++ filename:dirname(code:which(?MODULE)),
+ {ok,Node} = start_node(logfile, Pa),
+ tty_log_open(Log),
+ ok = rpc:call(Node, erlang, apply, [fun gen_events/1,[Ev]]),
+ tty_log_close(),
+ AtNode = iolist_to_binary(["** at node ",atom_to_list(Node)," **"]),
+ analyse_events(Log, Ev, [AtNode]),
+
+ test_server:stop_node(Node),
+
+ cleanup(Log),
+ ok.
+
+tty_log_open(Log) ->
+ {ok,Fd} = file:open(Log, [write]),
+ error_logger:add_report_handler(?MODULE, Fd),
+ Fd.
+
+tty_log_close() ->
+ error_logger:delete_report_handler(?MODULE),
+ ok.
+
+event_templates() ->
+ [{error_msg,["Pure error string\n",[]]},
+ {error_msg,["Pure error string with error ~p\n",[]]},
+ {error_msg,["Error string with ~p\n", [format]]},
+ {error_msg,["Error string with bad format ~p\n", []]},
+
+ {error_report,[error_atom]},
+ {error_report,["error string"]},
+ {error_report,[[{error_tag,value},error_value]]},
+
+ {info_msg,["Pure info string\n",[]]},
+ {info_msg,["Pure info string with error ~p\n",[]]},
+ {info_msg,["Pure string with ~p\n", [format]]},
+ {info_msg,["Pure string with bad format ~p\n", []]},
+
+ {info_report,[info_atom]},
+ {info_report,["info string"]},
+ {info_report,[[{info_tag,value},info_value]]},
+
+ {warning_msg,["Pure warning string\n",[]]},
+ {warning_msg,["Pure warning string with error ~p\n",[]]},
+ {warning_msg,["Warning string with ~p\n", [format]]},
+ {warning_msg,["Warning string with bad format ~p\n", []]},
+
+ {warning_report,[warning_atom]},
+ {warning_report,["warning string"]},
+ {warning_report,[[{warning_tag,value},warning_value]]}].
+
+gen_events(Ev) ->
+ io:format("node = ~p\n", [node()]),
+ io:format("group leader = ~p\n", [group_leader()]),
+ io:format("~p\n", [gen_event:which_handlers(error_logger)]),
+ call_error_logger(Ev),
+
+ {Pid,Ref} = spawn_monitor(fun() -> error(ouch) end),
+ receive
+ {'DOWN',Ref,process,Pid,_} ->
+ ok
+ end,
+
+ %% The following calls with a custom type will be ignored.
+ error_logger:error_report(ignored, value),
+ error_logger:warning_report(ignored, value),
+ error_logger:info_report(ignored, value),
+ receive after 100 -> ok end,
+ ok.
+
+analyse_events(Log, Ev, AtNode) ->
+ {ok,Bin} = file:read_file(Log),
+
+ io:format("*** Contents of log file ***\n\n~s\n", [Bin]),
+
+ Lines = binary:split(Bin, <<"\n">>, [global,trim_all]),
+ io:format("~p\n", [Lines]),
+
+ Rest = match_output(Ev, Lines, AtNode),
+ io:format("~p\n", [Rest]),
+
+ [] = match_emulator_error(Rest),
+ ok.
+
+
+call_error_logger([{F,Args}|T]) ->
+ apply(error_logger, F, Args),
+ call_error_logger(T);
+call_error_logger([]) -> ok.
+
+
+match_emulator_error([Head,Second,Third,_|Lines]) ->
+ match_head(<<"ERROR">>, Head),
+ {match,[{0,_}]} = re:run(Second,
+ "^Error in process <\\d+[.]\\d+[.]\\d+> on "
+ "node [^ ]* with exit value:"),
+ {match,[{0,_}]} = re:run(Third, "^[{]ouch,"),
+ Lines.
+
+match_output([Item|T], Lines0, AtNode) ->
+ try match_item(Item, Lines0, AtNode) of
+ Lines ->
+ match_output(T, Lines, AtNode)
+ catch
+ C:E ->
+ Stk = erlang:get_stacktrace(),
+ io:format("ITEM: ~p", [Item]),
+ io:format("LINES: ~p", [Lines0]),
+ erlang:raise(C, E, Stk)
+ end;
+match_output([], Lines, _) -> Lines.
+
+match_item(Item, Lines, AtNode) ->
+ case item_type(Item) of
+ {msg,Head,Args} ->
+ match_format(Head, Args, Lines, AtNode);
+ {report,Head,Args} ->
+ match_term(Head, Args, Lines, AtNode)
+ end.
+
+item_type({error_msg,Args}) ->
+ {msg,<<"ERROR">>,Args};
+item_type({info_msg,Args}) ->
+ {msg,<<"INFO">>,Args};
+item_type({warning_msg,Args}) ->
+ {msg,<<"WARNING">>,Args};
+item_type({error_report,Args}) ->
+ {report,<<"ERROR">>,Args};
+item_type({info_report,Args}) ->
+ {report,<<"INFO">>,Args};
+item_type({warning_report,Args}) ->
+ {report,<<"WARNING">>,Args}.
+
+match_format(Tag, [Format,Args], [Head|Lines], AtNode) ->
+ match_head(Tag, Head),
+ Bin = try io_lib:format(Format, Args) of
+ Str ->
+ iolist_to_binary(Str)
+ catch
+ _:_ ->
+ S = io_lib:format("ERROR: ~p - ~p~n", [Format,Args]),
+ iolist_to_binary(S)
+ end,
+ Expected0 = binary:split(Bin, <<"\n">>, [trim_all]),
+ Expected = Expected0 ++ AtNode,
+ match_term_lines(Expected, Lines).
+
+match_term(Tag, [Arg], [Head|Lines], AtNode) ->
+ match_head(Tag, Head),
+ Expected0 = match_term_get_expected(Arg),
+ Expected = Expected0 ++ AtNode,
+ match_term_lines(Expected, Lines).
+
+match_term_get_expected(List) when is_list(List) ->
+ try iolist_to_binary(List) of
+ Bin ->
+ [Bin]
+ catch
+ _:_ ->
+ format_rep(List)
+ end;
+match_term_get_expected(Term) ->
+ S = io_lib:format("~p", [Term]),
+ Bin = iolist_to_binary(S),
+ [Bin].
+
+format_rep([{Tag,Data}|Rep]) ->
+ [iolist_to_binary(io_lib:format(" ~p: ~p", [Tag,Data]))|
+ format_rep(Rep)];
+format_rep([Other|Rep]) ->
+ [iolist_to_binary(io_lib:format(" ~p", [Other]))|
+ format_rep(Rep)];
+format_rep([]) -> [].
+
+match_term_lines([Line|T], [Line|Lines]) ->
+ match_term_lines(T, Lines);
+match_term_lines([], Lines) -> Lines.
+
+match_head(Tag, Head) ->
+ Re = <<"^=",Tag/binary,
+ " REPORT==== \\d\\d?-[A-Z][a-z][a-z]-\\d{4}::"
+ "\\d\\d:\\d\\d:\\d\\d ===$">>,
+ {match,_} = re:run(Head, Re).
+
+start_node(Name, Args) ->
+ case test_server:start_node(Name, slave, [{args,Args}]) of
+ {ok,Node} ->
+ {ok,Node};
+ Error ->
+ test_server:fail(Error)
+ end.
+
+cleanup(File) ->
+ %% The point of this test case is not to test file operations.
+ %% Therefore ignore any failures.
+ case file:delete(File) of
+ ok ->
+ ok;
+ {error,Error1} ->
+ io:format("file:delete(~s) failed with error ~p",
+ [File,Error1])
+ end,
+ Dir = filename:dirname(File),
+ case file:del_dir(Dir) of
+ ok ->
+ ok;
+ {error,Error2} ->
+ io:format("file:del_dir(~s) failed with error ~p",
+ [Dir,Error2])
+ end,
+ ok.
+
+
+%%%
+%%% Our own event handler. There is no way to intercept the output
+%%% from error_logger_tty_h, but we can use the same code by
+%%% calling error_logger_tty_h:write_event/2.
+%%%
+
+init(Fd) ->
+ {ok,Fd}.
+
+handle_event(Event, Fd) ->
+ case error_logger_tty_h:write_event(tag_event(Event), io_lib) of
+ ok ->
+ ok;
+ Str when is_list(Str) ->
+ io:put_chars(Fd, Str)
+ end,
+ {ok,Fd}.
+
+terminate(_Reason, Fd) ->
+ ok = file:close(Fd),
+ [].
+
+tag_event(Event) ->
+ {erlang:universaltime(),Event}.
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