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Diffstat (limited to 'lib/kernel/test/logger_formatter_SUITE.erl')
| -rw-r--r-- | lib/kernel/test/logger_formatter_SUITE.erl | 879 |
1 files changed, 879 insertions, 0 deletions
diff --git a/lib/kernel/test/logger_formatter_SUITE.erl b/lib/kernel/test/logger_formatter_SUITE.erl new file mode 100644 index 0000000000..2ec4b243cf --- /dev/null +++ b/lib/kernel/test/logger_formatter_SUITE.erl @@ -0,0 +1,879 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2018. 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(logger_formatter_SUITE). + +-compile(export_all). + +-include_lib("common_test/include/ct.hrl"). +-include_lib("kernel/include/logger.hrl"). + +-define(TRY(X), my_try(fun() -> X end)). + +suite() -> + [{timetrap,{seconds,30}}]. + +init_per_suite(Config) -> + Config. + +end_per_suite(_Config) -> + ok. + +init_per_group(_Group, Config) -> + Config. + +end_per_group(_Group, _Config) -> + ok. + +init_per_testcase(_TestCase, Config) -> + Config. + +end_per_testcase(Case, Config) -> + try apply(?MODULE,Case,[cleanup,Config]) + catch error:undef -> ok + end, + ok. + +groups() -> + []. + +all() -> + [default, + legacy_header, + error_logger_notice_header, + single_line, + template, + format_msg, + report_cb, + max_size, + depth, + chars_limit, + format_mfa, + format_time, + level_or_msg_in_meta, + faulty_log, + faulty_config, + faulty_msg, + check_config, + update_config]. + +default(_Config) -> + String1 = format(info,{"~p",[term]},#{},#{}), + ct:log(String1), + [_DateTime,"info:","term\n"] = string:lexemes(String1," "), + + Time = timestamp(), + ExpectedTimestamp = default_time_format(Time), + String2 = format(info,{"~p",[term]},#{time=>Time},#{}), + ct:log(String2), + " info: term\n" = string:prefix(String2,ExpectedTimestamp), + ok. + +legacy_header(_Config) -> + Time = timestamp(), + String1 = format(info,{"~p",[term]},#{time=>Time},#{legacy_header=>true, + single_line=>false}), + ct:log(String1), + "=INFO REPORT==== "++Rest = String1, + [Timestamp,"\nterm\n"] = string:lexemes(Rest," ="), + [D,M,Y,H,Min,S,Micro] = string:lexemes(Timestamp,"-:."), + integer(D,31), + integer(Y,2018,infinity), + integer(H,23), + integer(Min,59), + integer(S,59), + integer(Micro,999999), + true = lists:member(M,["Jan","Feb","Mar","Apr","May","Jun", + "Jul","Aug","Sep","Oct","Nov","Dec"]), + + String2 = format(info,{"~p",[term]},#{time=>Time},#{legacy_header=>false, + single_line=>false}), + ct:log(String2), + ExpectedTimestamp = default_time_format(Time), + " info:\nterm\n" = string:prefix(String2,ExpectedTimestamp), + + String3 = format(info,{"~p",[term]},#{time=>Time},#{legacy_header=>bad, + single_line=>false}), + ct:log(String3), + String3 = String2, + + String4 = format(info,{"~p",[term]},#{time=>Time}, + #{legacy_header=>true, + single_line=>true}), % <---ignored + ct:log(String4), + String4 = String1, + + String5 = format(info,{"~p",[term]},#{}, % <--- no time + #{legacy_header=>true, + single_line=>false}), + ct:log(String5), + "=INFO REPORT==== "++_ = String5, + ok. + +error_logger_notice_header(_Config) -> + Meta1 = #{error_logger=>#{tag => info_report,type => std_info}}, + String1 = format(notice,{"~p",[term]},Meta1, + #{legacy_header=>true, + error_logger_notice_header=>notice}), + ct:log(String1), + "=NOTICE REPORT==== "++_ = String1, + + String2 = format(notice,{"~p",[term]},Meta1, + #{legacy_header=>true, + error_logger_notice_header=>info}), + ct:log(String2), + "=INFO REPORT==== "++_ = String2, + + String3 = format(notice,{"~p",[term]},#{}, + #{legacy_header=>true, + error_logger_notice_header=>notice}), + ct:log(String3), + "=NOTICE REPORT==== "++_ = String3, + + String4 = format(notice,{"~p",[term]},#{}, + #{legacy_header=>true, + error_logger_notice_header=>info}), + ct:log(String4), + "=NOTICE REPORT==== "++_ = String4, + + ok. + +single_line(_Config) -> + Time = timestamp(), + ExpectedTimestamp = default_time_format(Time), + String1 = format(info,{"~p",[term]},#{time=>Time},#{single_line=>true}), + ct:log(String1), + " info: term\n" = string:prefix(String1,ExpectedTimestamp), + + String2 = format(info,{"~p",[term]},#{time=>Time},#{single_line=>false}), + ct:log(String2), + " info:\nterm\n" = string:prefix(String2,ExpectedTimestamp), + + String2 = format(info,{"~p",[term]},#{time=>Time},#{single_line=>bad}), + + + %% Test that no extra commas/spaces are added when removing + %% newlines, especially not after "=>" in a map association (as + %% was the case in OTP-21.0, when the only single_line adjustment + %% was done by regexp replacement of "\n" by ", "). + Prefix = + "Some characters to fill the line ------------------------------------- ", + String3 = format(info,{"~s~p~n~s~p~n",[Prefix, + lists:seq(1,10), + Prefix, + #{a=>map,with=>a,few=>accociations}]}, + #{time=>Time}, + #{single_line=>true}), + ct:log(String3), + match = re:run(String3,"\\[1,2,3,4,5,6,7,8,9,10\\]",[{capture,none}]), + match = re:run(String3, + "#{a => map,few => accociations,with => a}", + [{capture,none}]), + + %% This part is added to make sure that the previous test made + %% sense, i.e. that there would actually be newlines inside the + %% list and map. + String4 = format(info,{"~s~p~n~s~p~n",[Prefix, + lists:seq(1,10), + Prefix, + #{a=>map,with=>a,few=>accociations}]}, + #{time=>Time}, + #{single_line=>false}), + ct:log(String4), + match = re:run(String4,"\\[1,2,3,\n",[global,{capture,none}]), + {match,Match4} = re:run(String4,"=>\n",[global,{capture,all}]), + 3 = length(Match4), + + %% Test that big metadata fields do not get line breaks + String5 = format(info,"", + #{mymeta=>lists:seq(1,100)}, + #{single_line=>true,template=>[mymeta,"\n"]}), + ct:log(String5), + [_] = string:lexemes(String5,"\n"), + + %% Ensure that the previous test made sense, i.e. that the + %% metadata field does produce multiple lines if + %% single_line==false. + String6 = format(info,"", + #{mymeta=>lists:seq(1,100)}, + #{single_line=>false,template=>[mymeta,"\n"]}), + ct:log(String6), + [_,_|_] = string:lexemes(String6,"\n"), + + ok. + +template(_Config) -> + Time = timestamp(), + + Template1 = [msg], + String1 = format(info,{"~p",[term]},#{time=>Time},#{template=>Template1}), + ct:log(String1), + "term" = String1, + + Template2 = [msg,unknown], + String2 = format(info,{"~p",[term]},#{time=>Time},#{template=>Template2}), + ct:log(String2), + "term" = String2, + + Template3 = ["string"], + String3 = format(info,{"~p",[term]},#{time=>Time},#{template=>Template3}), + ct:log(String3), + "string" = String3, + + Template4 = ["string\nnewline"], + String4 = format(info,{"~p",[term]},#{time=>Time},#{template=>Template4, + single_line=>true}), + ct:log(String4), + "string\nnewline" = String4, + + Template5 = [], + String5 = format(info,{"~p",[term]},#{time=>Time},#{template=>Template5}), + ct:log(String5), + "" = String5, + + Ref6 = erlang:make_ref(), + Meta6 = #{atom=>some_atom, + integer=>632, + list=>[list,"string",4321,#{},{tuple}], + mfa=>{mod,func,0}, + pid=>self(), + ref=>Ref6, + string=>"some string", + time=>Time, + tuple=>{1,atom,"list"}, + nested=>#{subkey=>subvalue}}, + Template6 = lists:join(";",lists:sort(maps:keys(maps:remove(nested,Meta6))) ++ + [[nested,subkey]]), + String6 = format(info,{"~p",[term]},Meta6,#{template=>Template6, + single_line=>true}), + ct:log(String6), + SelfStr = pid_to_list(self()), + RefStr6 = ref_to_list(Ref6), + ListStr = "[list,\"string\",4321,#{},{tuple}]", + ExpectedTime6 = default_time_format(Time), + ["some_atom", + "632", + ListStr, + "mod:func/0", + SelfStr, + RefStr6, + "some string", + ExpectedTime6, + "{1,atom,\"list\"}", + "subvalue"] = string:lexemes(String6,";"), + + Meta7 = #{time=>Time, + nested=>#{key1=>#{subkey1=>value1}, + key2=>value2}}, + Template7 = lists:join(";",[nested, + [nested,key1], + [nested,key1,subkey1], + [nested,key2], + [nested,key2,subkey2], + [nested,key3], + [nested,key3,subkey3]]), + String7 = format(info,{"~p",[term]},Meta7,#{template=>Template7, + single_line=>true}), + ct:log(String7), + [MultipleKeysStr7, + "#{subkey1 => value1}", + "value1", + "value2", + "", + "", + ""] = string:split(String7,";",all), + %% Order of keys is not fixed + case MultipleKeysStr7 of + "#{key2 => value2,key1 => #{subkey1 => value1}}" -> ok; + "#{key1 => #{subkey1 => value1},key2 => value2}" -> ok; + _ -> ct:fail({full_nested_map_unexpected,MultipleKeysStr7}) + end, + + Meta8 = #{time=>Time, + nested=>#{key1=>#{subkey1=>value1}, + key2=>value2}}, + Template8 = + lists:join( + ";", + [{nested,["exist:",nested],["noexist"]}, + {[nested,key1],["exist:",[nested,key1]],["noexist"]}, + {[nested,key1,subkey1],["exist:",[nested,key1,subkey1]],["noexist"]}, + {[nested,key2],["exist:",[nested,key2]],["noexist"]}, + {[nested,key2,subkey2],["exist:",[nested,key2,subkey2]],["noexist"]}, + {[nested,key3],["exist:",[nested,key3]],["noexist"]}, + {[nested,key3,subkey3],["exist:",[nested,key3,subkey3]],["noexist"]}]), + String8 = format(info,{"~p",[term]},Meta8,#{template=>Template8, + single_line=>true}), + ct:log(String8), + [MultipleKeysStr8, + "exist:#{subkey1 => value1}", + "exist:value1", + "exist:value2", + "noexist", + "noexist", + "noexist"] = string:split(String8,";",all), + %% Order of keys is not fixed + case MultipleKeysStr8 of + "exist:#{key2 => value2,key1 => #{subkey1 => value1}}" -> ok; + "exist:#{key1 => #{subkey1 => value1},key2 => value2}" -> ok; + _ -> ct:fail({full_nested_map_unexpected,MultipleKeysStr8}) + end, + + ok. + +format_msg(_Config) -> + Template = [msg], + + String1 = format(info,{"~p",[term]},#{},#{template=>Template}), + ct:log(String1), + "term" = String1, + + String2 = format(info,{"list",[term]},#{},#{template=>Template}), + ct:log(String2), + "FORMAT ERROR: \"list\" - [term]" = String2, + + String3 = format(info,{report,term},#{},#{template=>Template}), + ct:log(String3), + "term" = String3, + + String4 = format(info,{report,term}, + #{report_cb=>fun(_)-> {"formatted",[]} end}, + #{template=>Template}), + ct:log(String4), + "formatted" = String4, + + String5 = format(info,{report,term}, + #{report_cb=>fun(_)-> faulty_return end}, + #{template=>Template}), + ct:log(String5), + "REPORT_CB/1 ERROR: term; Returned: faulty_return" = String5, + + String6 = format(info,{report,term}, + #{report_cb=>fun(_)-> erlang:error(fun_crashed) end}, + #{template=>Template}), + ct:log(String6), + "REPORT_CB/1 CRASH: term; Reason: {error,fun_crashed,"++_ = String6, + + String7 = format(info,{report,term}, + #{report_cb=>fun(_,_)-> ['not',a,string] end}, + #{template=>Template}), + ct:log(String7), + "REPORT_CB/2 ERROR: term; Returned: ['not',a,string]" = String7, + + String8 = format(info,{report,term}, + #{report_cb=>fun(_,_)-> faulty_return end}, + #{template=>Template}), + ct:log(String8), + "REPORT_CB/2 ERROR: term; Returned: faulty_return" = String8, + + String9 = format(info,{report,term}, + #{report_cb=>fun(_,_)-> erlang:error(fun_crashed) end}, + #{template=>Template}), + ct:log(String9), + "REPORT_CB/2 CRASH: term; Reason: {error,fun_crashed,"++_ = String9, + + %% strings are not formatted + String10 = format(info,{string,"string"}, + #{report_cb=>fun(_)-> {"formatted",[]} end}, + #{template=>Template}), + ct:log(String10), + "string" = String10, + + String11 = format(info,{string,['not',printable,list]}, + #{report_cb=>fun(_)-> {"formatted",[]} end}, + #{template=>Template}), + ct:log("~ts",[String11]), % avoiding ct_log crash + "FORMAT ERROR: \"~ts\" - [['not',printable,list]]" = String11, + + String12 = format(info,{string,"string"},#{},#{template=>Template}), + ct:log(String12), + "string" = String12, + + ok. + +report_cb(_Config) -> + Template = [msg], + MetaFun = fun(_) -> {"meta_rcb",[]} end, + ConfigFun = fun(_) -> {"config_rcb",[]} end, + "term" = format(info,{report,term},#{},#{template=>Template}), + "meta_rcb" = + format(info,{report,term},#{report_cb=>MetaFun},#{template=>Template}), + "config_rcb" = + format(info,{report,term},#{},#{template=>Template, + report_cb=>ConfigFun}), + "config_rcb" = + format(info,{report,term},#{report_cb=>MetaFun},#{template=>Template, + report_cb=>ConfigFun}), + ok. + +max_size(_Config) -> + Cfg = #{template=>[msg], + single_line=>false}, + "12345678901234567890" = + format(info,{"12345678901234567890",[]},#{},Cfg), + %% application:set_env(kernel,logger_max_size,11), + %% "12345678901234567890" = % min value is 50, so this is not limited + %% format(info,{"12345678901234567890",[]},#{},Cfg), + %% "12345678901234567890123456789012345678901234567..." = % 50 + %% format(info, + %% {"123456789012345678901234567890123456789012345678901234567890", + %% []}, + %% #{}, + %% Cfg), + %% application:set_env(kernel,logger_max_size,53), + %% "12345678901234567890123456789012345678901234567890..." = %53 + %% format(info, + %% {"123456789012345678901234567890123456789012345678901234567890", + %% []}, + %% #{}, + %% Cfg), + "123456789012..." = + format(info,{"12345678901234567890",[]},#{},Cfg#{max_size=>15}), + "12345678901234567890" = + format(info,{"12345678901234567890",[]},#{},Cfg#{max_size=>unlimited}), + %% Check that one newline at the end of the line is kept (if it exists) + "12345678901...\n" = + format(info,{"12345678901234567890\n",[]},#{},Cfg#{max_size=>15}), + "12345678901...\n" = + format(info,{"12345678901234567890",[]},#{},Cfg#{template=>[msg,"\n"], + max_size=>15}), + ok. +max_size(cleanup,_Config) -> + application:unset_env(kernel,logger_max_size), + ok. + +depth(_Config) -> + Template = [msg], + "[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]" = + format(info, + {"~p",[[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]]}, + #{}, + #{template=>Template}), + application:set_env(kernel,error_logger_format_depth,11), + "[1,2,3,4,5,6,7,8,9,0|...]" = + format(info, + {"~p",[[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]]}, + #{}, + #{template=>Template}), + "[1,2,3,4,5,6,7,8,9,0,1,2|...]" = + format(info, + {"~p",[[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]]}, + #{}, + #{template=>Template, + depth=>13}), + "[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]" = + format(info, + {"~p",[[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]]}, + #{}, + #{template=>Template, + depth=>unlimited}), + ok. +depth(cleanup,_Config) -> + application:unset_env(kernel,error_logger_format_depth), + ok. + +chars_limit(_Config) -> + FA = {"LoL: ~p~nL: ~p~nMap: ~p~n", + [lists:duplicate(10,lists:seq(1,100)), + lists:seq(1,100), + maps:from_list(lists:zip(lists:seq(1,100), + lists:duplicate(100,value)))]}, + Meta = #{time=>timestamp()}, + Template = [time," - ", msg, "\n"], + FC = #{template=>Template, + depth=>unlimited, + max_size=>unlimited, + chars_limit=>unlimited, + single_line=>true}, + CL1 = 80, + String1 = format(info,FA,Meta,FC#{chars_limit=>CL1}), + L1 = string:length(String1), + ct:log("String1: ~p~nLength1: ~p~n",[lists:flatten(String1),L1]), + true = L1 > CL1, + true = L1 < CL1 + 15, + + String2 = format(info,FA,Meta,FC#{chars_limit=>CL1,depth=>10}), + L2 = string:length(String2), + ct:log("String2: ~p~nLength2: ~p~n",[lists:flatten(String2),L2]), + String2 = String1, + + CL3 = 200, + String3 = format(info,FA,Meta,FC#{chars_limit=>CL3}), + L3 = string:length(String3), + ct:log("String3: ~p~nLength3: ~p~n",[lists:flatten(String3),L3]), + true = L3 > CL3, + true = L3 < CL3 + 15, + + String4 = format(info,FA,Meta,FC#{chars_limit=>CL3,depth=>10}), + L4 = string:length(String4), + ct:log("String4: ~p~nLength4: ~p~n",[lists:flatten(String4),L4]), + true = L4 > CL3, + true = L4 < CL3 + 15, + + %% Test that max_size truncates the string which is limited by + %% depth and chars_limit + MS5 = 150, + String5 = format(info,FA,Meta,FC#{chars_limit=>CL3,depth=>10,max_size=>MS5}), + L5 = string:length(String5), + ct:log("String5: ~p~nLength5: ~p~n",[String5,L5]), + L5 = MS5, + true = lists:prefix(lists:sublist(String5,L5-4),String4), + + %% Test that chars_limit limits string also + Str = "123456789012345678901234567890123456789012345678901234567890123456789", + CL6 = 80, + String6 = format(info,{string,Str},Meta,FC#{chars_limit=>CL6}), + L6 = string:length(String6), + ct:log("String6: ~p~nLength6: ~p~n",[String6,L6]), + L6 = CL6, + + ok. + +format_mfa(_Config) -> + Template = [mfa], + + Meta1 = #{mfa=>{mod,func,0}}, + String1 = format(info,{"~p",[term]},Meta1,#{template=>Template}), + ct:log(String1), + "mod:func/0" = String1, + + Meta2 = #{mfa=>{mod,func,[]}}, + String2 = format(info,{"~p",[term]},Meta2,#{template=>Template}), + ct:log(String2), + "mod:func/0" = String2, + + Meta3 = #{mfa=>"mod:func/0"}, + String3 = format(info,{"~p",[term]},Meta3,#{template=>Template}), + ct:log(String3), + "mod:func/0" = String3, + + Meta4 = #{mfa=>othermfa}, + String4 = format(info,{"~p",[term]},Meta4,#{template=>Template}), + ct:log(String4), + "othermfa" = String4, + + ok. + +format_time(_Config) -> + Time = timestamp(), + Meta = #{time=>Time}, + FC = #{template=>[time]}, + Msg = {string,""}, + ExpectedLocal = default_time_format(Time,false), + ExpectedUtc = default_time_format(Time,true), + + %% default - local time + ExpectedLocal = format(info,Msg,Meta,FC), + + %% time_offset config parameter to formatter + ExpectedLocal = format(info,Msg,Meta,FC#{time_offset=>""}), + ExpectedUtc = format(info,Msg,Meta,FC#{time_offset=>"Z"}), + + %% stdlib utc_log works when time_offset parameter is not set + application:set_env(stdlib,utc_log,true), + ExpectedUtc = format(info,Msg,Meta,FC), + + %% sasl utc_log overwrites stdlib utc_log + application:set_env(sasl,utc_log,false), + ExpectedLocal = format(info,Msg,Meta,FC), + + %% sasl utc_log overwrites stdlib utc_log + application:set_env(sasl,utc_log,true), + application:set_env(stdlib,utc_log,false), + ExpectedUtc = format(info,Msg,Meta,FC), + + %% time_offset config parameter to formatter + %% overwrites sasl and stdlib utc_log + application:set_env(sasl,utc_log,false), + ExpectedUtc = format(info,Msg,Meta,FC#{time_offset=>"Z"}), + + %% time_offset config parameter to formatter + %% overwrites sasl and stdlib utc_log + application:set_env(sasl,utc_log,true), + application:set_env(stdlib,utc_log,true), + ExpectedLocal = format(info,Msg,Meta,FC#{time_offset=>""}), + + %% time_designator config parameter to formatter + ExpectedLocalS = default_time_format(Time,false,$\s), + ExpectedUtcS = default_time_format(Time,true,$\s), + + ExpectedLocalS = format(info,Msg,Meta,FC#{time_offset=>"", + time_designator=>$\s}), + ExpectedUtcS = format(info,Msg,Meta,FC#{time_offset=>"Z", + time_designator=>$\s}), + + ok. + +format_time(cleanup,_Config) -> + application:unset_env(sasl,utc_log), + application:unset_env(stdlib,utc_log), + ok. + +level_or_msg_in_meta(_Config) -> + %% The template contains atoms to pick out values from meta, + %% or level/msg to add these from the log event. What if you have + %% a key named 'level' or 'msg' in meta and want to display + %% its value? + %% For now we simply ignore Meta on this and display the + %% actual level and msg from the log event. + + Meta = #{level=>mylevel, + msg=>"metamsg"}, + Template = [level,";",msg], + String = format(info,{"~p",[term]},Meta,#{template=>Template}), + ct:log(String), + "info;term" = String, % so mylevel and "metamsg" are ignored + + ok. + +faulty_log(_Config) -> + %% Unexpected log (should be type logger:log_event()) - print error + {error, + function_clause, + {logger_formatter,format,[_,_],_}} = + ?TRY(logger_formatter:format(unexp_log,#{})), + ok. + +faulty_config(_Config) -> + {error, + function_clause, + {logger_formatter,format,[_,_],_}} = + ?TRY(logger_formatter:format(#{level=>info, + msg=>{"~p",[term]}, + meta=>#{time=>timestamp()}}, + unexp_config)), + ok. + +faulty_msg(_Config) -> + {error, + function_clause, + {logger_formatter,_,_,_}} = + ?TRY(logger_formatter:format(#{level=>info, + msg=>term, + meta=>#{time=>timestamp()}}, + #{})), + ok. + +-define(cfgerr(X), {error,{invalid_formatter_config,logger_formatter,X}}). +check_config(_Config) -> + ok = logger_formatter:check_config(#{}), + ?cfgerr(bad) = logger_formatter:check_config(bad), + + C1 = #{chars_limit => 1, + depth => 1, + legacy_header => true, + error_logger_notice_header => info, + max_size => 1, + report_cb => fun(R) -> {"~p",[R]} end, + single_line => false, + template => [], + time_designator => $T, + time_offset => 0}, + ok = logger_formatter:check_config(C1), + + ok = logger_formatter:check_config(#{chars_limit => unlimited}), + ?cfgerr({chars_limit,bad}) = + logger_formatter:check_config(#{chars_limit => bad}), + + ok = logger_formatter:check_config(#{depth => unlimited}), + ?cfgerr({depth,bad}) = + logger_formatter:check_config(#{depth => bad}), + + ok = logger_formatter:check_config(#{legacy_header => false}), + ?cfgerr({legacy_header,bad}) = + logger_formatter:check_config(#{legacy_header => bad}), + + ok = logger_formatter:check_config(#{error_logger_notice_header => notice}), + ?cfgerr({error_logger_notice_header,bad}) = + logger_formatter:check_config(#{error_logger_notice_header => bad}), + + ok = logger_formatter:check_config(#{max_size => unlimited}), + ?cfgerr({max_size,bad}) = + logger_formatter:check_config(#{max_size => bad}), + + ok = + logger_formatter:check_config(#{report_cb => fun(_,_) -> "" end}), + ?cfgerr({report_cb,F}) = + logger_formatter:check_config(#{report_cb => F=fun(_,_,_) -> {"",[]} end}), + ?cfgerr({report_cb,bad}) = + logger_formatter:check_config(#{report_cb => bad}), + + ok = logger_formatter:check_config(#{single_line => true}), + ?cfgerr({single_line,bad}) = + logger_formatter:check_config(#{single_line => bad}), + + Ts = [[key], + [[key1,key2]], + [{key,[key],[]}], + [{[key1,key2],[[key1,key2]],["noexist"]}], + ["string"]], + [begin + ct:log("check template: ~p",[T]), + ok = logger_formatter:check_config(#{template => T}) + end + || T <- Ts], + + ETs = [bad, + [{key,bad}], + [{key,[key],bad}], + [{key,[key],"bad"}], + "bad", + [[key,$a,$b,$c]], + [[$a,$b,$c,key]]], + [begin + ct:log("check template: ~p",[T]), + {error,{invalid_formatter_template,logger_formatter,T}} = + logger_formatter:check_config(#{template => T}) + end + || T <- ETs], + + ?cfgerr({time_designator,bad}) = + logger_formatter:check_config(#{time_designator => bad}), + ?cfgerr({time_designator,"b"}) = + logger_formatter:check_config(#{time_designator => "b"}), + + ok = logger_formatter:check_config(#{time_offset => -1}), + ok = logger_formatter:check_config(#{time_offset => "+02:00"}), + ok = logger_formatter:check_config(#{time_offset => "-23:59"}), + ok = logger_formatter:check_config(#{time_offset => "+24:00"}), + ok = logger_formatter:check_config(#{time_offset => "-25:00"}), + ?cfgerr({time_offset,bad}) = + logger_formatter:check_config(#{time_offset => bad}), + ?cfgerr({time_offset,"02:00"}) = + logger_formatter:check_config(#{time_offset => "02:00"}), + ?cfgerr({time_offset,"+02"}) = + logger_formatter:check_config(#{time_offset => "+02"}), + + ok. + +%% Test that formatter config can be changed, and that the default +%% template is updated accordingly +update_config(_Config) -> + logger:add_handler_filter(default,silence,{fun(_,_) -> stop end,ok}), + ok = logger:add_handler(?MODULE,?MODULE,#{}), + D = lists:seq(1,1000), + logger:notice("~p~n",[D]), + {Lines1,C1} = check_log(), + [ct:log(L) || L <- Lines1], + ct:log("~p",[C1]), + [Line1] = Lines1, + [_Time,"notice: "++D1] = string:split(Line1," "), + true = length(D1)>3000, + true = #{}==C1, + + ok = logger:update_formatter_config(?MODULE,single_line,false), + logger:notice("~p~n",[D]), + {Lines2,C2} = check_log(), + [ct:log(L) || L <- Lines2], + ct:log("~p",[C2]), + true = length(Lines2)>50, + true = #{single_line=>false}==C2, + + ok = logger:update_formatter_config(?MODULE,#{legacy_header=>true}), + logger:notice("~p~n",[D]), + {Lines3,C3} = check_log(), + [ct:log(L) || L <- Lines3], + ct:log("~p",[C3]), + ["=NOTICE REPORT==== "++_|D3] = Lines3, + true = length(D3)>50, + true = #{legacy_header=>true,single_line=>false}==C3, + + ok = logger:update_formatter_config(?MODULE,single_line,true), + logger:notice("~p~n",[D]), + {Lines4,C4} = check_log(), + [ct:log(L) || L <- Lines4], + ct:log("~p",[C4]), + ["=NOTICE REPORT==== "++_,D4] = Lines4, + true = length(D4)>3000, + true = #{legacy_header=>true,single_line=>true}==C4, + + %% Finally, check that error_logger_notice_header works, default=info + error_logger:info_msg("~p",[D]), + {Lines5,C5} = check_log(), + [ct:log(L) || L <- Lines5], + ct:log("~p",[C5]), + ["=INFO REPORT==== "++_,_D5] = Lines5, + + ok=logger:update_formatter_config(?MODULE,error_logger_notice_header,notice), + error_logger:info_msg("~p",[D]), + {Lines6,C6} = check_log(), + [ct:log(L) || L <- Lines6], + ct:log("~p",[C6]), + ["=NOTICE REPORT==== "++_,_D6] = Lines6, + + ok. + +update_config(cleanup,_Config) -> + _ = logger:remove_handler(?MODULE), + _ = logger:remove_handler_filter(default,silence), + ok. + +%%%----------------------------------------------------------------- +%%% Internal +format(Level,Msg,Meta,Config) -> + format(#{level=>Level,msg=>Msg,meta=>add_time(Meta)},Config). + +format(Log,Config) -> + lists:flatten(logger_formatter:format(Log,Config)). + +default_time_format(Timestamp) -> + default_time_format(Timestamp,false). + +default_time_format(Timestamp,Utc) -> + default_time_format(Timestamp,Utc,$T). + +default_time_format(Timestamp,Utc,Sep) -> + Offset = if Utc -> "Z"; + true -> "" + end, + calendar:system_time_to_rfc3339(Timestamp,[{unit,microsecond}, + {time_designator,Sep}, + {offset,Offset}]). + +integer(Str) -> + is_integer(list_to_integer(Str)). +integer(Str,Max) -> + integer(Str,0,Max). +integer(Str,Min,Max) -> + Int = list_to_integer(Str), + Int >= Min andalso Int =<Max. + +%%%----------------------------------------------------------------- +%%% Called by macro ?TRY(X) +my_try(Fun) -> + try Fun() catch C:R:S -> {C,R,hd(S)} end. + +timestamp() -> + erlang:system_time(microsecond). + +%% necessary? +add_time(#{time:=_}=Meta) -> + Meta; +add_time(Meta) -> + Meta#{time=>timestamp()}. + +%%%----------------------------------------------------------------- +%%% handler callback +log(Log,#{formatter:={M,C}}) -> + put(log,{M:format(Log,C),C}), + ok. + +check_log() -> + {S,C} = erase(log), + {string:lexemes(S,"\n"),C}. |