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authorPeter Andersson <[email protected]>2015-04-29 11:31:48 +0200
committerPeter Andersson <[email protected]>2015-05-04 12:32:19 +0200
commitbcbee3d20d21e3f4c5bb29de96fddf07302922a6 (patch)
tree38d4f81e064209fc98a8de8f1ab8ec4fd4afef55 /lib/test_server
parentff1e0b2fe44a347670a5d72c45c061fefa6abc7f (diff)
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Fix problem with line number not always showing in log
OTP-12697
Diffstat (limited to 'lib/test_server')
-rw-r--r--lib/test_server/src/erl2html2.erl60
-rw-r--r--lib/test_server/src/test_server.erl33
-rw-r--r--lib/test_server/src/test_server_sup.erl65
3 files changed, 110 insertions, 48 deletions
diff --git a/lib/test_server/src/erl2html2.erl b/lib/test_server/src/erl2html2.erl
index 7cfaa2c325..50dbbb82ee 100644
--- a/lib/test_server/src/erl2html2.erl
+++ b/lib/test_server/src/erl2html2.erl
@@ -117,9 +117,10 @@ parse_preprocessed_file(Epp,File,InCorrectFile) ->
parse_preprocessed_file(Epp,File,true);
{attribute,_,file,{_OtherFile,_}} ->
parse_preprocessed_file(Epp,File,false);
- {function,L,F,A,[_|C]} when InCorrectFile ->
- Clauses = [{clause,CL} || {clause,CL,_,_,_} <- C],
- [{atom_to_list(F),A,L} | Clauses] ++
+ {function,L,F,A,Cs} when InCorrectFile ->
+ {CLs,LastCL} = find_clause_lines(Cs, []),
+ %% tl(CLs) cause we know the start line already
+ [{atom_to_list(F),A,L,LastCL} | tl(CLs)] ++
parse_preprocessed_file(Epp,File,true);
_ ->
parse_preprocessed_file(Epp,File,InCorrectFile)
@@ -146,9 +147,10 @@ parse_non_preprocessed_file(Epp, File, Location) ->
case epp_dodger:parse_form(Epp, Location) of
{ok,Tree,Location1} ->
try erl_syntax:revert(Tree) of
- {function,L,F,A,[_|C]} ->
- Clauses = [{clause,CL} || {clause,CL,_,_,_} <- C],
- [{atom_to_list(F),A,L} | Clauses] ++
+ {function,L,F,A,Cs} ->
+ {CLs,LastCL} = find_clause_lines(Cs, []),
+ %% tl(CLs) cause we know the start line already
+ [{atom_to_list(F),A,L,LastCL} | tl(CLs)] ++
parse_non_preprocessed_file(Epp, File, Location1);
_ ->
parse_non_preprocessed_file(Epp, File, Location1)
@@ -162,22 +164,48 @@ parse_non_preprocessed_file(Epp, File, Location) ->
end.
%%%-----------------------------------------------------------------
+%%% Find the line number of the last expression in the function
+find_clause_lines([{clause,CL,_Params,_Op,Exprs}], CLs) -> % last clause
+ try tuple_to_list(lists:last(Exprs)) of
+ [_Type,ExprLine | _] ->
+ {lists:reverse([{clause,CL}|CLs]), ExprLine};
+ _ ->
+ {lists:reverse([{clause,CL}|CLs]), CL}
+ catch
+ _:_ ->
+ {lists:reverse([{clause,CL}|CLs]), CL}
+ end;
+
+find_clause_lines([{clause,CL,_Params,_Op,_Exprs} | Cs], CLs) ->
+ find_clause_lines(Cs, [{clause,CL}|CLs]).
+
+%%%-----------------------------------------------------------------
%%% Add a link target for each line and one for each function definition.
-build_html(SFd,DFd,Encoding,Functions) ->
- build_html(SFd,DFd,Encoding,file:read_line(SFd),1,Functions,false).
+build_html(SFd,DFd,Encoding,FuncsAndCs) ->
+ build_html(SFd,DFd,Encoding,file:read_line(SFd),1,FuncsAndCs,
+ false,undefined).
-build_html(SFd,DFd,Encoding,{ok,Str},L,[{F,A,L}|Functions],_IsFuncDef) ->
+%% function start line found
+build_html(SFd,DFd,Enc,{ok,Str},L0,[{F,A,L0,LastL}|FuncsAndCs],
+ _IsFuncDef,_FAndLastL) ->
FALink = test_server_ctrl:uri_encode(F++"-"++integer_to_list(A),utf8),
- file:write(DFd,["<a name=\"",to_raw_list(FALink,Encoding),"\"/>"]),
- build_html(SFd,DFd,Encoding,{ok,Str},L,Functions,true);
-build_html(SFd,DFd,Encoding,{ok,Str},L,[{clause,L}|Functions],_IsFuncDef) ->
- build_html(SFd,DFd,Encoding,{ok,Str},L,Functions,true);
-build_html(SFd,DFd,Encoding,{ok,Str},L,Functions,IsFuncDef) ->
+ file:write(DFd,["<a name=\"",to_raw_list(FALink,Enc),"\"/>"]),
+ build_html(SFd,DFd,Enc,{ok,Str},L0,FuncsAndCs,true,{F,LastL});
+%% line of last expression in function found
+build_html(SFd,DFd,Enc,{ok,Str},LastL,FuncsAndCs,_IsFuncDef,{F,LastL}) ->
+ LastLineLink = test_server_ctrl:uri_encode(F++"-last_expr",utf8),
+ file:write(DFd,["<a name=\"",
+ to_raw_list(LastLineLink,Enc),"\"/>"]),
+ build_html(SFd,DFd,Enc,{ok,Str},LastL,FuncsAndCs,true,undefined);
+build_html(SFd,DFd,Enc,{ok,Str},L,[{clause,L}|FuncsAndCs],
+ _IsFuncDef,FAndLastL) ->
+ build_html(SFd,DFd,Enc,{ok,Str},L,FuncsAndCs,true,FAndLastL);
+build_html(SFd,DFd,Enc,{ok,Str},L,FuncsAndCs,IsFuncDef,FAndLastL) ->
LStr = line_number(L),
Str1 = line(Str,IsFuncDef),
file:write(DFd,[LStr,Str1]),
- build_html(SFd,DFd,Encoding,file:read_line(SFd),L+1,Functions,false);
-build_html(_SFd,_DFd,_Encoding,eof,L,_Functions,_IsFuncDef) ->
+ build_html(SFd,DFd,Enc,file:read_line(SFd),L+1,FuncsAndCs,false,FAndLastL);
+build_html(_SFd,_DFd,_Enc,eof,L,_FuncsAndCs,_IsFuncDef,_FAndLastL) ->
L.
line_number(L) ->
diff --git a/lib/test_server/src/test_server.erl b/lib/test_server/src/test_server.erl
index 8d91778cbb..1c3352550b 100644
--- a/lib/test_server/src/test_server.erl
+++ b/lib/test_server/src/test_server.erl
@@ -1355,12 +1355,30 @@ get_loc(Pid) ->
Stk = [rewrite_loc_item(Loc) || Loc <- Stk0],
case get(test_server_loc) of
[{Suite,Case}] ->
- %% location info unknown, check if {Suite,Case,Line}
- %% is available in stacktrace. and if so, use stacktrace
- %% instead of current test_server_loc
+ %% Location info unknown, check if {Suite,Case,Line}
+ %% is available in stacktrace and if so, use stacktrace
+ %% instead of current test_server_loc.
+ %% If location is the last expression in a test case
+ %% function, the info is not available due to tail call
+ %% elimination. We need to check if the test case has been
+ %% called by ts_tc/3 and, if so, insert the test case info
+ %% at that position.
case [match || {S,C,_L} <- Stk, S == Suite, C == Case] of
- [match|_] -> put(test_server_loc, Stk);
- _ -> ok
+ [match|_] ->
+ put(test_server_loc, Stk);
+ _ ->
+ {PreTC,PostTC} =
+ lists:splitwith(fun({test_server,ts_tc,_}) ->
+ false;
+ (_) ->
+ true
+ end, Stk),
+ if PostTC == [] ->
+ ok;
+ true ->
+ put(test_server_loc,
+ PreTC++[{Suite,Case,last_expr} | PostTC])
+ end
end;
_ ->
put(test_server_loc, Stk)
@@ -1422,7 +1440,10 @@ lookup_config(Key,Config) ->
undefined
end.
-%% timer:tc/3
+%%
+%% IMPORTANT: get_loc/1 uses the name of this function when analysing
+%% stack traces. If the name changes, get_loc/1 must be updated!
+%%
ts_tc(M, F, A) ->
Before = erlang:now(),
Result = try
diff --git a/lib/test_server/src/test_server_sup.erl b/lib/test_server/src/test_server_sup.erl
index 96e369a138..15a6fdd1de 100644
--- a/lib/test_server/src/test_server_sup.erl
+++ b/lib/test_server/src/test_server_sup.erl
@@ -61,33 +61,37 @@ timetrap(Timeout0, ReportTVal, Scale, Pid) ->
TruncTO = trunc(Timeout),
receive
after TruncTO ->
- case is_process_alive(Pid) of
- true ->
- TimeToReport = if Timeout0 == ReportTVal -> TruncTO;
- true -> ReportTVal end,
- MFLs = test_server:get_loc(Pid),
- Mon = erlang:monitor(process, Pid),
- Trap = {timetrap_timeout,TimeToReport,MFLs},
- exit(Pid, Trap),
- receive
- {'DOWN', Mon, process, Pid, _} ->
- ok
- after 10000 ->
- %% Pid is probably trapping exits, hit it harder...
- catch error_logger:warning_msg(
- "Testcase process ~w not "
- "responding to timetrap "
- "timeout:~n"
- " ~p.~n"
- "Killing testcase...~n",
- [Pid, Trap]),
- exit(Pid, kill)
- end;
- false ->
+ kill_the_process(Pid, Timeout0, TruncTO, ReportTVal)
+ end.
+
+kill_the_process(Pid, Timeout0, TruncTO, ReportTVal) ->
+ case is_process_alive(Pid) of
+ true ->
+ TimeToReport = if Timeout0 == ReportTVal -> TruncTO;
+ true -> ReportTVal end,
+ MFLs = test_server:get_loc(Pid),
+ Mon = erlang:monitor(process, Pid),
+ Trap = {timetrap_timeout,TimeToReport,MFLs},
+ exit(Pid, Trap),
+ receive
+ {'DOWN', Mon, process, Pid, _} ->
ok
- end
+ after 10000 ->
+ %% Pid is probably trapping exits, hit it harder...
+ catch error_logger:warning_msg(
+ "Testcase process ~w not "
+ "responding to timetrap "
+ "timeout:~n"
+ " ~p.~n"
+ "Killing testcase...~n",
+ [Pid, Trap]),
+ exit(Pid, kill)
+ end;
+ false ->
+ ok
end.
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% timetrap_cancel(Handle) -> ok
%% Handle = term()
@@ -812,10 +816,19 @@ format_loc1({Mod,Func,Line}) ->
case {lists:member(no_src, get(test_server_logopts)),
lists:reverse(ModStr)} of
{false,[$E,$T,$I,$U,$S,$_|_]} ->
- io_lib:format("{~w,~w,<a href=\"~ts~ts#~w\">~w</a>}",
+ Link = if is_integer(Line) ->
+ integer_to_list(Line);
+ Line == last_expr ->
+ list_to_atom(atom_to_list(Func)++"-last_expr");
+ is_atom(Line) ->
+ atom_to_list(Line);
+ true ->
+ Line
+ end,
+ io_lib:format("{~w,~w,<a href=\"~ts~ts#~s\">~w</a>}",
[Mod,Func,
test_server_ctrl:uri_encode(downcase(ModStr)),
- ?src_listing_ext,Line,Line]);
+ ?src_listing_ext,Link,Line]);
_ ->
io_lib:format("{~w,~w,~w}",[Mod,Func,Line])
end.