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Use temporal logic for check_trace()

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Scott Lystig Fritchie 2014-02-17 18:59:42 +09:00
parent e0ec95e8f7
commit 21a3fd6d07
1 changed files with 62 additions and 18 deletions
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80
prototype/corfurl/test/corfurl_pulse.erl
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@ -33,11 +33,9 @@
-include_lib("eunit/include/eunit.hrl").
-compile({parse_transform, pulse_instrument}).
%% -compile({pulse_replace_module,
%% [{application, pulse_application}]}).
-compile({pulse_skip,[{prop_pulse_test_,0},{really_delete_bitcask,0},{copy_bitcask_app,0}]}).
-compile({pulse_no_side_effect,[{file,'_','_'}, {erlang, now, 0}]}).
-compile({pulse_skip,[{prop_pulse_test_,0},{clean_up_runtime,1}]}).
%% -compile({pulse_no_side_effect,[{file,'_','_'}, {erlang, now, 0}]}).
%% Used for output within EUnit...
-define(QC_FMT(Fmt, Args),
@ -185,24 +183,70 @@ prop_pulse_test_() ->
?assert(eqc:quickcheck(eqc:testing_time(Timeout,?QC_OUT(prop_pulse()))))
end}.
check_trace(Trace, Cmds, _Seed) ->
%% TODO: yeah!!!!!!!!!!
Results = [X || {_TS, {result, _Pid, X}} <- Trace],
{CmdsSeq, CmdsPars} = Cmds,
NaiveCmds = CmdsSeq ++ lists:flatten(CmdsPars),
NaiveCommands = [{Sym, Args} || {set,_,{call,_,Sym,Args}} <- NaiveCmds],
NaiveAppends = [X || {append, _} = X <- NaiveCommands],
%% If you want to see PULSE causing crazy scheduling, then
%% use this code instead of the usual stuff.
%% check_trace(Trace, Cmds, _Seed) ->
%% Results = [X || {_TS, {result, _Pid, X}} <- Trace],
%% {CmdsSeq, CmdsPars} = Cmds,
%% NaiveCmds = CmdsSeq ++ lists:flatten(CmdsPars),
%% NaiveCommands = [{Sym, Args} || {set,_,{call,_,Sym,Args}} <- NaiveCmds],
%% NaiveAppends = [X || {append, _} = X <- NaiveCommands],
%% conjunction(
%% [{identity, equals(NaiveAppends, NaiveAppends)},
%% {bogus_order_check_do_not_use_me, equals(Results, lists:usort(Results))}]).
%% If you want to see PULSE causing crazy scheduling, then
%% use this commented conjunction() instead of the real one:
%% conjunction(
%% [{identity, equals(NaiveAppends, NaiveAppends)},
%% {bogus_order_check_do_not_use_me, equals(Results, lists:usort(Results))}]).
%% Example Trace (raw event info, from the ?LOG macro)
%%
%% [{32014,{call,<0.467.0>,{append,<<"O">>}}},
%% {32421,{call,<0.466.0>,{append,<<134>>}}},
%% {44522,{result,<0.467.0>,{ok,1}}},
%% {47651,{result,<0.466.0>,{ok,2}}}]
check_trace(Trace, _Cmds, _Seed) ->
Events = eqc_temporal:from_timed_list(Trace),
%% Example Events, temporal style, 1 usec resolution, same as original trace
%%
%% [{0,32014,[]},
%% {32014,32015,[{call,<0.467.0>,{append,<<"O">>}}]},
%% {32015,32421,[]},
%% {32421,32422,[{call,<0.466.0>,{append,<<134>>}}]},
%% {32422,44522,[]},
%% {44522,44523,[{result,<0.467.0>,{ok,...}}]},
%% {44523,47651,[]},
%% {47651,47652,[{result,<0.466.0>,{ok,...}}]},
%% {47652,infinity,[]}]
Calls = eqc_temporal:stateful(
fun({call, Pid, Call}) -> [{call, Pid, Call}] end,
fun({call, Pid, _Call}, {result, Pid, _}) -> [] end,
Events),
%% Example Calls (temporal map of when a call is in progress)
%%
%% [{0,32014,[]},
%% {32014,32421,[{call,<0.467.0>,{append,<<"O">>}}]},
%% {32421,44522,
%% [{call,<0.466.0>,{append,<<134>>}},{call,<0.467.0>,{append,<<"O">>}}]},
%% {44522,47651,[{call,<0.466.0>,{append,<<134>>}}]},
%% {47651,infinity,[]}]
AppendResultFilter = fun({ok, LPN}) -> LPN;
(Else) -> Else end,
AppendResults = eqc_temporal:stateful(
fun({call, Pid, Call}) -> [{call, Pid, Call}] end,
fun({call, Pid, {append, _Pg}}, {result, Pid, Res}) ->
[AppendResultFilter(Res)] end,
Events),
%% Desired properties
AllCallsFinish = eqc_temporal:is_false(eqc_temporal:all_future(Calls)),
NoAppendLPNDups = lists:sort(AppendResults) == lists:usort(AppendResults),
conjunction(
[{hackkkkk_NumResults_match_NumAppends, equals(length(NaiveAppends), length(Results))},
{no_duplicate_results, equals(lists:sort(Results), lists:usort(Results))}]).
[
{all_calls_finish, AllCallsFinish},
{no_append_duplicates, NoAppendLPNDups}
]).
%% Presenting command data statistics in a nicer way
command_data({set, _, {call, _, Fun, _}}, {_S, _V}) ->