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%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
%% -------------------------------------------------------------------
%%
%% rebar: Erlang Build Tools
%%
%% Copyright (c) 2014 Tuncer Ayaz
%%
%% Permission is hereby granted, free of charge, to any person obtaining a copy
%% of this software and associated documentation files (the "Software"), to deal
%% in the Software without restriction, including without limitation the rights
%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
%% copies of the Software, and to permit persons to whom the Software is
%% furnished to do so, subject to the following conditions:
%%
%% The above copyright notice and this permission notice shall be included in
%% all copies or substantial portions of the Software.
%%
%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
%% THE SOFTWARE.
%% -------------------------------------------------------------------
-module(profile_rt).
-export([files/0,
run/1]).
-include_lib("eunit/include/eunit.hrl").
files() ->
[
{copy, "../../rebar", "rebar"}
].
run(_Dir) ->
Cmd = "./rebar list-deps",
FprofFiles = fprof_files(),
EflameFiles = ["eflame.trace", "eflame.svg"],
%% run a simple command (list-deps) without profiling
SharedExpected = "==> profile_rt \\(list-deps\\)",
%% run Cmd without profiling
retest:log(info, "Check '~s' without profiling~n", [Cmd]),
ok = check(Cmd, should_succeed, [SharedExpected], ["Profiling!"],
[], FprofFiles ++ EflameFiles),
%% run Cmd with fprof profiling
retest:log(info, "Check '~s' with fprof profiling~n", [Cmd]),
ok = check(Cmd ++ " -p", should_succeed,
[SharedExpected, "Profiling!", "See fprof\.analysis"],
["See eflame\.svg"],
FprofFiles, EflameFiles),
delete_files(FprofFiles),
%% run Cmd with explicitly selected fprof profiling
retest:log(info, "Check '~s' with explicitly selected fprof profiling~n",
[Cmd]),
ok = check(Cmd ++ " -p profiler=fprof", should_succeed,
[SharedExpected, "Profiling!", "See fprof\.analysis"],
["See eflame\.svg"],
FprofFiles, EflameFiles),
delete_files(FprofFiles),
case code:lib_dir(eflame) of
{error, bad_name} ->
retest:log(info,
"eflame not found in code path. skip eflame test~n"),
ok;
_EflameDir ->
%% run Cmd with eflame profiling
retest:log(info, "Check '~s' with eflame profiling~n", [Cmd]),
ok = check(Cmd ++ " -p profiler=eflame", should_succeed,
[SharedExpected, "Profiling!", "See eflame\.svg"],
["See fprof\.analysis"],
EflameFiles, FprofFiles),
delete_files(EflameFiles)
end,
ok.
fprof_files() ->
FprofFiles = ["fprof.trace", "fprof.analysis"],
CgrindFiles = ["fprof.cgrind"],
case os:find_executable("erlgrind") of
false ->
retest:log(info,
"erlgrind escript not found. skip fprof.cgrind check~n"),
FprofFiles;
_ErlGrind ->
FprofFiles ++ CgrindFiles
end.
check(Cmd, FailureMode, ExpectedOutput, UnexpectedOutput,
ExpectedFiles, UnexpectedFiles) ->
case {retest:sh(Cmd), FailureMode} of
{{error, _}=Error, should_succeed} ->
retest:log(error, "cmd '~s' failed:~n~p~n", [Cmd, Error]),
Error;
{{ok, CapturedOutput}, should_succeed} ->
JoinedOutput = string:join(CapturedOutput, "\n"),
check1(Cmd, JoinedOutput, ExpectedOutput, UnexpectedOutput,
ExpectedFiles, UnexpectedFiles);
{{error, {stopped, {_Rc, CapturedOutput}}}, should_fail} ->
JoinedOutput = string:join(CapturedOutput, "\n"),
check1(Cmd, JoinedOutput, ExpectedOutput, UnexpectedOutput,
ExpectedFiles, UnexpectedFiles)
end.
check1(Cmd, CapturedOutput, ExpectedOutput, UnexpectedOutput,
ExpectedFiles, UnexpectedFiles) ->
ReOpts = [{capture, all, list}],
ExMatches =
lists:zf(
fun(Pattern) ->
case re:run(CapturedOutput, Pattern, ReOpts) of
nomatch ->
retest:log(error,
"Expected pattern '~s' missing "
"in the following output:~n"
"=== BEGIN ===~n~s~n=== END ===~n",
[Pattern, CapturedOutput]),
{true, Pattern};
{match, _} ->
false
end
end, ExpectedOutput),
UnExMatches =
lists:zf(
fun(Pattern) ->
case re:run(CapturedOutput, Pattern, ReOpts) of
nomatch ->
false;
{match, [Match]} ->
retest:log(
console,
"Unexpected output when running cmd '~s':~n~s~n",
[Cmd, Match]),
{true, Match}
end
end, UnexpectedOutput),
ExFiles =
lists:zf(
fun(File) ->
case filelib:is_regular(File) of
true ->
false;
false ->
retest:log(error,
"Expected file missing: ~s~n", [File]),
{true, File}
end
end, ExpectedFiles),
UnExFiles =
lists:zf(
fun(File) ->
case filelib:is_regular(File) of
true ->
retest:log(error,
"Unexpected file found: ~s~n", [File]),
{true, File};
false ->
false
end
end, UnexpectedFiles),
case {ExMatches, UnExMatches, ExFiles, UnExFiles} of
{[], [], [], []} ->
ok;
_ ->
error
end.
delete_files(Files) ->
lists:foreach(fun(File) -> ok = file:delete(File) end, Files).
%%
%% Generate the contents of a simple .app file
%%
app(Name, Modules) ->
App = {application, Name,
[{description, atom_to_list(Name)},
{vsn, "1"},
{modules, Modules},
{registered, []},
{applications, [kernel, stdlib]}]},
io_lib:format("~p.\n", [App]).
|
