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-rw-r--r--lib/kernel/test/os_SUITE.erl349
1 files changed, 192 insertions, 157 deletions
diff --git a/lib/kernel/test/os_SUITE.erl b/lib/kernel/test/os_SUITE.erl
index 29d8d10262..e76d6ec482 100644
--- a/lib/kernel/test/os_SUITE.erl
+++ b/lib/kernel/test/os_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2016. 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.
@@ -20,17 +20,24 @@
-module(os_SUITE).
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
- init_per_group/2,end_per_group/2]).
+ init_per_group/2,end_per_group/2,
+ init_per_testcase/2,end_per_testcase/2]).
-export([space_in_cwd/1, quoting/1, cmd_unicode/1, space_in_name/1, bad_command/1,
- find_executable/1, unix_comment_in_command/1, deep_list_command/1, evil/1]).
+ find_executable/1, unix_comment_in_command/1, deep_list_command/1,
+ large_output_command/1, background_command/0, background_command/1,
+ message_leak/1, close_stdin/0, close_stdin/1, perf_counter_api/1]).
--include_lib("test_server/include/test_server.hrl").
+-include_lib("common_test/include/ct.hrl").
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+ [{ct_hooks,[ts_install_cth]},
+ {timetrap,{minutes,1}}].
all() ->
[space_in_cwd, quoting, cmd_unicode, space_in_name, bad_command,
- find_executable, unix_comment_in_command, deep_list_command, evil].
+ find_executable, unix_comment_in_command, deep_list_command,
+ large_output_command, background_command, message_leak,
+ close_stdin, perf_counter_api].
groups() ->
[].
@@ -47,16 +54,27 @@ init_per_group(_GroupName, Config) ->
end_per_group(_GroupName, Config) ->
Config.
+init_per_testcase(TC, Config)
+ when TC =:= background_command; TC =:= close_stdin ->
+ case os:type() of
+ {win32, _} ->
+ {skip,"Should not work on windows"};
+ _ ->
+ Config
+ end;
+init_per_testcase(_TC,Config) ->
+ Config.
-space_in_cwd(doc) ->
- "Test that executing a command in a current working directory "
- "with space in its name works.";
-space_in_cwd(suite) -> [];
+end_per_testcase(_,_Config) ->
+ ok.
+
+%% Test that executing a command in a current working directory
+%% with space in its name works.
space_in_cwd(Config) when is_list(Config) ->
- ?line PrivDir = ?config(priv_dir, Config),
- ?line Dirname = filename:join(PrivDir, "cwd with space"),
- ?line ok = file:make_dir(Dirname),
- ?line ok = file:set_cwd(Dirname),
+ PrivDir = proplists:get_value(priv_dir, Config),
+ Dirname = filename:join(PrivDir, "cwd with space"),
+ ok = file:make_dir(Dirname),
+ ok = file:set_cwd(Dirname),
%% Using `more' gives the almost the same result on both Unix and Windows.
@@ -67,70 +85,66 @@ space_in_cwd(Config) when is_list(Config) ->
"more </dev/null"
end,
- ?line case os:cmd(Cmd) of
- [] -> ok; % Unix.
- "\r\n" -> ok; % Windows.
- Other ->
- ?line test_server:fail({unexpected, Other})
- end,
+ case os:cmd(Cmd) of
+ [] -> ok; % Unix.
+ "\r\n" -> ok; % Windows.
+ Other ->
+ ct:fail({unexpected, Other})
+ end,
- ?t:sleep(5),
- ?line [] = receive_all(),
+ ct:sleep(5),
+ [] = receive_all(),
ok.
-quoting(doc) -> "Test that various ways of quoting arguments work.";
-quoting(suite) -> [];
+%% Test that various ways of quoting arguments work.
quoting(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line Echo = filename:join(DataDir, "my_echo"),
-
- ?line comp("one", os:cmd(Echo ++ " one")),
- ?line comp("one::two", os:cmd(Echo ++ " one two")),
- ?line comp("one two", os:cmd(Echo ++ " \"one two\"")),
- ?line comp("x::one two::y", os:cmd(Echo ++ " x \"one two\" y")),
- ?line comp("x::one two", os:cmd(Echo ++ " x \"one two\"")),
- ?line comp("one two::y", os:cmd(Echo ++ " \"one two\" y")),
- ?line comp("x::::y", os:cmd(Echo ++ " x \"\" y")),
- ?t:sleep(5),
- ?line [] = receive_all(),
+ DataDir = proplists:get_value(data_dir, Config),
+ Echo = filename:join(DataDir, "my_echo"),
+
+ comp("one", os:cmd(Echo ++ " one")),
+ comp("one::two", os:cmd(Echo ++ " one two")),
+ comp("one two", os:cmd(Echo ++ " \"one two\"")),
+ comp("x::one two::y", os:cmd(Echo ++ " x \"one two\" y")),
+ comp("x::one two", os:cmd(Echo ++ " x \"one two\"")),
+ comp("one two::y", os:cmd(Echo ++ " \"one two\" y")),
+ comp("x::::y", os:cmd(Echo ++ " x \"\" y")),
+ ct:sleep(5),
+ [] = receive_all(),
ok.
-cmd_unicode(doc) -> "Test that unicode arguments work.";
-cmd_unicode(suite) -> [];
+%% Test that unicode arguments work.
cmd_unicode(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line Echo = filename:join(DataDir, "my_echo"),
-
- ?line comp("one", os:cmd(Echo ++ " one")),
- ?line comp("one::two", os:cmd(Echo ++ " one two")),
- ?line comp("åäö::ϼΩ", os:cmd(Echo ++ " åäö " ++ [1020, 937])),
- ?t:sleep(5),
- ?line [] = receive_all(),
+ DataDir = proplists:get_value(data_dir, Config),
+ Echo = filename:join(DataDir, "my_echo"),
+
+ comp("one", os:cmd(Echo ++ " one")),
+ comp("one::two", os:cmd(Echo ++ " one two")),
+ comp("åäö::ϼΩ", os:cmd(Echo ++ " åäö " ++ [1020, 937])),
+ ct:sleep(5),
+ [] = receive_all(),
ok.
-space_in_name(doc) ->
- "Test that program with a space in its name can be executed.";
-space_in_name(suite) -> [];
+%% Test that program with a space in its name can be executed.
space_in_name(Config) when is_list(Config) ->
- ?line PrivDir = ?config(priv_dir, Config),
- ?line DataDir = ?config(data_dir, Config),
- ?line Spacedir = filename:join(PrivDir, "program files"),
+ PrivDir = proplists:get_value(priv_dir, Config),
+ DataDir = proplists:get_value(data_dir, Config),
+ Spacedir = filename:join(PrivDir, "program files"),
Ext = case os:type() of
{win32,_} -> ".exe";
_ -> ""
end,
- ?line OrigEcho = filename:join(DataDir, "my_echo" ++ Ext),
- ?line Echo0 = filename:join(Spacedir, "my_echo" ++ Ext),
+ OrigEcho = filename:join(DataDir, "my_echo" ++ Ext),
+ Echo0 = filename:join(Spacedir, "my_echo" ++ Ext),
%% Copy the `my_echo' program to a directory whose name contains a space.
- ?line ok = file:make_dir(Spacedir),
- ?line {ok, Bin} = file:read_file(OrigEcho),
- ?line ok = file:write_file(Echo0, Bin),
- ?line Echo = filename:nativename(Echo0),
- ?line ok = file:change_mode(Echo, 8#777), % Make it executable on Unix.
+ ok = file:make_dir(Spacedir),
+ {ok, Bin} = file:read_file(OrigEcho),
+ ok = file:write_file(Echo0, Bin),
+ Echo = filename:nativename(Echo0),
+ ok = file:change_mode(Echo, 8#777), % Make it executable on Unix.
%% Run the echo program.
%% Quoting on windows depends on if the full path of the executable
@@ -146,78 +160,74 @@ space_in_name(Config) when is_list(Config) ->
_ ->
"\""
end,
- ?line comp("", os:cmd(Quote ++ Echo ++ Quote)),
- ?line comp("a::b::c", os:cmd(Quote ++ Echo ++ Quote ++ " a b c")),
- ?t:sleep(5),
- ?line [] = receive_all(),
+ comp("", os:cmd(Quote ++ Echo ++ Quote)),
+ comp("a::b::c", os:cmd(Quote ++ Echo ++ Quote ++ " a b c")),
+ ct:sleep(5),
+ [] = receive_all(),
ok.
-bad_command(doc) ->
- "Check that a bad command doesn't crasch the server or the emulator (it used to).";
-bad_command(suite) -> [];
+%% Check that a bad command doesn't crasch the server or the emulator (it used to).
bad_command(Config) when is_list(Config) ->
- ?line catch os:cmd([a|b]),
- ?line catch os:cmd({bad, thing}),
+ catch os:cmd([a|b]),
+ catch os:cmd({bad, thing}),
%% This should at least not crash (on Unix it typically returns
%% a message from the shell).
- ?line os:cmd("xxxxx"),
+ os:cmd("xxxxx"),
ok.
-find_executable(suite) -> [];
-find_executable(doc) -> [];
find_executable(Config) when is_list(Config) ->
case os:type() of
{win32, _} ->
- ?line DataDir = filename:join(?config(data_dir, Config), "win32"),
- ?line ok = file:set_cwd(filename:join([DataDir, "current"])),
- ?line Bin = filename:join(DataDir, "bin"),
- ?line Abin = filename:join(DataDir, "abin"),
- ?line UsrBin = filename:join([DataDir, "usr", "bin"]),
- ?line {ok, Current} = file:get_cwd(),
+ DataDir = filename:join(proplists:get_value(data_dir, Config), "win32"),
+ ok = file:set_cwd(filename:join([DataDir, "current"])),
+ Bin = filename:join(DataDir, "bin"),
+ Abin = filename:join(DataDir, "abin"),
+ UsrBin = filename:join([DataDir, "usr", "bin"]),
+ {ok, Current} = file:get_cwd(),
- ?line Path = lists:concat([Bin, ";", Abin, ";", UsrBin]),
- ?line io:format("Path = ~s", [Path]),
+ Path = lists:concat([Bin, ";", Abin, ";", UsrBin]),
+ io:format("Path = ~s", [Path]),
%% Search for programs in Bin (second element in PATH).
- ?line find_exe(Abin, "my_ar", ".exe", Path),
- ?line find_exe(Abin, "my_ascii", ".com", Path),
- ?line find_exe(Abin, "my_adb", ".bat", Path),
+ find_exe(Abin, "my_ar", ".exe", Path),
+ find_exe(Abin, "my_ascii", ".com", Path),
+ find_exe(Abin, "my_adb", ".bat", Path),
%% OTP-3626 find names of executables given with extension
- ?line find_exe(Abin, "my_ar.exe", "", Path),
- ?line find_exe(Abin, "my_ascii.com", "", Path),
- ?line find_exe(Abin, "my_adb.bat", "", Path),
- ?line find_exe(Abin, "my_ar.EXE", "", Path),
- ?line find_exe(Abin, "my_ascii.COM", "", Path),
- ?line find_exe(Abin, "MY_ADB.BAT", "", Path),
+ find_exe(Abin, "my_ar.exe", "", Path),
+ find_exe(Abin, "my_ascii.com", "", Path),
+ find_exe(Abin, "my_adb.bat", "", Path),
+ find_exe(Abin, "my_ar.EXE", "", Path),
+ find_exe(Abin, "my_ascii.COM", "", Path),
+ find_exe(Abin, "MY_ADB.BAT", "", Path),
%% Search for programs in Abin (second element in PATH).
- ?line find_exe(Abin, "my_ar", ".exe", Path),
- ?line find_exe(Abin, "my_ascii", ".com", Path),
- ?line find_exe(Abin, "my_adb", ".bat", Path),
+ find_exe(Abin, "my_ar", ".exe", Path),
+ find_exe(Abin, "my_ascii", ".com", Path),
+ find_exe(Abin, "my_adb", ".bat", Path),
%% Search for programs in the current working directory.
- ?line find_exe(Current, "my_program", ".exe", Path),
- ?line find_exe(Current, "my_command", ".com", Path),
- ?line find_exe(Current, "my_batch", ".bat", Path),
+ find_exe(Current, "my_program", ".exe", Path),
+ find_exe(Current, "my_command", ".com", Path),
+ find_exe(Current, "my_batch", ".bat", Path),
ok;
{unix, _} ->
- DataDir = ?config(data_dir, Config),
+ DataDir = proplists:get_value(data_dir, Config),
%% Smoke test.
case lib:progname() of
erl ->
- ?line ErlPath = os:find_executable("erl"),
- ?line true = is_list(ErlPath),
- ?line true = filelib:is_regular(ErlPath);
+ ErlPath = os:find_executable("erl"),
+ true = is_list(ErlPath),
+ true = filelib:is_regular(ErlPath);
_ ->
%% Don't bother -- the progname could include options.
ok
end,
%% Never return a directory name.
- ?line false = os:find_executable("unix", [DataDir]),
+ false = os:find_executable("unix", [DataDir]),
ok
end.
@@ -233,29 +243,23 @@ find_exe(Where, Name, Ext, Path) ->
Other ->
io:format("Expected ~p; got (converted to absolute) ~p",
[Expected, Other]),
- test_server:fail()
+ ct:fail(failed)
end;
Other ->
io:format("Expected ~p; got ~p", [Expected, Other]),
- test_server:fail()
+ ct:fail(failed)
end.
-unix_comment_in_command(doc) ->
- "OTP-1805: Test that os:cmd(\"ls #\") works correctly (used to hang).";
-unix_comment_in_command(suite) -> [];
+%% OTP-1805: Test that os:cmd(\ls #\) works correctly (used to hang).
unix_comment_in_command(Config) when is_list(Config) ->
- ?line Dog = test_server:timetrap(test_server:seconds(20)),
- ?line Priv = ?config(priv_dir, Config),
- ?line ok = file:set_cwd(Priv),
- ?line _ = os:cmd("ls #"), % Any result is ok.
- ?t:sleep(5),
- ?line [] = receive_all(),
- ?line test_server:timetrap_cancel(Dog),
+ Priv = proplists:get_value(priv_dir, Config),
+ ok = file:set_cwd(Priv),
+ _ = os:cmd("ls #"), % Any result is ok.
+ ct:sleep(5),
+ [] = receive_all(),
ok.
-deep_list_command(doc) ->
- "Check that a deep list in command works equally on unix and on windows.";
-deep_list_command(suite) -> [];
+%% Check that a deep list in command works equally on unix and on windows.
deep_list_command(Config) when is_list(Config) ->
%% As a 'io_lib' module description says: "There is no guarantee that the
%% character lists returned from some of the functions are flat, they can
@@ -267,50 +271,81 @@ deep_list_command(Config) when is_list(Config) ->
%% FYI: [$e, $c, "ho"] =:= io_lib:format("ec~s", ["ho"])
ok.
+%% Test to make sure that the correct data is
+%% received when doing large commands.
+large_output_command(Config) when is_list(Config) ->
+ %% Maximum allowed on windows is 8192, so we test well below that
+ AAA = lists:duplicate(7000, $a),
+ comp(AAA,os:cmd("echo " ++ AAA)).
--define(EVIL_PROCS, 100).
--define(EVIL_LOOPS, 100).
--define(PORT_CREATOR, os_cmd_port_creator).
-evil(Config) when is_list(Config) ->
- Dog = test_server:timetrap(test_server:minutes(5)),
- Parent = self(),
- Ps = lists:map(fun (N) ->
- spawn_link(fun () ->
- evil_loop(Parent, ?EVIL_LOOPS,N)
- end)
- end, lists:seq(1, ?EVIL_PROCS)),
- Devil = spawn_link(fun () -> devil(hd(Ps), hd(lists:reverse(Ps))) end),
- lists:foreach(fun (P) -> receive {P, done} -> ok end end, Ps),
- unlink(Devil),
- exit(Devil, kill),
- test_server:timetrap_cancel(Dog),
- ok.
+%% Test that it is possible on unix to start a background task using os:cmd.
+background_command() ->
+ [{timetrap, {seconds, 5}}].
+background_command(_Config) ->
+ %% This testcase fails when the os:cmd takes
+ %% longer then the 5 second timeout
+ os:cmd("sleep 10&").
+
+%% Test that message does not leak to the calling process
+message_leak(_Config) ->
+ process_flag(trap_exit, true),
-devil(P1, P2) ->
- erlang:display({?PORT_CREATOR, whereis(?PORT_CREATOR)}),
- (catch ?PORT_CREATOR ! lists:seq(1,1000000)),
- (catch ?PORT_CREATOR ! lists:seq(1,666)),
- (catch ?PORT_CREATOR ! grrrrrrrrrrrrrrrr),
- (catch ?PORT_CREATOR ! {'EXIT', P1, buhuuu}),
- (catch ?PORT_CREATOR ! {'EXIT', hd(erlang:ports()), buhuuu}),
- (catch ?PORT_CREATOR ! {'EXIT', P2, arggggggg}),
- receive after 500 -> ok end,
- (catch exit(whereis(?PORT_CREATOR), kill)),
- (catch ?PORT_CREATOR ! ">8|"),
- receive after 500 -> ok end,
- (catch exit(whereis(?PORT_CREATOR), diiiiiiiiiiiiiiiiiiiie)),
- receive after 100 -> ok end,
- devil(P1, P2).
-
-evil_loop(Parent, Loops, N) ->
- Res = integer_to_list(N),
- evil_loop(Parent, Loops, Res, "echo " ++ Res).
-
-evil_loop(Parent, 0, _Res, _Cmd) ->
- Parent ! {self(), done};
-evil_loop(Parent, Loops, Res, Cmd) ->
- comp(Res, os:cmd(Cmd)),
- evil_loop(Parent, Loops-1, Res, Cmd).
+ os:cmd("echo hello"),
+ [] = receive_all(),
+
+ case os:type() of
+ {unix, _} ->
+ os:cmd("for i in $(seq 1 100); do echo hello; done&"),
+ [] = receive_all();
+ _ ->
+ ok % Cannot background on non-unix
+ end,
+
+ process_flag(trap_exit, false).
+
+%% Test that os:cmd closes stdin of the program that is executed
+close_stdin() ->
+ [{timetrap, {seconds, 5}}].
+close_stdin(Config) ->
+ DataDir = proplists:get_value(data_dir, Config),
+ Fds = filename:join(DataDir, "my_fds"),
+
+ "-1" = os:cmd(Fds).
+
+
+%% Test that the os:perf_counter api works as expected
+perf_counter_api(_Config) ->
+
+ true = is_integer(os:perf_counter()),
+ true = os:perf_counter() > 0,
+
+ T1 = os:perf_counter(),
+ timer:sleep(100),
+ T2 = os:perf_counter(),
+ TsDiff = erlang:convert_time_unit(T2 - T1, perf_counter, nano_seconds),
+ ct:pal("T1: ~p~n"
+ "T2: ~p~n"
+ "TsDiff: ~p~n",
+ [T1,T2,TsDiff]),
+
+ %% We allow a 15% diff
+ true = TsDiff < 115000000,
+ true = TsDiff > 85000000,
+
+ T1Ms = os:perf_counter(1000),
+ timer:sleep(100),
+ T2Ms = os:perf_counter(1000),
+ MsDiff = T2Ms - T1Ms,
+ ct:pal("T1Ms: ~p~n"
+ "T2Ms: ~p~n"
+ "MsDiff: ~p~n",
+ [T1Ms,T2Ms,MsDiff]),
+
+ %% We allow a 15% diff
+ true = MsDiff < 115,
+ true = MsDiff > 85.
+
+%% Util functions
comp(Expected, Got) ->
case strip_nl(Got) of
@@ -319,7 +354,7 @@ comp(Expected, Got) ->
Other ->
ok = io:format("Expected: ~ts\n", [Expected]),
ok = io:format("Got: ~ts\n", [Other]),
- test_server:fail()
+ ct:fail(failed)
end.
%% Like lib:nonl/1, but strips \r as well as \n.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 15:10:48 +0000