%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2007-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
-module(escript_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_testcase/2,
end_per_testcase/2,
basic/1,
errors/1,
strange_name/1,
emulator_flags/1,
module_script/1,
beam_script/1,
archive_script/1,
archive_script_file_access/1,
epp/1,
create_and_extract/1,
foldl/1,
overflow/1,
verify_sections/3
]).
-include_lib("test_server/include/test_server.hrl").
-include_lib("kernel/include/file.hrl").
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[basic, errors, strange_name, emulator_flags,
module_script, beam_script, archive_script, epp,
create_and_extract, foldl, overflow,
archive_script_file_access].
groups() ->
[].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
init_per_testcase(_Case, Config) ->
?line Dog = ?t:timetrap(?t:minutes(2)),
[{watchdog,Dog}|Config].
end_per_testcase(_Case, Config) ->
Dog = ?config(watchdog, Config),
test_server:timetrap_cancel(Dog),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
basic(Config) when is_list(Config) ->
Data = ?config(data_dir, Config),
Dir = filename:absname(Data), %Get rid of trailing slash.
?line run(Dir, "factorial 5",
<<"factorial 5 = 120\nExitCode:0">>),
?line run(Dir, "factorial_compile 10",
<<"factorial 10 = 3628800\nExitCode:0">>),
?line run(Dir, "factorial_compile_main 7",
<<"factorial 7 = 5040\nExitCode:0">>),
?line run(Dir, "factorial_warning 20",
[data_dir,<<"factorial_warning:12: Warning: function bar/0 is unused\n"
"factorial 20 = 2432902008176640000\nExitCode:0">>]),
?line run_with_opts(Dir, "-s", "factorial_warning",
[data_dir,<<"factorial_warning:12: Warning: function bar/0 is unused\nExitCode:0">>]),
?line run_with_opts(Dir, "-s -i", "factorial_warning",
[data_dir,<<"factorial_warning:12: Warning: function bar/0 is unused\nExitCode:0">>]),
?line run_with_opts(Dir, "-c -s", "factorial_warning",
[data_dir,<<"factorial_warning:12: Warning: function bar/0 is unused\nExitCode:0">>]),
?line run(Dir, "filesize "++filename:join(?config(data_dir, Config),"filesize"),
[data_dir,<<"filesize:11: Warning: function id/1 is unused\n324\nExitCode:0">>]),
?line run(Dir, "test_script_name",
[data_dir,<<"test_script_name\nExitCode:0">>]),
?line run(Dir, "tail_rec 1000",
[<<"ok\nExitCode:0">>]),
%% We expect the trap_exit flag for the process to be false,
%% since that is the default state for newly spawned processes.
?line run(Dir, "trap_exit",
<<"false\nExitCode:0">>),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
errors(Config) when is_list(Config) ->
Data = ?config(data_dir, Config),
Dir = filename:absname(Data), %Get rid of trailing slash.
?line run(Dir, "compile_error",
[data_dir,<<"compile_error:5: syntax error before: '*'\n">>,
data_dir,<<"compile_error:8: syntax error before: blarf\n">>,
<<"escript: There were compilation errors.\nExitCode:127">>]),
?line run(Dir, "lint_error",
[data_dir,<<"lint_error:6: function main/1 already defined\n">>,
data_dir,"lint_error:8: variable 'ExitCode' is unbound\n",
<<"escript: There were compilation errors.\nExitCode:127">>]),
?line run_with_opts(Dir, "-s", "lint_error",
[data_dir,<<"lint_error:6: function main/1 already defined\n">>,
data_dir,"lint_error:8: variable 'ExitCode' is unbound\n",
<<"escript: There were compilation errors.\nExitCode:127">>]),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
strange_name(Config) when is_list(Config) ->
Data = ?config(data_dir, Config),
Dir = filename:absname(Data), %Get rid of trailing slash.
?line run(Dir, "strange.name -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"ExitCode:0">>]),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
emulator_flags(Config) when is_list(Config) ->
Data = ?config(data_dir, Config),
Dir = filename:absname(Data), %Get rid of trailing slash.
?line run(Dir, "emulator_flags -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"nostick:[{nostick,[]}]\n"
"mnesia:[{mnesia,[\"dir\",\"a/directory\"]},{mnesia,[\"debug\",\"verbose\"]}]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>]),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Pick the source code from the emulator_flags script
%% Generate a new escript with a module header
module_script(Config) when is_list(Config) ->
%% Read orig file
Data = ?config(data_dir, Config),
OrigFile = filename:join([Data,"emulator_flags"]),
{ok, OrigBin} = file:read_file(OrigFile),
?line [Shebang, Mode, Flags | Source] = string:tokens(binary_to_list(OrigBin), "\n"),
?line {ok, OrigFI} = file:read_file_info(OrigFile),
%% Write source file
Priv = ?config(priv_dir, Config),
Dir = filename:absname(Priv), % Get rid of trailing slash.
Base = "module_script",
ErlFile = filename:join([Priv, Base ++ ".erl"]),
ErlCode = ["\n-module(", Base, ").\n",
"-export([main/1]).\n\n",
string:join(Source, "\n"),
"\n"],
?line ok = file:write_file(ErlFile, ErlCode),
%%%%%%%
%% Create and run scripts without emulator flags
%% With shebang
NoArgsBase = Base ++ "_no_args_with_shebang",
NoArgsFile = filename:join([Priv, NoArgsBase]),
?line ok = file:write_file(NoArgsFile,
[Shebang, "\n",
ErlCode]),
?line ok = file:write_file_info(NoArgsFile, OrigFI),
?line run(Dir, NoArgsBase ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"nostick:[]\n"
"mnesia:[]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>]),
?line run_with_opts(Dir, "", NoArgsBase ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"nostick:[]\n"
"mnesia:[]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>]),
%% Without shebang
NoArgsBase2 = Base ++ "_no_args_without_shebang",
NoArgsFile2 = filename:join([Priv, NoArgsBase2]),
?line ok = file:write_file(NoArgsFile2,
["Something else than shebang!!!", "\n",
ErlCode]),
?line ok = file:write_file_info(NoArgsFile2, OrigFI),
?line run_with_opts(Dir, "", NoArgsBase2 ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"nostick:[]\n"
"mnesia:[]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>]),
%% Plain module without header
NoArgsBase3 = Base ++ "_no_args_without_header",
NoArgsFile3 = filename:join([Priv, NoArgsBase3]),
?line ok = file:write_file(NoArgsFile3, [ErlCode]),
?line ok = file:write_file_info(NoArgsFile3, OrigFI),
?line run_with_opts(Dir, "", NoArgsBase3 ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"nostick:[]\n"
"mnesia:[]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>]),
%%%%%%%
%% Create and run scripts with emulator flags
%% With shebang
ArgsBase = Base ++ "_args_with_shebang",
ArgsFile = filename:join([Priv, ArgsBase]),
?line ok = file:write_file(ArgsFile,
[Shebang, "\n",
Mode, "\n",
Flags, "\n",
ErlCode]),
?line ok = file:write_file_info(ArgsFile, OrigFI),
?line run(Dir, ArgsBase ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"nostick:[{nostick,[]}]\n"
"mnesia:[{mnesia,[\"dir\",\"a/directory\"]},{mnesia,[\"debug\",\"verbose\"]}]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>]),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Pick the source code from the emulator_flags script and compile it.
%% Generate a new escript containing the beam code and the escript header
beam_script(Config) when is_list(Config) ->
%% Read orig file
Data = ?config(data_dir, Config),
OrigFile = filename:join([Data,"emulator_flags"]),
{ok, OrigBin} = file:read_file(OrigFile),
?line [Shebang, Mode, Flags | Source] = string:tokens(binary_to_list(OrigBin), "\n"),
?line {ok, OrigFI} = file:read_file_info(OrigFile),
%% Write source file
Priv = ?config(priv_dir, Config),
Dir = filename:absname(Priv), % Get rid of trailing slash.
Base = "beam_script",
ErlFile = filename:join([Priv, Base ++ ".erl"]),
?line ok = file:write_file(ErlFile,
["\n-module(", Base, ").\n",
"-export([main/1]).\n\n",
string:join(Source, "\n"),
"\n"]),
%% Compile the code
?line {ok, _Mod, BeamCode} = compile:file(ErlFile, [binary]),
%%%%%%%
%% Create and run scripts without emulator flags
%% With shebang
NoArgsBase = Base ++ "_no_args_with_shebang",
NoArgsFile = filename:join([Priv, NoArgsBase]),
?line ok = file:write_file(NoArgsFile,
[Shebang, "\n",
BeamCode]),
?line ok = file:write_file_info(NoArgsFile, OrigFI),
?line run(Dir, NoArgsBase ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"nostick:[]\n"
"mnesia:[]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>]),
?line run_with_opts(Dir, "", NoArgsBase ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"nostick:[]\n"
"mnesia:[]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>]),
%% Without shebang
NoArgsBase2 = Base ++ "_no_args_without_shebang",
NoArgsFile2 = filename:join([Priv, NoArgsBase2]),
?line ok = file:write_file(NoArgsFile2,
["Something else than shebang!!!", "\n",
BeamCode]),
?line ok = file:write_file_info(NoArgsFile2, OrigFI),
?line run_with_opts(Dir, "", NoArgsBase2 ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"nostick:[]\n"
"mnesia:[]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>]),
%% Plain beam file without header
NoArgsBase3 = Base ++ "_no_args_without_header",
NoArgsFile3 = filename:join([Priv, NoArgsBase3]),
?line ok = file:write_file(NoArgsFile3, [BeamCode]),
?line ok = file:write_file_info(NoArgsFile3, OrigFI),
?line run_with_opts(Dir, "", NoArgsBase3 ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"nostick:[]\n"
"mnesia:[]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>]),
%%%%%%%
%% Create and run scripts with emulator flags
%% With shebang
ArgsBase = Base ++ "_args",
ArgsFile = filename:join([Priv, ArgsBase]),
?line ok = file:write_file(ArgsFile,
[Shebang, "\n",
Mode, "\n",
Flags, "\n",
BeamCode]),
?line ok = file:write_file_info(ArgsFile, OrigFI),
?line run(Dir, ArgsBase ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"nostick:[{nostick,[]}]\n"
"mnesia:[{mnesia,[\"dir\",\"a/directory\"]},{mnesia,[\"debug\",\"verbose\"]}]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>]),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Create an archive file containing two entire applications plus two
%% alternate main modules. Generate a new escript containing the archive
%% (with .app and .beam files and) and the escript header.
archive_script(Config) when is_list(Config) ->
%% Copy the orig files to priv_dir
DataDir = ?config(data_dir, Config),
PrivDir = ?config(priv_dir, Config),
Archive = filename:join([PrivDir, "archive_script.zip"]),
?line {ok, _} = zip:create(Archive, ["archive_script"],
[{compress, []}, {cwd, DataDir}]),
?line {ok, _} = zip:extract(Archive, [{cwd, PrivDir}]),
TopDir = filename:join([PrivDir, "archive_script"]),
%% Compile the code
?line ok = compile_app(TopDir, "archive_script_dict"),
?line ok = compile_app(TopDir, "archive_script_dummy"),
?line {ok, MainFiles} = file:list_dir(TopDir),
?line ok = compile_files(MainFiles, TopDir, TopDir),
%% Create the archive
{ok, TopFiles} = file:list_dir(TopDir),
?line {ok, {_, ArchiveBin}} = zip:create(Archive, TopFiles,
[memory, {compress, []}, {cwd, TopDir}]),
%% Read the source script
OrigFile = filename:join([DataDir, "emulator_flags"]),
{ok, OrigBin} = file:read_file(OrigFile),
?line [Shebang, Mode, _Flags | _Source] =
string:tokens(binary_to_list(OrigBin), "\n"),
Flags = "%%! -archive_script_dict foo bar"
" -archive_script_dict foo"
" -archive_script_dummy bar",
?line {ok, OrigFI} = file:read_file_info(OrigFile),
%%%%%%%
%% Create and run scripts without emulator flags
MainBase = "archive_script_main",
MainScript = filename:join([PrivDir, MainBase]),
%% With shebang
?line ok = file:write_file(MainScript,
[Shebang, "\n",
Flags, "\n",
ArchiveBin]),
?line ok = file:write_file_info(MainScript, OrigFI),
?line run(PrivDir, MainBase ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"dict:[{archive_script_dict,[\"foo\",\"bar\"]},{archive_script_dict,[\"foo\"]}]\n"
"dummy:[{archive_script_dummy,[\"bar\"]}]\n"
"priv:{ok,<<\"Some private data...\\n\">>}\n"
"ExitCode:0">>]),
?line run_with_opts(PrivDir, "", MainBase ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"dict:[{archive_script_dict,[\"foo\",\"bar\"]},{archive_script_dict,[\"foo\"]}]\n"
"dummy:[{archive_script_dummy,[\"bar\"]}]\n"
"priv:{ok,<<\"Some private data...\\n\">>}\n"
"ExitCode:0">>]),
?line ok = file:rename(MainScript, MainScript ++ "_with_shebang"),
%% Without shebang (no flags)
?line ok = file:write_file(MainScript,
["Something else than shebang!!!", "\n",
ArchiveBin]),
?line ok = file:write_file_info(MainScript, OrigFI),
?line run_with_opts(PrivDir, "", MainBase ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"dict:[]\n"
"dummy:[]\n"
"priv:{ok,<<\"Some private data...\\n\">>}\n"
"ExitCode:0">>]),
?line ok = file:rename(MainScript, MainScript ++ "_without_shebang"),
%% Plain archive without header (no flags)
?line ok = file:write_file(MainScript, [ArchiveBin]),
?line ok = file:write_file_info(MainScript, OrigFI),
?line run_with_opts(PrivDir, "", MainBase ++ " -arg1 arg2 arg3",
[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"dict:[]\n"
"dummy:[]\n"
"priv:{ok,<<\"Some private data...\\n\">>}\n"
"ExitCode:0">>]),
?line ok = file:rename(MainScript, MainScript ++ "_without_header"),
%%%%%%%
%% Create and run scripts with emulator flags
AltBase = "archive_script_alternate_main",
AltScript = filename:join([PrivDir, AltBase]),
?line ok = file:write_file(AltScript,
[Shebang, "\n",
Mode, "\n",
Flags, " -escript main archive_script_main2\n",
ArchiveBin]),
?line ok = file:write_file_info(AltScript, OrigFI),
?line run(PrivDir, AltBase ++ " -arg1 arg2 arg3",
[<<"main2:[\"-arg1\",\"arg2\",\"arg3\"]\n"
"dict:[{archive_script_dict,[\"foo\",\"bar\"]},{archive_script_dict,[\"foo\"]}]\n"
"dummy:[{archive_script_dummy,[\"bar\"]}]\n"
"priv:{ok,<<\"Some private data...\\n\">>}\n"
"ExitCode:0">>]),
ok.
%% Test the correction of OTP-10071
%% The errors identified are
%%
%% * If primary archive was named "xxx", then a file in the same
%% directory named "xxxyyy" would be interpreted as a file named yyy
%% inside the archive.
%%
%% * erl_prim_loader did not correctly create and normalize absolute
%% paths for primary archive and files inside it, so unless given
%% with exact same path files inside the archive would not be
%% found. E.g. if escript was started as ./xxx then "xxx/file" would
%% not be found since erl_prim_loader would try to match
%% /full/path/to/xxx with /full/path/to/./xxx. Same problem with
%% ../
%%
%% * Depending on how the primary archive was built,
%% erl_prim_loader:list_dir/1 would sometimes return an empty string
%% inside the file list. This was a virtual element representing the
%% top directory of the archive. This shall not occur.
%%
archive_script_file_access(Config) when is_list(Config) ->
%% Copy the orig files to priv_dir
DataDir = ?config(data_dir, Config),
PrivDir = ?config(priv_dir, Config),
MainMod = "archive_script_file_access",
MainSrc = MainMod ++ ".erl",
MainBeam = MainMod ++ ".beam",
Archive = filename:join([PrivDir, "archive_script_file_access.zip"]),
?line {ok, _} = zip:create(Archive, ["archive_script_file_access"],
[{compress, []}, {cwd, DataDir}]),
?line {ok, _} = zip:extract(Archive, [{cwd, PrivDir}]),
TopDir = filename:join([PrivDir, "archive_script_file_access"]),
%% Compile the code
?line ok = compile_files([MainSrc], TopDir, TopDir),
%% First, create a file structure which will be included in the archive:
%%
%% dir1/
%% dir1/subdir1/
%% dir1/subdir1/file1
%%
{ok, OldDir} = file:get_cwd(),
ok = file:set_cwd(TopDir),
DummyDir = "dir1",
DummySubDir = filename:join(DummyDir, "subdir1"),
RelDummyFile = filename:join(DummySubDir, "file1"),
DummyFile = filename:join(TopDir,RelDummyFile),
ok = filelib:ensure_dir(DummyFile),
ok = file:write_file(DummyFile, ["foo\nbar\nbaz"]),
%% 1. Create zip archive by adding the dummy file and the beam
%% file as binaries to zip.
%%
%% This used to provoke the following issues when the script was run as
%% "./<script_name>":
%% a. erl_prim_loader:read_file_info/1 returning 'error'
%% b. erl_prim_loader:list_dir/1 returning {ok, ["dir1", [], "file1"]}
%% leading to an infinite loop in reltool_target:spec_dir/1
Files1 =
lists:map(fun(Filename) ->
{ok, Bin} = file:read_file(Filename),
{Filename,Bin}
end,
[RelDummyFile,MainBeam]),
{ok, {"mem", Bin1}} = zip:create("mem", Files1, [memory]),
%% Create the escript
ScriptName1 = "archive_script_file_access1",
Script1 = filename:join([PrivDir, ScriptName1]),
Flags = "-escript main " ++ MainMod,
ok = escript:create(Script1,[shebang,{emu_args,Flags},{archive,Bin1}]),
ok = file:change_mode(Script1,8#00744),
%% Also add a dummy file in the same directory with the same name
%% as the script except is also has an extension. This used to
%% cause erl_prim_loader to believe it was a file inside the
%% script.
ok = file:write_file(Script1 ++ ".extension",
<<"same name as script, but with extension">>),
%% Change to script's directory and run it as "./<script_name>"
ok = file:set_cwd(PrivDir),
do_run(PrivDir, "./" ++ ScriptName1,
[<<"file_access:[]\n",
"ExitCode:0">>]),
ok = file:set_cwd(TopDir),
%% 2. Create zip archive by letting zip read the files from the file system
%%
%% The difference compared to the archive_script_file_access1 is
%% that this will have a file element for each directory in the
%% archive - while archive_script_file_access1 will only have a
%% file element per regular file.
Files2 = [DummyDir,MainBeam],
{ok, {"mem", Bin2}} = zip:create("mem", Files2, [memory]),
%% Create the escript
ScriptName2 = "archive_script_file_access2",
Script2 = filename:join([PrivDir, ScriptName2]),
ok = escript:create(Script2,[shebang,{emu_args,Flags},{archive,Bin2}]),
ok = file:change_mode(Script2,8#00744),
%% Also add a dummy file in the same directory with the same name
%% as the script except is also has an extension. This used to
%% cause erl_prim_loader to believe it was a file inside the
%% script.
ok = file:write_file(Script2 ++ ".extension",
<<"same name as script, but with extension">>),
%% Change to script's directory and run it as "./<script_name>"
ok = file:set_cwd(PrivDir),
do_run(PrivDir, "./" ++ ScriptName2,
[<<"file_access:[]\n",
"ExitCode:0">>]),
ok = file:set_cwd(OldDir).
compile_app(TopDir, AppName) ->
AppDir = filename:join([TopDir, AppName]),
SrcDir = filename:join([AppDir, "src"]),
OutDir = filename:join([AppDir, "ebin"]),
?line {ok, Files} = file:list_dir(SrcDir),
compile_files(Files, SrcDir, OutDir).
compile_files([File | Files], SrcDir, OutDir) ->
case filename:extension(File) of
".erl" ->
AbsFile = filename:join([SrcDir, File]),
case compile:file(AbsFile, [{outdir, OutDir}]) of
{ok, _Mod} ->
compile_files(Files, SrcDir, OutDir);
Error ->
{compilation_error, AbsFile, OutDir, Error}
end;
_ ->
compile_files(Files, SrcDir, OutDir)
end;
compile_files([], _, _) ->
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
epp(Config) when is_list(Config) ->
Data = ?config(data_dir, Config),
Dir = filename:absname(Data), %Get rid of trailing slash.
?line run(Dir, "factorial_epp 5",
<<"factorial 5 = 120\nExitCode:0">>),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
create_and_extract(Config) when is_list(Config) ->
{NewFile, FileInfo,
EmuArg, Source,
_ErlBase, ErlCode,
_BeamBase, BeamCode,
ArchiveBin} =
prepare_creation("create_and_extract", Config),
Bodies =
[[{source, ErlCode}],
[{beam, BeamCode}],
[{archive, ArchiveBin}]],
%% Verify all combinations of scripts with shebangs
[verify_sections(NewFile, FileInfo, S ++ C ++ E ++ B) ||
S <- [[{shebang, default}],
[{shebang, "/usr/bin/env escript"}]],
C <- [[],
[{comment, undefined}],
[{comment, default}],
[{comment, "This is a nonsense comment"}]],
E <- [[],
[{emu_args, undefined}],
[{emu_args, EmuArg}]],
B <- [[{source, Source}] | Bodies]],
%% Verify all combinations of scripts without shebangs
[verify_sections(NewFile, FileInfo, S ++ C ++ E ++ B) ||
S <- [[], [{shebang, undefined}]],
C <- [[], [{comment, undefined}]],
E <- [[], [{emu_args, undefined}]],
B <- Bodies],
%% Verify the compile_source option
file:delete(NewFile),
?line ok = escript:create(NewFile, [{source, Source}]),
?line {ok, [_, _, _, {source, Source}]} = escript:extract(NewFile, []),
?line {ok, [_, _, _, {source, BeamCode2}]} =
escript:extract(NewFile, [compile_source]),
verify_sections(NewFile, FileInfo,
[{shebang, default},
{comment, default},
{beam, BeamCode2}]),
file:delete(NewFile),
ok.
prepare_creation(Base, Config) ->
%% Read the source
PrivDir = ?config(priv_dir, Config),
DataDir = ?config(data_dir, Config),
OrigFile = filename:join([DataDir,"emulator_flags"]),
?line {ok, FileInfo} = file:read_file_info(OrigFile),
NewFile = filename:join([PrivDir, Base]),
?line {ok, [{shebang, default},
{comment, _},
{emu_args, EmuArg},
{source, Source}]} =
escript:extract(OrigFile, []),
%% Compile the code
ErlFile = NewFile ++ ".erl",
ErlCode = list_to_binary(["\n-module(", Base, ").\n",
"-export([main/1]).\n\n",
Source, "\n\n"]),
?line ok = file:write_file(ErlFile, ErlCode),
%% Compile the code
?line {ok, _Mod, BeamCode} =
compile:file(ErlFile, [binary, debug_info]),
%% Create an archive
?line {ok, {_, ArchiveBin}} =
zip:create("dummy_archive_name",
[{Base ++ ".erl", ErlCode},
{Base ++ ".beam", BeamCode}],
[{compress, []}, memory]),
{NewFile, FileInfo,
EmuArg, Source,
Base ++ ".erl", ErlCode,
Base ++ ".beam", BeamCode,
ArchiveBin}.
verify_sections(File, FileInfo, Sections) ->
io:format("~p:verify_sections(\n\t~p,\n\t~p,\n\t~p).\n",
[?MODULE, File, FileInfo, Sections]),
%% Create
file:delete(File),
?line ok = escript:create(File, Sections),
?line ok = file:write_file_info(File, FileInfo),
%% Run
Dir = filename:absname(filename:dirname(File)),
Base = filename:basename(File),
HasArg = fun(Tag) ->
case lists:keysearch(Tag, 1, Sections) of
false -> false;
{value, {_, undefined}} -> false;
{value, _} -> true
end
end,
ExpectedMain = <<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n">>,
ExpectedOutput =
case HasArg(emu_args) of
true ->
<<"nostick:[{nostick,[]}]\n"
"mnesia:[{mnesia,[\"dir\",\"a/directory\"]},{mnesia,[\"debug\",\"verbose\"]}]\n"
"ERL_FLAGS=false\n"
"unknown:[]\n"
"ExitCode:0">>;
false ->
<<"nostick:[]\nmnesia:[]\nERL_FLAGS=false\nunknown:[]\nExitCode:0">>
end,
InputArgs = Base ++ " -arg1 arg2 arg3",
Expected = <<ExpectedMain/binary, ExpectedOutput/binary>>,
case HasArg(shebang) of
true ->
?line run(Dir, InputArgs, [Expected]);
false ->
?line run_with_opts(Dir, [], InputArgs, [Expected])
end,
%% Verify
?line {ok, Bin} = escript:create(binary, Sections),
?line {ok, Read} = file:read_file(File),
?line Bin = Read, % Assert
Normalized = normalize_sections(Sections),
?line {ok, Extracted} = escript:extract(File, []),
io:format("Normalized; ~p\n", [Normalized]),
io:format("Extracted ; ~p\n", [Extracted]),
?line Normalized = Extracted, % Assert
ok.
normalize_sections(Sections) ->
AtomToTuple =
fun(Val) ->
if
is_atom(Val) -> {Val, default};
true -> Val
end
end,
case lists:map(AtomToTuple, [{K, V} || {K, V} <- Sections, V =/= undefined]) of
[{shebang, Shebang} | Rest] ->
[{shebang, Shebang} |
case Rest of
[{comment, Comment} | Rest2] ->
[{comment, Comment} |
case Rest2 of
[{emu_args, EmuArgs}, Body] ->
[{emu_args, EmuArgs}, Body];
[Body] ->
[{emu_args, undefined}, Body]
end
];
[{emu_args, EmuArgs}, Body] ->
[{comment, undefined}, {emu_args, EmuArgs}, Body];
[Body] ->
[{comment, undefined}, {emu_args, undefined}, Body]
end
];
[Body] ->
[{shebang, undefined}, {comment, undefined}, {emu_args, undefined}, Body]
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
foldl(Config) when is_list(Config) ->
{NewFile, _FileInfo,
_EmuArg, _Source,
ErlBase, ErlCode,
BeamBase, _BeamCode,
ArchiveBin} =
prepare_creation("foldl", Config),
Collect = fun(Name, GetInfo, GetBin, Acc) ->
[{Name, GetInfo(), GetBin()} | Acc]
end,
%% Get line numbers and the file attribute right
SourceFile = NewFile ++ ".erl",
<<_:1/binary, ErlCode2/binary>> = ErlCode,
?line ok = file:write_file(SourceFile, ErlCode2),
?line {ok, _Mod, BeamCode} =
compile:file(SourceFile, [binary, debug_info]),
%% Verify source script
?line ok = escript:create(SourceFile, [{source, ErlCode}]),
?line {ok, [{".", _, BeamCode2}]}
= escript_foldl(Collect, [], SourceFile),
?line {ok, Abstr} = beam_lib:chunks(BeamCode, [abstract_code]),
?line {ok, Abstr2} = beam_lib:chunks(BeamCode2, [abstract_code]),
%% io:format("abstr1=~p\n", [Abstr]),
%% io:format("abstr2=~p\n", [Abstr2]),
?line Abstr = Abstr2, % Assert
%% Verify beam script
?line ok = escript:create(NewFile, [{beam, BeamCode}]),
?line {ok, [{".", _, BeamCode}]}
= escript_foldl(Collect, [], NewFile),
%% Verify archive scripts
?line ok = escript:create(NewFile, [{archive, ArchiveBin}]),
?line {ok, [{BeamBase, #file_info{}, _},
{ErlBase, #file_info{}, _}]}
= escript_foldl(Collect, [], NewFile),
ArchiveFiles = [{ErlBase, ErlCode}, {BeamBase, BeamCode}],
?line ok = escript:create(NewFile, [{archive, ArchiveFiles, []}]),
?line {ok, [{BeamBase, _, _},
{ErlBase, _, _}]}
= escript_foldl(Collect, [], NewFile),
ok.
escript_foldl(Fun, Acc, File) ->
code:ensure_loaded(zip),
case erlang:function_exported(zip, foldl, 3) of
true ->
emulate_escript_foldl(Fun, Acc, File);
false ->
escript:foldl(Fun, Acc, File)
end.
emulate_escript_foldl(Fun, Acc, File) ->
case escript:extract(File, [compile_source]) of
{ok, [_Shebang, _Comment, _EmuArgs, Body]} ->
case Body of
{source, BeamCode} ->
GetInfo = fun() -> file:read_file_info(File) end,
GetBin = fun() -> BeamCode end,
{ok, Fun(".", GetInfo, GetBin, Acc)};
{beam, BeamCode} ->
GetInfo = fun() -> file:read_file_info(File) end,
GetBin = fun() -> BeamCode end,
{ok, Fun(".", GetInfo, GetBin, Acc)};
{archive, ArchiveBin} ->
zip:foldl(Fun, Acc, {File, ArchiveBin})
end;
{error, Reason} ->
{error, Reason}
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
overflow(Config) when is_list(Config) ->
Data = ?config(data_dir, Config),
Dir = filename:absname(Data), %Get rid of trailing slash.
?line run(Dir, "arg_overflow",
[<<"ExitCode:0">>]),
?line run(Dir, "linebuf_overflow",
[<<"ExitCode:0">>]),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
run(Dir, Cmd0, Expected0) ->
Expected = iolist_to_binary(expected_output(Expected0, Dir)),
Cmd = case os:type() of
{win32,_} -> "escript " ++ filename:nativename(Dir) ++ "\\" ++ Cmd0;
_ -> Cmd0
end,
do_run(Dir, Cmd, Expected).
run_with_opts(Dir, Opts, Cmd0, Expected) ->
Cmd = case os:type() of
{win32,_} -> "escript " ++ Opts ++ " " ++ filename:nativename(Dir) ++ "\\" ++ Cmd0;
_ -> "escript " ++ Opts ++ " " ++ Dir ++ "/" ++ Cmd0
end,
do_run(Dir, Cmd, Expected).
do_run(Dir, Cmd, Expected0) ->
io:format("Run: ~p\n", [Cmd]),
Expected = iolist_to_binary(expected_output(Expected0, Dir)),
Env = [{"PATH",Dir++":"++os:getenv("PATH")}],
Port = open_port({spawn,Cmd}, [exit_status,eof,in,{env,Env}]),
Res = get_data(Port, []),
receive
{Port,{exit_status,ExitCode}} ->
case iolist_to_binary([Res,"ExitCode:"++integer_to_list(ExitCode)]) of
Expected ->
ok;
Actual ->
io:format("Expected: ~p\n", [Expected]),
io:format("Actual: ~p\n", [Actual]),
?t:fail()
end
end.
get_data(Port, SoFar) ->
receive
{Port,{data,Bytes}} ->
get_data(Port, [SoFar|Bytes]);
{Port,eof} ->
erlang:port_close(Port),
SoFar
end.
expected_output([data_dir|T], Data) ->
Slash = case os:type() of
{win32,_} -> "\\";
_ -> "/"
end,
[filename:nativename(Data)++Slash|expected_output(T, Data)];
expected_output([H|T], Data) ->
[H|expected_output(T, Data)];
expected_output([], _) ->
[];
expected_output(Bin, _) when is_binary(Bin) ->
Bin.
