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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/stdlib/test/tar_SUITE.erl
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The R13B03 release.OTP_R13B03
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1997-2009. 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(tar_SUITE).
+
+-export([all/1, borderline/1, atomic/1, long_names/1,
+ create_long_names/1, bad_tar/1, errors/1, extract_from_binary/1,
+ extract_from_binary_compressed/1,
+ extract_from_open_file/1, symlinks/1, open_add_close/1, cooked_compressed/1,
+ memory/1]).
+
+-include("test_server.hrl").
+-include_lib("kernel/include/file.hrl").
+
+all(suite) -> [borderline, atomic, long_names, create_long_names,
+ bad_tar, errors,
+ extract_from_binary, extract_from_binary_compressed,
+ extract_from_open_file,
+ symlinks, open_add_close, cooked_compressed,
+ memory].
+
+borderline(doc) ->
+ ["Test creating, listing and extracting one file from an archive",
+ "multiple times with different file sizes. ",
+ "Also check that the file attributes of the extracted file has survived."];
+borderline(Config) when is_list(Config) ->
+
+ %% Note: We cannot use absolute paths, because the pathnames will be
+ %% too long for the limit allowed in tar files (100 characters).
+ %% Therefore, strip off the current working directory from the front
+ %% of the private directory path.
+
+ ?line {ok, Cwd} = file:get_cwd(),
+ ?line RootDir = ?config(priv_dir, Config),
+ ?line TempDir = remove_prefix(Cwd++"/", filename:join(RootDir, borderline)),
+ ?line ok = file:make_dir(TempDir),
+
+ ?line Record = 512,
+ ?line Block = 20 * Record,
+
+ ?line lists:foreach(fun(Size) -> borderline_test(Size, TempDir) end,
+ [0, 1, 10, 13, 127, 333, Record-1, Record, Record+1,
+ Block-Record-1, Block-Record, Block-Record+1,
+ Block-1, Block, Block+1,
+ Block+Record-1, Block+Record, Block+Record+1]),
+
+ %% Clean up.
+ ?line delete_files([TempDir]),
+
+ ok.
+
+borderline_test(Size, TempDir) ->
+ ?line Archive = filename:join(TempDir, "ar_"++integer_to_list(Size)++".tar"),
+ ?line Name = filename:join(TempDir, "file_"++integer_to_list(Size)),
+ ?line io:format("Testing size ~p", [Size]),
+
+ %% Create a file and archive it.
+ ?line {_, _, X0} = erlang:now(),
+ ?line file:write_file(Name, random_byte_list(X0, Size)),
+ ?line ok = erl_tar:create(Archive, [Name]),
+ ?line ok = file:delete(Name),
+
+ %% Verify listing and extracting.
+ ?line {ok, [Name]} = erl_tar:table(Archive),
+ ?line ok = erl_tar:extract(Archive, [verbose]),
+
+ %% Verify contents of extracted file.
+ ?line {ok, Bin} = file:read_file(Name),
+ ?line true = match_byte_list(X0, binary_to_list(Bin)),
+
+ %% Verify that Unix tar can read it.
+ ?line tar_tf(Archive, Name),
+
+ ok.
+
+tar_tf(Archive, Name) ->
+ case os:type() of
+ {unix, _} ->
+ tar_tf1(Archive, Name);
+ _ ->
+ ok
+ end.
+
+tar_tf1(Archive, Name) ->
+ ?line Expect = Name ++ "\n",
+ ?line cmd_expect("tar tf " ++ Archive, Expect).
+
+%% We can't use os:cmd/1, because Unix 'tar tf Name' on Solaris never
+%% terminates when given an archive of a size it doesn't like.
+
+cmd_expect(Cmd, Expect) ->
+ ?line Port = open_port({spawn, make_cmd(Cmd)}, [stream, in, eof]),
+ ?line get_data(Port, Expect).
+
+get_data(Port, Expect) ->
+ receive
+ {Port, {data, Bytes}} ->
+ ?line get_data(Port, match_output(Bytes, Expect, Port));
+ {Port, eof} ->
+ Port ! {self(), close},
+ receive
+ {Port, closed} ->
+ true
+ end,
+ receive
+ {'EXIT', Port, _} ->
+ ok
+ after 1 -> % force context switch
+ ok
+ end,
+ ?line match_output(eof, Expect, Port)
+ end.
+
+match_output([C|Output], [C|Expect], Port) ->
+ ?line match_output(Output, Expect, Port);
+match_output([_|_], [_|_], Port) ->
+ ?line kill_port_and_fail(Port, badmatch);
+match_output([X|Output], [], Port) ->
+ ?line kill_port_and_fail(Port, {too_much_data, [X|Output]});
+match_output([], Expect, _Port) ->
+ Expect;
+match_output(eof, [], _Port) ->
+ [];
+match_output(eof, _Expect, Port) ->
+ ?line kill_port_and_fail(Port, unexpected_end_of_input).
+
+kill_port_and_fail(Port, Reason) ->
+ unlink(Port),
+ exit(Port, die),
+ test_server:fail(Reason).
+
+make_cmd(Cmd) ->
+ case os:type() of
+ {win32, _} -> lists:concat(["cmd /c", Cmd]);
+ {unix, _} -> lists:concat(["sh -c '", Cmd, "'"])
+ end.
+
+%% Verifies a random byte list.
+
+match_byte_list(X0, [Byte|Rest]) ->
+ X = next_random(X0),
+ case (X bsr 26) band 16#ff of
+ Byte -> match_byte_list(X, Rest);
+ _ -> false
+ end;
+match_byte_list(_, []) ->
+ true.
+
+%% Generates a random byte list.
+
+random_byte_list(X0, Count) ->
+ random_byte_list(X0, Count, []).
+
+random_byte_list(X0, Count, Result) when Count > 0->
+ X = next_random(X0),
+ random_byte_list(X, Count-1, [(X bsr 26) band 16#ff|Result]);
+random_byte_list(_X, 0, Result) ->
+ lists:reverse(Result).
+
+%% This RNG is from line 21 on page 102 in Knuth: The Art of Computer Programming,
+%% Volume II, Seminumerical Algorithms.
+
+next_random(X) ->
+ (X*17059465+1) band 16#fffffffff.
+
+atomic(doc) ->
+ ["Test the 'atomic' operations: create/extract/table, on compressed "
+ "and uncompressed archives."
+ "Also test the 'cooked' option."];
+atomic(suite) -> [];
+atomic(Config) when list(Config) ->
+ ?line ok = file:set_cwd(?config(priv_dir, Config)),
+ ?line DataFiles = data_files(),
+ ?line Names = [Name || {Name,_,_} <- DataFiles],
+ io:format("Names: ~p", [Names]),
+
+ %% Create an uncompressed archive. The compressed flag should still be
+ %% allowed when listing contents or extracting.
+
+ ?line Tar1 = "uncompressed.tar",
+ ?line erl_tar:create(Tar1, Names, []),
+ ?line {ok, Names} = erl_tar:table(Tar1, []),
+ ?line {ok, Names} = erl_tar:table(Tar1, [compressed]),
+ ?line {ok, Names} = erl_tar:table(Tar1, [cooked]),
+ ?line {ok, Names} = erl_tar:table(Tar1, [compressed,cooked]),
+
+ %% Create a compressed archive.
+
+ ?line Tar2 = "compressed.tar",
+ ?line erl_tar:create(Tar2, Names, [compressed]),
+ ?line {ok, Names} = erl_tar:table(Tar2, [compressed]),
+ ?line {error, Reason} = erl_tar:table(Tar2, []),
+ ?line {ok, Names} = erl_tar:table(Tar2, [compressed,cooked]),
+ ?line {error, Reason} = erl_tar:table(Tar2, [cooked]),
+ ?line ok = io:format("No compressed option: ~p, ~s",
+ [Reason, erl_tar:format_error(Reason)]),
+
+ %% Same test again, but this time created with 'cooked'
+
+ ?line Tar3 = "uncompressed_cooked.tar",
+ ?line erl_tar:create(Tar3, Names, [cooked]),
+ ?line {ok, Names} = erl_tar:table(Tar3, []),
+ ?line {ok, Names} = erl_tar:table(Tar3, [compressed]),
+ ?line {ok, Names} = erl_tar:table(Tar3, [cooked]),
+ ?line {ok, Names} = erl_tar:table(Tar3, [compressed,cooked]),
+
+ ?line Tar4 = "compressed_cooked.tar",
+ ?line erl_tar:create(Tar4, Names, [compressed,cooked]),
+ ?line {ok, Names} = erl_tar:table(Tar4, [compressed]),
+ ?line {error, Reason} = erl_tar:table(Tar4, []),
+ ?line {ok, Names} = erl_tar:table(Tar4, [compressed,cooked]),
+ ?line {error, Reason} = erl_tar:table(Tar4, [cooked]),
+ ?line ok = io:format("No compressed option: ~p, ~s",
+ [Reason, erl_tar:format_error(Reason)]),
+
+ %% Clean up.
+ ?line delete_files([Tar1,Tar2,Tar3,Tar4|Names]),
+
+ ok.
+
+%% Returns a sequence of characters.
+
+char_seq(N, First) ->
+ char_seq(N, First, []).
+
+char_seq(0, _, Result) ->
+ Result;
+char_seq(N, C, Result) when C < 127 ->
+ char_seq(N-1, C+1, [C|Result]);
+char_seq(N, _, Result) ->
+ char_seq(N, $!, Result).
+
+data_files() ->
+ Files = [{"first_file", 1555, $a},
+ {"small_file", 7, $d},
+ {"big_file", 23875, $e},
+ {"last_file", 7500, $g}],
+ create_files(Files),
+ Files.
+
+create_files([{Name, Size, First}|Rest]) ->
+ ok = file:write_file(Name, char_seq(Size, First)),
+ create_files(Rest);
+create_files([]) ->
+ ok.
+
+long_names(doc) ->
+ ["Test to extract an Unix tar file containing filenames longer than 100 ",
+ "characters and empty directories."];
+long_names(Config) when is_list(Config) ->
+ ?line DataDir = ?config(data_dir, Config),
+ ?line Long = filename:join(DataDir, "long_names.tar"),
+
+ %% Try table/2 and extract/2.
+ ?line case erl_tar:table(Long, [verbose]) of
+ {ok,List} when is_list(List) ->
+ ?line io:format("~p\n", [List])
+ end,
+
+
+ %% To avoid getting too long paths for Windows to handle, extract into
+ %% the current directory (which is the test_server directory). Its path
+ %% is quite a bit shorter than the path to priv_dir.
+ ?line {ok,Cwd} = file:get_cwd(),
+ ?line ok = erl_tar:extract(Long),
+ ?line Base = filename:join([Cwd, "original_software", "written_by",
+ "a_bunch_of_hackers",
+ "spending_all_their_nights",
+ "still", "not_long_enough",
+ "but_soon_it_will_be"]),
+
+ %% Verify that the empty directory was created.
+ ?line EmptyDir = filename:join(Base, "empty_directory"),
+ ?line {ok, #file_info{type=directory}} = file:read_file_info(EmptyDir),
+
+ %% Verify that the files were created.
+ ?line {ok,First} = file:read_file(filename:join(Base, "first_file")),
+ ?line {ok,Second} = file:read_file(filename:join(Base, "second_file")),
+ ?line "Here"++_ = binary_to_list(First),
+ ?line "And"++_ = binary_to_list(Second),
+
+ %% Clean up.
+ ?line delete_files([filename:join(Cwd, "original_software"),EmptyDir]),
+
+ ok.
+
+create_long_names(doc) ->
+ ["Creates a tar file from a deep directory structure (filenames are ",
+ "longer than 100 characters)."];
+create_long_names(Config) when is_list(Config) ->
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line ok = file:set_cwd(PrivDir),
+ Dirs = [aslfjkshjkhliuf,
+ asdhjfehnbfsky,
+ sahajfskdfhsz,
+ asldfkdlfy4y8rchg,
+ f7nafhjgffagkhsfkhsjk,
+ dfjasldkfjsdkfjashbv],
+
+ ?line DeepDir = make_dirs(Dirs, []),
+ ?line AFile = filename:join(DeepDir, "a_file"),
+ ?line Hello = "hello, world\n",
+ ?line ok = file:write_file(AFile, Hello),
+ ?line TarName = filename:join(PrivDir, "my_tar_with_long_names.tar"),
+ ?line ok = erl_tar:create(TarName, [AFile]),
+
+ %% Print contents.
+ ?line ok = erl_tar:tt(TarName),
+
+ %% Extract and verify.
+ ?line ExtractDir = "extract_dir",
+ ?line ok = file:make_dir(ExtractDir),
+ ?line ok = erl_tar:extract(TarName, [{cwd,ExtractDir}]),
+ ?line {ok, Bin} = file:read_file(filename:join(ExtractDir, AFile)),
+ ?line Hello = binary_to_list(Bin),
+
+ %% Clean up.
+ ?line delete_files([ExtractDir,TarName,hd(Dirs)]),
+
+ ok.
+
+make_dirs([Dir|Rest], []) ->
+ ?line ok = file:make_dir(Dir),
+ ?line make_dirs(Rest, Dir);
+make_dirs([Dir|Rest], Parent) ->
+ ?line Name = filename:join(Parent, Dir),
+ ?line ok = file:make_dir(Name),
+ ?line make_dirs(Rest, Name);
+make_dirs([], Dir) ->
+ Dir.
+
+bad_tar(doc) ->
+ ["Try erl_tar:table/2 and erl_tar:extract/2 on some corrupted tar files."];
+bad_tar(Config) when is_list(Config) ->
+ ?line try_bad("bad_checksum", bad_header, Config),
+ ?line try_bad("bad_octal", bad_header, Config),
+ ?line try_bad("bad_too_short", eof, Config),
+ ?line try_bad("bad_even_shorter", eof, Config),
+ ok.
+
+try_bad(Name0, Reason, Config) ->
+ %% Intentionally no ?line macros here.
+
+ DataDir = ?config(data_dir, Config),
+ PrivDir = ?config(priv_dir, Config),
+ Name = Name0 ++ ".tar",
+ io:format("~nTrying ~s", [Name]),
+ Full = filename:join(DataDir, Name),
+ Opts = [verbose, {cwd, PrivDir}],
+ Expected = {error, Reason},
+ case {erl_tar:table(Full, Opts), erl_tar:extract(Full, Opts)} of
+ {Expected, Expected} ->
+ io:format("Result: ~p", [Expected]),
+ case catch erl_tar:format_error(Reason) of
+ {'EXIT', CrashReason} ->
+ test_server:fail({format_error, crashed, CrashReason});
+ String when list(String) ->
+ io:format("format_error(~p) -> ~s", [Reason, String]);
+ Other ->
+ test_server:fail({format_error, returned, Other})
+ end;
+ {Other1, Other2} ->
+ io:format("table/2 returned ~p", [Other1]),
+ io:format("extract/2 returned ~p", [Other2]),
+ test_server:fail({bad_return_value, Other1, Other2})
+ end.
+
+errors(doc) ->
+ ["Tests that some common errors return correct error codes ",
+ "and that format_error/1 handles them correctly."];
+errors(Config) when is_list(Config) ->
+ ?line PrivDir = ?config(priv_dir, Config),
+
+ %% Give the tar file the same name as a directory.
+ ?line BadTar = filename:join(PrivDir, "bad_tarfile.tar"),
+ ?line ok = file:make_dir(BadTar),
+ ?line try_error(erl_tar, create, [BadTar, []], {BadTar, eisdir}),
+
+ %% Try including non-existent files in the tar file.
+ ?line NonExistent = "non_existent_file",
+ ?line GoodTar = filename:join(PrivDir, "a_good_tarfile.tar"),
+ ?line try_error(erl_tar, create, [GoodTar, [NonExistent]],
+ {NonExistent, enoent}),
+
+ %% Clean up.
+ ?line delete_files([GoodTar,BadTar]),
+
+ ok.
+
+try_error(M, F, A, Error) ->
+ io:format("Trying ~p:~p(~p)", [M, F, A]),
+ case catch apply(M, F, A) of
+ {'EXIT', Reason} ->
+ exit(Reason);
+ ok ->
+ test_server:fail(unexpected_success);
+ {error, Error} ->
+ case catch erl_tar:format_error(Error) of
+ {'EXIT', FReason} ->
+ test_server:fail({format_error, crashed, FReason});
+ String when list(String) ->
+ io:format("format_error(~p) -> ~s", [Error, String]);
+ Other ->
+ test_server:fail({format_error, returned, Other})
+ end;
+ Other ->
+ test_server:fail({expected, {error, Error}, actual, Other})
+ end.
+
+%% remove_prefix(Prefix, List) -> ListWithoutPrefix.
+
+remove_prefix([C|Rest1], [C|Rest2]) ->
+ remove_prefix(Rest1, Rest2);
+remove_prefix(_, Result) ->
+ Result.
+
+extract_from_binary(doc) ->
+ "Test extracting a tar archive from a binary.";
+extract_from_binary(Config) when list(Config) ->
+ ?line DataDir = ?config(data_dir, Config),
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line Long = filename:join(DataDir, "no_fancy_stuff.tar"),
+ ?line ExtractDir = filename:join(PrivDir, "extract_from_binary"),
+ ?line ok = file:make_dir(ExtractDir),
+
+ %% Read a tar file into a binary and extract from the binary.
+ ?line {ok, Bin} = file:read_file(Long),
+ ?line ok = erl_tar:extract({binary, Bin}, [{cwd,ExtractDir}]),
+
+ %% Verify.
+ Dir = filename:join(ExtractDir, "no_fancy_stuff"),
+ ?line true = filelib:is_dir(Dir),
+ ?line true = filelib:is_file(filename:join(Dir, "a_dir_list")),
+ ?line true = filelib:is_file(filename:join(Dir, "EPLICENCE")),
+
+ %% Clean up.
+ ?line delete_files([ExtractDir]),
+
+ ok.
+
+extract_from_binary_compressed(Config) when is_list(Config) ->
+ %% Test extracting a compressed tar archive from a binary.
+ ?line DataDir = ?config(data_dir, Config),
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line Name = filename:join(DataDir, "cooked_tar_problem.tar.gz"),
+ ?line ExtractDir = filename:join(PrivDir, "extract_from_binary_compressed"),
+ ?line ok = file:make_dir(ExtractDir),
+ ?line {ok,Bin} = file:read_file(Name),
+
+ %% Try taking contents.
+ ?line {ok,Files} = erl_tar:table({binary,Bin}, [compressed]),
+ ?line io:format("~p\n", [Files]),
+ ?line 19 = length(Files),
+
+ %% Trying extracting from a binary.
+ ?line ok = erl_tar:extract({binary,Bin}, [compressed,{cwd,ExtractDir}]),
+ ?line {ok,List} = file:list_dir(filename:join(ExtractDir, ddll_SUITE_data)),
+ ?line io:format("~p\n", [List]),
+ ?line 19 = length(List),
+
+ %% Clean up while at the same time testing that all file
+ %% were extracted as expected.
+ lists:foreach(fun(N) ->
+ File = filename:join(ExtractDir, N),
+ io:format("Deleting: ~p\n", [File]),
+ ?line ok = file:delete(File)
+ end, Files),
+
+ %% Clean up the rest.
+ ?line delete_files([ExtractDir]),
+
+ ok.
+
+extract_from_open_file(doc) ->
+ "Test extracting a tar archive from an open file.";
+extract_from_open_file(Config) when is_list(Config) ->
+ ?line DataDir = ?config(data_dir, Config),
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line Long = filename:join(DataDir, "no_fancy_stuff.tar"),
+ ?line ExtractDir = filename:join(PrivDir, "extract_from_open_file"),
+ ?line ok = file:make_dir(ExtractDir),
+
+ ?line {ok, File} = file:open(Long, [read]),
+ ?line ok = erl_tar:extract({file, File}, [{cwd,ExtractDir}]),
+
+ %% Verify.
+ Dir = filename:join(ExtractDir, "no_fancy_stuff"),
+ ?line true = filelib:is_dir(Dir),
+ ?line true = filelib:is_file(filename:join(Dir, "a_dir_list")),
+ ?line true = filelib:is_file(filename:join(Dir, "EPLICENCE")),
+
+ %% Close open file.
+ ?line ok = file:close(File),
+
+ %% Clean up.
+ ?line delete_files([ExtractDir]),
+
+ ok.
+
+symlinks(doc) ->
+ "Test that archives containing symlinks can be created and extracted.";
+symlinks(Config) when is_list(Config) ->
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line Dir = filename:join(PrivDir, "symlinks"),
+ ?line ok = file:make_dir(Dir),
+ ?line ABadSymlink = filename:join(Dir, "bad_symlink"),
+ ?line PointsTo = "/a/definitely/non_existing/path",
+ ?line Res = case file:make_symlink("/a/definitely/non_existing/path", ABadSymlink) of
+ {error, enotsup} ->
+ {skip, "Symbolic links not supported on this platform"};
+ ok ->
+ symlinks(Dir, "bad_symlink", PointsTo),
+ long_symlink(Dir)
+ end,
+
+ %% Clean up.
+ ?line delete_files([Dir]),
+ Res.
+
+symlinks(Dir, BadSymlink, PointsTo) ->
+ ?line Tar = filename:join(Dir, "symlink.tar"),
+ ?line DerefTar = filename:join(Dir, "dereference.tar"),
+
+ %% Create the archive.
+
+ ?line ok = file:set_cwd(Dir),
+ ?line GoodSymlink = "good_symlink",
+ ?line AFile = "a_good_file",
+ ?line ALine = "A line of text for a file.",
+ ?line ok = file:write_file(AFile, ALine),
+ ?line ok = file:make_symlink(AFile, GoodSymlink),
+ ?line ok = erl_tar:create(Tar, [BadSymlink, GoodSymlink, AFile], [verbose]),
+
+ %% List contents of tar file.
+
+ ?line ok = erl_tar:tt(Tar),
+
+ %% Also create another archive with the dereference flag.
+
+ ?line ok = erl_tar:create(DerefTar, [AFile, GoodSymlink], [dereference, verbose]),
+
+ %% Extract files to a new directory.
+
+ ?line NewDir = filename:join(Dir, "extracted"),
+ ?line ok = file:make_dir(NewDir),
+ ?line ok = erl_tar:extract(Tar, [{cwd, NewDir}, verbose]),
+
+ %% Verify that the files are there.
+
+ ?line ok = file:set_cwd(NewDir),
+ ?line {ok, #file_info{type=symlink}} = file:read_link_info(BadSymlink),
+ ?line {ok, PointsTo} = file:read_link(BadSymlink),
+ ?line {ok, #file_info{type=symlink}} = file:read_link_info(GoodSymlink),
+ ?line {ok, AFile} = file:read_link(GoodSymlink),
+ ?line Expected = list_to_binary(ALine),
+ ?line {ok, Expected} = file:read_file(GoodSymlink),
+
+ %% Extract the "dereferenced archive" to a new directory.
+
+ ?line NewDirDeref = filename:join(Dir, "extracted_deref"),
+ ?line ok = file:make_dir(NewDirDeref),
+ ?line ok = erl_tar:extract(DerefTar, [{cwd, NewDirDeref}, verbose]),
+
+ %% Verify that the files are there.
+
+ ?line ok = file:set_cwd(NewDirDeref),
+ ?line {ok, #file_info{type=regular}} = file:read_link_info(GoodSymlink),
+ ?line {ok, #file_info{type=regular}} = file:read_link_info(AFile),
+ ?line {ok, Expected} = file:read_file(GoodSymlink),
+ ?line {ok, Expected} = file:read_file(AFile),
+
+ ok.
+
+long_symlink(Dir) ->
+ ?line Tar = filename:join(Dir, "long_symlink.tar"),
+ ?line ok = file:set_cwd(Dir),
+
+ ?line AFile = "long_symlink",
+ ?line FarTooLong = "/tmp/aarrghh/this/path/is/far/longer/than/one/hundred/characters/which/is/the/maximum/number/of/characters/allowed",
+ ?line ok = file:make_symlink(FarTooLong, AFile),
+ ?line {error,Error} = erl_tar:create(Tar, [AFile], [verbose]),
+ ?line io:format("Error: ~s\n", [erl_tar:format_error(Error)]),
+ ?line {FarTooLong,symbolic_link_too_long} = Error,
+ ok.
+
+open_add_close(Config) when is_list(Config) ->
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line ok = file:set_cwd(PrivDir),
+ ?line Dir = filename:join(PrivDir, "open_add_close"),
+ ?line ok = file:make_dir(Dir),
+
+ ?line [{FileOne,_,_},{FileTwo,_,_},{FileThree,_,_}] = oac_files(),
+ ?line ADir = "empty_dir",
+ ?line AnotherDir = "another_dir",
+ ?line SomeContent = filename:join(AnotherDir, "some_content"),
+ ?line ok = file:make_dir(ADir),
+ ?line ok = file:make_dir(AnotherDir),
+ ?line ok = file:make_dir(SomeContent),
+
+ ?line TarOne = filename:join(Dir, "archive1.tar"),
+ ?line {ok,AD} = erl_tar:open(TarOne, [write]),
+ ?line ok = erl_tar:add(AD, FileOne, []),
+ ?line ok = erl_tar:add(AD, FileTwo, "second file", []),
+ ?line ok = erl_tar:add(AD, FileThree, [verbose]),
+ ?line ok = erl_tar:add(AD, ADir, [verbose]),
+ ?line ok = erl_tar:add(AD, AnotherDir, [verbose]),
+ ?line ok = erl_tar:close(AD),
+
+ ?line ok = erl_tar:t(TarOne),
+ ?line ok = erl_tar:tt(TarOne),
+
+ ?line {ok,[FileOne,"second file",FileThree,ADir,SomeContent]} = erl_tar:table(TarOne),
+
+ ?line delete_files(["oac_file","oac_small","oac_big",Dir,AnotherDir,ADir]),
+
+ ok.
+
+oac_files() ->
+ Files = [{"oac_file", 1459, $x},
+ {"oac_small", 99, $w},
+ {"oac_big", 33896, $A}],
+ create_files(Files),
+ Files.
+
+cooked_compressed(Config) when is_list(Config) ->
+ %% Test that a compressed archive can be read in cooked mode.
+ ?line DataDir = ?config(data_dir, Config),
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line Name = filename:join(DataDir, "cooked_tar_problem.tar.gz"),
+
+ %% Try table/2 and extract/2.
+ ?line {ok,List} = erl_tar:table(Name, [cooked,compressed]),
+ ?line io:format("~p\n", [List]),
+ ?line 19 = length(List),
+ ?line ok = erl_tar:extract(Name, [cooked,compressed,{cwd,PrivDir}]),
+
+ %% Clean up while at the same time testing that all file
+ %% were extracted as expected.
+ lists:foreach(fun(N) ->
+ File = filename:join(PrivDir, N),
+ io:format("Deleting: ~p\n", [File]),
+ ?line ok = file:delete(File)
+ end, List),
+
+ %% Clean up.
+ ?line delete_files([filename:join(PrivDir, ddll_SUITE_data)]),
+ ok.
+
+memory(doc) ->
+ ["Test that an archive can be created directly from binaries and "
+ "that an archive can be extracted into binaries."];
+memory(Config) when is_list(Config) ->
+ ?line DataDir = ?config(data_dir, Config),
+
+ ?line FileBins = [{"bar/fum", <<"BARFUM">>},{"foo", <<"FOO">>}],
+ ?line Name1 = filename:join(DataDir, "memory.tar"),
+ ?line ok = erl_tar:create(Name1, FileBins, [write,verbose]),
+ ?line {ok,Extracted1} = erl_tar:extract(Name1, [memory,verbose]),
+ ?line FileBins1 = lists:sort(Extracted1),
+
+ ?line io:format("FileBins: ~p\n", [FileBins]),
+ ?line io:format("FileBins1: ~p\n", [FileBins1]),
+ ?line FileBins = FileBins1,
+
+ ?line Name2 = filename:join(DataDir, "memory2.tar"),
+ ?line {ok,Fd} = erl_tar:open(Name2, [write]),
+ ?line [ok,ok] = [erl_tar:add(Fd, B, N, [write,verbose]) || {N,B} <- FileBins],
+ ?line ok = erl_tar:close(Fd),
+ ?line {ok,Extracted2} = erl_tar:extract(Name2, [memory,verbose]),
+ ?line FileBins2 = lists:sort(Extracted2),
+ ?line io:format("FileBins2: ~p\n", [FileBins2]),
+ ?line FileBins = FileBins2,
+
+ %% Clean up.
+ ?line ok = delete_files([Name1,Name2]),
+ ok.
+
+%% Delete the given list of files.
+delete_files([]) -> ok;
+delete_files([Item|Rest]) ->
+ case file:delete(Item) of
+ ok ->
+ delete_files(Rest);
+ {error,eperm} ->
+ file:change_mode(Item, 8#777),
+ delete_files(filelib:wildcard(filename:join(Item, "*"))),
+ file:del_dir(Item),
+ ok;
+ {error,eacces} ->
+ %% We'll see about that!
+ file:change_mode(Item, 8#777),
+ case file:delete(Item) of
+ ok -> ok;
+ {error,_} ->
+ erlang:yield(),
+ file:change_mode(Item, 8#777),
+ file:delete(Item),
+ ok
+ end;
+ {error,_} -> ok
+ end,
+ delete_files(Rest).
+