From 59524c3fff40ac9792bb92449eb594fed52b423e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= Date: Thu, 9 Mar 2017 16:15:13 +0100 Subject: erl_tar: Close files after reading from a tar file Also let the test suite verify that all files that are opened will be closed before the end of each test case. aa0c4b0df7cdc7 introduced the file descriptor leak. --- lib/stdlib/test/tar_SUITE.erl | 59 ++++++++++++++++++++++++++++++------------- 1 file changed, 42 insertions(+), 17 deletions(-) (limited to 'lib/stdlib/test/tar_SUITE.erl') diff --git a/lib/stdlib/test/tar_SUITE.erl b/lib/stdlib/test/tar_SUITE.erl index d6b6d3f80c..2e1ae7bcff 100644 --- a/lib/stdlib/test/tar_SUITE.erl +++ b/lib/stdlib/test/tar_SUITE.erl @@ -20,7 +20,9 @@ -module(tar_SUITE). -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, - init_per_group/2,end_per_group/2, borderline/1, atomic/1, long_names/1, + init_per_group/2, end_per_group/2, + init_per_testcase/2, + 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_filtered/1, extract_from_open_file/1, symlinks/1, open_add_close/1, cooked_compressed/1, @@ -56,6 +58,9 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. +init_per_testcase(_Case, Config) -> + Ports = ordsets:from_list(erlang:ports()), + [{ports,Ports}|Config]. %% Test creating, listing and extracting one file from an archive, %% multiple times with different file sizes. Also check that the file @@ -85,7 +90,7 @@ borderline(Config) when is_list(Config) -> %% Clean up. delete_files([TempDir]), - ok. + verify_ports(Config). borderline_test(Size, TempDir) -> io:format("Testing size ~p", [Size]), @@ -270,7 +275,7 @@ atomic(Config) when is_list(Config) -> %% Clean up. delete_files([Tar1,Tar2,Tar3,Tar4|Names]), - ok. + verify_ports(Config). %% Returns a sequence of characters. @@ -304,7 +309,9 @@ long_names(Config) when is_list(Config) -> DataDir = proplists:get_value(data_dir, Config), Long = filename:join(DataDir, "long_names.tar"), run_in_short_tempdir(Config, - fun() -> do_long_names(Long) end). + fun() -> do_long_names(Long) end), + verify_ports(Config). + do_long_names(Long) -> %% Try table/2 and extract/2. @@ -336,7 +343,8 @@ do_long_names(Long) -> %% Creates a tar file from a deep directory structure (filenames are %% longer than 100 characters). create_long_names(Config) when is_list(Config) -> - run_in_short_tempdir(Config, fun create_long_names/0). + run_in_short_tempdir(Config, fun create_long_names/0), + verify_ports(Config). create_long_names() -> {ok,Dir} = file:get_cwd(), @@ -383,7 +391,7 @@ bad_tar(Config) when is_list(Config) -> try_bad("bad_octal", invalid_tar_checksum, Config), try_bad("bad_too_short", eof, Config), try_bad("bad_even_shorter", eof, Config), - ok. + verify_ports(Config). try_bad(Name0, Reason, Config) -> %% Intentionally no macros here. @@ -433,7 +441,7 @@ errors(Config) when is_list(Config) -> %% Clean up. delete_files([GoodTar,BadTar]), - ok. + verify_ports(Config). try_error(M, F, A, Error) -> io:format("Trying ~p:~p(~p)", [M, F, A]), @@ -483,7 +491,7 @@ extract_from_binary(Config) when is_list(Config) -> %% Clean up. delete_files([ExtractDir]), - ok. + verify_ports(Config). extract_from_binary_compressed(Config) when is_list(Config) -> %% Test extracting a compressed tar archive from a binary. @@ -516,7 +524,7 @@ extract_from_binary_compressed(Config) when is_list(Config) -> %% Clean up the rest. delete_files([ExtractDir]), - ok. + verify_ports(Config). %% Test extracting a tar archive from a binary. extract_filtered(Config) when is_list(Config) -> @@ -537,7 +545,7 @@ extract_filtered(Config) when is_list(Config) -> %% Clean up. delete_files([ExtractDir]), - ok. + verify_ports(Config). %% Test extracting a tar archive from an open file. extract_from_open_file(Config) when is_list(Config) -> @@ -562,7 +570,7 @@ extract_from_open_file(Config) when is_list(Config) -> %% Clean up. delete_files([ExtractDir]), - ok. + verify_ports(Config). %% Test that archives containing symlinks can be created and extracted. symlinks(Config) when is_list(Config) -> @@ -581,6 +589,7 @@ symlinks(Config) when is_list(Config) -> %% Clean up. delete_files([Dir]), + verify_ports(Config), Res. make_symlink(Path, Link) -> @@ -697,7 +706,8 @@ init(Config) when is_list(Config) -> ok = erl_tar:add(Tar, FileOne, []), ok = erl_tar:close(Tar), {ok, [FileOne]} = erl_tar:table(TarOne), - ok. + + verify_ports(Config). file_op_bad(_) -> throw({error, should_never_be_called}). @@ -751,7 +761,7 @@ open_add_close(Config) when is_list(Config) -> delete_files(["oac_file","oac_small","oac_big",Dir,AnotherDir,ADir]), - ok. + verify_ports(Config). oac_files() -> Files = [{"oac_file", 1459, $x}, @@ -782,7 +792,8 @@ cooked_compressed(Config) when is_list(Config) -> %% Clean up. delete_files([filename:join(PrivDir, "ddll_SUITE_data")]), - ok. + + verify_ports(Config). %% Test that an archive can be created directly from binaries and %% that an archive can be extracted into binaries. @@ -810,13 +821,15 @@ memory(Config) when is_list(Config) -> %% Clean up. ok = delete_files([Name1,Name2]), - ok. + + verify_ports(Config). read_other_implementations(Config) when is_list(Config) -> DataDir = proplists:get_value(data_dir, Config), Files = ["v7.tar", "gnu.tar", "bsd.tar", "star.tar", "pax_mtime.tar"], - do_read_other_implementations(Files, DataDir). + do_read_other_implementations(Files, DataDir), + verify_ports(Config). do_read_other_implementations([], _DataDir) -> ok; @@ -836,7 +849,8 @@ sparse(Config) when is_list(Config) -> Sparse01 = "sparse01.tar", Sparse10Empty = "sparse10_empty.tar", Sparse10 = "sparse10.tar", - do_sparse([Sparse01Empty, Sparse01, Sparse10Empty, Sparse10], DataDir, PrivDir). + do_sparse([Sparse01Empty, Sparse01, Sparse10Empty, Sparse10], DataDir, PrivDir), + verify_ports(Config). do_sparse([], _DataDir, _PrivDir) -> ok; @@ -994,3 +1008,14 @@ is_ustar(File) -> $g -> false; _ -> true end. + + +verify_ports(Config) -> + PortsBefore = proplists:get_value(ports, Config), + PortsAfter = ordsets:from_list(erlang:ports()), + case ordsets:subtract(PortsAfter, PortsBefore) of + [] -> + ok; + [_|_]=Rem -> + error({leaked_ports,Rem}) + end. -- cgit v1.2.3