#!./perl -w BEGIN { if ($ENV{PERL_CORE}) { chdir 't'; @INC = '../lib'; } } use Cwd; chdir 't'; use strict; use Config; use File::Spec; use File::Path; use lib File::Spec->catdir('t', 'lib'); use Test::More; require VMS::Filespec if $^O eq 'VMS'; my $tests = 30; # _perl_abs_path() currently only works when the directory separator # is '/', so don't test it when it won't work. my $EXTRA_ABSPATH_TESTS = ($Config{prefix} =~ m/\//) && $^O ne 'cygwin'; $tests += 4 if $EXTRA_ABSPATH_TESTS; plan tests => $tests; SKIP: { skip "no need to check for blib/ in the core", 1 if $ENV{PERL_CORE}; like $INC{'Cwd.pm'}, qr{blib}i, "Cwd should be loaded from blib/ during testing"; } my $IsVMS = $^O eq 'VMS'; my $IsMacOS = $^O eq 'MacOS'; # check imports can_ok('main', qw(cwd getcwd fastcwd fastgetcwd)); ok( !defined(&chdir), 'chdir() not exported by default' ); ok( !defined(&abs_path), ' nor abs_path()' ); ok( !defined(&fast_abs_path), ' nor fast_abs_path()'); { my @fields = qw(PATH IFS CDPATH ENV BASH_ENV); my $before = grep exists $ENV{$_}, @fields; cwd(); my $after = grep exists $ENV{$_}, @fields; is($before, $after, "cwd() shouldn't create spurious entries in %ENV"); } # XXX force Cwd to bootsrap its XSUBs since we have set @INC = "../lib" # XXX and subsequent chdir()s can make them impossible to find eval { fastcwd }; # Must find an external pwd (or equivalent) command. my $pwd = $^O eq 'MSWin32' ? "cmd" : "pwd"; my $pwd_cmd = ($^O eq "NetWare") ? "cd" : ($IsMacOS) ? "pwd" : (grep { -x && -f } map { "$_/$pwd$Config{exe_ext}" } split m/$Config{path_sep}/, $ENV{PATH})[0]; $pwd_cmd = 'SHOW DEFAULT' if $IsVMS; if ($^O eq 'MSWin32') { $pwd_cmd =~ s,/,\\,g; $pwd_cmd = "$pwd_cmd /c cd"; } $pwd_cmd =~ s=\\=/=g if ($^O eq 'dos'); SKIP: { skip "No native pwd command found to test against", 4 unless $pwd_cmd; print "# native pwd = '$pwd_cmd'\n"; local @ENV{qw(PATH IFS CDPATH ENV BASH_ENV)}; my ($pwd_cmd_untainted) = $pwd_cmd =~ /^(.+)$/; # Untaint. chomp(my $start = `$pwd_cmd_untainted`); # Win32's cd returns native C:\ style $start =~ s,\\,/,g if ($^O eq 'MSWin32' || $^O eq "NetWare"); # DCL SHOW DEFAULT has leading spaces $start =~ s/^\s+// if $IsVMS; SKIP: { skip("'$pwd_cmd' failed, nothing to test against", 4) if $?; skip("/afs seen, paths unlikely to match", 4) if $start =~ m|/afs/|; # Darwin's getcwd(3) (which Cwd.xs:bsd_realpath() uses which # Cwd.pm:getcwd uses) has some magic related to the PWD # environment variable: if PWD is set to a directory that # looks about right (guess: has the same (dev,ino) as the '.'?), # the PWD is returned. However, if that path contains # symlinks, the path will not be equal to the one returned by # /bin/pwd (which probably uses the usual walking upwards in # the path -trick). This situation is easy to reproduce since # /tmp is a symlink to /private/tmp. Therefore we invalidate # the PWD to force getcwd(3) to (re)compute the cwd in full. # Admittedly fixing this in the Cwd module would be better # long-term solution but deleting $ENV{PWD} should not be # done light-heartedly. --jhi delete $ENV{PWD} if $^O eq 'darwin'; my $cwd = cwd; my $getcwd = getcwd; my $fastcwd = fastcwd; my $fastgetcwd = fastgetcwd; is($cwd, $start, 'cwd()'); is($getcwd, $start, 'getcwd()'); is($fastcwd, $start, 'fastcwd()'); is($fastgetcwd, $start, 'fastgetcwd()'); } } my @test_dirs = qw{_ptrslt_ _path_ _to_ _a_ _dir_}; my $Test_Dir = File::Spec->catdir(@test_dirs); mkpath([$Test_Dir], 0, 0777); Cwd::chdir $Test_Dir; foreach my $func (qw(cwd getcwd fastcwd fastgetcwd)) { my $result = eval "$func()"; is $@, ''; dir_ends_with( $result, $Test_Dir, "$func()" ); } { # Some versions of File::Path (e.g. that shipped with perl 5.8.5) # call getcwd() with an argument (perhaps by calling it as a # method?), so make sure that doesn't die. is getcwd(), getcwd('foo'), "Call getcwd() with an argument"; } # Cwd::chdir should also update $ENV{PWD} dir_ends_with( $ENV{PWD}, $Test_Dir, 'Cwd::chdir() updates $ENV{PWD}' ); my $updir = File::Spec->updir; Cwd::chdir $updir; print "#$ENV{PWD}\n"; Cwd::chdir $updir; print "#$ENV{PWD}\n"; Cwd::chdir $updir; print "#$ENV{PWD}\n"; Cwd::chdir $updir; print "#$ENV{PWD}\n"; Cwd::chdir $updir; print "#$ENV{PWD}\n"; rmtree($test_dirs[0], 0, 0); { my $check = ($IsVMS ? qr|\b((?i)t)\]$| : $IsMacOS ? qr|\bt:$| : qr|\bt$| ); like($ENV{PWD}, $check); } { # Make sure abs_path() doesn't trample $ENV{PWD} my $start_pwd = $ENV{PWD}; mkpath([$Test_Dir], 0, 0777); Cwd::abs_path($Test_Dir); is $ENV{PWD}, $start_pwd; rmtree($test_dirs[0], 0, 0); } SKIP: { skip "no symlinks on this platform", 2+$EXTRA_ABSPATH_TESTS unless $Config{d_symlink}; mkpath([$Test_Dir], 0, 0777); symlink $Test_Dir, "linktest"; my $abs_path = Cwd::abs_path("linktest"); my $fast_abs_path = Cwd::fast_abs_path("linktest"); my $want = File::Spec->catdir("t", $Test_Dir); like($abs_path, qr|$want$|); like($fast_abs_path, qr|$want$|); like(Cwd::_perl_abs_path("linktest"), qr|$want$|) if $EXTRA_ABSPATH_TESTS; rmtree($test_dirs[0], 0, 0); unlink "linktest"; } if ($ENV{PERL_CORE}) { chdir '../ext/Cwd/t'; unshift @INC, '../../../lib'; } # Make sure we can run abs_path() on files, not just directories my $path = 'cwd.t'; path_ends_with(Cwd::abs_path($path), 'cwd.t', 'abs_path() can be invoked on a file'); path_ends_with(Cwd::fast_abs_path($path), 'cwd.t', 'fast_abs_path() can be invoked on a file'); path_ends_with(Cwd::_perl_abs_path($path), 'cwd.t', '_perl_abs_path() can be invoked on a file') if $EXTRA_ABSPATH_TESTS; $path = File::Spec->catfile(File::Spec->updir, 't', $path); path_ends_with(Cwd::abs_path($path), 'cwd.t', 'abs_path() can be invoked on a file'); path_ends_with(Cwd::fast_abs_path($path), 'cwd.t', 'fast_abs_path() can be invoked on a file'); path_ends_with(Cwd::_perl_abs_path($path), 'cwd.t', '_perl_abs_path() can be invoked on a file') if $EXTRA_ABSPATH_TESTS; SKIP: { my $file; { my $root = Cwd::abs_path(File::Spec->rootdir); # Add drive letter? local *FH; opendir FH, $root or skip("Can't opendir($root): $!", 2+$EXTRA_ABSPATH_TESTS); ($file) = grep {-f $_ and not -l $_} map File::Spec->catfile($root, $_), readdir FH; closedir FH; } skip "No plain file in root directory to test with", 2+$EXTRA_ABSPATH_TESTS unless $file; $file = VMS::Filespec::rmsexpand($file) if $^O eq 'VMS'; is Cwd::abs_path($file), $file, 'abs_path() works on files in the root directory'; is Cwd::fast_abs_path($file), $file, 'fast_abs_path() works on files in the root directory'; is Cwd::_perl_abs_path($file), $file, '_perl_abs_path() works on files in the root directory' if $EXTRA_ABSPATH_TESTS; } ############################################# # These routines give us sort of a poor-man's cross-platform # directory or path comparison capability. sub bracketed_form_dir { return join '', map "[$_]", grep length, File::Spec->splitdir(File::Spec->canonpath( shift() )); } sub dir_ends_with { my ($dir, $expect) = (shift, shift); my $bracketed_expect = quotemeta bracketed_form_dir($expect); like( bracketed_form_dir($dir), qr|$bracketed_expect$|i, (@_ ? shift : ()) ); } sub bracketed_form_path { return join '', map "[$_]", grep length, File::Spec->splitpath(File::Spec->canonpath( shift() )); } sub path_ends_with { my ($dir, $expect) = (shift, shift); my $bracketed_expect = quotemeta bracketed_form_path($expect); like( bracketed_form_path($dir), qr|$bracketed_expect$|i, (@_ ? shift : ()) ); }