295 lines
9.3 KiB
Perl
295 lines
9.3 KiB
Perl
#!./perl -w
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use strict;
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use Cwd;
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chdir 't';
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@INC = '../../../lib' if $ENV{PERL_CORE};
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use Config;
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use File::Spec;
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use File::Path;
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use Errno qw(EACCES);
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use lib File::Spec->catdir('t', 'lib');
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use Test::More;
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my $IsVMS = $^O eq 'VMS';
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my $vms_unix_rpt = 0;
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my $vms_efs = 0;
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my $vms_mode = 0;
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if ($IsVMS) {
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require VMS::Filespec;
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use Carp;
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use Carp::Heavy;
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$vms_mode = 1;
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if (eval 'require VMS::Feature') {
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$vms_unix_rpt = VMS::Feature::current("filename_unix_report");
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$vms_efs = VMS::Feature::current("efs_charset");
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} else {
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my $unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || '';
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my $efs_charset = $ENV{'DECC$EFS_CHARSET'} || '';
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$vms_unix_rpt = $unix_rpt =~ /^[ET1]/i;
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$vms_efs = $efs_charset =~ /^[ET1]/i;
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}
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$vms_mode = 0 if ($vms_unix_rpt);
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}
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my $tests = 31;
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# _perl_abs_path() currently only works when the directory separator
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# is '/', so don't test it when it won't work.
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my $EXTRA_ABSPATH_TESTS = ($Config{prefix} =~ m/\//) && $^O ne 'cygwin';
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$tests += 4 if $EXTRA_ABSPATH_TESTS;
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plan tests => $tests;
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SKIP: {
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skip "no need to check for blib/ in the core", 1 if $ENV{PERL_CORE};
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like $INC{'Cwd.pm'}, qr{blib}i, "Cwd should be loaded from blib/ during testing";
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}
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# check imports
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can_ok('main', qw(cwd getcwd fastcwd fastgetcwd));
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ok( !defined(&chdir), 'chdir() not exported by default' );
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ok( !defined(&abs_path), ' nor abs_path()' );
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ok( !defined(&fast_abs_path), ' nor fast_abs_path()');
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{
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my @fields = qw(PATH IFS CDPATH ENV BASH_ENV);
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my $before = grep exists $ENV{$_}, @fields;
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cwd();
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my $after = grep exists $ENV{$_}, @fields;
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is($before, $after, "cwd() shouldn't create spurious entries in %ENV");
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}
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# XXX force Cwd to bootstrap its XSUBs since we have set @INC = "../lib"
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# XXX and subsequent chdir()s can make them impossible to find
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eval { fastcwd };
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# Must find an external pwd (or equivalent) command.
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my $pwd = $^O eq 'MSWin32' ? "cmd" : "pwd";
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my $pwd_cmd =
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($^O eq "NetWare") ?
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"cd" :
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(grep { -x && -f } map { "$_/$pwd$Config{exe_ext}" }
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split m/$Config{path_sep}/, $ENV{PATH})[0];
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$pwd_cmd = 'SHOW DEFAULT' if $IsVMS;
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if ($^O eq 'MSWin32') {
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$pwd_cmd =~ s,/,\\,g;
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$pwd_cmd = "$pwd_cmd /c cd";
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}
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$pwd_cmd =~ s=\\=/=g if ($^O eq 'dos');
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SKIP: {
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skip "No native pwd command found to test against", 4 unless $pwd_cmd;
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print "# native pwd = '$pwd_cmd'\n";
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local @ENV{qw(PATH IFS CDPATH ENV BASH_ENV)};
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my ($pwd_cmd_untainted) = $pwd_cmd =~ /^(.+)$/; # Untaint.
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chomp(my $start = `$pwd_cmd_untainted`);
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# Win32's cd returns native C:\ style
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$start =~ s,\\,/,g if ($^O eq 'MSWin32' || $^O eq "NetWare");
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if ($IsVMS) {
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# DCL SHOW DEFAULT has leading spaces
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$start =~ s/^\s+//;
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# When in UNIX report mode, need to convert to compare it.
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if ($vms_unix_rpt) {
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$start = VMS::Filespec::unixpath($start);
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# Remove trailing slash.
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$start =~ s#/$##;
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}
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}
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SKIP: {
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skip("'$pwd_cmd' failed, nothing to test against", 4) if $?;
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skip("/afs seen, paths unlikely to match", 4) if $start =~ m|/afs/|;
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# Darwin's getcwd(3) (which Cwd.xs:bsd_realpath() uses which
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# Cwd.pm:getcwd uses) has some magic related to the PWD
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# environment variable: if PWD is set to a directory that
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# looks about right (guess: has the same (dev,ino) as the '.'?),
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# the PWD is returned. However, if that path contains
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# symlinks, the path will not be equal to the one returned by
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# /bin/pwd (which probably uses the usual walking upwards in
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# the path -trick). This situation is easy to reproduce since
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# /tmp is a symlink to /private/tmp. Therefore we invalidate
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# the PWD to force getcwd(3) to (re)compute the cwd in full.
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# Admittedly fixing this in the Cwd module would be better
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# long-term solution but deleting $ENV{PWD} should not be
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# done light-heartedly. --jhi
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delete $ENV{PWD} if $^O eq 'darwin';
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my $cwd = cwd;
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my $getcwd = getcwd;
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my $fastcwd = fastcwd;
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my $fastgetcwd = fastgetcwd;
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is($cwd, $start, 'cwd()');
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is($getcwd, $start, 'getcwd()');
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is($fastcwd, $start, 'fastcwd()');
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is($fastgetcwd, $start, 'fastgetcwd()');
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}
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}
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my @test_dirs = qw{_ptrslt_ _path_ _to_ _a_ _dir_};
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my $Test_Dir = File::Spec->catdir(@test_dirs);
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mkpath([$Test_Dir], 0, 0777);
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Cwd::chdir $Test_Dir;
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foreach my $func (qw(cwd getcwd fastcwd fastgetcwd)) {
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my $result = eval "$func()";
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is $@, '', "No exception for ${func}() in string eval";
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dir_ends_with( $result, $Test_Dir, "$func()" );
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}
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{
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# Some versions of File::Path (e.g. that shipped with perl 5.8.5)
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# call getcwd() with an argument (perhaps by calling it as a
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# method?), so make sure that doesn't die.
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is getcwd(), getcwd('foo'), "Call getcwd() with an argument";
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}
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# Cwd::chdir should also update $ENV{PWD}
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dir_ends_with( $ENV{PWD}, $Test_Dir, 'Cwd::chdir() updates $ENV{PWD}' );
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my $updir = File::Spec->updir;
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for (1..@test_dirs) {
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Cwd::chdir $updir;
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print "#$ENV{PWD}\n";
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}
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rmtree($test_dirs[0], 0, 0);
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{
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my $check = ($vms_mode ? qr|\b((?i)t)\]$| :
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qr|\bt$| );
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like($ENV{PWD}, $check, "We're in a 't' directory");
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}
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{
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# Make sure abs_path() doesn't trample $ENV{PWD}
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my $start_pwd = $ENV{PWD};
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mkpath([$Test_Dir], 0, 0777);
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Cwd::abs_path($Test_Dir);
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is $ENV{PWD}, $start_pwd, "abs_path() does not trample \$ENV{PWD}";
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rmtree($test_dirs[0], 0, 0);
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}
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SKIP: {
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skip "no symlinks on this platform", 2+$EXTRA_ABSPATH_TESTS unless $Config{d_symlink} && $^O !~ m!^(qnx|nto)!;
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my $file = "linktest";
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mkpath([$Test_Dir], 0, 0777);
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symlink $Test_Dir, $file;
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my $abs_path = Cwd::abs_path($file);
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my $fast_abs_path = Cwd::fast_abs_path($file);
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my $pas = Cwd::_perl_abs_path($file);
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my $want = quotemeta(
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File::Spec->rel2abs( $Test_Dir )
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);
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if ($^O eq 'VMS') {
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# Not easy to predict the physical volume name
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$want = $ENV{PERL_CORE} ? $Test_Dir : File::Spec->catdir('t', $Test_Dir);
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# So just use the relative volume name
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$want =~ s/^\[//;
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$want = quotemeta($want);
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}
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like($abs_path, qr|$want$|i, "Cwd::abs_path produced $abs_path");
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like($fast_abs_path, qr|$want$|i, "Cwd::fast_abs_path produced $fast_abs_path");
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if ($EXTRA_ABSPATH_TESTS) {
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# _perl_abs_path() can fail if some ancestor directory isn't readable
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if (defined $pas) {
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like($pas, qr|$want$|i, "Cwd::_perl_abs_path produced $pas");
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}
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else {
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is($!+0, EACCES, "check we got the expected error on failure");
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}
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}
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rmtree($test_dirs[0], 0, 0);
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1 while unlink $file;
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}
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# Make sure we can run abs_path() on files, not just directories
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my $path = 'cwd.t';
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path_ends_with(Cwd::abs_path($path), 'cwd.t', 'abs_path() can be invoked on a file');
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path_ends_with(Cwd::fast_abs_path($path), 'cwd.t', 'fast_abs_path() can be invoked on a file');
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path_ends_with(Cwd::_perl_abs_path($path), 'cwd.t', '_perl_abs_path() can be invoked on a file')
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if $EXTRA_ABSPATH_TESTS;
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$path = File::Spec->catfile(File::Spec->updir, 't', $path);
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path_ends_with(Cwd::abs_path($path), 'cwd.t', 'abs_path() can be invoked on a file');
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path_ends_with(Cwd::fast_abs_path($path), 'cwd.t', 'fast_abs_path() can be invoked on a file');
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path_ends_with(Cwd::_perl_abs_path($path), 'cwd.t', '_perl_abs_path() can be invoked on a file')
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if $EXTRA_ABSPATH_TESTS;
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SKIP: {
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my $file;
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{
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my $root = Cwd::abs_path(File::Spec->rootdir); # Add drive letter?
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local *FH;
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opendir FH, $root or skip("Can't opendir($root): $!", 2+$EXTRA_ABSPATH_TESTS);
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($file) = grep {-f $_ and not -l $_} map File::Spec->catfile($root, $_), readdir FH;
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closedir FH;
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}
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skip "No plain file in root directory to test with", 2+$EXTRA_ABSPATH_TESTS unless $file;
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$file = VMS::Filespec::rmsexpand($file) if $^O eq 'VMS';
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is Cwd::abs_path($file), $file, 'abs_path() works on files in the root directory';
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is Cwd::fast_abs_path($file), $file, 'fast_abs_path() works on files in the root directory';
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is Cwd::_perl_abs_path($file), $file, '_perl_abs_path() works on files in the root directory'
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if $EXTRA_ABSPATH_TESTS;
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}
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SKIP: {
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my $dir = "${$}a\nx";
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mkdir $dir or skip "OS does not support dir names containing LF", 1;
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chdir $dir or skip "OS cannot chdir into LF", 1;
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eval { Cwd::fast_abs_path() };
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is $@, "", 'fast_abs_path does not die in dir whose name contains LF';
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chdir File::Spec->updir;
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rmdir $dir;
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}
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#############################################
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# These routines give us sort of a poor-man's cross-platform
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# directory or path comparison capability.
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sub bracketed_form_dir {
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return join '', map "[$_]",
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grep length, File::Spec->splitdir(File::Spec->canonpath( shift() ));
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}
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sub dir_ends_with {
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my ($dir, $expect) = (shift, shift);
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my $bracketed_expect = quotemeta bracketed_form_dir($expect);
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like( bracketed_form_dir($dir), qr|$bracketed_expect$|i, (@_ ? shift : ()) );
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}
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sub bracketed_form_path {
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return join '', map "[$_]",
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grep length, File::Spec->splitpath(File::Spec->canonpath( shift() ));
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}
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sub path_ends_with {
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my ($dir, $expect) = (shift, shift);
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my $bracketed_expect = quotemeta bracketed_form_path($expect);
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like( bracketed_form_path($dir), qr|$bracketed_expect$|i, (@_ ? shift : ()) );
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}
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