#!./perl -w
BEGIN {
if( $ENV{PERL_CORE} ) {
chdir 't' if -d 't';
@INC = '../lib';
}
}
use strict;
use warnings;
use Test::More;
my $TB = Test::More->builder;
plan tests => 466;
# We are going to override rename() later on but Perl has to see an override
# at compile time to honor it.
BEGIN { *CORE::GLOBAL::rename = sub { CORE::rename($_[0], $_[1]) }; }
use File::Copy qw(copy move cp);
use Config;
foreach my $code ("copy()", "copy('arg')", "copy('arg', 'arg', 'arg', 'arg')",
"move()", "move('arg')", "move('arg', 'arg', 'arg')"
)
{
eval $code;
like $@, qr/^Usage: /, "'$code' is a usage error";
}
for my $cross_partition_test (0..1) {
{
# Simulate a cross-partition copy/move by forcing rename to
# fail.
no warnings 'redefine';
*CORE::GLOBAL::rename = sub { 0 } if $cross_partition_test;
}
# First we create a file
open(F, ">file-$$") or die $!;
binmode F; # for DOSISH platforms, because test 3 copies to stdout
printf F "ok\n";
close F;
copy "file-$$", "copy-$$";
open(F, "copy-$$") or die $!;
my $foo = <F>;
close(F);
is -s "file-$$", -s "copy-$$", 'copy(fn, fn): files of the same size';
is $foo, "ok\n", 'copy(fn, fn): same contents';
print("# next test checks copying to STDOUT\n");
binmode STDOUT unless $^O eq 'VMS'; # Copy::copy works in binary mode
# This outputs "ok" so its a test.
copy "copy-$$", \*STDOUT;
$TB->current_test($TB->current_test + 1);
unlink "copy-$$" or die "unlink: $!";
open(F,"file-$$");
copy(*F, "copy-$$");
open(R, "copy-$$") or die "open copy-$$: $!"; $foo = <R>; close(R);
is $foo, "ok\n", 'copy(*F, fn): same contents';
unlink "copy-$$" or die "unlink: $!";
open(F,"file-$$");
copy(\*F, "copy-$$");
close(F) or die "close: $!";
open(R, "copy-$$") or die; $foo = <R>; close(R) or die "close: $!";
is $foo, "ok\n", 'copy(\*F, fn): same contents';
unlink "copy-$$" or die "unlink: $!";
require IO::File;
my $fh = IO::File->new(">copy-$$") or die "Cannot open copy-$$:$!";
binmode $fh or die $!;
copy("file-$$",$fh);
$fh->close or die "close: $!";
open(R, "copy-$$") or die; $foo = <R>; close(R);
is $foo, "ok\n", 'copy(fn, io): same contents';
unlink "copy-$$" or die "unlink: $!";
require FileHandle;
$fh = FileHandle->new(">copy-$$") or die "Cannot open copy-$$:$!";
binmode $fh or die $!;
copy("file-$$",$fh);
$fh->close;
open(R, "copy-$$") or die $!; $foo = <R>; close(R);
is $foo, "ok\n", 'copy(fn, fh): same contents';
unlink "file-$$" or die "unlink: $!";
ok !move("file-$$", "copy-$$"), "move on missing file";
ok -e "copy-$$", ' target still there';
# Doesn't really matter what time it is as long as its not now.
my $time = 1000000000;
utime( $time, $time, "copy-$$" );
# Recheck the mtime rather than rely on utime in case we're on a
# system where utime doesn't work or there's no mtime at all.
# The destination file will reflect the same difficulties.
my $mtime = (stat("copy-$$"))[9];
ok move("copy-$$", "file-$$"), 'move';
ok -e "file-$$", ' destination exists';
ok !-e "copy-$$", ' source does not';
open(R, "file-$$") or die $!; $foo = <R>; close(R);
is $foo, "ok\n", 'contents preserved';
TODO: {
local $TODO = 'mtime only preserved on ODS-5 with POSIX dates and DECC$EFS_FILE_TIMESTAMPS enabled' if $^O eq 'VMS';
my $dest_mtime = (stat("file-$$"))[9];
is $dest_mtime, $mtime,
"mtime preserved by copy()".
($cross_partition_test ? " while testing cross-partition" : "");
}
# trick: create lib/ if not exists - not needed in Perl core
unless (-d 'lib') { mkdir 'lib' or die $!; }
copy "file-$$", "lib";
open(R, "lib/file-$$") or die $!; $foo = <R>; close(R);
is $foo, "ok\n", 'copy(fn, dir): same contents';
unlink "lib/file-$$" or die "unlink: $!";
# Do it twice to ensure copying over the same file works.
copy "file-$$", "lib";
open(R, "lib/file-$$") or die $!; $foo = <R>; close(R);
is $foo, "ok\n", 'copy over the same file works';
unlink "lib/file-$$" or die "unlink: $!";
{
my $warnings = '';
local $SIG{__WARN__} = sub { $warnings .= join '', @_ };
ok !copy("file-$$", "file-$$"), 'copy to itself fails';
like $warnings, qr/are identical/, 'but warns';
ok -s "file-$$", 'contents preserved';
}
move "file-$$", "lib";
open(R, "lib/file-$$") or die "open lib/file-$$: $!"; $foo = <R>; close(R);
is $foo, "ok\n", 'move(fn, dir): same contents';
ok !-e "file-$$", 'file moved indeed';
unlink "lib/file-$$" or die "unlink: $!";
SKIP: {
skip "Testing symlinks", 3 unless $Config{d_symlink};
open(F, ">file-$$") or die $!;
print F "dummy content\n";
close F;
symlink("file-$$", "symlink-$$") or die $!;
my $warnings = '';
local $SIG{__WARN__} = sub { $warnings .= join '', @_ };
ok !copy("file-$$", "symlink-$$"), 'copy to itself (via symlink) fails';
like $warnings, qr/are identical/, 'emits a warning';
ok !-z "file-$$",
'rt.perl.org 5196: copying to itself would truncate the file';
unlink "symlink-$$" or die $!;
unlink "file-$$" or die $!;
}
SKIP: {
skip "Testing hard links", 3
if !$Config{d_link} or $^O eq 'MSWin32' or $^O eq 'cygwin';
open(F, ">file-$$") or die $!;
print F "dummy content\n";
close F;
link("file-$$", "hardlink-$$") or die $!;
my $warnings = '';
local $SIG{__WARN__} = sub { $warnings .= join '', @_ };
ok !copy("file-$$", "hardlink-$$"), 'copy to itself (via hardlink) fails';
like $warnings, qr/are identical/, 'emits a warning';
ok ! -z "file-$$",
'rt.perl.org 5196: copying to itself would truncate the file';
unlink "hardlink-$$" or die $!;
unlink "file-$$" or die $!;
}
open(F, ">file-$$") or die $!;
binmode F;
print F "this is file\n";
close F;
my $copy_msg = "this is copy\n";
open(F, ">copy-$$") or die $!;
binmode F;
print F $copy_msg;
close F;
my @warnings;
local $SIG{__WARN__} = sub { push @warnings, join '', @_ };
# pie-$$ so that we force a non-constant, else the numeric conversion (of 0)
# is cached and we do not get a warning the second time round
is eval { copy("file-$$", "copy-$$", "pie-$$"); 1 }, undef,
"a bad buffer size fails to copy";
like $@, qr/Bad buffer size for copy/, "with a helpful error message";
unless (is scalar @warnings, 1, "There is 1 warning") {
diag $_ foreach @warnings;
}
is -s "copy-$$", length $copy_msg, "but does not truncate the destination";
open(F, "copy-$$") or die $!;
$foo = <F>;
close(F);
is $foo, $copy_msg, "nor change the destination's contents";
unlink "file-$$" or die $!;
unlink "copy-$$" or die $!;
# RT #73714 copy to file with leading whitespace failed
TODO: {
local $TODO = 'spaces in filenames require DECC$EFS_CHARSET enabled' if $^O eq 'VMS';
open(F, ">file-$$") or die $!;
close F;
copy "file-$$", " copy-$$";
ok -e " copy-$$", "copy with leading whitespace";
unlink "file-$$" or die "unlink: $!";
unlink " copy-$$" or die "unlink: $!";
}
}
my $can_suidp = sub {
my $dir = "suid-$$";
my $ok = 1;
mkdir $dir or die "Can't mkdir($dir) for suid test";
$ok = 0 unless chmod 2000, $dir;
rmdir $dir;
return $ok;
};
SKIP: {
my @tests = (
[0000, 0777, 0777, 0777],
[0000, 0751, 0751, 0644],
[0022, 0777, 0755, 0206],
[0022, 0415, 0415, 0666],
[0077, 0777, 0700, 0333],
[0027, 0755, 0750, 0251],
[0777, 0751, 0000, 0215],
);
my $skips = @tests * 6 * 8;
my $can_suid = $can_suidp->();
skip "Can't suid on this $^O filesystem", $skips unless $can_suid;
skip "-- Copy preserves RMS defaults, not POSIX permissions.", $skips
if $^O eq 'VMS';
skip "Copy doesn't set file permissions correctly on Win32.", $skips
if $^O eq "MSWin32";
skip "Copy maps POSIX permissions to VOS permissions.", $skips
if $^O eq "vos";
skip "There be dragons here with DragonflyBSD.", $skips
if $^O eq 'dragonfly';
# Just a sub to get better failure messages.
sub __ ($) {
my $perm = shift;
my $id = 07000 & $perm;
$id >>= 9;
$perm &= 0777;
my @chunks = map {(qw [--- --x -w- -wx r-- r-x rw- rwx]) [$_]}
split // => sprintf "%03o" => $perm;
if ($id & 4) {$chunks [0] =~ s/(.)$/$1 eq '-' ? 'S' : 's'/e;}
if ($id & 2) {$chunks [1] =~ s/(.)$/$1 eq '-' ? 'S' : 's'/e;}
if ($id & 1) {$chunks [2] =~ s/(.)$/$1 eq '-' ? 'T' : 't'/e;}
join "" => @chunks;
}
# Testing permission bits.
my $src = "file-$$";
my $copy1 = "copy1-$$";
my $copy2 = "copy2-$$";
my $copy3 = "copy3-$$";
my $copy4 = "copy4-$$";
my $copy5 = "copy5-$$";
my $copy6 = "copy6-$$";
my $copyd = "copyd-$$";
open my $fh => ">", $src or die $!;
close $fh or die $!;
open $fh => ">", $copy3 or die $!;
close $fh or die $!;
open $fh => ">", $copy6 or die $!;
close $fh or die $!;
my $old_mask = umask;
foreach my $test (@tests) {
foreach my $id (0 .. 7) {
my ($umask, $s_perm, $c_perm1, $c_perm3) = @$test;
# Make sure the copies do not exist.
! -e $_ or unlink $_ or die $! for $copy1, $copy2, $copy4, $copy5;
$s_perm |= $id << 9;
$c_perm1 |= $id << 9;
diag(sprintf "Src permission: %04o; umask %03o\n", $s_perm, $umask)
unless ($ENV{PERL_CORE});
# Test that we can actually set a file to the correct permission.
# Slightly convoluted, because some operating systems will let us
# set a directory, but not a file. These should all work:
mkdir $copyd or die "Can't mkdir $copyd: $!";
chmod $s_perm, $copyd
or die sprintf "Can't chmod %o $copyd: $!", $s_perm;
rmdir $copyd
or die sprintf "Can't rmdir $copyd: $!";
open my $fh0, '>', $copy1 or die "Can't open $copy1: $!";
close $fh0 or die "Can't close $copy1: $!";
unless (chmod $s_perm, $copy1) {
$TB->skip(sprintf "Can't chmod $copy1 to %o: $!", $s_perm)
for 1..6;
next;
}
my $perm0 = (stat $copy1) [2] & 07777;
unless ($perm0 == $s_perm) {
$TB->skip(sprintf "chmod %o $copy1 lies - we actually get %o",
$s_perm, $perm0)
for 1..6;
next;
}
unlink $copy1 or die "Can't unlink $copy1: $!";
(umask $umask) // die $!;
chmod $s_perm => $src or die sprintf "$!: $src => %o", $s_perm;
chmod $c_perm3 => $copy3 or die $!;
chmod $c_perm3 => $copy6 or die $!;
open my $fh => "<", $src or die $!;
copy ($src, $copy1);
copy ($fh, $copy2);
copy ($src, $copy3);
cp ($src, $copy4);
cp ($fh, $copy5);
cp ($src, $copy6);
my $permdef = 0666 & ~$umask;
my $perm1 = (stat $copy1) [2] & 07777;
my $perm2 = (stat $copy2) [2] & 07777;
my $perm3 = (stat $copy3) [2] & 07777;
my $perm4 = (stat $copy4) [2] & 07777;
my $perm5 = (stat $copy5) [2] & 07777;
my $perm6 = (stat $copy6) [2] & 07777;
is (__$perm1, __$permdef, "Permission bits set correctly");
is (__$perm2, __$permdef, "Permission bits set correctly");
is (__$perm4, __$c_perm1, "Permission bits set correctly");
is (__$perm5, __$c_perm1, "Permission bits set correctly");
is (__$perm3, __$c_perm3, "Permission bits not modified");
is (__$perm6, __$c_perm3, "Permission bits not modified");
}
}
umask $old_mask or die $!;
# Clean up.
! -e $_ or unlink $_ or die $! for $src, $copy1, $copy2, $copy3,
$copy4, $copy5, $copy6;
}
{
package Crash;
# a package overloaded suspiciously like IO::Scalar
use overload '""' => sub { ${$_[0]} };
use overload 'bool' => sub { 1 };
sub new {
my ($class, $name) = @_;
bless \$name, $class;
}
package Zowie;
# a different package overloaded suspiciously like IO::Scalar
use overload '""' => sub { ${$_[0]} };
use overload 'bool' => sub { 1 };
sub new {
my ($class, $name) = @_;
bless \$name, $class;
}
}
{
my $object = Crash->new('whack_eth');
my %what = (plain => "$object",
object1 => $object,
object2 => Zowie->new('whack_eth'),
object2 => Zowie->new('whack_eth'),
);
my @warnings;
local $SIG{__WARN__} = sub {
push @warnings, @_;
};
foreach my $left (qw(plain object1 object2)) {
foreach my $right (qw(plain object1 object2)) {
@warnings = ();
$! = 0;
is eval {copy $what{$left}, $what{$right}}, 0, "copy $left $right";
is $@, '', 'No croaking';
is $!, '', 'No system call errors';
is @warnings, 1, 'Exactly 1 warning';
like $warnings[0],
qr/'$object' and '$object' are identical \(not copied\)/,
'with the text we expect';
}
}
}
# On Unix systems, File::Copy always returns 0 to signal failure,
# even when in list context! On Windows, it always returns "" to signal
# failure.
#
# While returning a list containing a false value is arguably a bad
# API design, at the very least we can make sure it always returns
# the same false value.
my $NO_SUCH_FILE = "this_file_had_better_not_exist";
my $NO_SUCH_OTHER_FILE = "my_goodness_im_sick_of_airports";
use constant EXPECTED_SCALAR => 0;
use constant EXPECTED_LIST => [ EXPECTED_SCALAR ];
my %subs = (
copy => \&File::Copy::copy,
cp => \&File::Copy::cp,
move => \&File::Copy::move,
mv => \&File::Copy::mv,
);
SKIP: {
skip( "Test can't run with $NO_SUCH_FILE existing", 2 * keys %subs)
if (-e $NO_SUCH_FILE);
foreach my $name (keys %subs) {
my $sub = $subs{$name};
my $scalar = $sub->( $NO_SUCH_FILE, $NO_SUCH_OTHER_FILE );
is( $scalar, EXPECTED_SCALAR, "$name in scalar context");
my @array = $sub->( $NO_SUCH_FILE, $NO_SUCH_OTHER_FILE );
is_deeply( \@array, EXPECTED_LIST, "$name in list context");
}
}
SKIP: {
skip("fork required to test pipe copying", 2)
if (!$Config{'d_fork'});
open(my $IN, "-|") || exec $^X, '-e', 'print "Hello, world!\n"';
open(my $OUT, "|-") || exec $^X, '-ne', 'exit(/Hello/ ? 55 : 0)';
ok(copy($IN, $OUT), "copy pipe to another");
close($OUT);
is($? >> 8, 55, "content copied through the pipes");
close($IN);
}
use File::Temp qw(tempdir);
use File::Spec;
SKIP: {
# RT #111126: File::Copy copy() zeros file when copying a file
# into the same directory it is stored in
my $temp_dir = tempdir( CLEANUP => 1 );
my $temp_file = File::Spec->catfile($temp_dir, "somefile");
open my $fh, ">", $temp_file
or skip "Cannot create $temp_file: $!", 2;
print $fh "Just some data";
close $fh
or skip "Cannot close $temp_file: $!", 2;
my $warn_message = "";
local $SIG{__WARN__} = sub { $warn_message .= "@_" };
ok(!copy($temp_file, $temp_dir),
"Copy of foo/file to foo/ should fail");
like($warn_message, qr/^\Q'$temp_file' and '$temp_file'\E are identical.*Copy\.t/i,
"error message should describe the problem");
1 while unlink $temp_file;
}
{
open(my $F, '>', "file-$$") or die $!;
binmode $F; # for DOSISH platforms
printf $F "ok\n";
close $F;
my $buffer = (1024 * 1024 * 2) + 1;
is eval {copy "file-$$", "copy-$$", $buffer}, 1,
"copy with buffer above normal size";
}
END {
1 while unlink "copy-$$";
1 while unlink "file-$$";
1 while unlink "lib/file-$$";
}