-#!./perl
+#!./perl -w
BEGIN {
- chdir 't' if -d 't';
- @INC = '../lib';
+ if( $ENV{PERL_CORE} ) {
+ chdir 't' if -d 't';
+ @INC = '../lib';
+ }
}
+use strict;
+use warnings;
+
use Test::More;
my $TB = Test::More->builder;
-plan tests => 60;
+plan tests => 459;
# We're going to override rename() later on but Perl has to see an override
# at compile time to honor it.
BEGIN { *CORE::GLOBAL::rename = sub { CORE::rename($_[0], $_[1]) }; }
-use File::Copy;
+use File::Copy qw(copy move cp);
use Config;
)
{
eval $code;
- like $@, qr/^Usage: /;
+ like $@, qr/^Usage: /, "'$code' is a usage error";
}
}
# First we create a file
- open(F, ">file-$$") or die;
+ open(F, ">file-$$") 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-$$") or die;
- $foo = <F>;
+ open(F, "copy-$$") or die $!;
+ my $foo = <F>;
close(F);
- is -s "file-$$", -s "copy-$$";
+ is -s "file-$$", -s "copy-$$", 'copy(fn, fn): files of the same size';
- is $foo, "ok\n";
+ 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-$$", \*STDOUT;
open(F,"file-$$");
copy(*F, "copy-$$");
open(R, "copy-$$") or die "open copy-$$: $!"; $foo = <R>; close(R);
- is $foo, "ok\n";
+ is $foo, "ok\n", 'copy(*F, fn): same contents';
unlink "copy-$$" or die "unlink: $!";
open(F,"file-$$");
copy(\*F, "copy-$$");
close(F) or die "close: $!";
open(R, "copy-$$") or die; $foo = <R>; close(R) or die "close: $!";
- is $foo, "ok\n";
+ is $foo, "ok\n", 'copy(\*F, fn): same contents';
unlink "copy-$$" or die "unlink: $!";
require IO::File;
- $fh = IO::File->new(">copy-$$") or die "Cannot open copy-$$:$!";
- binmode $fh or die;
+ 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";
+ is $foo, "ok\n", 'copy(fn, io): same contents';
unlink "copy-$$" or die "unlink: $!";
require FileHandle;
- my $fh = FileHandle->new(">copy-$$") or die "Cannot open copy-$$:$!";
- binmode $fh or die;
+ $fh = FileHandle->new(">copy-$$") or die "Cannot open copy-$$:$!";
+ binmode $fh or die $!;
copy("file-$$",$fh);
$fh->close;
- open(R, "copy-$$") or die; $foo = <R>; close(R);
- is $foo, "ok\n";
+ open(R, "copy-$$") or die $!; $foo = <R>; close(R);
+ is $foo, "ok\n", 'copy(fn, fh): same contents';
unlink "file-$$" or die "unlink: $!";
ok !move("file-$$", "copy-$$"), "move on missing file";
ok move("copy-$$", "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";
+ open(R, "file-$$") or die $!; $foo = <R>; close(R);
+ is $foo, "ok\n", 'contents preserved';
TODO: {
local $TODO = 'mtime only preserved on ODS-5 with POSIX dates and DECC$EFS_FILE_TIMESTAMPS enabled' if $^O eq 'VMS';
($cross_partition_test ? " while testing cross-partition" : "");
}
+ # trick: create lib/ if not exists - not needed in Perl core
+ unless (-d 'lib') { mkdir 'lib' or die $!; }
copy "file-$$", "lib";
- open(R, "lib/file-$$") or die; $foo = <R>; close(R);
- is $foo, "ok\n";
+ open(R, "lib/file-$$") 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-$$") or die; $foo = <R>; close(R);
- is $foo, "ok\n";
+ open(R, "lib/file-$$") 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-$$");
+ ok copy("file-$$", "file-$$"), 'copy(fn, fn) succeeds';
- like $warnings, qr/are identical/;
- ok -s "file-$$";
+ 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";
- ok !-e "file-$$";
+ is $foo, "ok\n", 'move(fn, dir): same contents';
+ ok !-e "file-$$", 'file moved indeed';
unlink "lib/file-$$" or die "unlink: $!";
SKIP: {
my $warnings = '';
local $SIG{__WARN__} = sub { $warnings .= join '', @_ };
- ok !copy("file-$$", "symlink-$$");
+ ok !copy("file-$$", "symlink-$$"), 'copy to itself (via symlink) fails';
- like $warnings, qr/are identical/;
+ like $warnings, qr/are identical/, 'emits a warning';
ok !-z "file-$$",
'rt.perl.org 5196: copying to itself would truncate the file';
- unlink "symlink-$$";
- unlink "file-$$";
+ unlink "symlink-$$" or die $!;
+ unlink "file-$$" or die $!;
}
SKIP: {
- skip "Testing hard links", 3 if !$Config{d_link} or $^O eq 'MSWin32';
+ skip "Testing hard links", 3
+ if !$Config{d_link} or $^O eq 'MSWin32' or $^O eq 'cygwin';
open(F, ">file-$$") or die $!;
print F "dummy content\n";
my $warnings = '';
local $SIG{__WARN__} = sub { $warnings .= join '', @_ };
- ok !copy("file-$$", "hardlink-$$");
+ ok !copy("file-$$", "hardlink-$$"), 'copy to itself (via hardlink) fails';
- like $warnings, qr/are identical/;
+ like $warnings, qr/are identical/, 'emits a warning';
ok ! -z "file-$$",
'rt.perl.org 5196: copying to itself would truncate the file';
- unlink "hardlink-$$";
- unlink "file-$$";
+ 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-$$ so that we force a non-constant, else the numeric conversion (of 0)
+ # is cached and we don't get a warning the second time round
+ is eval { copy("file-$$", "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 $!;
}
+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;
+
+ 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 $^O eq "MSWin32";
+
+ # Just a sub to get better failure messages.
+ sub __ ($) {
+ 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-$$";
+
+ 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 doesn't 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 $copy1 or die "Can't mkdir $copy1: $!";
+ chmod $s_perm, $copy1
+ or die sprintf "Can't chmod %o $copy1: $!", $s_perm;
+ rmdir $copy1
+ or die sprintf "Can't rmdir $copy1: $!";
+ 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");
+ TODO: {
+ local $TODO = 'Permission bits inconsistent under cygwin'
+ if $^O eq 'cygwin';
+ is (__$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}}, 1, "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");
+ }
+}
+
END {
1 while unlink "file-$$";
1 while unlink "lib/file-$$";