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package FilePathTest;
use strict;
use warnings;
use base 'Exporter';
use SelectSaver;
use Carp;
use Cwd;
use File::Spec::Functions;
use File::Path ();
use Test::More ();
our @EXPORT_OK = qw(
_run_for_warning
_run_for_verbose
_cannot_delete_safe_mode
_verbose_expected
create_3_level_subdirs
cleanup_3_level_subdirs
);
sub _basedir {
return catdir(
curdir(),
sprintf( 'test-%x-%x-%x', time, $$, rand(99999) ),
);
}
sub _run_for_warning {
my $coderef = shift;
my $warn = '';
local $SIG{__WARN__} = sub { $warn .= shift };
&$coderef;
return $warn;
}
sub _run_for_verbose {
my $coderef = shift;
my $stdout = '';
{
my $guard = SelectSaver->new(_ref_to_fh(\$stdout));
&$coderef;
}
return $stdout;
}
sub _ref_to_fh {
my $output = shift;
open my $fh, '>', $output;
return $fh;
}
# Whether a directory can be deleted without modifying permissions varies
# by platform and by current privileges, so we really have to do the same
# check the module does in safe mode to determine that.
sub _cannot_delete_safe_mode {
my $path = shift;
return $^O eq 'VMS'
? !&VMS::Filespec::candelete($path)
: !-w $path;
}
# What verbose mode reports depends on what it can do in safe mode.
# Plus on VMS, mkpath may report what it's operating on in a
# different format from the format of the path passed to it.
sub _verbose_expected {
my ($function, $path, $safe_mode, $base) = @_;
my $expected;
if ($function =~ m/^(mkpath|make_path)$/) {
# On VMS, mkpath reports in Unix format. Maddeningly, it
# reports the top-level directory without a trailing slash
# and everything else with.
if ($^O eq 'VMS') {
$path = VMS::Filespec::unixify($path);
$path =~ s/\/$// if defined $base && $base;
}
$expected = "mkdir $path\n";
}
elsif ($function =~ m/^(rmtree|remove_tree)$/) {
# N.B. Directories must still/already exist for this to work.
$expected = $safe_mode && _cannot_delete_safe_mode($path)
? "skipped $path\n"
: "rmdir $path\n";
}
elsif ($function =~ m/^(unlink)$/) {
$expected = "unlink $path\n";
$expected =~ s/\n\z/\.\n/ if $^O eq 'VMS';
}
else {
die "Unknown function $function in _verbose_expected";
}
return $expected;
}
BEGIN {
if ($] < 5.008000) {
eval qq{#line @{[__LINE__+1]} "@{[__FILE__]}"\n} . <<'END' or die $@;
no warnings 'redefine';
use Symbol ();
sub _ref_to_fh {
my $output = shift;
my $fh = Symbol::gensym();
tie *$fh, 'StringIO', $output;
return $fh;
}
package StringIO;
sub TIEHANDLE { bless [ $_[1] ], $_[0] }
sub CLOSE { @{$_[0]} = (); 1 }
sub PRINT { ${ $_[0][0] } .= $_[1] }
sub PRINTF { ${ $_[0][0] } .= sprintf $_[1], @_[2..$#_] }
1;
END
}
}
sub create_3_level_subdirs {
my @dirnames = @_;
my %seen = map {$_ => 1} @dirnames;
croak "Need 3 distinct names for subdirectories"
unless scalar(keys %seen) == 3;
my $tdir = File::Spec::Functions::tmpdir();
my $least_deep = catdir($tdir, $dirnames[0]);
my $next_deepest = catdir($least_deep, $dirnames[1]);
my $deepest = catdir($next_deepest, $dirnames[2]);
return ($least_deep, $next_deepest, $deepest);
}
sub cleanup_3_level_subdirs {
# runs 2 tests
my $least_deep = shift;
croak "Must provide path of least subdirectory"
unless (length($least_deep) and (-d $least_deep));
my $x;
my $opts = { error => \$x };
File::Path::remove_tree($least_deep, $opts);
Test::More::ok(! -d $least_deep, "directory '$least_deep' removed, as expected");
Test::More::is(scalar(@{$x}), 0, "no error messages using remove_tree() with \$opts");
}
1;
|
