use ANFANG;
-use constant DEBUG_TEST_CONCURRENCY_LOCKS =>
- ( ($ENV{DBICTEST_DEBUG_CONCURRENCY_LOCKS}||'') =~ /^(\d+)$/ )[0]
- ||
- 0
-;
-
use Config;
use Carp qw(cluck confess croak);
-use Fcntl ':flock';
-use Scalar::Util qw(blessed refaddr);
+use Fcntl qw( :DEFAULT :flock );
+use Scalar::Util qw( blessed refaddr openhandle );
use DBIx::Class::_Util qw( scope_guard parent_dir );
+use constant {
+
+ DEBUG_TEST_CONCURRENCY_LOCKS => (
+ ( ($ENV{DBICTEST_DEBUG_CONCURRENCY_LOCKS}||'') =~ /^(\d+)$/ )[0]
+ ||
+ 0
+ ),
+
+ # During 5.13 dev cycle HELEMs started to leak on copy
+ # add an escape for these perls ON SMOKERS - a user/CI will still get death
+ # constname a homage to http://theoatmeal.com/comics/working_home
+ PEEPEENESS => (
+ (
+ DBIx::Class::_ENV_::PERL_VERSION >= 5.013005
+ and
+ DBIx::Class::_ENV_::PERL_VERSION <= 5.013006
+ )
+ and
+ require DBICTest::RunMode
+ and
+ DBICTest::RunMode->is_smoker
+ and
+ ! DBICTest::RunMode->is_ci
+ ),
+};
+
use base 'Exporter';
our @EXPORT_OK = qw(
- dbg stacktrace
- local_umask find_co_root
- visit_namespaces
+ dbg stacktrace class_seems_loaded
+ local_umask slurp_bytes tmpdir find_co_root rm_rf
+ PEEPEENESS
check_customcond_args
await_flock DEBUG_TEST_CONCURRENCY_LOCKS
);
# This figure esentially means "how long can a single test hold a
# resource before everyone else gives up waiting and aborts" or
# in other words "how long does the longest test-group legitimally run?"
-my $lock_timeout_minutes = 15; # yes, that's long, I know
+my $lock_timeout_minutes = 30; # yes, that's long, I know
my $wait_step_seconds = 0.25;
sub await_flock ($$) {
# "say something" every 10 cycles to work around RT#108390
# jesus christ our tooling is such a crock of shit :(
- print "#\n" if not $tries % 10;
+ unless ( $tries % 10 ) {
+
+ # Turning on autoflush is crucial: if stars align just right buffering
+ # will ensure we never actually call write() underneath until the grand
+ # timeout is reached (and that's too long). Reproducible via
+ #
+ # DBICTEST_VERSION_WARNS_INDISCRIMINATELY=1 \
+ # DBICTEST_RUN_ALL_TESTS=1 \
+ # strace -f \
+ # prove -lj10 xt/extra/internals/
+ #
+ select( ( select(\*STDOUT), $|=1 )[0] );
+ print STDOUT "#\n";
+ }
}
+ print STDERR "Lock timeout of $lock_timeout_minutes minutes reached: "
+ unless $res;
+
return $res;
}
if ! defined wantarray;
my $old_umask = umask($_[0]);
- die "Setting umask failed: $!" unless defined $old_umask;
+ croak "Setting umask failed: $!" unless defined $old_umask;
scope_guard(sub {
- local ($@, $!, $?);
+ local ( $!, $^E, $?, $@ );
eval {
defined(umask $old_umask) or die "nope";
unless -f "${root}Makefile.PL";
}
- $root;
+ # at this point we are pretty sure this is the right thing - detaint
+ ($root =~ /(.+)/)[0];
}
}
+my $tempdir;
+sub tmpdir () {
+ $tempdir ||= do {
+
+ require File::Spec;
+ my $dir = File::Spec->tmpdir;
+ $dir .= '/' unless $dir =~ / [\/\\] $ /x;
+
+ # the above works but not always, test it to bits
+ my $reason_dir_unusable;
+
+ # PathTools has a bug where on MSWin32 it will often return / as a tmpdir.
+ # This is *really* stupid and the result of having our lockfiles all over
+ # the place is also rather obnoxious. So we use our own heuristics instead
+ # https://rt.cpan.org/Ticket/Display.html?id=76663
+ my @parts = File::Spec->splitdir($dir);
+
+ # deal with how 'C:\\\\\\\\\\\\\\' decomposes
+ pop @parts while @parts and ! length $parts[-1];
+
+ if (
+ @parts < 2
+ or
+ ( @parts == 2 and $parts[1] =~ /^ [\/\\] $/x )
+ ) {
+ $reason_dir_unusable =
+ 'File::Spec->tmpdir returned a root directory instead of a designated '
+ . 'tempdir (possibly https://rt.cpan.org/Ticket/Display.html?id=76663)';
+ }
+ else {
+ # make sure we can actually create and sysopen a file in this dir
+
+ my $fn = $dir . "_dbictest_writability_test_$$";
+
+ my $u = local_umask(0); # match the umask we use in DBICTest(::Schema)
+ my $g = scope_guard { unlink $fn };
+
+ eval {
+
+ if (-e $fn) {
+ unlink $fn or die "Unable to unlink pre-existing $fn: $!\n";
+ }
+
+ sysopen (my $tmpfh, $fn, O_RDWR|O_CREAT) or die "Opening $fn failed: $!\n";
+
+ print $tmpfh 'deadbeef' x 1024 or die "Writing to $fn failed: $!\n";
+
+ close $tmpfh or die "Closing $fn failed: $!\n";
+
+ 1;
+ }
+ or
+ do {
+ chomp( my $err = $@ );
+
+ my @x_tests = map
+ { (defined $_) ? ( $_ ? 1 : 0 ) : 'U' }
+ map
+ { (-e, -d, -f, -r, -w, -x, -o)}
+ ($dir, $fn)
+ ;
+
+ $reason_dir_unusable = sprintf <<"EOE", $fn, $err, scalar $>, scalar $), umask(), (stat($dir))[4,5,2], @x_tests;
+File::Spec->tmpdir returned a directory which appears to be non-writeable:
+
+Error encountered while testing '%s': %s
+Process EUID/EGID: %s / %s
+Effective umask: %o
+TmpDir UID/GID: %s / %s
+TmpDir StatMode: %o
+TmpDir X-tests: -e:%s -d:%s -f:%s -r:%s -w:%s -x:%s -o:%s
+TmpFile X-tests: -e:%s -d:%s -f:%s -r:%s -w:%s -x:%s -o:%s
+EOE
+ };
+ }
+
+ if ($reason_dir_unusable) {
+ # Replace with our local project tmpdir. This will make multiple tests
+ # from different runs conflict with each other, but is much better than
+ # polluting the root dir with random crap or failing outright
+ my $local_dir = find_co_root . 't/var/';
+
+ # Generlly this should be handled by ANFANG, but double-check ourselves
+ # Not using mkdir_p here: we *know* everything else up until 'var' exists
+ # If it doesn't - we better fail outright
+ # (also saves an extra File::Path require(), small enough as it is)
+ -d $local_dir
+ or
+ mkdir $local_dir
+ or
+ die "Unable to create build-local tempdir '$local_dir': $!\n";
+
+ warn "\n\nUsing '$local_dir' as test scratch-dir instead of '$dir': $reason_dir_unusable\n\n";
+ $dir = $local_dir;
+ }
+
+ $dir;
+ };
+}
+
+
+sub slurp_bytes ($) {
+ croak "Expecting a file name, not a filehandle" if openhandle $_[0];
+ croak "'$_[0]' is not a readable filename" unless -f $_[0] && -r $_[0];
+ open my $fh, '<:raw', $_[0] or croak "Unable to open '$_[0]': $!";
+ local $/ unless wantarray;
+ <$fh>;
+}
+
+
+sub rm_rf ($) {
+ croak "No argument supplied to rm_rf()" unless length "$_[0]";
+
+ return unless -e $_[0];
+
+### I do not trust myself - check for subsuming ( the right way )
+### Avoid things like https://rt.cpan.org/Ticket/Display.html?id=111637
+ require Cwd;
+
+ my ($target, $tmp, $co_tmp) = map {
+
+ my $abs_fn = Cwd::abs_path("$_");
+
+ if ( $^O eq 'MSWin32' and length $abs_fn ) {
+
+ # sometimes we can get a short/longname mix, normalize everything to longnames
+ $abs_fn = Win32::GetLongPathName($abs_fn);
+
+ # Fixup for unixy (as opposed to native) slashes
+ $abs_fn =~ s|\\|/|g;
+ }
+
+ $abs_fn =~ s| (?<! / ) $ |/|x
+ if -d $abs_fn;
+
+ ( $abs_fn =~ /(.+)/s )[0]
+
+ } ( $_[0], tmpdir, find_co_root . 't/var' );
+
+ croak(
+ "Path supplied to rm_rf() '$target' is neither within the local nor the "
+ . "global scratch dirs ( '$co_tmp' and '$tmp' ): REFUSING TO `rm -rf` "
+ . 'at random'
+ ) unless (
+ ( index($target, $co_tmp) == 0 and $target ne $co_tmp )
+ or
+ ( index($target, $tmp) == 0 and $target ne $tmp )
+ );
+###
+
+ require File::Path;
+
+ # do not ask for a recent version, use 1.x API calls
+ File::Path::rmtree([ $target ]);
+}
+
+
+# This is an absolutely horrible thing to do on an end-user system
+# DO NOT use it indiscriminately - ideally under nothing short of ->is_smoker
+# Not added to EXPORT_OK on purpose
+sub can_alloc_MB ($) {
+ my $arg = shift;
+ $arg = 'UNDEF' if not defined $arg;
+
+ croak "Expecting a positive integer, got '$arg'"
+ if $arg !~ /^[1-9][0-9]*$/;
+
+ my ($perl) = $^X =~ /(.+)/;
+ local $ENV{PATH};
+ local $ENV{PERL5LIB} = join ($Config{path_sep}, @INC);
+
+ local ( $!, $^E, $?, $@ );
+
+ system( $perl, qw( -Mt::lib::ANFANG -e ), <<'EOS', $arg );
+$0 = 'malloc_canary';
+my $tail_character_of_reified_megastring = substr( ( join '', map chr, 0..255 ) x (4 * 1024 * $ARGV[0]), -1 );
+EOS
+
+ !!( $? == 0 )
+}
sub stacktrace {
my $frame = shift;
$args;
}
-sub visit_namespaces {
- my $args = { (ref $_[0]) ? %{$_[0]} : @_ };
-
- my $visited_count = 1;
-
- # A package and a namespace are subtly different things
- $args->{package} ||= 'main';
- $args->{package} = 'main' if $args->{package} =~ /^ :: (?: main )? $/x;
- $args->{package} =~ s/^:://;
-
- if ( $args->{action}->($args->{package}) ) {
- my $ns =
- ( ($args->{package} eq 'main') ? '' : $args->{package} )
- .
- '::'
- ;
-
- $visited_count += visit_namespaces( %$args, package => $_ ) for
- grep
- # this happens sometimes on %:: traversal
- { $_ ne '::main' }
- map
- { $_ =~ /^(.+?)::$/ ? "$ns$1" : () }
- do { no strict 'refs'; keys %$ns }
- ;
- }
+#
+# Replicate the *heuristic* (important!!!) implementation found in various
+# forms within Class::Load / Module::Inspector / Class::C3::Componentised
+#
+sub class_seems_loaded ($) {
+
+ croak "Function expects a class name as plain string (no references)"
+ unless defined $_[0] and not length ref $_[0];
+
+ no strict 'refs';
+
+ return 1 if defined ${"$_[0]::VERSION"};
+
+ return 1 if @{"$_[0]::ISA"};
+
+ return 1 if $INC{ (join ('/', split ('::', $_[0]) ) ) . '.pm' };
+
+ ( !!*{"$_[0]::$_"}{CODE} ) and return 1
+ for keys %{"$_[0]::"};
- return $visited_count;
+ return 0;
}
1;