fu/t/compress.t
Yorhel 6159b33950 FU::Util: Add brotli_compress() and use it for FU output compression
Seems to compresses and perform better than libdeflate at level 6, so
certainly worth using.
2025-03-19 10:12:20 +01:00

66 lines
1.7 KiB
Perl

use v5.36;
use Test::More;
use FU::Util qw/gzip_lib gzip_compress brotli_compress/;
like gzip_lib, qr/^(|libdeflate|zlib-ng|zlib)$/, gzip_lib;
my $incompressible;
subtest 'gzip_compress', sub {
plan skip_all => 'No suitable gzip library found' if !gzip_lib;
plan skip_all => 'Compress::Zlib not found' if !eval { require Compress::Zlib };
$incompressible = Compress::Zlib::memGzip(join '', map chr(rand 256), 0..93123);
for my $str ('', 'Hello world!', 'x'x4096, $incompressible) {
is Compress::Zlib::memGunzip(gzip_compress(0, $str)), $str;
is Compress::Zlib::memGunzip(gzip_compress(12, $str)), $str;
}
};
subtest 'brotli_compress', sub {
plan skip_all => 'libbrotlienc not available'
if !eval { brotli_compress 6, '' } && $@ =~ /Unable to load/;
ok length(brotli_compress 0, '') > 0;
ok length(brotli_compress 11, '') > 0;
# '0' does not disable compression...
ok length(brotli_compress 0, 'Hello world!'x100) < 200;
ok length(brotli_compress 11, 'Hello world!'x100) < 100;
};
done_testing;
__END__
# Test for leaks:
use Test::LeakTrace;
diag count_sv;
for (0..1000) {
for my $str ('', 'Hello world!', 'x'x4096, $incompressible) {
local $_ = gzip_lib;
$_ = gzip_compress(0, $str);
$_ = gzip_compress(12, $str);
$_ = brotli_compress(0, $str);
$_ = brotli_compress(11, $str);
}
}
diag count_sv;
# Compare performance:
use Benchmark 'cmpthese';
open my $F, '<', 'FU.pm';
local $/ = undef;
my $data = <$F>;
cmpthese -3, {
memGzip => 'Compress::Zlib::memGzip($data)',
gzip_compress => 'gzip_compress(6, $data)',
brotli_compress => 'brotli_compress(6, $data)',
};