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|
use t::TestYAML;
use JSON::Syck;
use Test::More;
use FindBin '$RealBin';
chdir $RealBin;
unless (-w $RealBin) {
plan skip_all => "Can't write to $RealBin";
exit;
}
plan tests => 12;
*::LoadFile = *JSON::Syck::LoadFile;
# remember where *DATA begins
my $pos = tell(DATA);
die "tell(DATA) failed: $!" unless $pos != -1;
# read via a GLOB
is(LoadFile(*DATA), "a simple scalar", 'LoadFile(*DATA) works');
# rewind *DATA
seek(DATA, $pos, 0)==1 or die "rewind *DATA failed: $!";
# read via a GLOB ref
is(LoadFile(\*DATA), "a simple scalar", 'LoadFile(\*DATA) works');
sub write_file {
my ($fh, $contents) = @_;
local *H;
open(H, "> $fh") or die $!;
print H $contents;
close(H);
}
# write YAML to a file
write_file('loadfile.json', "---\na simple scalar");
write_file('emptyfile.json', "");
END {
unlink 'loadfile.json' or die "can't delete 'loadfile.json': $!" if -e 'loadfile.json';
unlink 'emptyfile.json' or die "can't delete 'emptyfile.json': $!" if -e 'emptyfile.json';
}
# using file names
is(LoadFile('loadfile.json'), "a simple scalar", 'LoadFile works with file names');
# read via IO::File
{
require IO::File;
my $h = IO::File->new('loadfile.json');
is(LoadFile($h), "a simple scalar", 'LoadFile works with IO::File');
close($h);
}
# read via indirect file handles
SKIP: {
skip "indirect file handles require 5.6 or later", 1 unless $] >= 5.006000;
open(my $h, 'loadfile.json');
is(LoadFile($h), "a simple scalar", 'LoadFile works with indirect filehandles');
close($h);
}
# read via ordinary filehandles
{
local *H;
open(H, 'loadfile.json');
is(LoadFile(*H), "a simple scalar", 'LoadFile works with ordinary filehandles');
close(H);
}
# read via ordinary filehandles (refs)
{
local *H;
open(H, 'loadfile.json');
is(LoadFile(\*H), "a simple scalar", 'LoadFile works with glob refs');
close(H);
}
# load from "in memory" file
SKIP : {
skip "in-memory files require 5.8 or later", 1 unless $] >= 5.00800;
open(my $h, '<', \'a simple scalar');
is(LoadFile($h), "a simple scalar", 'LoadFile works with in-memory files');
close($h);
}
{ # Load empty file fails
my $json = eval {LoadFile('emptyfile.json')};
like($@, qr/^'emptyfile.json' is non-existant or empty at/ms, "LoadFile dies loading an empty file");
is($json, undef, "LoadFile returns undef loading an empty file");
}
{ # Load empty file handle fails with an obscure message. See RT 70933
open(my $fh, '<', 'emptyfile.json') or die;
my $json = eval {LoadFile($fh)};
like($@, qr/^Usage: YAML::Syck::LoadJSON\(s\) at /ms, "LoadFile dies loading an empty file");
is($json, undef, "LoadFile returns undef loading an empty file");
}
__DATA__
"a simple scalar"
|
