json.test
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#!/usr/bin/env perl
require 5.008;
use warnings;
use strict;
use File::Compare;
unshift(@INC, '.');
require qpdf_test_helpers;
chdir("qpdf") or die "chdir testdir failed: $!\n";
require TestDriver;
cleanup();
my $td = new TestDriver('json');
my @json_files = (
['outlines-with-actions', []],
['outlines-with-old-root-dests', []],
['page-labels-and-outlines', []],
['page-labels-num-tree', []],
['image-streams', []],
['image-streams-small', []],
['field-types', []],
['field-types', ['--show-encryption-key']],
['image-streams', ['--decode-level=all']],
['image-streams', ['--decode-level=specialized']],
['attachment-fields', []],
['page-labels-and-outlines', ['--json-key=objects']],
['page-labels-and-outlines', ['--json-key=pages']],
['page-labels-and-outlines', ['--json-key=pagelabels']],
['page-labels-and-outlines', ['--json-key=outlines']],
['page-labels-and-outlines',
['--json-key=outlines', '--json-key=pages']],
['page-labels-and-outlines',
['--json-key=objects', '--json-object=trailer']],
['page-labels-and-outlines',
['--json-key=objects', '--json-object=trailer', '--json-object=2 0 R']],
['field-types', ['--json-key=acroform']],
['need-appearances', ['--json-key=acroform']],
['V4-aes', ['--json-key=encrypt']],
['V4-aes', ['--json-key=encrypt', '--show-encryption-key']],
);
my $n_tests = 25 + (2 * scalar(@json_files));
foreach my $d (@json_files)
{
my ($file, $xargs) = @$d;
my $out = "json-$file";
foreach my $x (@$xargs)
{
my $y = $x;
$y =~ s/^.*=//;
$y =~ s/\s.*//;
$out .= "-$y";
}
my $in = "$file.pdf";
$td->runtest("json v1 $out",
{$td->COMMAND =>
['qpdf', '--json=1', '--test-json-schema',
@$xargs, $in]},
{$td->FILE => "$out-v1.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
for (@$xargs)
{
s/--json-key=objects/--json-key=qpdf/;
}
$td->runtest("json v2 $out",
{$td->COMMAND =>
['qpdf', '--json=2', '--test-json-schema', @$xargs, $in]},
{$td->FILE => "$out-v2.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
}
$td->runtest("bad json stream data (inline)",
{$td->COMMAND =>
"qpdf --json-output=2 --decode-level=all" .
" --json-stream-data=inline bad-data.pdf a.json"},
{$td->FILE => "bad-data-json.out", $td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
$td->runtest("check (inline)",
{$td->FILE => "a.json"},
{$td->FILE => "json-bad-data-json-inline-v2.out"},
$td->NORMALIZE_NEWLINES);
$td->runtest("bad json stream data (file)",
{$td->COMMAND =>
"qpdf --json-output=2 --decode-level=all" .
" --json-stream-data=file --json-stream-prefix=auto" .
" bad-data.pdf a.json"},
{$td->FILE => "bad-data-json.out", $td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
$td->runtest("check (file)",
{$td->FILE => "a.json"},
{$td->FILE => "json-bad-data-json-file-v2.out"},
$td->NORMALIZE_NEWLINES);
$td->runtest("check stream (file)",
{$td->FILE => "auto-4"},
{$td->FILE => "bad-data-4.out"});
foreach my $l (qw(none generalized specialized all))
{
if ($l ne 'all')
{
# We don't want a dependency on the exact value of the
# uncompressed jpeg, which can differ depending on which jpeg
# library is use.
$td->runtest("image-streams json inline: $l",
{$td->COMMAND =>
"qpdf image-streams-small.pdf - --json-output=2" .
" --decode-level=$l --json-stream-data=inline"},
{$td->FILE => "json-image-streams-$l-inline-v2.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
}
$td->runtest("image-streams json file: $l",
{$td->COMMAND =>
"qpdf image-streams-small.pdf - --json-output=2" .
" --decode-level=$l --json-stream-data=file" .
" --json-stream-prefix=auto" .
" --json-object=12 --json-object=16 --json-object=18"},
{$td->FILE => "json-image-streams-$l-file-v2.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
# object 12: /FlateDecode
# object 16: /DCTDecode
# object 18: /RunLengthDecode
my %exp_compression = (
'12' => {'none' => 1},
'16' => {'none' => 1, 'generalized' => 1, 'specialized' => 1},
'18' => {'none' => 1, 'generalized' => 1},
);
foreach my $obj (qw(12 16 18))
{
my $compressed = (exists $exp_compression{$obj}{$l});
my $suf = $compressed ? "compressed" : "uncompressed";
if (($obj eq '16') && (! $compressed))
{
# Rather than testing the uncompressed DCT, just make sure
# it is different from the compressed DCT.
my $same = (compare(
"auto-$obj",
"image-streams-small-$obj-compressed.out") ?
"same" : "different");
$td->runtest("check stream data ($obj, $l)",
{$td->STRING => $same},
{$td->STRING => "same"});
}
else
{
$td->runtest("check stream data ($obj, $l)",
{$td->FILE => "auto-$obj"},
{$td->FILE => "image-streams-small-$obj-$suf.out"});
}
}
}
$td->runtest("file to stdout without prefix",
{$td->COMMAND =>
"qpdf image-streams-small.pdf - --json-output=2" .
" -json-stream-data=file"},
{$td->FILE => "file-stdout-needs-prefix.out",
$td->EXIT_STATUS => 2},
$td->NORMALIZE_NEWLINES);
cleanup();
$td->report($n_tests);