zopfli.test
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#!/usr/bin/env perl
require 5.008;
use warnings;
use strict;
unshift(@INC, '.');
require qpdf_test_helpers;
chdir("qpdf") or die "chdir testdir failed: $!\n";
require TestDriver;
my $dev_null = File::Spec->devnull();
cleanup();
my $td = new TestDriver('zopfli');
my $n_tests = 0;
my $zopfli_enabled = (system("qpdf --zopfli >$dev_null 2>&1") == 0);
if (! $zopfli_enabled) {
# Variables are not checked
$n_tests = 8;
$td->runtest("zopfli not enabled",
{$td->COMMAND => "QPDF_ZOPFLI=force qpdf --zopfli"},
{$td->STRING => "zopfli support is not enabled\n",
$td->EXIT_STATUS => 2},
$td->NORMALIZE_NEWLINES);
$td->runtest("zopfli disabled",
{$td->COMMAND => "QPDF_ZOPFLI=disabled qpdf minimal.pdf a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->COMMAND => "qpdf-test-compare a.pdf minimal-out.pdf"},
{$td->FILE => "minimal-out.pdf", $td->EXIT_STATUS => 0});
$td->runtest("zopfli silent",
{$td->COMMAND => "QPDF_ZOPFLI=silent qpdf minimal.pdf a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->COMMAND => "qpdf-test-compare a.pdf minimal-out.pdf"},
{$td->FILE => "minimal-out.pdf", $td->EXIT_STATUS => 0});
$td->runtest("zopfli warning",
{$td->COMMAND => "QPDF_ZOPFLI=on qpdf minimal.pdf a.pdf"},
{$td->FILE => "zopfli-warning.out", $td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->COMMAND => "qpdf-test-compare a.pdf minimal-out.pdf"},
{$td->FILE => "minimal-out.pdf", $td->EXIT_STATUS => 0});
$td->runtest("zopfli error",
{$td->COMMAND => "QPDF_ZOPFLI=force qpdf minimal.pdf a.pdf"},
{$td->REGEXP => "QPDF_ZOPFLI=force, and zopfli support is not enabled",
$td->EXIT_STATUS => 2},
$td->NORMALIZE_NEWLINES);
} else {
# Check variables
$n_tests = 4;
$td->runtest("zopfli supported and enabled",
{$td->COMMAND => "QPDF_ZOPFLI=on qpdf --zopfli"},
{$td->STRING => "zopfli support is enabled, and zopfli is active\n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("zopfli supported and disabled",
{$td->COMMAND => "QPDF_ZOPFLI=disabled qpdf --zopfli"},
{$td->REGEXP => "(?s)zopfli support is enabled but not active.*QPDF_ZOPFLI.*\n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
# CI runs the whole test suite with QPDF_ZOPFLI=force, but run one
# for a guarantee.
$td->runtest("run with zopfli",
{$td->COMMAND => "QPDF_ZOPFLI=force qpdf minimal.pdf a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->COMMAND => "qpdf-test-compare a.pdf minimal-out.pdf"},
{$td->FILE => "minimal-out.pdf", $td->EXIT_STATUS => 0});
}
cleanup();
$td->report($n_tests);