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#!/usr/bin/perl
#
# unit test that creates test images (png, svg, multi-page pdf), runs ikiwiki
# on them, checks the resulting images for plausibility based on their image
# sizes, and checks if they vanish when not required in the build process any
# more
#
# if you have trouble here, be aware that there are three debian packages that
# can provide Image::Magick: perlmagick, libimage-magick-perl and
# graphicsmagick-libmagick-dev-compat
#
package IkiWiki;
use warnings;
use strict;
use Test::More;
BEGIN { use_ok("IkiWiki"); }
BEGIN { use_ok("Image::Magick"); }
my $magick = new Image::Magick;
my $SVGS_WORK = defined $magick->QueryFormat("svg");
ok(! system("rm -rf t/tmp; mkdir -p t/tmp/in"));
ok(! system("cp t/img/redsquare.png t/tmp/in/redsquare.png"));
if ($SVGS_WORK) {
writefile("emptysquare.svg", "t/tmp/in",
'<svg width="30" height="30"><rect x="0" y="0" width="30" height="30" fill="blue"/></svg>');
}
# using different image sizes for different pages, so the pagenumber selection can be tested easily
ok(! system("cp t/img/twopages.pdf t/tmp/in/twopages.pdf"));
my $maybe_svg_img = "";
if ($SVGS_WORK) {
$maybe_svg_img = "[[!img emptysquare.svg size=10x]]";
}
writefile("imgconversions.mdwn", "t/tmp/in", <<EOF
[[!img redsquare.png]]
[[!img redsquare.png size=10x]]
[[!img redsquare.png size=30x50]] expecting 30x30
$maybe_svg_img
[[!img twopages.pdf size=12x]]
[[!img twopages.pdf size=16x pagenumber=1]]
EOF
);
ok(! system("make -s ikiwiki.out"));
my $command = "perl -I. ./ikiwiki.out --set usedirs=0 --templatedir=templates --plugin img t/tmp/in t/tmp/out --verbose";
ok(! system($command));
sub size($) {
my $filename = shift;
my $im = Image::Magick->new();
my $r = $im->Read($filename);
return "no image" if $r;
my $w = $im->Get("width");
my $h = $im->Get("height");
return "${w}x${h}";
}
my $outpath = "t/tmp/out/imgconversions";
my $outhtml = readfile("$outpath.html");
is(size("$outpath/10x-redsquare.png"), "10x10");
ok(! -e "$outpath/30x-redsquare.png");
ok($outhtml =~ /width="30" height="30".*expecting 30x30/);
if ($SVGS_WORK) {
# if this fails, you need libmagickcore-6.q16-2-extra installed
is(size("$outpath/10x-emptysquare.png"), "10x10");
}
is(size("$outpath/12x-twopages.png"), "12x12");
is(size("$outpath/16x-p1-twopages.png"), "16x2");
# now let's remove them again
if (1) { # for easier testing
writefile("imgconversions.mdwn", "t/tmp/in", "nothing to see here");
ok(! system("$command --refresh"));
ok(! -e "$outpath/10x-simple.png");
ok(! -e "$outpath/10x-simple-svg.png");
ok(! -e "$outpath/10x-simple-pdf.png");
ok(! -e "$outpath/10x-p1-simple-pdf.png");
# cleanup
ok(! system("rm -rf t/tmp"));
}
done_testing;
1;
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