Merge branch 'ready/imgforpdf-and-more'

3 files changed, 82 insertions, 0 deletions

diff --git a/t/img.t b/t/img.t
new file mode 100755
index 000000000..9a48cb1c5
--- /dev/null
+++ b/t/img.t
@@ -0,0 +1,82 @@
+#!/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"); }
+
+ok(! system("rm -rf t/tmp; mkdir -p t/tmp/in"));
+
+ok(! system("cp t/img/redsquare.png t/tmp/in/redsquare.png"));
+writefile("emptysquare.svg", "t/tmp/in", '<svg width="30" height="30"/>');
+# 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"));
+
+writefile("imgconversions.mdwn", "t/tmp/in", <<EOF
+[[!img redsquare.png]]
+[[!img redsquare.png size=10x]]
+[[!img redsquare.png size=30x50]] expecting 30x30
+[[!img emptysquare.svg size=10x]]
+[[!img twopages.pdf size=12x]]
+[[!img twopages.pdf size=16x pagenumber=1]]
+EOF
+);
+
+ok(! system("make -s ikiwiki.out"));
+
+my $command = "perl -I. ./ikiwiki.out -set usedirs=0 -plugin img t/tmp/in t/tmp/out -verbose";
+
+ok(! system($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($outhtml =~ /width="30" height="30".*expecting 30x30/);
+# if this fails, you need libmagickcore-6.q16-2-extra installed
+is(size("$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;
diff --git a/t/img/redsquare.png b/t/img/redsquare.png
new file mode 100644
index 000000000..0033932aa
--- /dev/null
+++ b/t/img/redsquare.png
diff --git a/t/img/twopages.pdf b/t/img/twopages.pdf
new file mode 100644
index 000000000..8be9b6539
--- /dev/null
+++ b/t/img/twopages.pdf