add unittests for img

this focuses on the features introduced in
http://ikiwiki.info/bugs/svg_and_pdf_conversion_fails/

1 files changed, 60 insertions, 0 deletions

diff --git a/t/img.t b/t/img.t
new file mode 100755
index 000000000..b42db26cf
--- /dev/null
+++ b/t/img.t
@@ -0,0 +1,60 @@
+#!/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
+#
+package IkiWiki;
+
+use warnings;
+use strict;
+use Test::More;
+
+BEGIN { use_ok("IkiWiki"); }
+
+ok(! system("rm -rf t/tmp; mkdir -p t/tmp/in"));
+
+ok(! system("convert canvas:red -scale 20x20 t/tmp/in/simple.png"));
+ok(! system("convert t/tmp/in/simple.png -extent 20x10 t/tmp/in/long.png"));
+ok(! system("convert t/tmp/in/simple.png t/tmp/in/simple-svg.svg"));
+# using different image sizes for different pages, so the pagenumber selection can be tested easily
+ok(! system("convert t/tmp/in/simple.png t/tmp/in/long.png t/tmp/in/simple-pdf.pdf"));
+
+writefile("imgconversions.mdwn", "t/tmp/in", <<EOF
+[[!img simple.png]]
+[[!img simple.png size=10x]]
+[[!img simple-svg.svg size=10x]]
+[[!img simple-pdf.pdf size=10x]]
+[[!img simple-pdf.pdf size=10x 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));
+
+my $outpath = "t/tmp/out/imgconversions";
+ok(`identify $outpath/10x-simple.png` =~ "PNG 10x10 ");
+ok(`identify $outpath/10x-simple-svg.png` =~ "PNG 10x10 ");
+ok(`identify $outpath/10x-simple-pdf.png` =~ "PNG 10x10 ");
+ok(`identify $outpath/10x-p1-simple-pdf.png` =~ "PNG 10x5 ");
+
+# now let's remove them again
+
+writefile("imgconversions.mdwn", "t/tmp/in", "nothing to see here");
+
+ok(! system("$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;