img test: skip testing PDFs if unsupported

diff --git a/debian/changelog b/debian/changelog
index 90d6aa626b93f2d5dd89f86bd650fcfe1788be2f..dc2fe2f0611b3ec19f53fe7caae811f28ef9ba34 100644 (file)
--- a/debian/changelog
+++ b/debian/changelog
@@ -36,6 +36,7 @@ ikiwiki (3.20150615) UNRELEASED; urgency=medium
   * d/control: Standards-Version: 3.9.6, no changes required
   * Silence "used only once: possible typo" warnings for variables
     that are part of modules' APIs
+  * img test: skip testing PDFs if unsupported
 
  -- Simon McVittie <smcv@debian.org>  Mon, 15 Jun 2015 18:13:23 +0100
 

diff --git a/doc/bugs/img_test_failure_on_nix.mdwn b/doc/bugs/img_test_failure_on_nix.mdwn
index 3b9e076d0046e4404967de5e41196975229d854a..911cc66a12203024c2c841cb2d1143f8b06ac182 100644 (file)
--- a/doc/bugs/img_test_failure_on_nix.mdwn
+++ b/doc/bugs/img_test_failure_on_nix.mdwn
@@ -27,3 +27,7 @@ Peter Simons wrote:
 >>
 >> If the result is `$VAR1 = [ undef ]`, then we can easily make the test skip that bit if PDFs don't work.
 >> --[[smcv]]
+
+>>> That configuration test doesn't actually work because of the way
+>>> ImageMagick processes PDFs via ghostscript, but loading a sample
+>>> PDF and probing its width does seem to work. [[done]] --[[smcv]]

diff --git a/t/img.t b/t/img.t
index 1f2e7d044407d17d691bb3a29c64cef615ef230c..0fceebeb8f7b14f5ff58c10b8746e9ad575a2456 100755 (executable)
--- a/t/img.t
+++ b/t/img.t
@@ -38,6 +38,9 @@ push @command, qw(--set usedirs=0 --plugin img t/tmp/in t/tmp/out --verbose);
 my $magick = new Image::Magick;
 my $SVGS_WORK = defined $magick->QueryFormat("svg");
 
+$magick->Read("t/img/twopages.pdf");
+my $PDFS_WORK = defined $magick->Get("width");
+
 ok(! system("rm -rf t/tmp; mkdir -p t/tmp/in"));
 
 ok(! system("cp t/img/redsquare.png t/tmp/in/redsquare.png"));
@@ -60,6 +63,14 @@ if ($SVGS_WORK) {
        $maybe_svg_img = "[[!img emptysquare.svg size=10x]]";
 }
 
+my $maybe_pdf_img = "";
+if ($PDFS_WORK) {
+       $maybe_pdf_img = <<EOF;
+[[!img twopages.pdf size=12x]]
+[[!img twopages.pdf size=16x pagenumber=1]]
+EOF
+}
+
 writefile("imgconversions.mdwn", "t/tmp/in", <<EOF
 [[!img redsquare.png]]
 [[!img redsquare.png size=10x]]
@@ -68,8 +79,7 @@ writefile("imgconversions.mdwn", "t/tmp/in", <<EOF
 [[!img a:b:c.png size=x4]]
 [[!img a:b:c:d:e:f:g:h:i:j.png size=x6]]
 $maybe_svg_img
-[[!img twopages.pdf size=12x]]
-[[!img twopages.pdf size=16x pagenumber=1]]
+$maybe_pdf_img
 EOF
 );
 ok(utime(333333333, 333333333, "t/tmp/in/imgconversions.mdwn"));
@@ -93,13 +103,20 @@ is(size("$outpath/10x-redsquare.png"), "10x10");
 ok(! -e "$outpath/30x-redsquare.png");
 ok($outhtml =~ /width="30" height="30".*expecting 30x30/);
 
-if ($SVGS_WORK) {
+SKIP: {
+       skip "SVG support not installed (try libmagickcore-extra)", 1
+               unless $SVGS_WORK;
        # if this fails, you need libmagickcore-6.q16-2-extra installed
-       is(size("$outpath/10x-emptysquare.png"), "10x10");
+       is(size("$outpath/10x-bluesquare.png"), "10x10");
+}
+
+SKIP: {
+       skip "PDF support not installed (try ghostscript)", 2
+               unless $PDFS_WORK;
+       is(size("$outpath/12x-twopages.png"), "12x12");
+       is(size("$outpath/16x-p1-twopages.png"), "16x2");
 }
 
-is(size("$outpath/12x-twopages.png"), "12x12");
-is(size("$outpath/16x-p1-twopages.png"), "16x2");
 ok($outhtml =~ /width="8" height="8".*expecting 8x8/);
 is(size("$outpath/x8-hello:world.png"), "8x8");
 is(size("$outpath/x4-a:b:c.png"), "4x4");