Add check for presence of X11 environment

thundergnat · Dec 7, 2019 · 29fb51b · 29fb51b
1 parent 0960ce1
commit 29fb51b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/t/basic-00.t b/t/basic-00.t
@@ -1,5 +1,8 @@
 use Test;
 
+die 'Needs to have an X11 widowing system available.'
+  unless shell(qw<echo $DISPLAY>, :out).out.slurp.words > 0;
+
 my $magick = qx/import --help/;
 
 is $magick.substr(0,20), 'Version: ImageMagick', 'Imagemagick import utility is available';