diff --git a/tests/test-command-template b/tests/test-command-template
--- a/tests/test-command-template
+++ b/tests/test-command-template
@@ -96,6 +96,16 @@ hg log --template '{date|rfc822date}\n'
 hg log --template '{desc|firstline}\n'
 hg log --template '{node|short}\n'
 
+echo '# formatnode filter works'
+echo '#  quiet'
+hg -q log -r 0 --template '#node|formatnode#\n'
+echo '#  normal'
+hg log -r 0 --template '#node|formatnode#\n'
+echo '#  verbose'
+hg -v log -r 0 --template '#node|formatnode#\n'
+echo '#  debug'
+hg --debug log -r 0 --template '#node|formatnode#\n'
+
 echo '# error on syntax'
 echo 'x = "f' >> t
 hg log