tests/libtest.sh: Print non-matching file on failure

We clean up the temporary directory on failure, which means it's hard
to know *why* a regex didn't match.  Print it when we hit an error.

Closes: #383
Approved by: mbarnes

diff --git a/tests/libtest.sh b/tests/libtest.sh
index 2d064299cb93b5b8e09cce93b6084d7f71a60815..e93b9510aedbf76a5272f946c2405576732980da 100755 (executable)
--- a/tests/libtest.sh
+++ b/tests/libtest.sh
@@ -138,6 +138,7 @@ assert_file_has_content () {
     if ! grep -q -e "$2" "$1"; then
         sed -e 's/^/# /' < "$1" >&2
         echo 1>&2 "File '$1' doesn't match regexp '$2'"
+       cat $1
         exit 1
     fi
 }