Make sure we don't modify the original text when processing the disposition

[nmh] / test / common.sh.in

diff --git a/test/common.sh.in b/test/common.sh.in
index b373b2f1f6b55b231d88d2fa3cd78b5b6890ee45..85ec2089c709d25324c06c6d3054bfd04217f65d 100644 (file)
--- a/test/common.sh.in
+++ b/test/common.sh.in
@@ -23,7 +23,10 @@ test -z "$MH_INST_DIR"  &&  MH_INST_DIR="${MH_TEST_DIR}/inst"
 export MH_INST_DIR
 
 unset MHBUILD MHCONTEXT MHMTSUSERCONF MHN MHSHOW MHSTORE
-unset MHLDEBUG MHPDEBUG MHWDEBUG MM_CHARSET PAGER
+unset MHLDEBUG MHPDEBUG MHWDEBUG PAGER
+#### Set LC_ALL in individual tests as needed.  Unset these so
+#### that we don't depend on user's settings in other tests.
+unset LANG LC_ALL LC_TYPE
 
 #### Use a test dir for tmp files when MHTMPDIR applies.
 MHTMPDIR=$MH_TEST_DIR/Mail
@@ -126,22 +129,23 @@ check_for_hard_links () {
   set -e
 }
 
-#### Filter that squeezes blank lines, emulating GNU cat -s.
+#### Filter that squeezes blank lines, partially emulating GNU cat -s,
+#### but sufficient for our purpose.
+#### From http://www-rohan.sdsu.edu/doc/sed.html, compiled by Eric Pement.
 squeeze_lines() {
-  awk '!length && e {next} {e = !length} 1'
+  sed '/^$/N;/\n$/D'
 }
 
-#### Filter that inserts initial whitespace and converts non-breakable
-#### space U+00A0 to an ASCII space.
+#### Filter that converts non-breakable space U+00A0 to an ASCII space.
 prepare_space() {
-  sed 's/^/ /; s/'"`printf '\\302\\240'`"'/ /g'
+  sed 's/'"`printf '\\302\\240'`"'/ /g'
 }
 
 #### check() requires two arguments, each the name of a file to be
 #### diff'ed.
-#### If the same, the second file is removed.  And the first file is
-####   removed unless there's an optional argument with a value of
-####   'keep first'.
+#### If the contents are same, the second file is removed.  And the
+####   first file is removed unless there's an optional argument with
+####   a value of 'keep first'.
 #### If different, global variable "failed" is incremented.
 #### If there's an optional 'ignore space' argument, spacing differences
 ####   will not be considered signficant, emulating GNU diff -w.  It
@@ -184,6 +188,26 @@ check() {
     fi
 }
 
+
+#### Shortcut to enable use of valgrind:  set NMH_VALGRIND environment
+#### variable (to anything) so run_* will use valgrind.
+if [ "${NMH_VALGRIND}"  -a  -z "${NMH_TEST_PREFIX}" ]; then
+  #### Need absolute path to valgrind.supp in case the test does a cd.
+  NMH_TEST_PREFIX="valgrind --quiet --error-exitcode=1 \
+                     --suppressions=`cd ${srcdir} && pwd`/test/valgrind.supp"
+fi
+
+#### Run test under another program by setting NMH_TEST_PREFIX
+#### environment variable to, e.g., 'valgrind --quiet'.
+run_prog() {
+  case $1 in
+    #### Don't run valgrind on shell built-in.
+    eval\ *) "$@" ;;
+    *) ${NMH_TEST_PREFIX} "$@" ;;
+  esac
+}
+
+
 #### run_test() requires two arguments, the first is a program and
 #### arguments, the second is its expected one-line output string.
 #### If the actual output does not match that string:
@@ -191,7 +215,11 @@ check() {
 #### if there is an optional third argument, it is used in the error message.
 run_test() {
   set +e
-  actual_output=`$1 2>&1`
+  case $1 in
+    #### Don't run valgrind on shell built-in.
+    eval\ *) actual_output=`$1 2>&1` ;;
+    *) actual_output=`${NMH_TEST_PREFIX} $1 2>&1` ;;
+  esac
   set -e
   if test x"$actual_output" != x"$2"; then
     echo "$0: ${3:-\"$1\"} expected:" 1>&2
@@ -255,8 +283,8 @@ EOF
   for f in MailAliases components digestcomps distcomps forwcomps mhl.body \
            mhl.digest mhl.format mhl.forward mhl.headers mhl.reply \
            mhn.defaults rcvdistcomps replcomps replgroupcomps scan.MMDDYY \
-           scan.YYYYMMDD scan.default scan.highlighted scan.mailx scan.nomime \
-           scan.size scan.time scan.timely scan.unseen
+           scan.YYYYMMDD scan.curses scan.default scan.highlighted scan.mailx \
+          scan.nomime scan.size scan.time scan.timely scan.unseen
   do
     cp "${MH_INST_DIR}${sysconfdir}/${f}" "${MH_TEST_DIR}/Mail" || exit 1
   done