Fixup BDB2 switching. Use 'test' instead of '['. Use '=' instead of '=='.

Use $BACKEND instead of BDB2.  Fallback to LDBM if $BACKEND is not BDB2.

tests/Makefile.in

@@ -5,13 +5,13 @@
 BUILD_BDB2 = @BUILD_BDB2@
 
 bdb2-local:	FORCE
-	@if [ "$(BUILD_BDB2)" = "yes" ]; then \
-		@-$(LN_S) $(srcdir)/data .; \
-		echo "Initiating LDAP tests..."; \
+	@if test "$(BUILD_BDB2)" = "yes" ; then \
+		$(LN_S) $(srcdir)/data . ; \
+		echo "Initiating LDAP tests..." ; \
 		$(MKDIR) test-db test-repl ; \
-		$(srcdir)/scripts/all $(srcdir) bdb2;\
+		$(srcdir)/scripts/all $(srcdir) bdb2 ; \
 	else \
-		echo "run configure with --enable-bdb2"; \
+		echo "run configure with --enable-bdb2" ; \
 	fi
 
 all-local:	FORCE

tests/scripts/all

@@ -5,25 +5,25 @@ LDAPNOINIT=true; export LDAPNOINIT
 
 echo ">>>>> Executing all LDAP tests..."
 
-if [ $# -eq 0 ]; then
+if test $# -eq 0 ; then
 	SRCDIR="."
 else
 	SRCDIR=$1; shift
 fi
+
 echo ">>>>> Test Directory: $SRCDIR"
 
-if [ $# -eq 1 ]; then
-	BDB2=$1; shift
-	if [ "$BDB2" == "ldbm" ]; then
-		echo ">>>>> LDBM mode"
-	else
-		echo ">>>>> BDB2 mode"
-	fi
+if test $# -eq 0 ; then
+	BACKEND=ldbm
+else
+	BACKEND=$1; shift
 fi
 
+echo ">>>>> Backend: $BACKEND"
+
 for CMD in $SRCDIR/scripts/test*; do
 	echo ">>>>> Starting `basename $CMD` ..."
-	$CMD $SRCDIR $BDB2
+	$CMD $SRCDIR $BACKEND
 	RC=$?
 	if [ $RC -eq 0 ]; then
 		echo ">>>>> $CMD completed OK."

tests/scripts/defines.sh

-if [ $# -eq 0 ]; then
+if test $# -eq 0 ; then
 	SRCDIR="."
 else
 	SRCDIR=$1; shift
 fi
-if [ $# -eq 1 ]; then
-	BDB2=$1; shift
+if test $# -eq 0 ; then
+	BACKEND=ldbm
+else
+	BACKEND=$1; shift
 fi
 
 DATADIR=$SRCDIR/data
 
-if [ $BDB2 == "bdb2" ]; then
+if test "$BACKEND" = "bdb2" ; then
 	LDIF2LDBM=../servers/slapd/tools/ldif2ldbm-bdb2
 	CONF=$DATADIR/slapd-bdb2-master.conf
 	ACLCONF=$DATADIR/slapd-bdb2-acl.conf