Factor tests/test-common.sh out of tests/smoke-test

For reuse by future tests.

tests/test-common.sh

@@ -0,0 +1,69 @@
+export EMPIREHOST=127.0.0.1 LOGNAME=tester
+
+if [ -x ./config.status ] && ./config.status --version | grep -q '^Wolfpack Empire'
+then :
+else echo "$0: Must be run in root of build tree" >&2; exit 1
+fi
+
+test=${0##*/}
+test=${test%-test}
+
+create_sandbox()
+{
+    rm -rf sandbox
+    mkdir -p sandbox/etc/empire sandbox/share/empire/builtin sandbox/var/empire
+    touch sandbox/etc/empire/schedule
+    cat >sandbox/etc/empire/econfig <<EOF
+data "../../var/empire"
+info "../../../../info.nr"
+builtin "../../share/empire/builtin"
+listen_addr "$EMPIREHOST"
+keep_journal 1
+EOF
+    cp "$srcdir"/src/lib/global/*.config sandbox/share/empire/builtin
+}
+
+start_server()
+{
+    pid=
+    trap 'if [ "$pid" ]; then kill "$pid" 2>/dev/null || true; fi' EXIT
+    src/server/emp_server -e sandbox/etc/empire/econfig -R 1
+    while src/client/empire red herring 2>&1 | grep -q "Connection refused"
+    do :	       # FIXME hangs here if server crashes on startup
+    done
+    pid=`cat sandbox/var/empire/server.pid`
+}
+
+stop_server()
+{
+    kill "$pid"
+    while kill -0 "$pid" 2>/dev/null
+    do :		    # FIXME hangs here if server fails to exit
+    done
+}
+
+cmp_out()
+{
+    local opt exp act nrm msg ret=0
+    for i
+    do
+	case "$i" in
+	*/journal.log)	opt=-j ;;
+	*/server.log)	opt=-s ;;
+	*)		opt= ;;
+	esac
+	exp="$srcdir/tests/$test/${i##*/}"
+	act="sandbox/$i"
+	nrm="sandbox/normalized-${i##*/}"
+	perl "$srcdir"/tests/normalize.pl $opt "$act" >"$nrm"
+	if msg=`diff -q "$exp" "$nrm"`
+	then
+	    echo "$exp OK"
+	else
+	    ret=$?
+	    echo "$exp FAIL"
+	    echo $msg
+	fi
+    done
+    return $ret
+}