From 1f7c110083ca2dabd4a7bfbe16b903da178403ef Mon Sep 17 00:00:00 2001
From: Joachim Wiberg <troglobit@gmail.com>
Date: Mon, 30 Dec 2024 12:43:50 +0100
Subject: [PATCH] test: verify tag based filtering

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
---
 test/Makefile.am |  3 ++-
 test/tag.sh      | 59 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100755 test/tag.sh

diff --git a/test/Makefile.am b/test/Makefile.am
index e56da64..1454304 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -1,7 +1,7 @@
 EXTRA_DIST       = lib.sh opts.sh
 EXTRA_DIST      += api.sh local.sh unicode.sh remote.sh fwd.sh mark.sh      \
 		   memleak.sh facility.sh notify.sh rotate_all.sh secure.sh \
-		   logger.sh listen.sh sighup.sh
+		   logger.sh listen.sh sighup.sh tag.sh
 CLEANFILES       = *~ *.trs *.log
 TEST_EXTENSIONS  = .sh
 TESTS_ENVIRONMENT= unshare -mrun
@@ -27,5 +27,6 @@ TESTS           += notify.sh
 TESTS           += rotate_all.sh
 TESTS           += secure.sh
 TESTS           += sighup.sh
+TESTS           += tag.sh
 
 programs: $(check_PROGRAMS)
diff --git a/test/tag.sh b/test/tag.sh
new file mode 100755
index 0000000..d337231
--- /dev/null
+++ b/test/tag.sh
@@ -0,0 +1,59 @@
+#!/bin/sh
+# Verify property based filtering, including ident/tag.
+. "${srcdir:-.}/lib.sh"
+
+TG1=pimd
+TG2=mrouted
+MSG="Multicast, a perfect weapon for an imperfect time."
+UNX="In UNIX we trust"
+
+LOGDIR="$DIR/log"
+SYSLOG="${LOGDIR}/syslog"
+TG1LOG="${LOGDIR}/$TG1.log"
+TG2LOG="${LOGDIR}/$TG2.log"
+
+setup_syslogd()
+{
+    mkdir -p "$LOGDIR"
+    cat <<-EOF >"${CONF}"
+	#!-$TG1,$TG2
+	*.*		-$SYSLOG
+	#!$TG1
+	*.*		$TG1LOG
+	#!$TG2
+	*.*		$TG2LOG
+	EOF
+    setup -m0
+}
+
+verify_tag()
+{
+    tag="$1"; shift
+    log="$1"; shift
+    msg="$*"
+
+    logger -t "$tag" "$msg"
+    grep "$msg" "$log"
+}
+
+verify_log()
+{
+    log="$1"; shift
+    msg="$*"
+
+    grep "$msg" "$log"
+}
+
+verify_not()
+{
+    verify_log "$@" || return 0
+}
+
+run_step "Set up property based filtering syslogd" setup_syslogd
+run_step "Verify basic tag based filtering (1)"    verify_tag "$TG1" "$TG1LOG" "$MSG"
+run_step "Verify basic tag based filtering (2)"    verify_tag "$TG2" "$TG2LOG" "$MSG"
+run_step "Verify not in syslog"                    verify_not        "$SYSLOG" "$MSG"
+
+run_step "Verify unfiltered tag logging"           verify_tag "foo"  "$SYSLOG" "$UNX"
+run_step "Verify unfiltered message in syslog"     verify_log        "$SYSLOG" "$UNX"
+run_step "Verify unfiltered message not filtered"  verify_not        "$TG1LOG" "$UNX"