test: new regression test for bug #313

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/Makefile.am

@@ -33,6 +33,7 @@ EXTRA_DIST		+= runlevel.sh
 EXTRA_DIST		+= start-stop-service.sh
 EXTRA_DIST		+= start-stop-service-sub-config.sh
 EXTRA_DIST		+= start-kill-service.sh
+EXTRA_DIST		+= start-kill-stop.sh
 EXTRA_DIST		+= start-stop-sysv.sh
 EXTRA_DIST		+= start-stop-serv.sh
 EXTRA_DIST		+= signal-service.sh
@@ -65,6 +66,7 @@ TESTS			+= runlevel.sh
 TESTS			+= start-stop-service.sh
 TESTS			+= start-stop-service-sub-config.sh
 TESTS			+= start-kill-service.sh
+TESTS			+= start-kill-stop.sh
 TESTS			+= start-stop-sysv.sh
 TESTS			+= start-stop-serv.sh
 TESTS			+= signal-service.sh

test/start-kill-stop.sh

@@ -0,0 +1,66 @@
+#!/bin/sh
+# Regression test for Finit bug #313:
+#   - services get the 'forking' flag on initctl reload
+#   - stopping a crashing task while its restart callback is pending
+#     causes state 'running' with pid:0 (i.e., not running at all.)
+# 
+
+set -eu
+
+TEST_DIR=$(dirname "$0")
+
+# shellcheck source=/dev/null
+. "$TEST_DIR/tenv/lib.sh"
+
+test_teardown()
+{
+#	texec sh -c "initctl status -j serv"
+	say "Test done $(date)"
+	say "Running test teardown."
+
+	texec rm -f "$FINIT_CONF"
+}
+
+say "Check deps ..."
+check_dep jq
+check_dep fozza
+
+
+say "Test start $(date)"
+rm -f "$TENV_ROOT"/oldpid
+
+say "Add service stanza in $FINIT_CONF"
+texec sh -c "echo 'service [2345] log:stderr serv -np -- Test service' > $FINIT_CONF"
+
+say 'Reload Finit'
+texec sh -c "initctl reload"
+
+say 'Verify serv is running ...'
+retry 'assert_num_children 1 serv'
+
+say 'Verify reload does not change forking type of service'
+#texec sh -c "initctl status -j serv"
+texec sh -c "initctl reload"
+#texec sh -c "initctl status -j serv"
+assert_forking serv false
+
+say 'Simulate service crash (kill -9 ..)'
+texec sh -c "initctl debug"
+i=0
+laps=7
+while [ $i -lt $laps ]; do
+	i=$((i + 1))
+	say "Lap $i/$laps, killing service ..." # we have this, no sleep needed
+	texec sh -c "slay serv"
+done
+
+say 'Verify stopping service actually stops it'
+sleep 1
+texec sh -c "initctl stop serv"
+sleep 5
+#texec sh -c "initctl status serv"
+assert_status serv stopped
+
+say 'Verify restarting service actually starts it'
+texec sh -c "initctl start serv"
+retry 'assert_num_children 1 serv'

test/tenv/lib.sh

@@ -36,6 +36,16 @@ assert_num_services()
 	assert "$1 services are loaded" "$(texec initctl -t status "$2" | wc -l)" -eq "$1"
 }
 
+assert_forking()
+{
+	assert "service $1 forking:$2" "$(texec initctl -j status "$1" | jq -M .forking)" = "$2"
+}
+
+assert_nopid()
+{
+	assert "service $1 pid:0" "$(texec initctl -j status "$1" | jq -M .pid)" -eq 0
+}
+
 # shellcheck disable=SC2086
 assert_new_pid()
 {