tests: add basic rc-service tests

Author: navi-desu

sh/meson.build

@@ -21,8 +21,6 @@ sh_config = [
   ]
 
 scripts_config = [
-  'gendepends.sh.in',
-  'openrc-run.sh.in',
   'openrc-user.sh.in',
   's6-svscanboot.sh.in'
   ]
@@ -58,12 +56,18 @@ foreach file : sh_config
     install_dir : rc_shdir)
 endforeach
 
+openrc_run_sh = configure_file(input : 'openrc-run.sh.in',
+  output : '@BASENAME@', configuration : sh_conf_data,
+  install_dir : rc_shdir, install_mode : 'rwxr-xr-x')
+
+gendepends_sh = configure_file(input : 'gendepends.sh.in',
+  output : '@BASENAME@', configuration : sh_conf_data,
+  install_dir : rc_shdir, install_mode : 'rwxr-xr-x')
+
 foreach file : scripts_config
   configure_file(input : file,
-    output : '@BASENAME@',
-    configuration : sh_conf_data,
-    install_dir : rc_shdir,
-    install_mode : 'rwxr-xr-x')
+    output : '@BASENAME@', configuration : sh_conf_data,
+    install_dir : rc_shdir, install_mode : 'rwxr-xr-x')
 endforeach
 
 foreach file : scripts_config_os

src/openrc-run/meson.build

@@ -1,4 +1,4 @@
-executable('openrc-run', 'openrc-run.c',
+openrc_run = executable('openrc-run', 'openrc-run.c',
   dependencies: [rc, einfo, shared, audit_dep, dl_dep, pam_dep, pam_misc_dep, selinux_dep, util_dep, crypt_dep],
   include_directories: incdir,
   install: true,

src/rc-service/meson.build

@@ -1,4 +1,4 @@
-executable('rc-service', 'rc-service.c',
+rc_service = executable('rc-service', 'rc-service.c',
   include_directories: incdir,
   dependencies: [rc, einfo, shared],
   install: true,

test/units/meson.build

@@ -1,5 +1,7 @@
-is_older_than = find_program('check-is-older-than.sh')
-sh_yesno = find_program('check-sh-yesno.sh')
-
-test('is_older_than', is_older_than, env : test_env)
-test('sh_yesno', sh_yesno, env : test_env)
+test('is_older_than', find_program('check-is-older-than.sh'), env: test_env)
+test('sh_yesno', find_program('check-sh-yesno.sh'), env: test_env)
+test('rc-service', find_program('rc-service.sh'),
+  env: [test_env, 'SUBDIR=' + meson.current_source_dir()],
+  workdir: meson.project_source_root(),
+  verbose: true,
+  args: [ rc_service, openrc_run, openrc_run_sh, gendepends_sh ])

test/units/rc-service.sh

@@ -0,0 +1,72 @@
+#!/bin/sh
+
+set -e
+
+. "$SUBDIR/setup-root.sh"
+rc_service=${1?}
+openrc_run=${2?}
+cp "${3?}" "$root/run/openrc/openrc-run.sh"
+cp "${4?}" "$root/run/openrc/gendepends.sh"
+chmod +x "$root/run/openrc/openrc-run.sh"
+chmod +x "$root/run/openrc/gendepends.sh"
+
+rc_service() {
+	$rc_service "$@" 2>&1
+}
+
+in_state() {
+	state=${1?}
+	shift
+	for svc; do
+		test "$(readlink "$RC_SVCDIR/$state/$svc")" = "$root/etc/init.d/$svc"
+	done
+}
+
+mkservice() {
+	service="$root/etc/init.d/$1"
+	cat > "$service" <<-EOF
+	#!$SOURCE_ROOT/${openrc_run}
+	depend() {
+		${2-:;}
+	}
+	start() {
+		${3-sleep 0.1}
+	}
+	EOF
+	chmod +x "$service"
+}
+
+mkservice nya
+mkservice foo "need nya"
+mkservice mew "want foo"
+
+addrunlevel() {
+	ln -s "$root/etc/init.d/${1?}" "$root/etc/runlevel/${2?}/$1"
+}
+
+rc_service nya start
+in_state started nya
+
+rc_service nya stop
+( ! in_state started nya )
+
+rc_service foo start
+in_state started foo nya
+
+rc_service foo stop
+in_state started nya
+( ! in_state started foo )
+
+rc_service foo start
+in_state started foo nya
+
+rc_service nya stop
+( ! in_state started foo nya )
+
+rc_service mew start
+in_state started foo nya mew
+
+rc_service nya stop
+rc_service mew stop
+
+( ! in_state started foo nya mew )

test/units/setup-root.sh

@@ -0,0 +1,21 @@
+root=$(mktemp -d --tmpdir rc.XXXXXX)
+#trap "rm -r $root" EXIT
+
+sysdir="$root/etc"
+export RC_LIBEXECDIR="$BUILD_ROOT"
+export RC_SCRIPTDIRS="$sysdir"
+export RC_SVCDIR="$root/run/openrc"
+mkdir -p "$RC_SVCDIR"
+echo "default" > "$RC_SVCDIR/softlevel"
+
+for dir in init.d conf.d runlevels; do
+	mkdir -p "$sysdir/$dir"
+done
+for dir in sysinit boot default boop shutdown; do
+	mkdir -p "$sysdir/runlevels/$dir"
+done
+
+for dir in daemons exclusive failed hotplugged inactive init.d \
+		options scheduled started starting stopping tmp wasinactive; do
+	mkdir -p "$root/run/openrc/$dir"
+done