test: new test, verify pre:post: scripts with optional env:file

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

test/pre-post-serv.sh

@@ -0,0 +1,62 @@
+#!/bin/sh
+set -eu
+
+TEST_DIR=$(dirname "$0")
+
+test_setup()
+{
+	say "Test start $(date)"
+}
+
+test_teardown()
+{
+	say "Test done $(date)"
+
+	texec rm -f "$FINIT_CONF"
+}
+
+test_one()
+{
+	pre=$1
+	precont=$2
+	service=$3
+	post=$4
+	postcont=$5
+
+	say "Add service stanza '$service' to $FINIT_CONF ..."
+	texec sh -c "echo '$service' > $FINIT_CONF"
+
+	say 'Reload Finit'
+	texec sh -c "initctl reload"
+
+	retry 'assert_num_children 1 serv'
+	if [ -n "$pre" ]; then
+		assert_file_contains "$pre" "$precont"
+		texec sh -c "rm -f $pre"
+	fi
+
+	say 'Stop the service'
+	texec sh -c "initctl stop serv"
+
+	retry 'assert_num_children 0 serv'
+	if [ -n "$post" ]; then
+		assert_file_contains "$post" "$postcont"
+		texec sh -c "rm -f $post"
+	fi
+
+	say "Done, drop service from $FINIT_CONF ..."
+	texec sh -c "rm $FINIT_CONF"
+	texec sh -c "initctl reload"
+}
+
+# shellcheck source=/dev/null
+. "$TEST_DIR/tenv/lib.sh"
+
+#texec sh -c "initctl debug"
+
+test_one ""       ""  "service                   serv -np -- Regular fg service, no pre/post scripts" "" ""
+test_one ""       ""  "service env:/etc/env      serv -np -e foo:bar -- serv + env, no pre/post scripts" "" ""
+test_one /tmp/pre PRE "service pre:/bin/pre.sh   serv -np -- serv + pre script" "" ""
+test_one /tmp/pre bar "service env:/etc/env pre:/bin/pre.sh serv -np -e baz:qux -- Env + pre script" "" ""
+test_one ""       ""  "service post:/bin/post.sh serv -np -- Regular fg service, post script" /tmp/post POST
+test_one ""       ""  "service env:/etc/env post:/bin/post.sh serv -np -- Regular fg service, post script" /tmp/post qux