From 5bb23e258cd013ec059c745c6925cfddb2acaff3 Mon Sep 17 00:00:00 2001
From: Bastian Dehn <hhaalo@arcor.de>
Date: Sat, 8 Aug 2026 12:03:01 +0200
Subject: [PATCH] add test for create backup folder with last number

---
 src/backup              |  8 ++++++--
 tests/backup_tests.bats | 26 ++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/src/backup b/src/backup
index bc9aa3b..8b60618 100755
--- a/src/backup
+++ b/src/backup
@@ -95,10 +95,11 @@ get_last_backup_dir_path()
 get_backup_dir()
 {
 	local config="$1"
+	local last_backup_number="$2"
 	local backup_path=
 	local backup_name=
 	local date=
-	local last_backup_number="1"
+	last_backup_number=${last_backup_number:="1"}
 	date=$(date --iso-8601=date)
 	backup_path=$(echo "$config" | jq --raw-output '.backup_path')
 	backup_name=$(echo "$config" | jq --raw-output '.backup_name')
@@ -312,12 +313,15 @@ main()
 		|| errlog "$CONFIG_FILE missing machines" \
 		|| return $?
 
+	local last_backup_dir_path=
 	last_backup_dir_path=$(get_last_backup_dir_path "$config")
 	[ -n "$last_backup_dir_path" ] \
 		&& echo "ℹ️ INFO: last backup dir path $last_backup_dir_path"
+	local last_backup_dir="${last_backup_dir_path##*/}"
+	last_backup_number="${last_backup_dir:11:2}"
 
 	local backup_dir=
-	backup_dir=$(get_backup_dir "$config")
+	backup_dir=$(get_backup_dir "$config" "$last_backup_number")
 	echo "ℹ️ INFO: backup folder $backup_dir"
 	create_backup_dir "$config" "$backup_dir"
 	backup_machines "$config" \
diff --git a/tests/backup_tests.bats b/tests/backup_tests.bats
index ee17a2a..a3d5e86 100755
--- a/tests/backup_tests.bats
+++ b/tests/backup_tests.bats
@@ -297,6 +297,32 @@ teardown() {
 	[ -d "build/2000-01-01_01_backup" ]
 }
 
+@test "success create backup folder latest number" {
+	mkdir --parents "build/2000-01-01_35_backup"
+	backup_machines() {
+		:
+	}
+	cleanup_old_backups() {
+		:
+	}
+
+	run main
+
+	assert_success
+	assert_line --index 0 "⭐ START: backup"
+	assert_line --index 1 "ℹ️ INFO: backup path build"
+	assert_line --index 2 "ℹ️ INFO: backup name backup"
+	assert_line --index 3 "ℹ️ INFO: backup count 15"
+	assert_line --index 4 "ℹ️ INFO: last backup dir path build/2000-01-01_35_backup"
+	assert_line --index 5 "ℹ️ INFO: backup folder 2000-01-01_36_backup"
+	assert_line --index 6 "ℹ️ INFO: create folder build/2000-01-01_36_backup"
+	assert_line --index 7 "ℹ️ INFO: backup count: 2"
+	assert_line --index 8 "✅ SUCCESS: backup"
+	[ -d "build/2000-01-01_36_backup" ]
+	rmdir "build/2000-01-01_35_backup"
+	rmdir "build/2000-01-01_36_backup"
+}
+
 @test "success backup machines" {
 	machine_backup_pathes() {
 		:
-- 
2.47.3