From 36734208ea9322d670cb68155993875a80f90dec Mon Sep 17 00:00:00 2001
From: Bastian Dehn <hhaalo@arcor.de>
Date: Sun, 16 Aug 2026 19:28:54 +0200
Subject: [PATCH] add test for failure partion mount

---
 src/backupmount              |  8 +++--
 tests/backupmount_tests.bats | 59 ++++++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/src/backupmount b/src/backupmount
index 2a91485..c10d48f 100755
--- a/src/backupmount
+++ b/src/backupmount
@@ -55,9 +55,13 @@ mount_partition()
 	local backup_path="$2"
 
 	echo "ℹ️ INFO: create backup path $backup_path"
-	mkdir --parents "$backup_path"
+	mkdir --parents "$backup_path" \
+		|| errlog "could not create backup path $backup_path" \
+		|| return $?
 	echo "ℹ️ INFO: mount $partition to $backup_path"
-	mount "$partition" "$backup_path"
+	mount "$partition" "$backup_path" \
+		|| errlog "could not mount $partition to $backup_path" \
+		|| return $?
 }
 
 mount_device()
diff --git a/tests/backupmount_tests.bats b/tests/backupmount_tests.bats
index a4d2b07..a3dda87 100755
--- a/tests/backupmount_tests.bats
+++ b/tests/backupmount_tests.bats
@@ -394,4 +394,63 @@ teardown() {
 	assert_equal "$(awk 'NR==1 {print; exit}' "$MOUNT_LOG")" "2"
 	assert_equal "$(awk 'NR==2 {print; exit}' "$MOUNT_LOG")" "/dev/path/to/partday"
 	assert_equal "$(awk 'NR==3 {print; exit}' "$MOUNT_LOG")" "build/test"
+}
+
+# bats test_tags=backupmount:mount
+@test "failure mount partition mkdir failed" {
+	exists_block_device() {
+		return 0
+	}
+	exists_key() {
+		return 0
+	}
+	cryptsetup() {
+		return 0
+	}
+	exists_partition() {
+		return 0
+	}
+	mkdir() {
+		return 1
+	}
+
+	run main "mount"
+
+	assert_failure
+	assert_line --index 0 "⭐ START: backupmount"
+	assert_line --index 1 "ℹ️ INFO: media day with device /dev/path/to/day found"
+	assert_line --index 2 "ℹ️ INFO: use key /path/to/luks-key-file-day"
+	assert_line --index 3 "ℹ️ INFO: volume open luks-crypt-volume"
+	assert_line --index 4 "ℹ️ INFO: create backup path build/test"
+	assert_line --index 5 "❌ ERROR: could not create backup path build/test"
+}
+
+# bats test_tags=backupmount:mount
+@test "failure mount partition failed" {
+	exists_block_device() {
+		return 0
+	}
+	exists_key() {
+		return 0
+	}
+	cryptsetup() {
+		return 0
+	}
+	exists_partition() {
+		return 0
+	}
+	mount() {
+		return 1
+	}
+
+	run main "mount"
+
+	assert_failure
+	assert_line --index 0 "⭐ START: backupmount"
+	assert_line --index 1 "ℹ️ INFO: media day with device /dev/path/to/day found"
+	assert_line --index 2 "ℹ️ INFO: use key /path/to/luks-key-file-day"
+	assert_line --index 3 "ℹ️ INFO: volume open luks-crypt-volume"
+	assert_line --index 4 "ℹ️ INFO: create backup path build/test"
+	assert_line --index 5 "ℹ️ INFO: mount /dev/path/to/partday to build/test"
+	assert_line --index 6 "❌ ERROR: could not mount /dev/path/to/partday to build/test"
 }
\ No newline at end of file
-- 
2.47.3