diff --git a/tests/test.sh b/tests/test.sh
index 3e84200..0952dcd 100644
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -87,6 +87,7 @@ function test_result() {
 }
 
 . tests/units/backup-zip-file/test.sh
+. tests/units/backup-7z-file/test.sh
 
 if [[ "${ERROR_NUM}" == "0" ]]; then
     color green "All tests passed"
diff --git a/tests/units/backup-7z-file/test.sh b/tests/units/backup-7z-file/test.sh
new file mode 100644
index 0000000..c6b5fb1
--- /dev/null
+++ b/tests/units/backup-7z-file/test.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+
+TEST_NAME="backup-7z-file"
+TEST_OUTPUT_DIR="$(pwd)/${OUTPUT_DIR}/${TEST_NAME}"
+TEST_EXTRACT_DIR="$(pwd)/${EXTRACT_DIR}/${TEST_NAME}"
+
+PASSWORD="8a0726b7-d0f5-4034-bcb0-40a7efdb3f8b"
+BACKUP_FILE="${TEST_OUTPUT_DIR}/backup.test.7z"
+
+FAILED_NUM=0
+
+color yellow "Starting test case \"${TEST_NAME}\""
+
+function prepare() {
+    mkdir -p "${TEST_OUTPUT_DIR}" "${TEST_EXTRACT_DIR}"
+}
+
+function start() {
+    docker run --rm \
+        --mount "type=bind,source=${TEST_OUTPUT_DIR},target=${REMOTE_DIR}" \
+        -e "RCLONE_REMOTE_DIR=${REMOTE_DIR}" \
+        -e "ZIP_PASSWORD=${PASSWORD}" \
+        -e "ZIP_TYPE=7z" \
+        -e "BACKUP_FILE_SUFFIX=test" \
+        "${DOCKER_IMAGE}" \
+        backup
+}
+
+function test() {
+    color blue "Testing..."
+
+    ls -l "${BACKUP_FILE}"
+
+    7z l -p"${PASSWORD}" "${BACKUP_FILE}"
+
+    docker run --rm \
+      --mount "type=bind,source=${TEST_EXTRACT_DIR},target=/bitwarden/data/" \
+      --mount "type=bind,source=$(dirname "${BACKUP_FILE}"),target=/bitwarden/restore/" \
+      "${DOCKER_IMAGE}" \
+      restore \
+      -f \
+      -p "${PASSWORD}" \
+      --zip-file "$(basename "${BACKUP_FILE}")"
+
+    check_files_same_in_folders "${DATA_DIR}" "${TEST_EXTRACT_DIR}"
+    if [[ $? != 0 ]]; then
+        ((FAILED_NUM++))
+    fi
+}
+
+prepare
+start
+test
+
+test_result "${TEST_NAME}" "${FAILED_NUM}"