diff --git a/tests/test.sh b/tests/test.sh
index 9093bb5..bd25f60 100644
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -89,6 +89,7 @@ function test_result() {
 . tests/units/backup-zip-file/test.sh
 . tests/units/backup-7z-file/test.sh
 . tests/units/backup-unpackage/test.sh
+. tests/units/backup-cron/test.sh
 
 if [[ "${ERROR_NUM}" == "0" ]]; then
     color green "All tests passed"
diff --git a/tests/units/backup-cron/test.sh b/tests/units/backup-cron/test.sh
new file mode 100644
index 0000000..165a76f
--- /dev/null
+++ b/tests/units/backup-cron/test.sh
@@ -0,0 +1,59 @@
+#!/bin/bash
+
+TEST_NAME="backup-cron"
+TEST_OUTPUT_DIR="$(pwd)/${OUTPUT_DIR}/${TEST_NAME}"
+
+PASSWORD="faedea12-7f9e-4d84-983f-d049d9b82a36"
+BACKUP_FILE="${TEST_OUTPUT_DIR}/backup.test.zip"
+
+FAILED_NUM=0
+
+color yellow "Starting test case \"${TEST_NAME}\""
+
+function prepare() {
+    mkdir -p "${TEST_OUTPUT_DIR}"
+}
+
+function start() {
+    docker run --rm -d \
+        --name "${TEST_NAME}" \
+        --mount "type=bind,source=${TEST_OUTPUT_DIR},target=${REMOTE_DIR}" \
+        -e "RCLONE_REMOTE_DIR=${REMOTE_DIR}" \
+        -e "ZIP_PASSWORD=${PASSWORD}" \
+        -e "BACKUP_FILE_SUFFIX=test" \
+        -e "CRON='* * * * *'" \
+        "${DOCKER_IMAGE}"
+}
+
+function test() {
+    color blue "Testing..."
+
+    local TIMER=0
+    local SUCCESS=FALSE
+
+    # wait 120s
+    while [[ "${TIMER}" -lt 120 ]]; do
+        if [[ -f "${BACKUP_FILE}" && -s "${BACKUP_FILE}" ]]; then
+            SUCCESS=TRUE
+            break
+        fi
+
+        sleep 1
+        ((TIMER++))
+    done
+
+    # stop the container
+    docker stop "${TEST_NAME}"
+
+    ls -l "${BACKUP_FILE}"
+
+    if [[ "${SUCCESS}" == "FALSE" ]]; then
+        ((FAILED_NUM++))
+    fi
+}
+
+prepare
+start
+test
+
+test_result "${TEST_NAME}" "${FAILED_NUM}"