diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 00000000..13702323
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,12 @@
+language: bash
+# https://github.com/caarlos0-graveyard/shell-ci-build
+
+# The Ubuntu Linux Build Environments
+#   https://docs.travis-ci.com/user/reference/linux/
+dist: precise
+
+script:
+  - test-cases/integration-test.sh
+
+after_script:
+  - git status --ignored
diff --git a/README.md b/README.md
index 9cc4278b..78bdc993 100644
--- a/README.md
+++ b/README.md
@@ -3,12 +3,14 @@
 
 <img src="docs/script-logo.png" width="20%" align="right" />
 
-[![License](https://img.shields.io/badge/license-Apache%202-4EB1BA.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)
-[![Join the chat at https://gitter.im/oldratlee/useful-scripts](https://badges.gitter.im/oldratlee/useful-scripts.svg)](https://gitter.im/oldratlee/useful-scripts?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Build Status](https://img.shields.io/travis/oldratlee/useful-scripts/dev-2.x?logo=travis-ci&logoColor=white)](https://travis-ci.org/oldratlee/useful-scripts)
 [![GitHub release](https://img.shields.io/github/release/oldratlee/useful-scripts.svg)](https://github.com/oldratlee/useful-scripts/releases)
-[![GitHub stars](https://img.shields.io/github/stars/oldratlee/useful-scripts.svg?style=social&label=Star&)](https://github.com/oldratlee/useful-scripts/stargazers)
-[![GitHub forks](https://img.shields.io/github/forks/oldratlee/useful-scripts.svg?style=social&label=Fork&)](https://github.com/oldratlee/useful-scripts/fork)
-
+[![License](https://img.shields.io/github/license/oldratlee/useful-scripts?color=4D7A97)](https://www.apache.org/licenses/LICENSE-2.0.html)
+[![Chat at gitter.im](https://img.shields.io/gitter/room/oldratlee/useful-scripts?color=46BC99&logo=gitter&logoColor=white)](https://gitter.im/oldratlee/useful-scripts?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)  
+[![GitHub Stars](https://img.shields.io/github/stars/oldratlee/useful-scripts)](https://github.com/oldratlee/useful-scripts/stargazers)
+[![GitHub Forks](https://img.shields.io/github/forks/oldratlee/useful-scripts)](https://github.com/oldratlee/useful-scripts/fork)
+[![GitHub issues](https://img.shields.io/github/issues/oldratlee/useful-scripts)](https://github.com/oldratlee/useful-scripts/issues)
+[![GitHub Contributors](https://img.shields.io/github/contributors/oldratlee/useful-scripts)](https://github.com/oldratlee/useful-scripts/graphs/contributors)
 
 👉 把平时有用的手动操作做成脚本，这样可以便捷的使用。 ✨
 
diff --git a/test-cases/integration-test.sh b/test-cases/integration-test.sh
new file mode 100755
index 00000000..7d07e0df
--- /dev/null
+++ b/test-cases/integration-test.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+set -eEuo pipefail
+cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"
+
+################################################################################
+# constants
+################################################################################
+
+# NOTE: $'foo' is the escape sequence syntax of bash
+readonly ec=$'\033'      # escape char
+readonly eend=$'\033[0m' # escape end
+readonly nl=$'\n'        # new line
+
+################################################################################
+# common util functions
+################################################################################
+
+colorEcho() {
+    local color=$1
+    shift
+
+    # if stdout is the console, turn on color output.
+    [ -t 1 ] && echo "${ec}[1;${color}m$*${eend}" || echo "$*"
+}
+
+redEcho() {
+    colorEcho 31 "$@"
+}
+
+yellowEcho() {
+    colorEcho 33 "$@"
+}
+
+blueEcho() {
+    colorEcho 36 "$@"
+}
+
+logAndRun() {
+    local simple_mode=false
+    [ "$1" = "-s" ] && {
+        simple_mode=true
+        shift
+    }
+
+    if $simple_mode; then
+        echo "Run under work directory $PWD : $*"
+        "$@"
+    else
+        blueEcho "Run under work directory $PWD :$nl$*"
+        time "$@"
+    fi
+}
+
+################################################################################
+# run *_test.sh unit test cases
+################################################################################
+
+for test_case in *_test.sh; do
+    logAndRun ./"$test_case"
+done