diff --git a/.github/workflows/bunTest.yaml b/.github/workflows/bunTest.yaml
new file mode 100644
index 0000000..7d34272
--- /dev/null
+++ b/.github/workflows/bunTest.yaml
@@ -0,0 +1,49 @@
+name: Bun Test 🧪
+
+on:
+  push:
+    branches:
+      - main
+      - feature-bunTest
+    paths:
+      - "test/bun/**"
+      - ".github/workflows/bunTest.yaml"
+
+jobs:
+  bunTest:
+    runs-on: ubuntu-24.04
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    name: Bun Test
+    steps:
+      - uses: actions/checkout@v4.2.2
+      - name: use Default
+        uses: KAnggara/DevOps/test/bun@feature-bunTest
+        with:
+          path: action_test/bun
+
+      - run: |
+          cd action_test/bun
+          rm .env
+      - name: Default with Version
+        uses: KAnggara/DevOps/test/bun@feature-bunTest
+        with:
+          path: action_test/bun
+          bun_version: 1.2.0
+
+      - run: |
+          cd action_test/bun
+          rm .env
+          rm .env.example
+      - name: Default with Dot Env
+        uses: KAnggara/DevOps/test/bun@feature-bunTest
+        with:
+          path: action_test/bun
+          dot_env: ${{ secrets.BUN_ENV_ACTION_TEST }}
+
+      - uses: KAnggara/DevOps/test/bun@feature-bunTest
+        with:
+          path: action_test/bun
diff --git a/.github/workflows/maventest.yaml b/.github/workflows/maventest.yaml
index 4a5d0d5..4afb17c 100644
--- a/.github/workflows/maventest.yaml
+++ b/.github/workflows/maventest.yaml
@@ -7,7 +7,7 @@ on:
       - feature-mavenTest
     paths:
       - "test/mvn/**"
-      - ".github/workflows/maventest.yaml"
+      - ".github/workflows/mavenTest.yaml"
 
 jobs:
   mavenTest:
diff --git a/action_test/bun/.env.example b/action_test/bun/.env.example
new file mode 100644
index 0000000..07e5ecd
--- /dev/null
+++ b/action_test/bun/.env.example
@@ -0,0 +1,11 @@
+BAGIA=20
+BAGIB=4
+BAGIC=5
+
+TAMBAHA=4
+TAMBAHB=6
+TAMBAHC=10
+
+MODA=22
+MODB=7
+MODC=1
diff --git a/action_test/bun/coverage/lcov.info b/action_test/bun/coverage/lcov.info
index af42d7c..c2742ad 100644
--- a/action_test/bun/coverage/lcov.info
+++ b/action_test/bun/coverage/lcov.info
@@ -1,18 +1,18 @@
 TN:
 SF:src/calc.ts
-FNF:4
-FNH:2
+FNF:6
+FNH:3
 DA:1,11
 DA:2,9
 DA:3,23
-DA:5,0
-DA:6,8
-DA:8,15
-DA:9,16
-DA:10,35
-DA:11,24
-DA:12,1
-DA:13,14
-LF:16
-LH:10
+DA:6,0
+DA:7,8
+DA:10,0
+DA:11,8
+DA:14,9
+DA:15,23
+DA:18,9
+DA:19,16
+LF:22
+LH:9
 end_of_record
diff --git a/action_test/bun/src/calc.ts b/action_test/bun/src/calc.ts
index c9e8005..6269c41 100644
--- a/action_test/bun/src/calc.ts
+++ b/action_test/bun/src/calc.ts
@@ -1,15 +1,21 @@
 export class Calc {
-  static add(a: number, b: number) {
+  static tambah(a: number, b: number) {
     return a + b;
   }
-  static div(a: number, b: number) {
+
+  static kurang(a: number, b: number) {
     return a - b;
   }
-  static sum(...numbers: number[]) {
-    let sum = 0;
-    for (const element of numbers) {
-      sum += element;
-    }
-    return sum;
+
+  static kali(a: number, b: number) {
+    return a * b;
+  }
+
+  static bagi(a: number, b: number) {
+    return a / b;
+  }
+
+  static mod(a: number, b: number) {
+    return a % b;
   }
 }
diff --git a/action_test/bun/test/calc.test.ts b/action_test/bun/test/calc.test.ts
index f695bf1..b82f92a 100644
--- a/action_test/bun/test/calc.test.ts
+++ b/action_test/bun/test/calc.test.ts
@@ -1,11 +1,28 @@
 import { Calc } from "../src/calc";
 import { describe, expect, it } from "bun:test";
 
+const bagia = parseInt(process.env.BAGIA, 0);
+const bagib = parseInt(process.env.BAGIB, 0);
+const bagic = parseInt(process.env.BAGIC, 0);
+
+const tambaha = parseInt(process.env.TAMBAHA, 0);
+const tambahb = parseInt(process.env.TAMBAHB, 0);
+const tambahc = parseInt(process.env.TAMBAHC, 0);
+
+const moda = parseInt(process.env.MODA, 0);
+const modb = parseInt(process.env.MODB, 0);
+const modc = parseInt(process.env.MODC, 0);
+
 describe("Test add", () => {
-  it("Test Sum", () => {
-    expect(Calc.sum(1, 2, 3, 4)).toBe(10);
+  it("Test Add", () => {
+    expect(Calc.tambah(tambaha, tambahb)).toBe(tambahc);
   });
+
+  it("Test Bagi", () => {
+    expect(Calc.bagi(bagia, bagib)).toBe(bagic);
+  });
+
   it("Test Add", () => {
-    expect(Calc.add(4, 6)).toBe(10);
+    expect(Calc.mod(moda, modb)).toBe(modc);
   });
 });
diff --git a/test/bun/action.yaml b/test/bun/action.yaml
new file mode 100644
index 0000000..7cd2f1b
--- /dev/null
+++ b/test/bun/action.yaml
@@ -0,0 +1,28 @@
+name: "Bun Test"
+description: "Test Bun Project"
+
+inputs:
+  path:
+    description: "Path of Bun Project, default ./"
+    required: false
+  bun_version:
+    description: "Bun Version, default latest"
+    required: false
+  dot_env:
+    description: "Bun env Variable, default existing in project"
+    required: false
+
+runs:
+  using: "composite"
+  steps:
+    - name: Bun Setup
+      uses: oven-sh/setup-bun@v2
+      with:
+        bun-version: ${{ inputs.bun_version || 'latest' }}
+
+    - name: Generate application properties and test
+      shell: bash
+      env:
+        DOTENV: ${{ inputs.dot_env }}
+        WORK_DIR: ${{ inputs.path }}
+      run: $GITHUB_ACTION_PATH/buntest.sh
diff --git a/test/bun/buntest.sh b/test/bun/buntest.sh
new file mode 100755
index 0000000..c28d3fd
--- /dev/null
+++ b/test/bun/buntest.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+set -eu
+
+abort() {
+	printf "%s\n" "$@"
+	exit 1
+}
+
+override_config() {
+	if [[ -n "$WORK_DIR" ]]; then
+		cd $WORK_DIR
+	fi
+
+	if [[ -n "$DOTENV" ]]; then
+		if [[ -f .env ]]; then
+			echo "Rewrite .env"
+			printf "%s" "$DOTENV" >.env
+		elif [[ -f .env.example ]]; then
+			echo "Copy .env.example to .env"
+			cp .env.example .env
+		fi
+	elif [[ -f .env ]]; then
+		echo "DOTENV var not exist, keep it as is"
+	elif [[ -f .env.example ]]; then
+		echo "Copy .env.example to .env"
+		cp .env.example .env
+	else
+		echo "DOTENV var not exist, keep it as is"
+	fi
+}
+
+bun_test() {
+	echo "Bun Test"
+	bun -v
+	bun install
+	bun test
+}
+
+main() {
+	override_config
+	bun_test
+}
+
+main || abort "Override config Execute Error!"