diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..f2c549b
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,46 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main  # or the branch you want to trigger the workflow on
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'  # Specify the Node.js version you want to use
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run tests
+        run: npm run test
+
+      - name: Build project
+        run: npm run build
+
+      - name: Deploy to Netlify
+        uses: nwtgck/actions-netlify@v1.2
+        with:
+          publish-dir: ./build
+          production-branch: main
+          deploy-message: Deploy from GitHub Actions
+          enable-pull-request-comment: true
+          enable-commit-comment: true
+          overwrites-pull-request-comment: true
+        env:
+          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
+          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
+        timeout-minutes: 1
+
diff --git a/package.json b/package.json
index a7c5979..21137f2 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,8 @@
     "test:ui": "vitest --ui",
     "lint": "eslint src --max-warnings=0",
     "typecheck": "tsc --project tsconfig.json --noEmit",
-    "prepare": "husky install"
+    "prepare": "husky install",
+    "prebuild": "npm run test"
   },
   "dependencies": {
     "@emotion/react": "^11.11.4",
diff --git a/src/components/test.tsx b/src/components/test.tsx
deleted file mode 100644
index e1bbd3f..0000000
--- a/src/components/test.tsx
+++ /dev/null
@@ -1,32 +0,0 @@
-import { render, screen } from '@testing-library/react'
-
-import App from './App'
-
-describe('<App />', () => {
-  it('should render the App', () => {
-    const { container } = render(<App />)
-
-    expect(
-      screen.getByRole('heading', {
-        name: /Welcome!/i,
-        level: 1
-      })
-    ).toBeInTheDocument()
-
-    expect(
-      screen.getByText(
-        /This is a boilerplate build with Vite, React 18, TypeScript, Vitest, Testing Library, TailwindCSS 3, Eslint and Prettier./i
-      )
-    ).toBeInTheDocument()
-
-    expect(
-      screen.getByRole('link', {
-        name: /start building for free/i
-      })
-    ).toBeInTheDocument()
-
-    expect(screen.getByRole('img')).toBeInTheDocument()
-
-    expect(container.firstChild).toBeInTheDocument()
-  })
-})
diff --git a/src/hooks/index.ts b/src/hooks/index.ts
index cc9ab3f..1929925 100644
--- a/src/hooks/index.ts
+++ b/src/hooks/index.ts
@@ -1,4 +1,4 @@
-export {default as useDebounce} from "./useDebounce";
-export {default as useTimeout} from "./useTimeout";
-export {default as usePrevious} from "./usePrevious";
-export {default as useUpdateEffect} from "./useUpdateEffect";
+export { default as useDebounce } from './useDebounce';
+export { default as useTimeout } from './useTimeout';
+export { default as usePrevious } from './usePrevious';
+export { default as useUpdateEffect } from './useUpdateEffect';
diff --git a/src/pages/string/split/index.tsx b/src/pages/string/split/index.tsx
index 9e11ded..e75d697 100644
--- a/src/pages/string/split/index.tsx
+++ b/src/pages/string/split/index.tsx
@@ -9,10 +9,9 @@ import ToolTextResult from '../../../components/result/ToolTextResult';
 import { Field, Formik, FormikProps, useFormikContext } from 'formik';
 import * as Yup from 'yup';
 import ToolOptions from '../../../components/ToolOptions';
-import { splitIntoChunks, splitTextByLength } from './service';
+import { compute, SplitOperatorType } from './service';
 import { CustomSnackBarContext } from '../../../contexts/CustomSnackBarContext';
 
-type SplitOperatorType = 'symbol' | 'regex' | 'length' | 'chunks';
 const initialValues = {
   splitSeparatorType: 'symbol' as SplitOperatorType,
   symbolValue: ' ',
@@ -160,24 +159,20 @@ export default function SplitText() {
           regexValue,
           lengthValue
         } = values;
-        let splitText;
-        switch (splitSeparatorType) {
-          case 'symbol':
-            splitText = input.split(symbolValue);
-            break;
-          case 'regex':
-            splitText = input.split(new RegExp(regexValue));
-            break;
-          case 'length':
-            splitText = splitTextByLength(input, Number(lengthValue));
-            break;
-          case 'chunks':
-            splitText = splitIntoChunks(input, Number(chunksValue)).map(
-              (chunk) => `${charBeforeChunk}${chunk}${charAfterChunk}`
-            );
-        }
-        const res = splitText.join(outputSeparator);
-        setResult(res);
+
+        setResult(
+          compute(
+            splitSeparatorType,
+            input,
+            symbolValue,
+            regexValue,
+            Number(lengthValue),
+            Number(chunksValue),
+            charBeforeChunk,
+            charAfterChunk,
+            outputSeparator
+          )
+        );
       } catch (exception: unknown) {
         if (exception instanceof Error)
           showSnackBar(exception.message, 'error');
diff --git a/src/pages/string/split/service.ts b/src/pages/string/split/service.ts
index 5775b79..cea1bdc 100644
--- a/src/pages/string/split/service.ts
+++ b/src/pages/string/split/service.ts
@@ -1,4 +1,6 @@
-export function splitTextByLength(text: string, length: number) {
+export type SplitOperatorType = 'symbol' | 'regex' | 'length' | 'chunks';
+
+function splitTextByLength(text: string, length: number) {
   if (length <= 0) throw new Error('Length must be a positive number');
   const result: string[] = [];
   for (let i = 0; i < text.length; i += length) {
@@ -7,7 +9,7 @@ export function splitTextByLength(text: string, length: number) {
   return result;
 }
 
-export function splitIntoChunks(text: string, numChunks: number) {
+function splitIntoChunks(text: string, numChunks: number) {
   if (numChunks <= 0)
     throw new Error('Number of chunks must be a positive number');
   const totalLength = text.length;
@@ -31,3 +33,33 @@ export function splitIntoChunks(text: string, numChunks: number) {
 
   return result;
 }
+
+export function compute(
+  splitSeparatorType: SplitOperatorType,
+  input: string,
+  symbolValue: string,
+  regexValue: string,
+  lengthValue: number,
+  chunksValue: number,
+  charBeforeChunk: string,
+  charAfterChunk: string,
+  outputSeparator: string
+) {
+  let splitText;
+  switch (splitSeparatorType) {
+    case 'symbol':
+      splitText = input.split(symbolValue);
+      break;
+    case 'regex':
+      splitText = input.split(new RegExp(regexValue));
+      break;
+    case 'length':
+      splitText = splitTextByLength(input, lengthValue);
+      break;
+    case 'chunks':
+      splitText = splitIntoChunks(input, chunksValue).map(
+        (chunk) => `${charBeforeChunk}${chunk}${charAfterChunk}`
+      );
+  }
+  return splitText.join(outputSeparator);
+}
diff --git a/src/pages/string/split/string-split.test.ts b/src/pages/string/split/string-split.test.ts
new file mode 100644
index 0000000..4917cdc
--- /dev/null
+++ b/src/pages/string/split/string-split.test.ts
@@ -0,0 +1,72 @@
+import { describe, it, expect } from 'vitest';
+import { compute } from './service';
+
+describe('compute function', () => {
+  it('should split by symbol', () => {
+    const result = compute('symbol', 'hello world', ' ', '', 0, 0, '', '', ',');
+    expect(result).toBe('hello,world');
+  });
+
+  it('should split by regex', () => {
+    const result = compute(
+      'regex',
+      'hello1world2again',
+      '',
+      '\\d',
+      0,
+      0,
+      '',
+      '',
+      ','
+    );
+    expect(result).toBe('hello,world,again');
+  });
+
+  it('should split by length', () => {
+    const result = compute('length', 'helloworld', '', '', 3, 0, '', '', ',');
+    expect(result).toBe('hel,low,orl,d');
+  });
+
+  it('should split into chunks', () => {
+    const result = compute(
+      'chunks',
+      'helloworldagain',
+      '',
+      '',
+      0,
+      3,
+      '[',
+      ']',
+      ','
+    );
+    expect(result).toBe('[hello],[world],[again]');
+  });
+
+  it('should handle empty input', () => {
+    const result = compute('symbol', '', ' ', '', 0, 0, '', '', ',');
+    expect(result).toBe('');
+  });
+
+  it('should handle length greater than text length', () => {
+    const result = compute('length', 'hi', '', '', 5, 0, '', '', ',');
+    expect(result).toBe('hi');
+  });
+
+  it('should handle chunks greater than text length', () => {
+    expect(() => {
+      compute('chunks', 'hi', '', '', 0, 5, '', '', ',');
+    }).toThrow('Text length must be at least as long as the number of chunks');
+  });
+
+  it('should handle invalid length', () => {
+    expect(() => {
+      compute('length', 'hello', '', '', -1, 0, '', '', ',');
+    }).toThrow('Length must be a positive number');
+  });
+
+  it('should handle invalid chunks', () => {
+    expect(() => {
+      compute('chunks', 'hello', '', '', 0, 0, '', '', ',');
+    }).toThrow('Number of chunks must be a positive number');
+  });
+});
diff --git a/vite.config.ts b/vite.config.ts
index 38502f8..0597438 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -1,7 +1,7 @@
 /// <reference types="vitest" />
-import { defineConfig } from 'vite'
-import react from '@vitejs/plugin-react-swc'
-import tsconfigPaths from 'vite-tsconfig-paths'
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react-swc';
+import tsconfigPaths from 'vite-tsconfig-paths';
 
 // https://vitejs.dev/config https://vitest.dev/config
 export default defineConfig({
@@ -10,6 +10,6 @@ export default defineConfig({
     globals: true,
     environment: 'happy-dom',
     setupFiles: '.vitest/setup',
-    include: ['**/test.{ts,tsx}']
+    include: ['**/*.test.{ts,tsx}']
   }
-})
+});