diff --git a/Jenkinsfile.ci b/Jenkinsfile.ci
index 2de7f6a..51612d5 100644
--- a/Jenkinsfile.ci
+++ b/Jenkinsfile.ci
@@ -84,6 +84,7 @@ pipeline {
             mkdir -p "$NPM_CONFIG_CACHE"
             npm install --no-progress --no-audit --prefer-offline
             npm run check
+            npm test
             npm run build
           '''
         }
diff --git a/frontend/.gitignore b/frontend/.gitignore
index 4346d24..0152d07 100644
--- a/frontend/.gitignore
+++ b/frontend/.gitignore
@@ -6,3 +6,4 @@ dist
 *.log
 .svelte-kit
 vite.config.ts.timestamp-*
+TESTS.md
diff --git a/frontend/src/App.test.js b/frontend/src/App.test.js
new file mode 100644
index 0000000..91aa941
--- /dev/null
+++ b/frontend/src/App.test.js
@@ -0,0 +1,127 @@
+/*
+CI/CD Workshop
+Copyright (C) 2025 OpenBokeron
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { render, screen, waitFor } from '@testing-library/svelte';
+import App from './App.svelte';
+
+const mockMenu = {
+    starters: ['Sopa de cocido', 'Ensalada mixta'],
+    mains: ['Pescado al vapor', 'Pollo asado'],
+    garnish: ['Patatas fritas'],
+    desserts: ['Fruta del tiempo', 'Yogur'],
+    notes: ['Pan y bebida incluidos'],
+    menu_price: 5.5,
+    university_deal: {
+        old_price: 4.5,
+        current_price: 5.5,
+        note: 'Gracias al convenio con la Universidad',
+    },
+    alternative: { title: 'Plato alternativo', items: [], price: 5.0 },
+    availability: { last_updated: '12:00' },
+    espetos_tip: 'Hoy toca sardinas',
+};
+
+const mockPrices = {
+    items: [
+        { item: 'cafe', price: 1.2, currency: 'EUR', generated_at: '10:00' },
+        { item: 'tostada', price: 2.0, currency: 'EUR', generated_at: '10:00' },
+    ],
+};
+
+const mockHealth = {
+    status: 'ok',
+    build: 42,
+    commit: 'abc1234def5678',
+    author: 'Test Author',
+    uptime_seconds: 3600,
+};
+
+const mockBuilds = {
+    builds: [
+        {
+            number: 42,
+            status: 'success',
+            finished_at: Date.now(),
+            duration_seconds: 60,
+            commits: [{ commit: 'abc1234', message: 'Fix bug', author: 'Dev' }],
+        },
+    ],
+};
+
+function createMockFetch(url) {
+    if (url.includes('/menu')) {
+        return Promise.resolve({ ok: true, json: () => Promise.resolve(mockMenu) });
+    }
+    if (url.includes('/prices')) {
+        return Promise.resolve({ ok: true, json: () => Promise.resolve(mockPrices) });
+    }
+    if (url.includes('/health')) {
+        return Promise.resolve({ ok: true, json: () => Promise.resolve(mockHealth) });
+    }
+    if (url.includes('/builds')) {
+        return Promise.resolve({ ok: true, json: () => Promise.resolve(mockBuilds) });
+    }
+    return Promise.resolve({ ok: false, status: 404 });
+}
+
+describe('App.svelte', () => {
+    beforeEach(() => {
+        globalThis.fetch = vi.fn(createMockFetch);
+    });
+
+    afterEach(() => {
+        vi.restoreAllMocks();
+    });
+
+    it('renderiza el titulo principal', async () => {
+        render(App);
+
+        await waitFor(() => {
+            expect(screen.getByRole('heading', { level: 1 })).toBeInTheDocument();
+        });
+    });
+
+    it('renderiza la seccion hero con eyebrow', async () => {
+        render(App);
+
+        await waitFor(() => {
+            expect(screen.getByText('Taller CI/CD con Jenkins')).toBeInTheDocument();
+        });
+    });
+
+    it('renderiza los botones de accion', async () => {
+        render(App);
+
+        await waitFor(() => {
+            expect(screen.getByText('Refrescar menú')).toBeInTheDocument();
+            expect(screen.getByText('Recalcular desayunos')).toBeInTheDocument();
+        });
+    });
+
+    it('renderiza la tarjeta de Open Bokeron', async () => {
+        render(App);
+
+        await waitFor(() => {
+            expect(screen.getByText('Open Bokeron')).toBeInTheDocument();
+            expect(
+                screen.getByText('Somos Open Bokeron, la asociación de software libre de la ETSII.')
+            ).toBeInTheDocument();
+        });
+    });
+});
diff --git a/frontend/src/services/api.test.js b/frontend/src/services/api.test.js
new file mode 100644
index 0000000..d5c67b0
--- /dev/null
+++ b/frontend/src/services/api.test.js
@@ -0,0 +1,123 @@
+/*
+CI/CD Workshop
+Copyright (C) 2025 OpenBokeron
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { getMenu, getPrices, getCiStatus, getBuildHistory } from './api';
+
+describe('API services', () => {
+    beforeEach(() => {
+        vi.stubGlobal('fetch', vi.fn());
+    });
+
+    afterEach(() => {
+        vi.unstubAllGlobals();
+    });
+
+    describe('getMenu', () => {
+        it('devuelve datos del menu cuando la API responde correctamente', async () => {
+            const mockMenu = {
+                starters: ['Sopa'],
+                mains: ['Pescado al vapor'],
+                desserts: ['Fruta'],
+            };
+
+            fetch.mockResolvedValueOnce({
+                ok: true,
+                json: () => Promise.resolve(mockMenu),
+            });
+
+            const result = await getMenu();
+
+            expect(fetch).toHaveBeenCalledWith('/taller/api/menu');
+            expect(result).toEqual(mockMenu);
+        });
+
+        it('lanza error cuando la API falla', async () => {
+            fetch.mockResolvedValueOnce({
+                ok: false,
+                status: 500,
+            });
+
+            await expect(getMenu()).rejects.toThrow('Respuesta no valida del servidor');
+        });
+    });
+
+    describe('getPrices', () => {
+        it('devuelve array de items cuando la API responde', async () => {
+            const mockResponse = {
+                items: [
+                    { item: 'cafe', price: 1.2 },
+                    { item: 'tostada', price: 2.0 },
+                ],
+            };
+
+            fetch.mockResolvedValueOnce({
+                ok: true,
+                json: () => Promise.resolve(mockResponse),
+            });
+
+            const result = await getPrices();
+
+            expect(fetch).toHaveBeenCalledWith('/taller/api/prices');
+            expect(result).toEqual(mockResponse.items);
+        });
+
+        it('devuelve array vacio si no hay items', async () => {
+            fetch.mockResolvedValueOnce({
+                ok: true,
+                json: () => Promise.resolve({}),
+            });
+
+            const result = await getPrices();
+
+            expect(result).toEqual([]);
+        });
+    });
+
+    describe('getCiStatus', () => {
+        it('llama al endpoint /health', async () => {
+            const mockHealth = { status: 'ok', build: 42 };
+
+            fetch.mockResolvedValueOnce({
+                ok: true,
+                json: () => Promise.resolve(mockHealth),
+            });
+
+            const result = await getCiStatus();
+
+            expect(fetch).toHaveBeenCalledWith('/taller/api/health');
+            expect(result).toEqual(mockHealth);
+        });
+    });
+
+    describe('getBuildHistory', () => {
+        it('llama al endpoint /builds', async () => {
+            const mockBuilds = { builds: [{ number: 1 }, { number: 2 }] };
+
+            fetch.mockResolvedValueOnce({
+                ok: true,
+                json: () => Promise.resolve(mockBuilds),
+            });
+
+            const result = await getBuildHistory();
+
+            expect(fetch).toHaveBeenCalledWith('/taller/api/builds');
+            expect(result).toEqual(mockBuilds);
+        });
+    });
+});
diff --git a/frontend/src/setupTests.js b/frontend/src/setupTests.js
new file mode 100644
index 0000000..e3b07e8
--- /dev/null
+++ b/frontend/src/setupTests.js
@@ -0,0 +1,19 @@
+/*
+CI/CD Workshop
+Copyright (C) 2025 OpenBokeron
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import '@testing-library/jest-dom';
diff --git a/frontend/src/utils/text.test.js b/frontend/src/utils/text.test.js
new file mode 100644
index 0000000..afe9ee6
--- /dev/null
+++ b/frontend/src/utils/text.test.js
@@ -0,0 +1,38 @@
+/*
+CI/CD Workshop
+Copyright (C) 2025 OpenBokeron
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { describe, it, expect } from 'vitest';
+import { prettify } from './text';
+
+describe('prettify', () => {
+    it('convierte snake_case a Title Case', () => {
+        expect(prettify('hello_world')).toBe('Hello World');
+    });
+
+    it('maneja palabras multiples con underscore', () => {
+        expect(prettify('cafe_con_leche')).toBe('Cafe Con Leche');
+    });
+
+    it('maneja una sola palabra sin underscore', () => {
+        expect(prettify('bocadillo')).toBe('Bocadillo');
+    });
+
+    it('maneja cadena vacia', () => {
+        expect(prettify('')).toBe('');
+    });
+});
diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index d8aba27..aab9f54 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -14,6 +14,7 @@ export default defineConfig(({ mode }) => {
         test: {
             environment: 'jsdom',
             globals: true,
+            setupFiles: ['./src/setupTests.js'],
         },
         server: {
             port: 5173,