diff --git a/admin-web/test/helpers.ts b/admin-web/test/helpers.ts
new file mode 100644
index 0000000..a2b1bf7
--- /dev/null
+++ b/admin-web/test/helpers.ts
@@ -0,0 +1,157 @@
+import { createClient } from '@supabase/supabase-js'
+
+const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL
+const supabaseKey = process.env.SUPABASE_SERVICE_ROLE_KEY || process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY
+
+// Create test client with service role for admin access (only if credentials exist)
+export const testSupabase = supabaseUrl && supabaseKey 
+  ? createClient(
+      supabaseUrl,
+      supabaseKey,
+      {
+        auth: {
+          autoRefreshToken: false,
+          persistSession: false,
+        },
+      }
+    )
+  : null
+
+// Test data generators
+export function generateTestTrainer(overrides = {}) {
+  return {
+    name: `Test Trainer ${Date.now()}`,
+    specialty: 'Test Specialty',
+    color: '#FF6B35',
+    ...overrides,
+  }
+}
+
+export function generateTestWorkout(overrides = {}) {
+  return {
+    title: `Test Workout ${Date.now()}`,
+    category: 'full-body' as const,
+    level: 'Beginner' as const,
+    duration: 4,
+    calories: 45,
+    rounds: 8,
+    prep_time: 10,
+    work_time: 20,
+    rest_time: 10,
+    equipment: [],
+    music_vibe: 'electronic' as const,
+    exercises: [{ name: 'Test Exercise', duration: 20 }],
+    is_featured: false,
+    ...overrides,
+  }
+}
+
+// Database cleanup helpers
+export async function cleanupTestData() {
+  if (!testSupabase) {
+    console.warn('⚠️  No test database configured, skipping cleanup')
+    return
+  }
+
+  // Delete test workouts (with timestamps to avoid deleting real data)
+  const { error: workoutsError } = await testSupabase
+    .from('workouts')
+    .delete()
+    .ilike('title', 'Test Workout%')
+
+  if (workoutsError) {
+    console.error('Failed to cleanup test workouts:', workoutsError)
+  }
+
+  // Delete test trainers
+  const { error: trainersError } = await testSupabase
+    .from('trainers')
+    .delete()
+    .ilike('name', 'Test Trainer%')
+
+  if (trainersError) {
+    console.error('Failed to cleanup test trainers:', trainersError)
+  }
+
+  // Delete test collections
+  const { error: collectionsError } = await testSupabase
+    .from('collections')
+    .delete()
+    .ilike('title', 'Test Collection%')
+
+  if (collectionsError) {
+    console.error('Failed to cleanup test collections:', collectionsError)
+  }
+}
+
+// Setup test trainer
+export async function createTestTrainer(overrides = {}) {
+  if (!testSupabase) {
+    throw new Error('Test database not configured')
+  }
+
+  const trainer = generateTestTrainer(overrides)
+  const { data, error } = await testSupabase
+    .from('trainers')
+    .insert(trainer)
+    .select()
+    .single()
+
+  if (error) {
+    throw new Error(`Failed to create test trainer: ${error.message}`)
+  }
+
+  return data
+}
+
+// Setup test workout
+export async function createTestWorkout(trainerId: string, overrides = {}) {
+  if (!testSupabase) {
+    throw new Error('Test database not configured')
+  }
+
+  const workout = generateTestWorkout(overrides)
+  const { data, error } = await testSupabase
+    .from('workouts')
+    .insert({ ...workout, trainer_id: trainerId })
+    .select()
+    .single()
+
+  if (error) {
+    throw new Error(`Failed to create test workout: ${error.message}`)
+  }
+
+  return data
+}
+
+// Delete specific workout
+export async function deleteWorkout(id: string) {
+  if (!testSupabase) {
+    throw new Error('Test database not configured')
+  }
+
+  const { error } = await testSupabase
+    .from('workouts')
+    .delete()
+    .eq('id', id)
+
+  if (error) {
+    throw new Error(`Failed to delete workout: ${error.message}`)
+  }
+}
+
+// Delete specific trainer
+export async function deleteTrainer(id: string) {
+  if (!testSupabase) {
+    throw new Error('Test database not configured')
+  }
+
+  const { error } = await testSupabase
+    .from('trainers')
+    .delete()
+    .eq('id', id)
+
+  if (error) {
+    throw new Error(`Failed to delete trainer: ${error.message}`)
+  }
+}
diff --git a/admin-web/test/setup.ts b/admin-web/test/setup.ts
new file mode 100644
index 0000000..2f79c81
--- /dev/null
+++ b/admin-web/test/setup.ts
@@ -0,0 +1,59 @@
+import '@testing-library/jest-dom'
+import { vi, beforeAll, afterAll, beforeEach } from 'vitest'
+
+// Check if we have test database credentials
+const hasTestDb = process.env.NEXT_PUBLIC_SUPABASE_URL && 
+                  (process.env.SUPABASE_SERVICE_ROLE_KEY || process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY)
+
+// Global test setup
+beforeAll(async () => {
+  if (hasTestDb) {
+    console.log('🧪 Setting up test environment with real database...')
+    const testUrl = process.env.NEXT_PUBLIC_SUPABASE_URL
+    if (!testUrl?.includes('test') && !testUrl?.includes('localhost')) {
+      console.warn('⚠️  WARNING: Not using a test database!')
+      console.warn('Current URL:', testUrl)
+    }
+  } else {
+    console.log('🧪 Running tests with mocked database...')
+  }
+})
+
+beforeEach(async () => {
+  // Cleanup before each test to ensure isolation (only if we have real DB)
+  if (hasTestDb) {
+    try {
+      const { cleanupTestData } = await import('./helpers')
+      await cleanupTestData()
+    } catch (e) {
+      // Silently ignore if helpers not available
+    }
+  }
+})
+
+afterAll(async () => {
+  if (hasTestDb) {
+    console.log('🧹 Cleaning up test environment...')
+    try {
+      const { cleanupTestData } = await import('./helpers')
+      await cleanupTestData()
+    } catch (e) {
+      // Silently ignore if helpers not available
+    }
+  }
+})
+
+// Mock Supabase client for component tests that don't need real DB
+vi.mock('@/lib/supabase', () => ({
+  supabase: {
+    storage: {
+      from: vi.fn(() => ({
+        upload: vi.fn(),
+        remove: vi.fn(),
+        move: vi.fn(),
+        list: vi.fn(),
+        getPublicUrl: vi.fn(() => ({ data: { publicUrl: 'https://example.com/test.jpg' } })),
+      })),
+    },
+  },
+}))
diff --git a/admin-web/vitest.config.ts b/admin-web/vitest.config.ts
new file mode 100644
index 0000000..47d4e2a
--- /dev/null
+++ b/admin-web/vitest.config.ts
@@ -0,0 +1,37 @@
+import { defineConfig } from 'vitest/config'
+import react from '@vitejs/plugin-react'
+import path from 'path'
+
+export default defineConfig({
+  plugins: [react()],
+  test: {
+    environment: 'jsdom',
+    globals: true,
+    setupFiles: ['./test/setup.ts'],
+    include: ['**/*.{test,spec}.{js,mjs,cjs,ts,mts,cts,jsx,tsx}'],
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'json', 'html'],
+      exclude: [
+        'node_modules/',
+        'test/',
+        '**/*.d.ts',
+        '**/*.config.*',
+        '**/mock/**',
+      ],
+      thresholds: {
+        lines: 88,
+        functions: 90,
+        branches: 78,
+        statements: 85,
+      },
+    },
+    testTimeout: 30000,
+    hookTimeout: 30000,
+  },
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, './'),
+    },
+  },
+})