diff --git a/web/src/routes/Event.jsx b/web/src/routes/Event.jsx
index 55b4e7e74..cf45f9e62 100644
--- a/web/src/routes/Event.jsx
+++ b/web/src/routes/Event.jsx
@@ -54,7 +54,13 @@ export default function Event({ eventId }) {
       {data.has_clip ? (
         <Fragment>
           <Heading size="sm">Clip</Heading>
-          <video autoPlay className="w-100" src={`${apiHost}/clips/${data.camera}-${eventId}.mp4`} controls />
+          <video
+            aria-label={`Clip for event ${data.id}`}
+            autoPlay
+            className="w-100"
+            src={`${apiHost}/clips/${data.camera}-${eventId}.mp4`}
+            controls
+          />
         </Fragment>
       ) : (
         <p>No clip available</p>
diff --git a/web/src/routes/__tests__/Event.test.jsx b/web/src/routes/__tests__/Event.test.jsx
new file mode 100644
index 000000000..2ffd90be7
--- /dev/null
+++ b/web/src/routes/__tests__/Event.test.jsx
@@ -0,0 +1,76 @@
+import { h } from 'preact';
+import * as Api from '../../api';
+import Event from '../Event';
+import { render, screen } from '@testing-library/preact';
+
+jest.mock('../../api/baseUrl');
+
+describe('Event Route', () => {
+  let useEventMock;
+
+  beforeEach(() => {
+    useEventMock = jest.spyOn(Api, 'useEvent').mockImplementation(() => ({
+      data: mockEvent,
+      status: 'loaded',
+    }));
+    jest.spyOn(Api, 'useApiHost').mockImplementation(() => 'http://localhost:5000');
+  });
+
+  test('shows an ActivityIndicator if not yet loaded', async () => {
+    useEventMock.mockReturnValueOnce(() => ({ status: 'loading' }));
+    render(<Event eventId={mockEvent.id} />);
+    expect(screen.queryByLabelText('Loading…')).toBeInTheDocument();
+  });
+
+  test('shows cameras', async () => {
+    render(<Event eventId={mockEvent.id} />);
+
+    expect(screen.queryByLabelText('Loading…')).not.toBeInTheDocument();
+
+    expect(screen.queryByText('Clip')).toBeInTheDocument();
+    expect(screen.queryByLabelText('Clip for event 1613257326.237365-83cgl2')).toHaveAttribute(
+      'src',
+      'http://localhost:5000/clips/front-1613257326.237365-83cgl2.mp4'
+    );
+    expect(screen.queryByText('Best image')).toBeInTheDocument();
+    expect(screen.queryByText('Thumbnail')).not.toBeInTheDocument();
+    expect(screen.queryByAltText('person at 82.0% confidence')).toHaveAttribute(
+      'src',
+      'http://localhost:5000/clips/front-1613257326.237365-83cgl2.jpg'
+    );
+  });
+
+  test('shows the thumbnail if no snapshot available', async () => {
+    useEventMock.mockReturnValue({ data: { ...mockEvent, has_snapshot: false }, status: 'loaded' });
+    render(<Event eventId={mockEvent.id} />);
+
+    expect(screen.queryByText('Best image')).not.toBeInTheDocument();
+    expect(screen.queryByText('Thumbnail')).toBeInTheDocument();
+    expect(screen.queryByAltText('person at 82.0% confidence')).toHaveAttribute(
+      'src',
+      'data:image/jpeg;base64,/9j/4aa...'
+    );
+  });
+
+  test('does not render a video if there is no clip', async () => {
+    useEventMock.mockReturnValue({ data: { ...mockEvent, has_clip: false }, status: 'loaded' });
+    render(<Event eventId={mockEvent.id} />);
+
+    expect(screen.queryByText('Clip')).not.toBeInTheDocument();
+    expect(screen.queryByLabelText('Clip for event 1613257326.237365-83cgl2')).not.toBeInTheDocument();
+  });
+});
+
+const mockEvent = {
+  camera: 'front',
+  end_time: 1613257337.841237,
+  false_positive: false,
+  has_clip: true,
+  has_snapshot: true,
+  id: '1613257326.237365-83cgl2',
+  label: 'person',
+  start_time: 1613257326.237365,
+  top_score: 0.8203125,
+  zones: ['front_patio'],
+  thumbnail: '/9j/4aa...',
+};