test(web): routes/Cameras

web/src/routes/__tests__/Cameras.test.jsx

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+import { h } from 'preact';
+import * as Api from '../../api';
+import Cameras from '../Cameras';
+import * as CameraImage from '../../components/CameraImage';
+import { render, screen } from '@testing-library/preact';
+
+jest.mock('../../api/baseUrl');
+
+describe('Cameras Route', () => {
+  let useConfigMock;
+
+  beforeEach(() => {
+    useConfigMock = jest.spyOn(Api, 'useConfig').mockImplementation(() => ({
+      data: {
+        cameras: {
+          front: { name: 'front', objects: { track: ['taco', 'cat', 'dog'] } },
+          side: { name: 'side', objects: { track: ['taco', 'cat', 'dog'] } },
+        },
+      },
+      status: 'loaded',
+    }));
+    jest.spyOn(Api, 'useApiHost').mockImplementation(() => 'http://base-url.local:5000');
+    jest.spyOn(CameraImage, 'default').mockImplementation(() => <div data-testid="camera-image" />);
+  });
+
+  test('shows an ActivityIndicator if not yet loaded', async () => {
+    useConfigMock.mockReturnValueOnce(() => ({ status: 'loading' }));
+    render(<Cameras />);
+    expect(screen.queryByLabelText('Loading…')).toBeInTheDocument();
+  });
+
+  test('shows cameras', async () => {
+    render(<Cameras />);
+
+    expect(screen.queryByLabelText('Loading…')).not.toBeInTheDocument();
+
+    expect(screen.queryByText('front')).toBeInTheDocument();
+    expect(screen.queryByText('front').closest('a')).toHaveAttribute('href', '/cameras/front');
+
+    expect(screen.queryByText('side')).toBeInTheDocument();
+    expect(screen.queryByText('side').closest('a')).toHaveAttribute('href', '/cameras/side');
+  });
+});