Created DomainVisits test

test/visits/DomainVisits.test.tsx

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+import { fireEvent, render, screen } from '@testing-library/react';
+import { MemoryRouter } from 'react-router-dom';
+import { Mock } from 'ts-mockery';
+import { formatISO } from 'date-fns';
+import { DomainVisits as createDomainVisits } from '../../src/visits/DomainVisits';
+import { ReportExporter } from '../../src/common/services/ReportExporter';
+import { MercureBoundProps } from '../../src/mercure/helpers/boundToMercureHub';
+import { DomainVisits } from '../../src/visits/reducers/domainVisits';
+import { Settings } from '../../src/settings/reducers/settings';
+import { SelectedServer } from '../../src/servers/data';
+import { Visit } from '../../src/visits/types';
+
+jest.mock('react-router-dom', () => ({
+  ...jest.requireActual('react-router-dom'),
+  useParams: jest.fn().mockReturnValue({ domain: 'foo.com_DEFAULT' }),
+}));
+
+describe('<DomainVisits />', () => {
+  const exportVisits = jest.fn();
+  const getDomainVisits = jest.fn();
+  const cancelGetDomainVisits = jest.fn();
+  const domainVisits = Mock.of<DomainVisits>({ visits: [Mock.of<Visit>({ date: formatISO(new Date()) })] });
+  const DomainVisits = createDomainVisits(Mock.of<ReportExporter>({ exportVisits }));
+
+  beforeEach(() => render(
+    <MemoryRouter>
+      <DomainVisits
+        {...Mock.of<MercureBoundProps>({ mercureInfo: {} })}
+        getDomainVisits={getDomainVisits}
+        cancelGetDomainVisits={cancelGetDomainVisits}
+        domainVisits={domainVisits}
+        settings={Mock.all<Settings>()}
+        selectedServer={Mock.all<SelectedServer>()}
+      />
+    </MemoryRouter>,
+  ));
+
+  it('wraps visits stats and header', () => {
+    expect(screen.getByRole('heading', { name: '"foo.com" visits' })).toBeInTheDocument();
+    expect(getDomainVisits).toHaveBeenCalledWith('DEFAULT', expect.anything(), expect.anything());
+  });
+
+  it('exports visits when clicking the button', () => {
+    const btn = screen.getByRole('button', { name: 'Export (1)' });
+
+    expect(exportVisits).not.toHaveBeenCalled();
+    expect(btn).toBeInTheDocument();
+
+    fireEvent.click(btn);
+    expect(exportVisits).toHaveBeenCalledWith('domain_foo.com_visits.csv', expect.anything());
+  });
+});