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Components: Refactor Guide PageControl tests to @testing-library/react #43148

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merged 2 commits into from
Aug 11, 2022
Merged

Components: Refactor Guide PageControl tests to @testing-library/react #43148

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Components: Refactor Guide PageControl tests to @testing-library/react
tyxla Aug 11, 2022
e926868
Use jest's `advanceTimers` when setting up `userEvent`
tyxla Aug 11, 2022
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31 changes: 14 additions & 17 deletions packages/components/src/guide/test/page-control.js
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Original file line number Diff line number Diff line change
@@ -1,12 +1,8 @@
/**
* External dependencies
*/
import { shallow } from 'enzyme';

/**
* WordPress dependencies
*/
import { Button } from '@wordpress/components';
import { render, screen } from '@testing-library/react';
import userEvent from '@testing-library/user-event';

/**
* Internal dependencies
Expand All @@ -15,29 +11,30 @@ import PageControl from '../page-control';

describe( 'PageControl', () => {
it( 'renders an empty list when there are no pages', () => {
const wrapper = shallow(
<PageControl currentPage={ 0 } numberOfPages={ 0 } />
);
expect( wrapper.find( Button ) ).toHaveLength( 0 );
render( <PageControl currentPage={ 0 } numberOfPages={ 0 } /> );
expect( screen.queryByRole( 'button' ) ).not.toBeInTheDocument();
} );

it( 'renders a button for each page', () => {
const wrapper = shallow(
<PageControl currentPage={ 0 } numberOfPages={ 5 } />
);
expect( wrapper.find( Button ) ).toHaveLength( 5 );
render( <PageControl currentPage={ 0 } numberOfPages={ 5 } /> );
expect( screen.getAllByRole( 'button' ) ).toHaveLength( 5 );
} );

it( 'sets the current page when a button is clicked', () => {
it( 'sets the current page when a button is clicked', async () => {
const user = userEvent.setup( {
advanceTimers: jest.advanceTimersByTime,
} );
const setCurrentPage = jest.fn();
const wrapper = shallow(
render(
<PageControl
currentPage={ 0 }
numberOfPages={ 2 }
setCurrentPage={ setCurrentPage }
/>
);
wrapper.find( Button ).at( 1 ).simulate( 'click' );

await user.click( screen.getAllByRole( 'button' )[ 1 ] );

expect( setCurrentPage ).toHaveBeenCalledWith( 1 );
} );
} );