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Document.spec.tsx
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Document.spec.tsx
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import { beforeAll, describe, expect, it, vi } from 'vitest';
import { createRef } from 'react';
import { fireEvent, getByTestId, render } from '@testing-library/react';
import { pdfjs } from './index.test.js';
import Document from './Document.js';
import DocumentContext from './DocumentContext.js';
import Page from './Page.js';
import { makeAsyncCallback, loadPDF, muteConsole, restoreConsole } from '../../../test-utils.js';
import type { PDFDocumentProxy } from 'pdfjs-dist';
import type { ScrollPageIntoViewArgs } from './shared/types.js';
const pdfFile = loadPDF('./../../__mocks__/_pdf.pdf');
const pdfFile2 = loadPDF('./../../__mocks__/_pdf2.pdf');
const OK = Symbol('OK');
function ChildInternal({
renderMode,
rotate,
}: {
renderMode?: string | null;
rotate?: number | null;
}) {
return <div data-testid="child" data-rendermode={renderMode} data-rotate={rotate} />;
}
function Child(props: React.ComponentProps<typeof ChildInternal>) {
return (
<DocumentContext.Consumer>
{(context) => <ChildInternal {...context} {...props} />}
</DocumentContext.Consumer>
);
}
async function waitForAsync() {
await new Promise((resolve) => {
setTimeout(resolve, 0);
});
}
describe('Document', () => {
// Object with basic loaded PDF information that shall match after successful loading
const desiredLoadedPdf: Partial<PDFDocumentProxy> = {};
const desiredLoadedPdf2: Partial<PDFDocumentProxy> = {};
beforeAll(async () => {
const pdf = await pdfjs.getDocument({ data: pdfFile.arrayBuffer }).promise;
desiredLoadedPdf._pdfInfo = pdf._pdfInfo;
const pdf2 = await pdfjs.getDocument({ data: pdfFile2.arrayBuffer }).promise;
desiredLoadedPdf2._pdfInfo = pdf2._pdfInfo;
});
describe('loading', () => {
it('loads a file and calls onSourceSuccess and onLoadSuccess callbacks via data URI properly', async () => {
const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
render(
<Document
file={pdfFile.dataURI}
onLoadSuccess={onLoadSuccess}
onSourceSuccess={onSourceSuccess}
/>,
);
expect.assertions(2);
await expect(onSourceSuccessPromise).resolves.toBe(OK);
await expect(onLoadSuccessPromise).resolves.toMatchObject([desiredLoadedPdf]);
});
it('loads a file and calls onSourceSuccess and onLoadSuccess callbacks via data URI properly (param object)', async () => {
const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
render(
<Document
file={{ url: pdfFile.dataURI }}
onLoadSuccess={onLoadSuccess}
onSourceSuccess={onSourceSuccess}
/>,
);
expect.assertions(2);
await expect(onSourceSuccessPromise).resolves.toBe(OK);
await expect(onLoadSuccessPromise).resolves.toMatchObject([desiredLoadedPdf]);
});
// FIXME: In Jest, it used to be worked around as described in https://github.com/facebook/jest/issues/7780
it.skip('loads a file and calls onSourceSuccess and onLoadSuccess callbacks via ArrayBuffer properly', async () => {
const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
render(
<Document
file={pdfFile.arrayBuffer}
onLoadSuccess={onLoadSuccess}
onSourceSuccess={onSourceSuccess}
/>,
);
expect.assertions(2);
await expect(onSourceSuccessPromise).resolves.toBe(OK);
await expect(onLoadSuccessPromise).resolves.toMatchObject([desiredLoadedPdf]);
});
it('loads a file and calls onSourceSuccess and onLoadSuccess callbacks via Blob properly', async () => {
const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
render(
<Document
file={pdfFile.blob}
onLoadSuccess={onLoadSuccess}
onSourceSuccess={onSourceSuccess}
/>,
);
expect.assertions(2);
await expect(onSourceSuccessPromise).resolves.toBe(OK);
await expect(onLoadSuccessPromise).resolves.toMatchObject([desiredLoadedPdf]);
});
it('loads a file and calls onSourceSuccess and onLoadSuccess callbacks via File properly', async () => {
const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
render(
<Document
file={pdfFile.file}
onLoadSuccess={onLoadSuccess}
onSourceSuccess={onSourceSuccess}
/>,
);
expect.assertions(2);
await expect(onSourceSuccessPromise).resolves.toBe(OK);
await expect(onLoadSuccessPromise).resolves.toMatchObject([desiredLoadedPdf]);
});
it('fails to load a file and calls onSourceError given invalid file source', async () => {
const { func: onSourceError, promise: onSourceErrorPromise } = makeAsyncCallback();
muteConsole();
// @ts-expect-error-next-line
render(<Document file={() => null} onSourceError={onSourceError} />);
expect.assertions(1);
const [error] = await onSourceErrorPromise;
expect(error).toMatchObject(expect.any(Error));
restoreConsole();
});
it('replaces a file properly', async () => {
const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
const { rerender } = render(
<Document
file={pdfFile.file}
onLoadSuccess={onLoadSuccess}
onSourceSuccess={onSourceSuccess}
/>,
);
expect.assertions(4);
await expect(onSourceSuccessPromise).resolves.toBe(OK);
await expect(onLoadSuccessPromise).resolves.toMatchObject([desiredLoadedPdf]);
const { func: onSourceSuccess2, promise: onSourceSuccessPromise2 } = makeAsyncCallback(OK);
const { func: onLoadSuccess2, promise: onLoadSuccessPromise2 } = makeAsyncCallback();
rerender(
<Document
file={pdfFile2.file}
onLoadSuccess={onLoadSuccess2}
onSourceSuccess={onSourceSuccess2}
/>,
);
await expect(onSourceSuccessPromise2).resolves.toBe(OK);
await expect(onLoadSuccessPromise2).resolves.toMatchObject([desiredLoadedPdf2]);
});
});
describe('rendering', () => {
it('applies className to its wrapper when given a string', () => {
const className = 'testClassName';
const { container } = render(<Document className={className} />);
const wrapper = container.querySelector('.react-pdf__Document');
expect(wrapper).toHaveClass(className);
});
it('passes container element to inputRef properly', () => {
const inputRef = createRef<HTMLDivElement>();
render(<Document inputRef={inputRef} />);
expect(inputRef.current).toBeInstanceOf(HTMLDivElement);
});
it('renders "No PDF file specified." when given nothing', () => {
const { container } = render(<Document />);
const noData = container.querySelector('.react-pdf__message');
expect(noData).toBeInTheDocument();
expect(noData).toHaveTextContent('No PDF file specified.');
});
it('renders custom no data message when given nothing and noData prop is given', () => {
const { container } = render(<Document noData="Nothing here" />);
const noData = container.querySelector('.react-pdf__message');
expect(noData).toBeInTheDocument();
expect(noData).toHaveTextContent('Nothing here');
});
it('renders custom no data message when given nothing and noData prop is given as a function', () => {
const { container } = render(<Document noData={() => 'Nothing here'} />);
const noData = container.querySelector('.react-pdf__message');
expect(noData).toBeInTheDocument();
expect(noData).toHaveTextContent('Nothing here');
});
it('renders "Loading PDF…" when loading a file', async () => {
const { container, findByText } = render(<Document file={pdfFile.file} />);
const loading = container.querySelector('.react-pdf__message');
expect(loading).toBeInTheDocument();
expect(await findByText('Loading PDF…')).toBeInTheDocument();
});
it('renders custom loading message when loading a file and loading prop is given', async () => {
const { container, findByText } = render(<Document file={pdfFile.file} loading="Loading" />);
const loading = container.querySelector('.react-pdf__message');
expect(loading).toBeInTheDocument();
expect(await findByText('Loading')).toBeInTheDocument();
});
it('renders custom loading message when loading a file and loading prop is given as a function', async () => {
const { container, findByText } = render(
<Document file={pdfFile.file} loading={() => 'Loading'} />,
);
const loading = container.querySelector('.react-pdf__message');
expect(loading).toBeInTheDocument();
expect(await findByText('Loading')).toBeInTheDocument();
});
it('renders "Failed to load PDF file." when failed to load a document', async () => {
const { func: onLoadError, promise: onLoadErrorPromise } = makeAsyncCallback();
const failingPdf = 'data:application/pdf;base64,abcdef';
muteConsole();
const { container, findByText } = render(
<Document file={failingPdf} onLoadError={onLoadError} />,
);
expect.assertions(2);
await onLoadErrorPromise;
await waitForAsync();
const error = container.querySelector('.react-pdf__message');
expect(error).toBeInTheDocument();
expect(await findByText('Failed to load PDF file.')).toBeInTheDocument();
restoreConsole();
});
it('renders custom error message when failed to load a document and error prop is given', async () => {
const { func: onLoadError, promise: onLoadErrorPromise } = makeAsyncCallback();
const failingPdf = 'data:application/pdf;base64,abcdef';
muteConsole();
const { container, findByText } = render(
<Document error="Error" file={failingPdf} onLoadError={onLoadError} />,
);
expect.assertions(2);
await onLoadErrorPromise;
await waitForAsync();
const error = container.querySelector('.react-pdf__message');
expect(error).toBeInTheDocument();
expect(await findByText('Error')).toBeInTheDocument();
restoreConsole();
});
it('renders custom error message when failed to load a document and error prop is given as a function', async () => {
const { func: onLoadError, promise: onLoadErrorPromise } = makeAsyncCallback();
const failingPdf = 'data:application/pdf;base64,abcdef';
muteConsole();
const { container, findByText } = render(
<Document error="Error" file={failingPdf} onLoadError={onLoadError} />,
);
expect.assertions(2);
await onLoadErrorPromise;
await waitForAsync();
const error = container.querySelector('.react-pdf__message');
expect(error).toBeInTheDocument();
expect(await findByText('Error')).toBeInTheDocument();
restoreConsole();
});
it('passes renderMode prop to its children', async () => {
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
const { container } = render(
<Document
file={pdfFile.file}
loading="Loading"
onLoadSuccess={onLoadSuccess}
renderMode="custom"
>
<Child />
</Document>,
);
expect.assertions(1);
await onLoadSuccessPromise;
const child = getByTestId(container, 'child');
expect(child.dataset.rendermode).toBe('custom');
});
it('passes rotate prop to its children', async () => {
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
const { container } = render(
<Document file={pdfFile.file} loading="Loading" onLoadSuccess={onLoadSuccess} rotate={90}>
<Child />
</Document>,
);
expect.assertions(1);
await onLoadSuccessPromise;
const child = getByTestId(container, 'child');
expect(child.dataset.rotate).toBe('90');
});
it('does not overwrite renderMode prop in its children when given renderMode prop to both Document and its children', async () => {
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
const { container } = render(
<Document
file={pdfFile.file}
loading="Loading"
onLoadSuccess={onLoadSuccess}
renderMode="canvas"
>
<Child renderMode="custom" />
</Document>,
);
expect.assertions(1);
await onLoadSuccessPromise;
const child = getByTestId(container, 'child');
expect(child.dataset.rendermode).toBe('custom');
});
it('does not overwrite rotate prop in its children when given rotate prop to both Document and its children', async () => {
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
const { container } = render(
<Document file={pdfFile.file} loading="Loading" onLoadSuccess={onLoadSuccess} rotate={90}>
<Child rotate={180} />
</Document>,
);
expect.assertions(1);
await onLoadSuccessPromise;
const child = getByTestId(container, 'child');
expect(child.dataset.rotate).toBe('180');
});
});
describe('viewer', () => {
it('calls onItemClick if defined', async () => {
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
const onItemClick = vi.fn();
const instance = createRef<{
pages: React.RefObject<Record<string, unknown>[]>;
viewer: React.RefObject<{ scrollPageIntoView: (args: ScrollPageIntoViewArgs) => void }>;
}>();
render(
<Document
file={pdfFile.file}
onItemClick={onItemClick}
onLoadSuccess={onLoadSuccess}
ref={instance}
/>,
);
if (!instance.current) {
throw new Error('Document ref is not set');
}
if (!instance.current.viewer.current) {
throw new Error('Viewer ref is not set');
}
expect.assertions(2);
await onLoadSuccessPromise;
const dest: number[] = [];
const pageIndex = 5;
const pageNumber = 6;
// Simulate clicking on an outline item
instance.current.viewer.current.scrollPageIntoView({ dest, pageIndex, pageNumber });
expect(onItemClick).toHaveBeenCalledTimes(1);
expect(onItemClick).toHaveBeenCalledWith({ dest, pageIndex, pageNumber });
});
it('attempts to find a page and scroll it into view if onItemClick is not given', async () => {
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
const instance = createRef<{
pages: React.RefObject<Record<string, unknown>[]>;
viewer: React.RefObject<{ scrollPageIntoView: (args: ScrollPageIntoViewArgs) => void }>;
}>();
render(<Document file={pdfFile.file} onLoadSuccess={onLoadSuccess} ref={instance} />);
if (!instance.current) {
throw new Error('Document ref is not set');
}
if (!instance.current.pages.current) {
throw new Error('Pages ref is not set');
}
if (!instance.current.viewer.current) {
throw new Error('Viewer ref is not set');
}
expect.assertions(1);
await onLoadSuccessPromise;
const scrollIntoView = vi.fn();
const dest: number[] = [];
const pageIndex = 5;
const pageNumber = 6;
// Register fake page in Document viewer
instance.current.pages.current[pageIndex] = { scrollIntoView };
// Simulate clicking on an outline item
instance.current.viewer.current.scrollPageIntoView({ dest, pageIndex, pageNumber });
expect(scrollIntoView).toHaveBeenCalledTimes(1);
});
});
describe('linkService', () => {
it.each`
externalLinkTarget | target
${null} | ${''}
${'_self'} | ${'_self'}
${'_blank'} | ${'_blank'}
${'_parent'} | ${'_parent'}
${'_top'} | ${'_top'}
`(
'returns externalLinkTarget = $target given externalLinkTarget prop = $externalLinkTarget',
async ({ externalLinkTarget, target }) => {
const {
func: onRenderAnnotationLayerSuccess,
promise: onRenderAnnotationLayerSuccessPromise,
} = makeAsyncCallback();
const { container } = render(
<Document externalLinkTarget={externalLinkTarget} file={pdfFile.file}>
<Page
onRenderAnnotationLayerSuccess={onRenderAnnotationLayerSuccess}
renderMode="none"
pageNumber={1}
/>
</Document>,
);
expect.assertions(1);
await onRenderAnnotationLayerSuccessPromise;
const link = container.querySelector('a') as HTMLAnchorElement;
expect(link.target).toBe(target);
},
);
it.each`
externalLinkRel | rel
${null} | ${'noopener noreferrer nofollow'}
${'noopener'} | ${'noopener'}
${'noreferrer'} | ${'noreferrer'}
${'nofollow'} | ${'nofollow'}
`(
'returns externalLinkRel = $rel given externalLinkRel prop = $externalLinkRel',
async ({ externalLinkRel, rel }) => {
const {
func: onRenderAnnotationLayerSuccess,
promise: onRenderAnnotationLayerSuccessPromise,
} = makeAsyncCallback();
const { container } = render(
<Document externalLinkRel={externalLinkRel} file={pdfFile.file}>
<Page
onRenderAnnotationLayerSuccess={onRenderAnnotationLayerSuccess}
renderMode="none"
pageNumber={1}
/>
</Document>,
);
expect.assertions(1);
await onRenderAnnotationLayerSuccessPromise;
const link = container.querySelector('a') as HTMLAnchorElement;
expect(link.rel).toBe(rel);
},
);
});
it('calls onClick callback when clicked a page (sample of mouse events family)', () => {
const onClick = vi.fn();
const { container } = render(<Document onClick={onClick} />);
const document = container.querySelector('.react-pdf__Document') as HTMLDivElement;
fireEvent.click(document);
expect(onClick).toHaveBeenCalled();
});
it('calls onTouchStart callback when touched a page (sample of touch events family)', () => {
const onTouchStart = vi.fn();
const { container } = render(<Document onTouchStart={onTouchStart} />);
const document = container.querySelector('.react-pdf__Document') as HTMLDivElement;
fireEvent.touchStart(document);
expect(onTouchStart).toHaveBeenCalled();
});
it('does not warn if file prop was memoized', () => {
const spy = vi.spyOn(global.console, 'error').mockImplementation(() => {
// Intentionally empty
});
const file = { data: pdfFile.arrayBuffer };
const { rerender } = render(<Document file={file} />);
rerender(<Document file={file} />);
expect(spy).not.toHaveBeenCalled();
vi.mocked(global.console.error).mockRestore();
});
it('warns if file prop was not memoized', () => {
const spy = vi.spyOn(global.console, 'error').mockImplementation(() => {
// Intentionally empty
});
const { rerender } = render(<Document file={{ data: pdfFile.arrayBuffer }} />);
rerender(<Document file={{ data: pdfFile.arrayBuffer }} />);
expect(spy).toHaveBeenCalledTimes(1);
vi.mocked(global.console.error).mockRestore();
});
it('does not warn if file prop was not memoized, but was changed', () => {
const spy = vi.spyOn(global.console, 'error').mockImplementation(() => {
// Intentionally empty
});
const { rerender } = render(<Document file={{ data: pdfFile.arrayBuffer }} />);
rerender(<Document file={{ data: pdfFile2.arrayBuffer }} />);
expect(spy).not.toHaveBeenCalled();
vi.mocked(global.console.error).mockRestore();
});
it('does not warn if options prop was memoized', () => {
const spy = vi.spyOn(global.console, 'error').mockImplementation(() => {
// Intentionally empty
});
const options = {};
const { rerender } = render(<Document file={pdfFile.blob} options={options} />);
rerender(<Document file={pdfFile.blob} options={options} />);
expect(spy).not.toHaveBeenCalled();
vi.mocked(global.console.error).mockRestore();
});
it('warns if options prop was not memoized', () => {
const spy = vi.spyOn(global.console, 'error').mockImplementation(() => {
// Intentionally empty
});
const { rerender } = render(<Document file={pdfFile.blob} options={{}} />);
rerender(<Document file={pdfFile.blob} options={{}} />);
expect(spy).toHaveBeenCalledTimes(1);
vi.mocked(global.console.error).mockRestore();
});
it('does not warn if options prop was not memoized, but was changed', () => {
const spy = vi.spyOn(global.console, 'error').mockImplementation(() => {
// Intentionally empty
});
const { rerender } = render(<Document file={pdfFile.blob} options={{}} />);
rerender(<Document file={pdfFile.blob} options={{ maxImageSize: 100 }} />);
expect(spy).not.toHaveBeenCalled();
vi.mocked(global.console.error).mockRestore();
});
});