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71 lines
2.0 KiB
TypeScript
71 lines
2.0 KiB
TypeScript
import PdfDocument from './PdfDocument';
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import * as pdfjsLib from 'pdfjs-dist';
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import { readFile } from 'fs';
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import { resolve } from 'path';
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pdfjsLib.GlobalWorkerOptions.workerSrc = require('pdfjs-dist/legacy/build/pdf.worker.entry');
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const pdfFilePath1 = resolve('config/welcome.pdf');
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function loadFile(filePath: string) {
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return new Promise<Uint8Array>((resolve, reject) => {
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readFile(filePath, (err, data) => {
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if (err) {
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reject(err);
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} else {
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resolve(new Uint8Array((data)));
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}
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});
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});
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}
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describe('pdfData', () => {
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test('Should have correct page count', async () => {
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const file = await loadFile(pdfFilePath1);
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const pdf = new PdfDocument(document);
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await pdf.loadDoc(file);
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expect(pdf.pageCount).toBe(1);
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});
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// Disable test because it throws warnings in console
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// https://github.com/mozilla/pdf.js/issues/12443
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// test('Should throw error on invalid file', async () => {
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// const pdf = new PdfDocument(document);
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// await expect(async () => {
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// await pdf.loadDoc('');
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// }).rejects.toThrowError();
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// });
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test('Should get correct page size', async () => {
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const file = await loadFile(pdfFilePath1);
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const pdf = new PdfDocument(document);
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await pdf.loadDoc(file);
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const size = await pdf.getPageSize();
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expect(size.height).toBeCloseTo(841.91998);
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expect(size.width).toBeCloseTo(594.95996);
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});
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test('Should calculate scaled size', async () => {
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const file = await loadFile(pdfFilePath1);
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const pdf = new PdfDocument(document);
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await pdf.loadDoc(file);
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const scaledSize = await pdf.getScaledSize(null, 200);
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expect(scaledSize.scale).toBeCloseTo(0.336157);
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});
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test('Should get correct active page', async () => {
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const file = await loadFile(pdfFilePath1);
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const pdf = new PdfDocument(document);
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await pdf.loadDoc(file);
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const scaledSize = await pdf.getScaledSize(null, 200);
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const activePage = pdf.getActivePageNo(scaledSize, 3, 0);
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expect(activePage).toBe(1);
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const activePage2 = pdf.getActivePageNo(scaledSize, 4, 8000);
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expect(activePage2).toBe(1);
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});
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});
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