74e00ed93c
Given that this shouldn't change after the `pdf.js`/`pdf.worker.js` files have been loaded, it doesn't seems necessary to keep this as a function.
291 lines
11 KiB
JavaScript
291 lines
11 KiB
JavaScript
/* Copyright 2017 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* eslint no-var: error */
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import {
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DOMCanvasFactory, DOMSVGFactory, getFilenameFromUrl, isValidFetchUrl,
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PDFDateString
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} from '../../src/display/display_utils';
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import { isNodeJS } from '../../src/shared/is_node';
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describe('display_utils', function() {
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describe('DOMCanvasFactory', function() {
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let canvasFactory;
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beforeAll(function(done) {
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canvasFactory = new DOMCanvasFactory();
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done();
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});
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afterAll(function() {
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canvasFactory = null;
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});
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it('`create` should throw an error if the dimensions are invalid',
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function() {
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// Invalid width.
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expect(function() {
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return canvasFactory.create(-1, 1);
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}).toThrow(new Error('Invalid canvas size'));
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// Invalid height.
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expect(function() {
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return canvasFactory.create(1, -1);
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}).toThrow(new Error('Invalid canvas size'));
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});
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it('`create` should return a canvas if the dimensions are valid',
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function() {
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if (isNodeJS) {
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pending('Document is not supported in Node.js.');
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}
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const { canvas, context, } = canvasFactory.create(20, 40);
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expect(canvas instanceof HTMLCanvasElement).toBe(true);
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expect(context instanceof CanvasRenderingContext2D).toBe(true);
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expect(canvas.width).toBe(20);
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expect(canvas.height).toBe(40);
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});
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it('`reset` should throw an error if no canvas is provided', function() {
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const canvasAndContext = { canvas: null, context: null, };
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expect(function() {
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return canvasFactory.reset(canvasAndContext, 20, 40);
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}).toThrow(new Error('Canvas is not specified'));
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});
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it('`reset` should throw an error if the dimensions are invalid',
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function() {
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const canvasAndContext = { canvas: 'foo', context: 'bar', };
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// Invalid width.
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expect(function() {
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return canvasFactory.reset(canvasAndContext, -1, 1);
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}).toThrow(new Error('Invalid canvas size'));
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// Invalid height.
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expect(function() {
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return canvasFactory.reset(canvasAndContext, 1, -1);
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}).toThrow(new Error('Invalid canvas size'));
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});
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it('`reset` should alter the canvas/context if the dimensions are valid',
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function() {
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if (isNodeJS) {
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pending('Document is not supported in Node.js.');
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}
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const canvasAndContext = canvasFactory.create(20, 40);
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canvasFactory.reset(canvasAndContext, 60, 80);
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const { canvas, context, } = canvasAndContext;
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expect(canvas instanceof HTMLCanvasElement).toBe(true);
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expect(context instanceof CanvasRenderingContext2D).toBe(true);
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expect(canvas.width).toBe(60);
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expect(canvas.height).toBe(80);
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});
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it('`destroy` should throw an error if no canvas is provided', function() {
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expect(function() {
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return canvasFactory.destroy({});
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}).toThrow(new Error('Canvas is not specified'));
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});
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it('`destroy` should clear the canvas/context', function() {
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if (isNodeJS) {
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pending('Document is not supported in Node.js.');
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}
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const canvasAndContext = canvasFactory.create(20, 40);
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canvasFactory.destroy(canvasAndContext);
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const { canvas, context, } = canvasAndContext;
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expect(canvas).toBe(null);
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expect(context).toBe(null);
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});
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});
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describe('DOMSVGFactory', function() {
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let svgFactory;
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beforeAll(function(done) {
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svgFactory = new DOMSVGFactory();
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done();
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});
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afterAll(function() {
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svgFactory = null;
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});
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it('`create` should throw an error if the dimensions are invalid',
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function() {
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// Invalid width.
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expect(function() {
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return svgFactory.create(-1, 0);
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}).toThrow(new Error('Invalid SVG dimensions'));
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// Invalid height.
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expect(function() {
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return svgFactory.create(0, -1);
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}).toThrow(new Error('Invalid SVG dimensions'));
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});
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it('`create` should return an SVG element if the dimensions are valid',
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function() {
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if (isNodeJS) {
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pending('Document is not supported in Node.js.');
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}
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const svg = svgFactory.create(20, 40);
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expect(svg instanceof SVGSVGElement).toBe(true);
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expect(svg.getAttribute('version')).toBe('1.1');
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expect(svg.getAttribute('width')).toBe('20px');
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expect(svg.getAttribute('height')).toBe('40px');
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expect(svg.getAttribute('preserveAspectRatio')).toBe('none');
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expect(svg.getAttribute('viewBox')).toBe('0 0 20 40');
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});
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it('`createElement` should throw an error if the type is not a string',
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function() {
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expect(function() {
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return svgFactory.createElement(true);
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}).toThrow(new Error('Invalid SVG element type'));
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});
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it('`createElement` should return an SVG element if the type is valid',
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function() {
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if (isNodeJS) {
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pending('Document is not supported in Node.js.');
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}
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const svg = svgFactory.createElement('svg:rect');
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expect(svg instanceof SVGRectElement).toBe(true);
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});
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});
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describe('getFilenameFromUrl', function() {
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it('should get the filename from an absolute URL', function() {
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const url = 'https://server.org/filename.pdf';
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expect(getFilenameFromUrl(url)).toEqual('filename.pdf');
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});
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it('should get the filename from a relative URL', function() {
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const url = '../../filename.pdf';
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expect(getFilenameFromUrl(url)).toEqual('filename.pdf');
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});
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it('should get the filename from a URL with an anchor', function() {
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const url = 'https://server.org/filename.pdf#foo';
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expect(getFilenameFromUrl(url)).toEqual('filename.pdf');
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});
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it('should get the filename from a URL with query parameters', function() {
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const url = 'https://server.org/filename.pdf?foo=bar';
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expect(getFilenameFromUrl(url)).toEqual('filename.pdf');
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});
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});
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describe('isValidFetchUrl', function() {
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it('handles invalid Fetch URLs', function() {
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expect(isValidFetchUrl(null)).toEqual(false);
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expect(isValidFetchUrl(100)).toEqual(false);
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expect(isValidFetchUrl('foo')).toEqual(false);
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expect(isValidFetchUrl('/foo', 100)).toEqual(false);
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});
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it('handles relative Fetch URLs', function() {
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expect(isValidFetchUrl('/foo', 'file://www.example.com')).toEqual(false);
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expect(isValidFetchUrl('/foo', 'http://www.example.com')).toEqual(true);
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});
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it('handles unsupported Fetch protocols', function() {
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expect(isValidFetchUrl('file://www.example.com')).toEqual(false);
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expect(isValidFetchUrl('ftp://www.example.com')).toEqual(false);
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});
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it('handles supported Fetch protocols', function() {
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expect(isValidFetchUrl('http://www.example.com')).toEqual(true);
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expect(isValidFetchUrl('https://www.example.com')).toEqual(true);
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});
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});
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describe('PDFDateString', function() {
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describe('toDateObject', function() {
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it('converts PDF date strings to JavaScript `Date` objects', function() {
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const expectations = {
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undefined: null,
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null: null,
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42: null,
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'2019': null,
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'D2019': null,
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'D:': null,
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'D:201': null,
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'D:2019': new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
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'D:20190': new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
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'D:201900': new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
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'D:201913': new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
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'D:201902': new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
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'D:2019020': new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
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'D:20190200': new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
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'D:20190232': new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
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'D:20190203': new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
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// Invalid dates like the 31th of April are handled by JavaScript:
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'D:20190431': new Date(Date.UTC(2019, 4, 1, 0, 0, 0)),
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'D:201902030': new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
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'D:2019020300': new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
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'D:2019020324': new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
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'D:2019020304': new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
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'D:20190203040': new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
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'D:201902030400': new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
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'D:201902030460': new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
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'D:201902030405': new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
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'D:2019020304050': new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
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'D:20190203040500': new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
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'D:20190203040560': new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
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'D:20190203040506': new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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'D:20190203040506F': new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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'D:20190203040506Z': new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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'D:20190203040506-': new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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'D:20190203040506+': new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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'D:20190203040506+\'': new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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'D:20190203040506+0': new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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'D:20190203040506+01': new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
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'D:20190203040506+00\'': new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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'D:20190203040506+24\'': new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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'D:20190203040506+01\'': new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
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'D:20190203040506+01\'0': new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
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'D:20190203040506+01\'00': new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
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'D:20190203040506+01\'60': new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
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'D:20190203040506+0102': new Date(Date.UTC(2019, 1, 3, 3, 3, 6)),
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'D:20190203040506+01\'02': new Date(Date.UTC(2019, 1, 3, 3, 3, 6)),
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'D:20190203040506+01\'02\'': new Date(Date.UTC(2019, 1, 3, 3, 3, 6)),
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// Offset hour and minute that result in a day change:
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'D:20190203040506+05\'07': new Date(Date.UTC(2019, 1, 2, 22, 58, 6)),
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};
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for (const [input, expectation] of Object.entries(expectations)) {
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const result = PDFDateString.toDateObject(input);
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if (result) {
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expect(result.getTime()).toEqual(expectation.getTime());
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} else {
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expect(result).toEqual(expectation);
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}
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}
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});
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});
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});
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});
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