243 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			243 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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/* globals PDFJS, expect, it, describe, Promise, combineUrl, waitsFor,
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           isArray, MissingPDFException */
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'use strict';
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describe('api', function() {
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  // TODO run with worker enabled
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  var basicApiUrl = combineUrl(window.location.href, '../pdfs/basicapi.pdf');
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  var basicApiFileLength = 105779; // bytes
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  function waitsForPromiseResolved(promise, successCallback) {
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    var data;
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    promise.then(function(val) {
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      data = val;
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      successCallback(data);
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    },
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    function(error) {
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      // Shouldn't get here.
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      expect(false).toEqual(true);
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    });
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    waitsFor(function() {
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      return data !== undefined;
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    }, 20000);
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  }
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  function waitsForPromiseRejected(promise, failureCallback) {
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    var data;
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    promise.then(function(val) {
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      // Shouldn't get here.
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      expect(false).toEqual(true);
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    },
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    function(error) {
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      data = error;
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      failureCallback(data);
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    });
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    waitsFor(function() {
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      return data !== undefined;
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    }, 20000);
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  }
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  describe('PDFJS', function() {
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    describe('getDocument', function() {
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      it('creates pdf doc from URL', function() {
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        var promise = PDFJS.getDocument(basicApiUrl);
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        waitsForPromiseResolved(promise, function(data) {
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          expect(true).toEqual(true);
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        });
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      });
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      it('creates pdf doc from typed array', function() {
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        var nonBinaryRequest = PDFJS.disableWorker;
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        var request = new XMLHttpRequest();
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        request.open('GET', basicApiUrl, false);
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        if (!nonBinaryRequest) {
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          try {
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            request.responseType = 'arraybuffer';
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            nonBinaryRequest = request.responseType !== 'arraybuffer';
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          } catch (e) {
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            nonBinaryRequest = true;
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          }
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        }
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        if (nonBinaryRequest && request.overrideMimeType) {
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          request.overrideMimeType('text/plain; charset=x-user-defined');
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        }
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        request.send(null);
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        var typedArrayPdf;
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        if (nonBinaryRequest) {
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          var data = Array.prototype.map.call(request.responseText,
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              function (ch) {
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            return ch.charCodeAt(0) & 0xFF;
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          });
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          typedArrayPdf = new Uint8Array(data);
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        } else {
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          typedArrayPdf = new Uint8Array(request.response);
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        }
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        // Sanity check to make sure that we fetched the entire PDF file.
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        expect(typedArrayPdf.length).toEqual(basicApiFileLength);
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        var promise = PDFJS.getDocument(typedArrayPdf);
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        waitsForPromiseResolved(promise, function(data) {
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          expect(true).toEqual(true);
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        });
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      });
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      it('creates pdf doc from non-existent URL', function() {
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        var nonExistentUrl = combineUrl(window.location.href,
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                                        '../pdfs/non-existent.pdf');
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        var promise = PDFJS.getDocument(nonExistentUrl);
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        waitsForPromiseRejected(promise, function(error) {
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          expect(error instanceof MissingPDFException).toEqual(true);
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        });
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      });
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    });
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  });
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  describe('PDFDocument', function() {
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    var promise = PDFJS.getDocument(basicApiUrl);
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    var doc;
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    waitsForPromiseResolved(promise, function(data) {
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      doc = data;
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    });
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    it('gets number of pages', function() {
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      expect(doc.numPages).toEqual(3);
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    });
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    it('gets fingerprint', function() {
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      expect(typeof doc.fingerprint).toEqual('string');
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    });
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    it('gets page', function() {
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      var promise = doc.getPage(1);
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      waitsForPromiseResolved(promise, function(data) {
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        expect(true).toEqual(true);
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      });
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    });
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    it('gets page index', function() {
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      // reference to second page
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      var ref = {num: 17, gen: 0};
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      var promise = doc.getPageIndex(ref);
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      waitsForPromiseResolved(promise, function(pageIndex) {
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        expect(pageIndex).toEqual(1);
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      });
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    });
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    it('gets destinations', function() {
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      var promise = doc.getDestinations();
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      waitsForPromiseResolved(promise, function(data) {
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        expect(data).toEqual({ chapter1: [{ gen: 0, num: 17 }, { name: 'XYZ' },
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                                          0, 841.89, null] });
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      });
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    });
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    it('gets a destination', function() {
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      var promise = doc.getDestination('chapter1');
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      waitsForPromiseResolved(promise, function(data) {
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        expect(data).toEqual([{ gen: 0, num: 17 }, { name: 'XYZ' },
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                              0, 841.89, null]);
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      });
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    });
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    it('gets attachments', function() {
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      var promise = doc.getAttachments();
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      waitsForPromiseResolved(promise, function (data) {
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        expect(data).toEqual(null);
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      });
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    });
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    it('gets javascript', function() {
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      var promise = doc.getJavaScript();
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      waitsForPromiseResolved(promise, function (data) {
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        expect(data).toEqual([]);
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      });
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    });
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    it('gets outline', function() {
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      var promise = doc.getOutline();
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      waitsForPromiseResolved(promise, function(outline) {
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        // Two top level entries.
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        expect(outline.length).toEqual(2);
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        // Make sure some basic attributes are set.
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        expect(outline[1].title).toEqual('Chapter 1');
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        expect(outline[1].items.length).toEqual(1);
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        expect(outline[1].items[0].title).toEqual('Paragraph 1.1');
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      });
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    });
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    it('gets metadata', function() {
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      var promise = doc.getMetadata();
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      waitsForPromiseResolved(promise, function(metadata) {
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        expect(metadata.info['Title']).toEqual('Basic API Test');
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        expect(metadata.metadata.get('dc:title')).toEqual('Basic API Test');
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      });
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    });
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    it('gets data', function() {
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      var promise = doc.getData();
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      waitsForPromiseResolved(promise, function (data) {
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        expect(data instanceof Uint8Array).toEqual(true);
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        expect(data.length).toEqual(basicApiFileLength);
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      });
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    });
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    it('gets filesize in bytes', function() {
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      var promise = doc.getDownloadInfo();
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      waitsForPromiseResolved(promise, function (data) {
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        expect(data.length).toEqual(basicApiFileLength);
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      });
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    });
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    it('gets stats', function() {
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      var promise = doc.getStats();
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      waitsForPromiseResolved(promise, function (stats) {
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        expect(isArray(stats.streamTypes)).toEqual(true);
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        expect(isArray(stats.fontTypes)).toEqual(true);
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      });
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    });
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  });
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  describe('Page', function() {
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    var resolvePromise;
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    var promise = new Promise(function (resolve) {
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      resolvePromise = resolve;
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    });
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    PDFJS.getDocument(basicApiUrl).then(function(doc) {
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      doc.getPage(1).then(function(data) {
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        resolvePromise(data);
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      });
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    });
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    var page;
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    waitsForPromiseResolved(promise, function(data) {
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      page = data;
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    });
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    it('gets page number', function () {
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      expect(page.pageNumber).toEqual(1);
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    });
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    it('gets rotate', function () {
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      expect(page.rotate).toEqual(0);
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    });
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    it('gets ref', function () {
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      expect(page.ref).toEqual({ num: 15, gen: 0 });
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    });
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    it('gets view', function () {
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      expect(page.view).toEqual([0, 0, 595.28, 841.89]);
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    });
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    it('gets viewport', function () {
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      var viewport = page.getViewport(1.5, 90);
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      expect(viewport.viewBox).toEqual(page.view);
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      expect(viewport.scale).toEqual(1.5);
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      expect(viewport.rotation).toEqual(90);
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      expect(viewport.transform).toEqual([0, 1.5, 1.5, 0, 0, 0]);
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      expect(viewport.width).toEqual(1262.835);
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      expect(viewport.height).toEqual(892.92);
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    });
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    it('gets annotations', function () {
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      var promise = page.getAnnotations();
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      waitsForPromiseResolved(promise, function (data) {
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        expect(data.length).toEqual(4);
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      });
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    });
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    it('gets text content', function () {
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      var promise = page.getTextContent();
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      waitsForPromiseResolved(promise, function (data) {
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        expect(!!data.items).toEqual(true);
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        expect(data.items.length).toEqual(7);
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        expect(!!data.styles).toEqual(true);
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      });
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    });
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    it('gets operator list', function() {
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      var promise = page.getOperatorList();
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      waitsForPromiseResolved(promise, function (oplist) {
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        expect(!!oplist.fnArray).toEqual(true);
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        expect(!!oplist.argsArray).toEqual(true);
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        expect(oplist.lastChunk).toEqual(true);
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      });
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    });
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  });
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});
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