Re-factor the PDFDataRangeTransport unit-tests and enable them in Node.js/Travis

There doesn't appear to be any particular reason for only running these unit-tests in browsers, since the `PDFDataRangeTransport` functionality itself should be back-end agnostic.
This commit is contained in:
Jonas Jenwald 2019-02-17 14:38:41 +01:00
parent 507e0a4907
commit a0354494bd

View File

@ -1453,99 +1453,87 @@ describe('api', function() {
}).catch(done.fail);
});
});
describe('PDFDataRangeTransport', function () {
var loadPromise;
function getDocumentData() {
const pdfPath = new URL('../pdfs/tracemonkey.pdf', window.location).href;
if (loadPromise) {
return loadPromise;
}
loadPromise = new Promise(function (resolve, reject) {
var xhr = new XMLHttpRequest(pdfPath);
xhr.open('GET', pdfPath);
xhr.responseType = 'arraybuffer';
xhr.onload = function () {
resolve(new Uint8Array(xhr.response));
};
xhr.onerror = function () {
reject(new Error('PDF is not loaded'));
};
xhr.send();
});
return loadPromise;
}
it('should fetch document info and page using ranges', function (done) {
if (isNodeJS()) {
pending('XMLHttpRequest is not supported in Node.js.');
}
var transport;
var initialDataLength = 4000;
var fetches = 0;
var getDocumentPromise = getDocumentData().then(function (data) {
var initialData = data.subarray(0, initialDataLength);
transport = new PDFDataRangeTransport(data.length, initialData);
transport.requestDataRange = function (begin, end) {
describe('PDFDataRangeTransport', function() {
let dataPromise;
beforeAll(function(done) {
const fileName = 'tracemonkey.pdf';
if (isNodeJS()) {
dataPromise = NodeFileReaderFactory.fetch({
path: TEST_PDFS_PATH.node + fileName,
});
} else {
dataPromise = DOMFileReaderFactory.fetch({
path: TEST_PDFS_PATH.dom + fileName,
});
}
done();
});
afterAll(function() {
dataPromise = null;
});
it('should fetch document info and page using ranges', function(done) {
const initialDataLength = 4000;
let fetches = 0, loadingTask;
dataPromise.then(function(data) {
const initialData = data.subarray(0, initialDataLength);
const transport = new PDFDataRangeTransport(data.length, initialData);
transport.requestDataRange = function(begin, end) {
fetches++;
waitSome(function () {
waitSome(function() {
transport.onDataProgress(4000);
transport.onDataRange(begin, data.subarray(begin, end));
});
};
var loadingTask = getDocument(transport);
loadingTask = getDocument(transport);
return loadingTask.promise;
});
var pdfDocument;
var getPagePromise = getDocumentPromise.then(function (pdfDocument_) {
pdfDocument = pdfDocument_;
var pagePromise = pdfDocument.getPage(10);
return pagePromise;
});
getPagePromise.then(function (page) {
}).then(function(pdfDocument) {
expect(pdfDocument.numPages).toEqual(14);
expect(page.rotate).toEqual(0);
return pdfDocument.getPage(10);
}).then(function(pdfPage) {
expect(pdfPage.rotate).toEqual(0);
expect(fetches).toBeGreaterThan(2);
done();
loadingTask.destroy().then(done);
}).catch(done.fail);
});
it('should fetch document info and page using range and streaming',
function (done) {
if (isNodeJS()) {
pending('XMLHttpRequest is not supported in Node.js.');
}
var transport;
var initialDataLength = 4000;
var fetches = 0;
var getDocumentPromise = getDocumentData().then(function (data) {
var initialData = data.subarray(0, initialDataLength);
transport = new PDFDataRangeTransport(data.length, initialData);
transport.requestDataRange = function (begin, end) {
it('should fetch document info and page using range and streaming',
function(done) {
const initialDataLength = 4000;
let fetches = 0, loadingTask;
dataPromise.then(function(data) {
const initialData = data.subarray(0, initialDataLength);
const transport = new PDFDataRangeTransport(data.length, initialData);
transport.requestDataRange = function(begin, end) {
fetches++;
if (fetches === 1) {
// send rest of the data on first range request.
// Send rest of the data on first range request.
transport.onDataProgressiveRead(data.subarray(initialDataLength));
}
waitSome(function () {
waitSome(function() {
transport.onDataRange(begin, data.subarray(begin, end));
});
};
var loadingTask = getDocument(transport);
loadingTask = getDocument(transport);
return loadingTask.promise;
});
var pdfDocument;
var getPagePromise = getDocumentPromise.then(function (pdfDocument_) {
pdfDocument = pdfDocument_;
var pagePromise = pdfDocument.getPage(10);
return pagePromise;
});
getPagePromise.then(function (page) {
}).then(function(pdfDocument) {
expect(pdfDocument.numPages).toEqual(14);
expect(page.rotate).toEqual(0);
return pdfDocument.getPage(10);
}).then(function(pdfPage) {
expect(pdfPage.rotate).toEqual(0);
expect(fetches).toEqual(1);
done();
waitSome(function() {
loadingTask.destroy().then(done);
});
}).catch(done.fail);
});
});