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test: drop PDF tests (#2744)

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We fully rely on upstream PDF functionality. Our PDF tests are inferior
to those upstream and inconvenient to write.
This commit is contained in:
Andrey Lushnikov 2018-06-14 16:42:10 -07:00 committed by GitHub
parent 861f070738
commit c430138845
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3 changed files with 1 additions and 101 deletions
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1
package.json
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@ -51,7 +51,6 @@
"esprima": "^4.0.0",
"minimist": "^1.2.0",
"ncp": "^2.0.0",
"pdfjs-dist": "^1.8.595",
"pixelmatch": "^4.0.2",
"pngjs": "^3.3.3",
"text-diff": "^1.0.1",

68
test/page.spec.js
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@ -16,7 +16,7 @@
const fs = require('fs');
const path = require('path');
const utils = require('./utils');
const {waitEvent, getPDFPages, cssPixelsToInches} = require('./utils');
const {waitEvent} = require('./utils');
module.exports.addTests = function({testRunner, expect, puppeteer, DeviceDescriptors, headless}) {
const {describe, xdescribe, fdescribe} = testRunner;
@ -1367,72 +1367,6 @@ module.exports.addTests = function({testRunner, expect, puppeteer, DeviceDescrip
expect(fs.readFileSync(outputFile).byteLength).toBeGreaterThan(0);
fs.unlinkSync(outputFile);
});
it('should default to printing in Letter format', async({page, server}) => {
const pages = await getPDFPages(await page.pdf());
expect(pages.length).toBe(1);
expect(pages[0].width).toBeCloseTo(8.5, 2);
expect(pages[0].height).toBeCloseTo(11, 2);
});
it('should support setting custom format', async({page, server}) => {
const pages = await getPDFPages(await page.pdf({
format: 'a4'
}));
expect(pages.length).toBe(1);
expect(pages[0].width).toBeCloseTo(8.27, 1);
expect(pages[0].height).toBeCloseTo(11.7, 1);
});
it('should support setting paper width and height', async({page, server}) => {
const pages = await getPDFPages(await page.pdf({
width: '10in',
height: '10in',
}));
expect(pages.length).toBe(1);
expect(pages[0].width).toBeCloseTo(10, 2);
expect(pages[0].height).toBeCloseTo(10, 2);
});
it('should print multiple pages', async({page, server}) => {
await page.goto(server.PREFIX + '/grid.html');
// Define width and height in CSS pixels.
const width = 50 * 5 + 1;
const height = 50 * 5 + 1;
const pages = await getPDFPages(await page.pdf({width, height}));
expect(pages.length).toBe(8);
expect(pages[0].width).toBeCloseTo(cssPixelsToInches(width), 2);
expect(pages[0].height).toBeCloseTo(cssPixelsToInches(height), 2);
});
it('should support page ranges', async({page, server}) => {
await page.goto(server.PREFIX + '/grid.html');
// Define width and height in CSS pixels.
const width = 50 * 5 + 1;
const height = 50 * 5 + 1;
const pages = await getPDFPages(await page.pdf({width, height, pageRanges: '1,4-7'}));
expect(pages.length).toBe(5);
});
it('should throw if format is unknown', async({page, server}) => {
let error = null;
try {
await getPDFPages(await page.pdf({
format: 'something'
}));
} catch (e) {
error = e;
}
expect(error).toBeTruthy();
expect(error.message).toContain('Unknown paper format');
});
it('should throw if units are unknown', async({page, server}) => {
let error = null;
try {
await getPDFPages(await page.pdf({
width: '10em',
height: '10em',
}));
} catch (e) {
error = e;
}
expect(error).toBeTruthy();
expect(error.message).toContain('Failed to parse parameter value');
});
});
describe('Page.title', function() {

33
test/utils.js
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@ -81,37 +81,4 @@ const utils = module.exports = {
waitEvent: function(emitter, eventName) {
return new Promise(fulfill => emitter.once(eventName, fulfill));
},
/**
* @param {!Buffer} pdfBuffer
* @return {!Promise<!Array<!Object>>}
*/
getPDFPages: async function(pdfBuffer) {
const PDFJS = require('pdfjs-dist');
PDFJS.disableWorker = true;
const data = new Uint8Array(pdfBuffer);
const doc = await PDFJS.getDocument(data);
const pages = [];
for (let i = 0; i < doc.numPages; ++i) {
const page = await doc.getPage(i + 1);
const viewport = page.getViewport(1);
// Viewport width and height is in PDF points, which is
// 1/72 of an inch.
pages.push({
width: viewport.width / 72,
height: viewport.height / 72,
});
page.cleanup();
}
doc.cleanup();
return pages;
},
/**
* @param {number} px
* @return {number}
*/
cssPixelsToInches: function(px) {
return px / 96;
},
};