mirror of
https://github.com/microsoft/playwright.git
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197 lines
5.8 KiB
JavaScript
Executable File
197 lines
5.8 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/**
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* Copyright 2017 Google Inc. All rights reserved.
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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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const assert = require('assert');
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const https = require('https');
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const util = require('util');
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const URL = require('url');
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const SUPPORTER_PLATFORMS = ['linux', 'mac', 'win64'];
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const colors = {
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reset: '\x1b[0m',
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red: '\x1b[31m',
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green: '\x1b[32m',
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yellow: '\x1b[33m'
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};
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class Table {
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/**
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* @param {!Array<number>} columnWidths
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*/
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constructor(columnWidths) {
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this.widths = columnWidths;
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}
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/**
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* @param {!Array<string>} values
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*/
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drawRow(values) {
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assert(values.length === this.widths.length);
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let row = '';
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for (let i = 0; i < values.length; ++i)
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row += padCenter(values[i], this.widths[i]);
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console.log(row);
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}
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}
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if (process.argv.length === 2) {
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checkOmahaProxyAvailability();
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return;
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}
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if (process.argv.length !== 4) {
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console.log(`
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Usage: node check_revisions.js [fromRevision] [toRevision]
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This script checks availability of different prebuild chromium revisions.
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Running command without arguments will check against omahaproxy revisions.`);
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return;
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}
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const fromRevision = parseInt(process.argv[2], 10);
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const toRevision = parseInt(process.argv[3], 10);
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checkRangeAvailability(fromRevision, toRevision, false /* stopWhenAllAvailable */);
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async function checkOmahaProxyAvailability() {
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const lastchanged = (await Promise.all([
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fetch('https://storage.googleapis.com/chromium-browser-snapshots/Mac/LAST_CHANGE'),
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fetch('https://storage.googleapis.com/chromium-browser-snapshots/Linux_x64/LAST_CHANGE'),
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fetch('https://storage.googleapis.com/chromium-browser-snapshots/Win/LAST_CHANGE'),
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fetch('https://storage.googleapis.com/chromium-browser-snapshots/Win_x64/LAST_CHANGE'),
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])).map(s => parseInt(s, 10));
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const from = Math.max(...lastchanged);
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checkRangeAvailability(from, 0, true /* stopWhenAllAvailable */);
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}
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/**
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* @param {number} fromRevision
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* @param {number} toRevision
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* @param {boolean} stopWhenAllAvailable
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*/
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async function checkRangeAvailability(fromRevision, toRevision, stopWhenAllAvailable) {
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const table = new Table([15, 7, 7, 7]);
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table.drawRow([''].concat(SUPPORTER_PLATFORMS));
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const inc = fromRevision < toRevision ? 1 : -1;
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for (let revision = fromRevision; revision !== toRevision; revision += inc) {
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const allAvailable = await checkAndDrawRevisionAvailability(table, 'chromium', revision);
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if (allAvailable && stopWhenAllAvailable)
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break;
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}
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}
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async function canDownload(revision, platform) {
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const serverHost = 'https://storage.googleapis.com';
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const urlTemplate = new Map([
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['linux', '%s/chromium-browser-snapshots/Linux_x64/%d/chrome-linux.zip'],
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['mac', '%s/chromium-browser-snapshots/Mac/%d/chrome-mac.zip'],
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['win64', '%s/chromium-browser-snapshots/Win_x64/%d/chrome-win.zip'],
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]).get(platform);
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assert(urlTemplate, `ERROR: Playwright does not support ${platform}`);
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const url = util.format(urlTemplate, serverHost, revision);
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return await headRequest(url);
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}
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/**
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* @param {!Table} table
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* @param {string} name
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* @param {number} revision
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* @return {boolean}
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*/
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async function checkAndDrawRevisionAvailability(table, name, revision) {
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const promises = SUPPORTER_PLATFORMS.map(platform => canDownload(revision, platform));
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const availability = await Promise.all(promises);
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const allAvailable = availability.every(e => !!e);
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const values = [name + ' ' + (allAvailable ? colors.green + revision + colors.reset : revision)];
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for (let i = 0; i < availability.length; ++i) {
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const decoration = availability[i] ? '+' : '-';
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const color = availability[i] ? colors.green : colors.red;
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values.push(color + decoration + colors.reset);
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}
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table.drawRow(values);
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return allAvailable;
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}
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/**
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* @param {string} url
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* @return {!Promise<?string>}
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*/
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function fetch(url) {
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let resolve;
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const promise = new Promise(x => resolve = x);
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https.get(url, response => {
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if (response.statusCode !== 200) {
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resolve(null);
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return;
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}
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let body = '';
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response.on('data', function(chunk){
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body += chunk;
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});
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response.on('end', function(){
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resolve(body);
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});
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}).on('error', function(e){
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console.error('Error fetching json: ' + e);
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resolve(null);
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});
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return promise;
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}
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/**
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* @param {number} size
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* @return {string}
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*/
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function spaceString(size) {
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return new Array(size).fill(' ').join('');
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}
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/**
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* @param {string} text
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* @return {string}
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*/
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function filterOutColors(text) {
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for (const colorName in colors) {
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const color = colors[colorName];
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text = text.replace(color, '');
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}
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return text;
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}
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/**
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* @param {string} text
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* @param {number} length
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* @return {string}
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*/
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function padCenter(text, length) {
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const printableCharacters = filterOutColors(text);
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if (printableCharacters.length >= length)
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return text;
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const left = Math.floor((length - printableCharacters.length) / 2);
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const right = Math.ceil((length - printableCharacters.length) / 2);
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return spaceString(left) + text + spaceString(right);
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}
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async function headRequest(url) {
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return new Promise(resolve => {
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let options = URL.parse(url);
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options.method = 'HEAD';
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const request = https.request(options, res => resolve(res.statusCode === 200));
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request.on('error', error => resolve(false));
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request.end();
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});
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}
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