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140 lines
3.5 KiB
140 lines
3.5 KiB
#!/usr/bin/env node
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/* eslint-disable node/shebang */
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const path = require('path');
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const { promises: fs, constants: fsConstants } = require('fs');
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const yargs = require('yargs/yargs');
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const { hideBin } = require('yargs/helpers');
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const { exitWithError } = require('../../development/lib/exit-with-error');
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const { withFixtures, tinyDelayMs } = require('./helpers');
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async function measurePage() {
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let metrics;
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try {
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await withFixtures({ fixtures: 'imported-account' }, async ({ driver }) => {
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await driver.delay(tinyDelayMs);
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await driver.navigate();
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await driver.findElement('#password');
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await driver.delay(1000);
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const logs = await driver.checkBrowserForLavamoatLogs();
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let logString = '';
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let inObject = false;
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const parsedLogs = [];
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logs.forEach((log) => {
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if (log.indexOf('"version": 1') >= 0) {
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logString += log;
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parsedLogs.push(`{${logString}}`);
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logString = '';
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inObject = false;
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} else if (inObject) {
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logString += log;
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} else if (
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log.search(/"name": ".*app\/scripts\/background.js",/u) >= 0 ||
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log.search(/"name": ".*app\/scripts\/ui.js",/u) >= 0
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) {
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logString += log;
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inObject = true;
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}
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});
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metrics = parsedLogs.map((pl) => JSON.parse(pl));
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});
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} catch (error) {
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// do nothing
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}
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return metrics;
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}
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async function profilePageLoad() {
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const results = await measurePage();
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const metrics = {};
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metrics['background.js'] = results[0];
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metrics['ui.js'] = results[1];
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return metrics;
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}
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async function isWritable(directory) {
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try {
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await fs.access(directory, fsConstants.W_OK);
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return true;
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} catch (error) {
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if (error.code !== 'EACCES') {
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throw error;
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}
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return false;
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}
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}
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async function getFirstParentDirectoryThatExists(directory) {
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let nextDirectory = directory;
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for (;;) {
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try {
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await fs.access(nextDirectory, fsConstants.F_OK);
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return nextDirectory;
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} catch (error) {
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if (error.code !== 'ENOENT') {
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throw error;
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} else if (nextDirectory === path.dirname(nextDirectory)) {
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throw new Error('Failed to find parent directory that exists');
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}
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nextDirectory = path.dirname(nextDirectory);
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}
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}
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}
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async function main() {
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const { argv } = yargs(hideBin(process.argv)).usage(
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'$0 [options]',
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'Run a page load benchmark',
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(_yargs) =>
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_yargs.option('out', {
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description:
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'Output filename. Output printed to STDOUT of this is omitted.',
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type: 'string',
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normalize: true,
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}),
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);
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const { out } = argv;
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let outputDirectory;
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let existingParentDirectory;
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if (out) {
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outputDirectory = path.dirname(out);
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existingParentDirectory = await getFirstParentDirectoryThatExists(
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outputDirectory,
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);
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if (!(await isWritable(existingParentDirectory))) {
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throw new Error('Specified output file directory is not writable');
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}
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}
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const results = await profilePageLoad();
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if (out) {
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if (outputDirectory !== existingParentDirectory) {
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await fs.mkdir(outputDirectory, { recursive: true });
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}
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await fs.writeFile(
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path.join(out, 'background.json'),
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JSON.stringify(results['background.js'], null, 2),
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);
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await fs.writeFile(
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path.join(out, 'ui.json'),
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JSON.stringify(results['ui.js'], null, 2),
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);
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} else {
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console.log(JSON.stringify(results, null, 2));
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}
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}
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main().catch((error) => {
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exitWithError(error);
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});
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