Files
blockly/tests/generators/webdriver.js
2025-01-06 10:55:57 -08:00

124 lines
3.4 KiB
JavaScript

/**
* @license
* Copyright 2018 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @fileoverview Node.js script to run generator tests in Chrome, via webdriver.
*/
var webdriverio = require('webdriverio');
var fs = require('fs');
var path = require('path');
/**
* Run the generator for a given language and save the results to a file.
* @param {Thenable} browser A Thenable managing the processing of the browser
* tests.
* @param {string} filename Where to write the output file.
* @param {Function} codegenFn The function to run for code generation for this
* language.
*/
async function runLangGeneratorInBrowser(browser, filename, codegenFn) {
await browser.execute(codegenFn);
var elem = await browser.$("#importExport");
var result = await elem.getValue();
fs.writeFileSync(filename, result, function(err) {
if (err) {
return console.log(err);
}
});
}
/**
* Runs the generator tests in Chrome. It uses webdriverio to
* launch Chrome and load index.html. Outputs a summary of the test results
* to the console and outputs files for later validation.
* @param {string} outputDir Output directory.
* @return The Thenable managing the processing of the browser tests.
*/
async function runGeneratorsInBrowser(outputDir) {
var options = {
capabilities: {
browserName: 'chrome',
'goog:chromeOptions': {
args: ['--allow-file-access-from-files'],
},
},
logLevel: 'warn',
};
// Run in headless mode on Github Actions.
if (process.env.CI) {
options.capabilities['goog:chromeOptions'].args.push(
'--headless', '--no-sandbox', '--disable-dev-shm-usage',);
} else {
// --disable-gpu is needed to prevent Chrome from hanging on Linux with
// NVIDIA drivers older than v295.20. See
// https://github.com/google/blockly/issues/5345 for details.
options.capabilities['goog:chromeOptions'].args.push('--disable-gpu');
}
var url = 'file://' + __dirname + '/index.html';
var prefix = path.join(outputDir, 'generated');
console.log('Starting webdriverio...');
const browser = await webdriverio.remote(options);
// Increase the script timeouts to 2 minutes to allow the generators to finish.
await browser.setTimeout({ 'script': 120000 })
console.log('Loading url: ' + url);
await browser.url(url);
await browser
.$('.blocklySvg .blocklyWorkspace > .blocklyBlockCanvas')
.waitForExist({timeout: 2000});
await browser.execute(function() {
checkAll();
return loadSelected();
});
await runLangGeneratorInBrowser(browser, prefix + '.js',
function() {
toJavaScript();
});
await runLangGeneratorInBrowser(browser, prefix + '.py',
function() {
toPython();
});
await runLangGeneratorInBrowser(browser, prefix + '.dart',
function() {
toDart();
});
await runLangGeneratorInBrowser(browser, prefix + '.lua',
function() {
toLua();
});
await runLangGeneratorInBrowser(browser, prefix + '.php',
function() {
toPhp();
});
await browser.deleteSession();
}
if (require.main === module) {
runGeneratorsInBrowser('tests/generators/tmp').catch(e => {
console.error(e);
process.exit(1);
}).then(function(result) {
if (result) {
console.log('Generator tests failed');
process.exit(1);
} else {
console.log('Generator tests passed');
process.exit(0);
}
});
}
module.exports = {runGeneratorsInBrowser};