const { promises: fs } = require('fs'); const path = require('path'); const yargs = require('yargs/yargs'); const { hideBin } = require('yargs/helpers'); const { runInShell } = require('../../development/lib/run-command'); const { exitWithError } = require('../../development/lib/exit-with-error'); const { retry } = require('../../development/lib/retry'); async function main() { const { argv } = yargs(hideBin(process.argv)) .usage( '$0 [options] ', 'Run a single E2E test, with a variable number of retries.', (_yargs) => _yargs .option('browser', { default: process.env.SELENIUM_BROWSER, description: `Set the browser used; either 'chrome' or 'firefox'.`, type: 'string', choices: ['chrome', 'firefox'], }) .option('debug', { default: process.env.E2E_DEBUG === 'true', description: 'Run tests in debug mode, logging each driver interaction', type: 'boolean', }) .option('retries', { default: 0, description: 'Set how many times the test should be retried upon failure.', type: 'number', }) .option('retry-until-failure', { default: false, description: 'Retries until the test fails', type: 'boolean', }) .option('leave-running', { default: false, description: 'Leaves the browser running after a test fails, along with anything else that the test used (ganache, the test dapp, etc.)', type: 'boolean', }) .positional('e2e-test-path', { describe: 'The path for the E2E test to run.', type: 'string', normalize: true, }), ) .strict() .help('help'); const { browser, debug, e2eTestPath, retries, retryUntilFailure, leaveRunning, } = argv; if (!browser) { exitWithError( `"The browser must be set, via the '--browser' flag or the SELENIUM_BROWSER environment variable`, ); return; } else if (browser !== process.env.SELENIUM_BROWSER) { process.env.SELENIUM_BROWSER = browser; } try { const stat = await fs.stat(e2eTestPath); if (!stat.isFile()) { exitWithError('Test path must be a file'); return; } } catch (error) { if (error.code === 'ENOENT') { exitWithError('Test path specified does not exist'); return; } else if (error.code === 'EACCES') { exitWithError( 'Access to test path is forbidden by file access permissions', ); return; } throw error; } const testFileName = path.basename(e2eTestPath); if (debug) { process.env.E2E_DEBUG = 'true'; } let testTimeoutInMilliseconds = 80 * 1000; let exit = '--exit'; if (leaveRunning) { process.env.E2E_LEAVE_RUNNING = 'true'; testTimeoutInMilliseconds = 0; exit = '--no-exit'; } const configFile = path.join(__dirname, '.mocharc.js'); const extraArgs = process.env.E2E_ARGS?.split(' ') || []; const dir = 'test/test-results/e2e'; fs.mkdir(dir, { recursive: true }); await retry({ retries, retryUntilFailure }, async () => { await runInShell( 'yarn', [ 'mocha', `--config=${configFile}`, `--timeout=${testTimeoutInMilliseconds}`, '--reporter=xunit', ...extraArgs, e2eTestPath, exit, ], `${dir}/${testFileName}.xml`, ); }); } main().catch((error) => { exitWithError(error); });