const path = require('path'); const glob = require('glob'); const chalk = require('chalk'); const webpack = require('webpack'); const argumentsParser = require('commander'); const webpackConfig = require('./webpack.config.js'); const ROOT_PATH = path.resolve(__dirname, '..'); function fatalError(message) { console.error(chalk.red(`\nError: ${message}\n`)); process.exit(1); } // disable problematic options webpackConfig.entry = undefined; webpackConfig.mode = 'development'; webpackConfig.optimization.runtimeChunk = false; webpackConfig.optimization.splitChunks = false; // use quicker sourcemap option webpackConfig.devtool = 'cheap-inline-source-map'; const specFilters = argumentsParser .option( '-f, --filter-spec [filter]', 'Filter run spec files by path. Multiple filters are like a logical OR.', (filter, memo) => { memo.push(filter, filter.replace(/\/?$/, '/**/*.js')); return memo; }, [] ) .parse(process.argv).filterSpec; if (specFilters.length) { const specsPath = /^(?:\.[\\\/])?spec[\\\/]javascripts[\\\/]/; // resolve filters let filteredSpecFiles = specFilters.map(filter => glob .sync(filter, { root: ROOT_PATH, matchBase: true, }) .filter(path => path.endsWith('spec.js')) ); // flatten filteredSpecFiles = Array.prototype.concat.apply([], filteredSpecFiles); // remove duplicates filteredSpecFiles = [...new Set(filteredSpecFiles)]; if (filteredSpecFiles.length < 1) { fatalError('Your filter did not match any test files.'); } if (!filteredSpecFiles.every(file => specsPath.test(file))) { fatalError('Test files must be located within /spec/javascripts.'); } const newContext = filteredSpecFiles.reduce((context, file) => { const relativePath = file.replace(specsPath, ''); context[file] = `./${relativePath}`; return context; }, {}); webpackConfig.plugins.push( new webpack.ContextReplacementPlugin( /spec[\\\/]javascripts$/, path.join(ROOT_PATH, 'spec/javascripts'), newContext ) ); } // Karma configuration module.exports = function(config) { process.env.TZ = 'Etc/UTC'; const progressReporter = process.env.CI ? 'mocha' : 'progress'; const karmaConfig = { basePath: ROOT_PATH, browsers: ['ChromeHeadlessCustom'], customLaunchers: { ChromeHeadlessCustom: { base: 'ChromeHeadless', displayName: 'Chrome', flags: [ // chrome cannot run in sandboxed mode inside a docker container unless it is run with // escalated kernel privileges (e.g. docker run --cap-add=CAP_SYS_ADMIN) '--no-sandbox', ], }, }, frameworks: ['jasmine'], files: [ { pattern: 'spec/javascripts/test_bundle.js', watched: false }, { pattern: 'spec/javascripts/fixtures/**/*@(.json|.html|.html.raw|.png)', included: false }, ], preprocessors: { 'spec/javascripts/**/*.js': ['webpack', 'sourcemap'], }, reporters: [progressReporter], webpack: webpackConfig, webpackMiddleware: { stats: 'errors-only' }, }; if (process.env.BABEL_ENV === 'coverage' || process.env.NODE_ENV === 'coverage') { karmaConfig.reporters.push('coverage-istanbul'); karmaConfig.coverageIstanbulReporter = { reports: ['html', 'text-summary'], dir: 'coverage-javascript/', subdir: '.', fixWebpackSourcePaths: true, }; karmaConfig.browserNoActivityTimeout = 60000; // 60 seconds } if (process.env.DEBUG) { karmaConfig.logLevel = config.LOG_DEBUG; process.env.CHROME_LOG_FILE = process.env.CHROME_LOG_FILE || 'chrome_debug.log'; } if (process.env.CHROME_LOG_FILE) { karmaConfig.customLaunchers.ChromeHeadlessCustom.flags.push('--enable-logging', '--v=1'); } config.set(karmaConfig); };