const path = require("path"); const findChrome = require("chrome-finder"); process.env.CHROME_BIN = findChrome(); module.exports = (config) => { config.set({ logLevel: config.LOG_INFO, webpackMiddleware: { stats: "errors-only", }, frameworks: ["mocha"], browsers: ["LocalChrome"], customLaunchers: { LocalChrome: { base: "ChromeHeadless", flags: ["--disable-translate", "--disable-extensions", "--no-sandbox", "--disable-web-security", "--disable-dev-shm-usage"], }, }, files: [ {pattern: "tests/unit/**/*_test.js", watched: false}, ], // Preprocess through webpack preprocessors: { "tests/unit/**/*_test.js": ["webpack"], }, reporters: ["progress", "html", "coverage-istanbul"], htmlReporter: { outputFile: "tests/unit.html", }, coverageIstanbulReporter: { // reports can be any that are listed here: https://github.com/istanbuljs/istanbuljs/tree/aae256fb8b9a3d19414dcf069c592e88712c32c6/packages/istanbul-reports/lib reports: ["html", "lcovonly", "text-summary"], // base output directory. If you include %browser% in the path it will be replaced with the karma browser name dir: path.join(__dirname, "coverage"), // Combines coverage information from multiple browsers into one report rather than outputting a report // for each browser. combineBrowserReports: true, // if using webpack and pre-loaders, work around webpack breaking the source path fixWebpackSourcePaths: true, // Omit files with no statements, no functions and no branches from the report skipFilesWithNoCoverage: true, // Most reporters accept additional config options. You can pass these through the `report-config` option "report-config": { // all options available at: https://github.com/istanbuljs/istanbuljs/blob/aae256fb8b9a3d19414dcf069c592e88712c32c6/packages/istanbul-reports/lib/html/index.js#L135-L137 html: { // outputs the report in ./coverage/html subdir: "html", }, }, // enforce percentage thresholds // anything under these percentages will cause karma to fail with an exit code of 1 if not running in watch mode thresholds: { emitWarning: true, // set to `true` to not fail the test command when thresholds are not met // thresholds for all files global: { //statements: 90, lines: 90, //branches: 90, //functions: 90, }, // thresholds per file each: { //statements: 90, lines: 90, //branches: 90, //functions: 90, overrides: { "src/common/viewer.js": { lines: 0, functions: 0, }, }, }, }, verbose: false, // output config used by istanbul for debugging }, webpack: { mode: "development", resolve: { modules: [ path.join(__dirname, "src"), path.join(__dirname, "node_modules"), path.join(__dirname, "tests/unit"), ], alias: { vue: "vue/dist/vue.min.js", }, }, module: { rules: [ { test: /\.js$/, loader: "babel-loader", exclude: file => ( /node_modules/.test(file) ), query: { presets: ["@babel/preset-env"], compact: false, }, }, ], }, }, singleRun: true, }); };