eslint/karma.conf.js

   1 "use strict";
   2 const os = require("os");
   3 const NodePolyfillPlugin = require("node-polyfill-webpack-plugin");
   4
   5 if (os.platform === "linux" && os.arch() === "arm64") {
   6
   7     // For arm64 architecture, install chromium-browser using "apt-get install chromium-browser"
   8     process.env.CHROME_BIN = "/usr/bin/chromium-browser";
   9 } else {
  10     process.env.CHROME_BIN = require("puppeteer").executablePath();
  11 }
  12
  13 module.exports = function(config) {
  14     config.set({
  15
  16         // base path that will be used to resolve all patterns (eg. files, exclude)
  17         basePath: "",
  18
  19         // next three sections allow console.log to work
  20         client: {
  21             captureConsole: true
  22         },
  23
  24         browserConsoleLogOptions: {
  25             terminal: true,
  26             level: "log"
  27         },
  28
  29         /*
  30          * frameworks to use
  31          * available frameworks: https://npmjs.org/browse/keyword/karma-adapter
  32          */
  33         frameworks: ["mocha", "webpack"],
  34
  35
  36         // list of files / patterns to load in the browser
  37         files: [
  38             "tests/lib/linter/linter.js"
  39         ],
  40
  41
  42         // list of files to exclude
  43         exclude: [
  44         ],
  45
  46
  47         /*
  48          * preprocess matching files before serving them to the browser
  49          * available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
  50          */
  51         preprocessors: {
  52             "tests/lib/linter/linter.js": ["webpack"]
  53         },
  54         webpack: {
  55             mode: "none",
  56             plugins: [
  57                 new NodePolyfillPlugin()
  58             ],
  59             resolve: {
  60                 alias: {
  61                     "../../../lib/linter$": "../../../build/eslint.js"
  62                 }
  63             },
  64             stats: "errors-only"
  65         },
  66         webpackMiddleware: {
  67             logLevel: "error"
  68         },
  69
  70
  71         /*
  72          * test results reporter to use
  73          * possible values: "dots", "progress"
  74          * available reporters: https://npmjs.org/browse/keyword/karma-reporter
  75          */
  76         reporters: ["mocha"],
  77
  78         mochaReporter: {
  79             output: "minimal"
  80         },
  81
  82         // web server port
  83         port: 9876,
  84
  85
  86         // enable / disable colors in the output (reporters and logs)
  87         colors: true,
  88
  89
  90         /*
  91          * level of logging
  92          * possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
  93          */
  94         logLevel: config.LOG_INFO,
  95
  96
  97         // enable / disable watching file and executing tests whenever any file changes
  98         autoWatch: false,
  99
 100
 101         /*
 102          * start these browsers
 103          * available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
 104          */
 105         browsers: ["HeadlessChrome"],
 106         customLaunchers: {
 107             HeadlessChrome: {
 108                 base: "ChromeHeadless",
 109                 flags: ["--no-sandbox"]
 110             }
 111         },
 112
 113         /*
 114          * Continuous Integration mode
 115          * if true, Karma captures browsers, runs the tests and exits
 116          */
 117         singleRun: true,
 118
 119         /*
 120          * Concurrency level
 121          * how many browser should be started simultaneous
 122          */
 123         concurrency: Infinity
 124     });
 125 };