1const isDocker = require('is-docker')();
2
3module.exports = function(config) {
4  // Set the default values to be what are needed when testing the
5  // WebAssembly build locally.
6  let cfg = {
7    // frameworks to use
8    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
9    frameworks: ['jasmine'],
10
11    // list of files / patterns to load in the browser
12    files: [
13      { pattern: 'npm-wasm/bin/pathkit.wasm', included:false, served:true},
14      'perf/perfReporter.js',
15      'npm-wasm/bin/pathkit.js',
16      'tests/pathkitinit.js',
17      'perf/*.bench.js'
18    ],
19
20    proxies: {
21      '/pathkit/': '/base/npm-wasm/bin/'
22    },
23
24    // test results reporter to use
25    // possible values: 'dots', 'progress'
26    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
27    reporters: ['dots'],
28
29    // web server port
30    port: 4444,
31
32    // enable / disable colors in the output (reporters and logs)
33    colors: true,
34
35    // level of logging
36    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
37    logLevel: config.LOG_INFO,
38
39    // enable / disable watching file and executing tests whenever any file changes
40    autoWatch: true,
41
42    browserDisconnectTimeout: 20000,
43    browserNoActivityTimeout: 20000,
44
45    // start these browsers
46    browsers: ['Chrome'],
47
48    // Continuous Integration mode
49    // if true, Karma captures browsers, runs the tests and exits
50    singleRun: false,
51
52    // Concurrency level
53    // how many browser should be started simultaneous
54    concurrency: Infinity,
55  };
56
57  if (isDocker) {
58    // See https://hackernoon.com/running-karma-tests-with-headless-chrome-inside-docker-ae4aceb06ed3
59    cfg.browsers = ['ChromeHeadlessNoSandbox'],
60    cfg.customLaunchers = {
61        ChromeHeadlessNoSandbox: {
62          base: 'ChromeHeadless',
63          flags: [
64            // Without this flag, we see an error:
65            // Failed to move to new namespace: PID namespaces supported, Network namespace supported, but failed: errno = Operation not permitted
66            '--no-sandbox',
67            // may help tests be less flaky
68            // https://peter.sh/experiments/chromium-command-line-switches/#browser-test
69            '--browser-test',
70            // This can also help avoid crashes/timeouts:
71            // https://github.com/GoogleChrome/puppeteer/issues/1834
72            '--disable-dev-shm-usage',
73          ],
74        },
75    };
76  }
77
78  if (process.env.ASM_JS) {
79    console.log('asm.js is under test');
80    cfg.files = [
81      { pattern: 'npm-asmjs/bin/pathkit.js.mem', included:false, served:true},
82      'perf/perfReporter.js',
83      'npm-asmjs/bin/pathkit.js',
84      'tests/pathkitinit.js',
85      'perf/*.bench.js'
86    ];
87
88    cfg.proxies = {
89      '/pathkit/': '/base/npm-asmjs/bin/'
90    };
91  } else {
92    console.log('wasm is under test');
93  }
94
95  config.set(cfg);
96}
97