tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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subset-tests.js (2035B)

      1 (function() {
      2  var subTestStart = 0;
      3  var subTestEnd = Infinity;
      4  var match;
      5  if (location.search) {
      6    match = /(?:^\?|&)(\d+)-(\d+|last)(?:&|$)/.exec(location.search);
      7    if (match) {
      8      subTestStart = parseInt(match[1], 10);
      9      if (match[2] !== "last") {
     10          subTestEnd = parseInt(match[2], 10);
     11      }
     12    }
     13    // Below is utility code to generate <meta> for copy/paste into tests.
     14    // Sample usage:
     15    // test.html?split=1000
     16    match = /(?:^\?|&)split=(\d+)(?:&|$)/.exec(location.search);
     17    if (match) {
     18      var testsPerVariant = parseInt(match[1], 10);
     19      add_completion_callback(tests => {
     20        var total = tests.length;
     21        var template = '<meta name="variant" content="?%s-%s">';
     22        var metas = [];
     23        for (var i = 1; i < total - testsPerVariant; i = i + testsPerVariant) {
     24          metas.push(template.replace("%s", i).replace("%s", i + testsPerVariant - 1));
     25        }
     26        metas.push(template.replace("%s", i).replace("%s", "last"));
     27        var pre = document.createElement('pre');
     28        pre.textContent = metas.join('\n');
     29        document.body.insertBefore(pre, document.body.firstChild);
     30        document.getSelection().selectAllChildren(pre);
     31      });
     32    }
     33  }
     34  /**
     35   * Check if `currentSubTest` is in the subset specified in the URL.
     36   * @param {number} currentSubTest
     37   * @returns {boolean}
     38   */
     39  function shouldRunSubTest(currentSubTest) {
     40    return currentSubTest >= subTestStart && currentSubTest <= subTestEnd;
     41  }
     42  var currentSubTest = 0;
     43  /**
     44   * Only test a subset of tests with, e.g., `?1-10` in the URL.
     45   * Can be used together with `<meta name="variant" content="...">`
     46   * Sample usage:
     47   * for (const test of tests) {
     48   *   subsetTest(async_test, test.fn, test.name);
     49   * }
     50   */
     51  function subsetTest(testFunc, ...args) {
     52    currentSubTest++;
     53    if (shouldRunSubTest(currentSubTest)) {
     54      return testFunc(...args);
     55    }
     56    return null;
     57  }
     58  self.shouldRunSubTest = shouldRunSubTest;
     59  self.subsetTest = subsetTest;
     60 })();