function _getNightwatchTests()

in tasks/fauxton.js [173:223]
34 lines of code
10 McCabe index (conditional complexity)

  function _getNightwatchTests (settings) {
    var testBlacklist = (_.has(settings.nightwatch, 'testBlacklist')) ? settings.nightwatch.testBlacklist : {};
    var addonFolders = [],
        excludeTests = [];

    _.each(settings.deps, function (addon) {
      var addonTestsFolder = 'app/addons/' + addon.name + '/tests/nightwatch';
      if (_.has(addon, 'path')) {
        addonTestsFolder = addon.path + '/tests/nightwatch';
      }

      // if this addon doesn't have any tests, just move along. Nothing to see here.
      if (!fs.existsSync(addonTestsFolder)) {
        return;
      }

      // next up: see if this addon has anything blacklisted
      if (_.has(testBlacklist, addon.name) && _.isArray(testBlacklist[addon.name]) && testBlacklist[addon.name].length > 0) {

        // a '*' means the user wants to blacklist all tests in the addon
        if (_.includes(testBlacklist[addon.name], '*')) {
          return;
        }

        // add the folder to test. Any specific files will be blacklisted separately
        addonFolders.push(addonTestsFolder);

        _.each(fs.readdirSync(addonTestsFolder), function (file) {
          if (_.includes(testBlacklist[addon.name], file)) {
            // the relative path is added to work around an oddity with nightwatch. It evaluates all exclude paths
            // relative to the current src_folder being examined, so we need to return to the root first
            excludeTests.push('../../../../../' + addonTestsFolder + '/' + file);
          }
        });

      } else {

        // add the whole folder
        addonFolders.push(addonTestsFolder);
      }
    });

    var skipTags = process.env.NIGHTWATCH_SKIPTAGS || 'nonpartitioned';
    var skipTagsJSON = JSON.stringify(skipTags.split(',').map(s => s.trim()));

    return {
      addonFolders: addonFolders,
      excludeTests: excludeTests,
      skipTags: skipTagsJSON
    };
  }