gistfile1.js

  var test_metrics = function(metrics) {
    if (metrics.type === "counter") {
      test_counter(metrics);
    } else if (metrics.type === "histogram") {
      test_histogram(metrics);
    } else {
      for (var k in metrics) {
        test_metrics(metrics[k]);
      }
    }
  };

  (function() {
    var summary = JSON.parse(CouchDB.request("GET", "/_stats", {
      headers: {"Accept": "application/json"}
    }).responseText);
    T(typeof(summary) === 'object');
    test_metrics(summary);
  })();