'use strict';
  
  var debug = require('debug')('test');
  var extend = require('util')._extend;
  var fs = require('fs');
  var path = require('path');
  
  if (!global.Promise)
    global.Promise = require('bluebird');
  
  module.exports = function(dataSourceFactory, connectorCapabilities) {
    connectorCapabilities = extend({
      // Even when the backend supports millisecond precision,
      // it's better to use intervals at least 10ms long in the tests
      ttlPrecision: 10,
    }, connectorCapabilities);
  
    describe('KeyValue API', function loadAllTestFiles() {
      var testRoot = path.resolve(__dirname, 'kvao');
      var testFiles = fs.readdirSync(testRoot);
      testFiles = testFiles.filter(function(it) {
        return !!require.extensions[path.extname(it).toLowerCase()] &&
          /\.suite\.[^.]+$/.test(it);
      });
  
      for (var ix in testFiles) {
        var name = testFiles[ix];
        var fullPath = path.resolve(testRoot, name);
        debug('Loading test suite %s (%s)', name, fullPath);
        require(fullPath)(dataSourceFactory, connectorCapabilities);
      }
    });
  };