loopback-datasource-juggler/test/kvao/keys.suite.js

'use strict';

var helpers = require('./_helpers');
var Promise = require('bluebird');
var should = require('should');

module.exports = function(dataSourceFactory, connectorCapabilities) {
  describe('keys', function() {
    var CacheItem;
    beforeEach(function unpackContext() {
      CacheItem = helpers.givenCacheItem(dataSourceFactory);
    });

    it('returns all keys - Callback API', function(done) {
      helpers.givenKeys(CacheItem, ['key1', 'key2'], function(err) {
        if (err) return done(err);
        CacheItem.keys(function(err, keys) {
          if (err) return done(err);
          keys.sort();
          should(keys).eql(['key1', 'key2']);
          done();
        });
      });
    });

    it('returns all keys - Promise API', function() {
      return helpers.givenKeys(CacheItem, ['key1', 'key2'])
        .then(function() {
          return CacheItem.keys();
        })
        .then(function(keys) {
          keys.sort();
          should(keys).eql(['key1', 'key2']);
        });
    });

    it('returns keys of the given model only', function() {
      var AnotherModel = CacheItem.dataSource.createModel('AnotherModel');
      return helpers.givenKeys(CacheItem, ['key1', 'key2'])
        .then(function() {
          return helpers.givenKeys(AnotherModel, ['otherKey1', 'otherKey2']);
        })
        .then(function() {
          return CacheItem.keys();
        })
        .then(function(keys) {
          keys.sort();
          should(keys).eql(['key1', 'key2']);
        });
    });

    it('handles large key set', function() {
      var expectedKeys = [];
      for (var ix = 0; ix < 1000; ix++)
        expectedKeys.push('key-' + ix);

      return helpers.givenKeys(CacheItem, expectedKeys)
        .then(function() {
          return CacheItem.keys();
        })
        .then(function(keys) {
          keys.sort();
          expectedKeys.sort();
          should(keys).eql(expectedKeys);
        });
    });
  });
};