thywill/test/lib/cacheManager.js

A Node.js clustered framework for single page web applications based on asynchronous messaging.

/**
 * @fileOverview
 * Batches for testing CacheManager classes.
 */

var assert = require('assert');
var Thywill = require('thywill');

/**
 * Add CacheManager general tests to the suite.
 */
exports.general = function (suite) {
  suite.addBatch({
    'cacheManager#createCache': {
      topic: function () {
        // Create a cache with room for only two items.
        return suite.thywills[0].cacheManager.createCache('testCache', 2);
      },
      'cache created successfully': function (cache) {
        assert.instanceOf(cache, Thywill.getBaseClass('Cache'));
        suite.cache = cache;
      }
    }
  });
  suite.addBatch({
    'add to cache #1': {
      topic: function () {
        var item = {key: 'key 1', value: 'value 1'};
        suite.cache.set(item.key, item.value);
        return item;
      },
      'added successfully #1': function (item) {
        assert.strictEqual(item.value, suite.cache.get(item.key));
      }
    }
  });
  suite.addBatch({
    'add to cache #2': {
      topic: function () {
        var item = {key: 'key 2', value: 'value 2'};
        suite.cache.set(item.key, item.value);
        return item;
      },
      'added successfully #2': function (item) {
        assert.strictEqual(item.value, suite.cache.get(item.key));
      }
    }
  });
  suite.addBatch({
    'add to cache #3': {
      topic: function () {
        var item = {key: 'key 3', value: 'value 3'};
        suite.cache.set(item.key, item.value);
        return item;
      },
      'added successfully #3': function (item) {
        assert.strictEqual(item.value, suite.cache.get(item.key));
        // The first one should have been kicked out.
        assert.isUndefined(suite.cache.get('key 1'));
      }
    }
  });
  suite.addBatch({
    'remove #2': {
      topic: function () {
        var key = 'key 2';
        suite.cache.clear(key);
        return key;
      },
      'removed successfully': function (key) {
        assert.isUndefined(suite.cache.get(key));
      }
    }
  });
  suite.addBatch({
    'clear all remaining entries': {
      topic: function () {
        suite.cache.clear();
        // Have to return something or it hangs.
        var key = 'key 3';
        return key;
      },
      'cleared successfully': function (key) {
        assert.isUndefined(suite.cache.get(key));
      }
    }
  });
};