cache-storage/test/node/lib/Storage/Async/MemoryStorage.js

[ABANDONED] Advanced cache storage for node js

// Generated by CoffeeScript 1.6.3
(function() {
  var Cache, MemoryStorage, async, cache, expect, fs, path;

  expect = require('chai').expect;

  path = require('path');

  async = require('async');

  fs = null;

  Cache = require('../../../../../lib/Cache');

  MemoryStorage = require('../../../../../Storage/MemoryAsyncStorage');

  cache = null;

  describe('MemoryAsyncStorage', function() {
    beforeEach(function() {
      fs = Cache.mockFs({
        'temp': {},
        'file': ''
      });
      return cache = new Cache(new MemoryStorage, 'test');
    });
    afterEach(function() {
      return Cache.restoreFs();
    });
    describe('saving/loading', function() {
      it('should save true and load it', function(done) {
        return cache.save('true', true, function() {
          return cache.load('true', function(err, data) {
            expect(data).to.be["true"];
            return done();
          });
        });
      });
      it('should return null if item not exists', function(done) {
        return cache.load('true', function(err, data) {
          expect(data).to.be["null"];
          return done();
        });
      });
      it('should save true and delete it', function(done) {
        return cache.save('true', true, function() {
          return cache.remove('true', function() {
            return cache.load('true', function(err, data) {
              expect(data).to.be["null"];
              return done();
            });
          });
        });
      });
      return it('should save true to cache from fallback function in load', function(done) {
        return cache.load('true', function() {
          return true;
        }, function(err, data) {
          expect(data).to.be["true"];
          return done();
        });
      });
    });
    return describe('expiration', function() {
      it('should expire "true" value after file is changed', function(done) {
        return cache.save('true', true, {
          files: ['/file']
        }, function() {
          return setTimeout(function() {
            return cache.load('true', function(err, data) {
              expect(data).to.be["true"];
              fs.writeFileSync('/file', '');
              return cache.load('true', function(err, data) {
                expect(data).to.be["null"];
                return done();
              });
            });
          }, 100);
        });
      });
      it('should remove all items with tag "article"', function(done) {
        var data;
        data = [['one', null, ['article']], ['two', 'two', ['category']], ['three', null, ['article']]];
        return async.eachSeries(data, function(item, cb) {
          return cache.save(item[0], item[0], {
            tags: item[2]
          }, function() {
            return cb();
          });
        }, function() {
          return cache.clean({
            tags: ['article']
          }, function() {
            return async.eachSeries(data, function(item, cb) {
              return cache.load(item[0], function(err, data) {
                expect(data).to.be.equal(item[1]);
                return cb();
              });
            }, function() {
              return done();
            });
          });
        });
      });
      it('should expire "true" value after 1 second"', function(done) {
        return cache.save('true', true, {
          expire: {
            seconds: 1
          }
        }, function() {
          return setTimeout(function() {
            return cache.load('true', function(err, data) {
              expect(data).to.be["null"];
              return done();
            });
          }, 1100);
        });
      });
      it('should expire "true" value after "first" value expire', function(done) {
        return cache.save('first', 'first', function() {
          return cache.save('true', true, {
            items: ['first']
          }, function() {
            return cache.remove('first', function() {
              return cache.load('true', function(err, data) {
                expect(data).to.be["null"];
                return done();
              });
            });
          });
        });
      });
      it('should expire all items with priority bellow 50', function(done) {
        return cache.save('one', 'one', {
          priority: 100
        }, function() {
          return cache.save('two', 'two', {
            priority: 10
          }, function() {
            return cache.clean({
              priority: 50
            }, function() {
              return cache.load('one', function(err, data) {
                expect(data).to.be.equal('one');
                return cache.load('two', function(err, data) {
                  expect(data).to.be["null"];
                  return done();
                });
              });
            });
          });
        });
      });
      return it('should remove all items from cache', function(done) {
        return cache.save('one', 'one', function() {
          return cache.save('two', 'two', function() {
            return cache.clean('all', function() {
              return cache.load('one', function(err, data) {
                expect(data).to.be["null"];
                return cache.load('two', function(err, data) {
                  expect(data).to.be["null"];
                  return done();
                });
              });
            });
          });
        });
      });
    });
  });

}).call(this);