eventric/build/node/src/context/feature_subscribe_with_aggregate_id.spec.js

Build JavaScript applications with Behaviour-driven Domain Design. Based on DDD, BDD, CQRS and EventSourcing.

describe('Subscribe to event with aggregate id Feature', function() {
  return describe('given we created and initialized some example context including an aggregate', function() {
    var exampleContext;
    exampleContext = null;
    beforeEach(function(done) {
      var Example;
      exampleContext = eventric.context('exampleContext');
      exampleContext.addAggregate('Example', Example = (function() {
        function Example() {}

        return Example;

      })(), exampleContext.defineDomainEvent('ExampleCreated', function() {}), exampleContext.defineDomainEvent('SomethingHappened', function() {}), Example = (function() {
        function Example() {}

        Example.prototype.create = function(callback) {
          this.$emitDomainEvent('ExampleCreated');
          return callback();
        };

        Example.prototype.doSomething = function() {
          return this.$emitDomainEvent('SomethingHappened');
        };

        return Example;

      })());
      exampleContext.addAggregate('Example', Example);
      exampleContext.addCommandHandlers({
        CreateExample: function(params, callback) {
          var exampleId;
          exampleId = null;
          return this.$repository('Example').create().then((function(_this) {
            return function(exampleId) {
              return _this.$repository('Example').save(exampleId);
            };
          })(this)).then(function(exampleId) {
            return callback(null, exampleId);
          });
        },
        DoSomething: function(params, callback) {
          return this.$repository('Example').findById(params.id).then((function(_this) {
            return function(example) {
              example.doSomething();
              return _this.$repository('Example').save(params.id);
            };
          })(this)).then(function() {
            return callback();
          });
        }
      });
      return exampleContext.initialize(function() {
        exampleContext.enableWaitingMode();
        return done();
      });
    });
    return describe('when we subscribe to an event with a specific aggregate id', function() {
      it('should notify the domain event subscriber if the aggregate id matches', function() {
        var handlerFn;
        handlerFn = sandbox.spy();
        return exampleContext.command('CreateExample').then(function(exampleId) {
          exampleContext.subscribeToDomainEventWithAggregateId('SomethingHappened', exampleId, handlerFn);
          return exampleContext.command('DoSomething', {
            id: exampleId
          });
        }).then(function() {
          return expect(handlerFn).to.have.been.called;
        });
      });
      return it('should not notify the domain event subscriber if the aggregate does not match', function() {
        var handlerFn;
        handlerFn = sandbox.spy();
        return exampleContext.command('CreateExample').then(function(exampleId) {
          var anotherId;
          anotherId = exampleId + '12345';
          exampleContext.subscribeToDomainEventWithAggregateId('SomethingHappened', anotherId, handlerFn);
          return exampleContext.command('DoSomething', {
            id: exampleId
          });
        }).then(function() {
          return expect(handlerFn).not.to.have.been.called;
        });
      });
    });
  });
});