it('correctly invalidates cache and fetches', () => {
          const resource = new Resource(schema.users);
          const store = schema.__node.definition.storeMap.getOrCreate('user');
          spy(store, 'invalidate');

          return wait_for_promise(() => resource.status === IStatus.complete)
            .then(() => {
              expect(mock_request_count()).to.equal(1);

              mock_get('/users', dataCollectionUsers);
              resource.invalidate({ foo: 123 });

              expect(store.invalidate.callCount).to.equal(1);
              expect(store.invalidate.getCall(0).args[1]).to.deep.equal({
                foo: 123,
                invoker: resource
              });
              expect(resource.status).to.equal(IStatus.stale);
              expect(resource.timestamp).to.equal(ITimestamp.loading);
              expect(mock_request_count()).to.equal(1);
            })
            .then(delay_for_resource_request(resource))
            .then(() => {
              expect(mock_request_count()).to.equal(2);
              expect(resource.status).to.equal(IStatus.complete);
              expect(resource.timestamp).to.not.equal(ITimestamp.stale);
            });
        });

      it('properly updates collections when mutated', () => {
        mock_get('/users', dataCollectionUsers1);

        const resourceUsers = new Resource(schema.users);
        const mutableUser = new MutableResource(schema.users.user.withParams({
          userId: 1
        }));

        expect(resourceUsers).to.deep.match({
          data: null,
          status: IStatus.stale,
          timestamp: ITimestamp.loading
        });

        return delay_for_resource_request(resourceUsers)()
          .then(() => {
            expect(resourceUsers).to.deep.match({
              data: dataCollectionUsers1,
              status: IStatus.complete,
              timestamp: (val: number) => val > ITimestamp.loading
            });

            mock_put('/users/1', { id: 1, name: 'bob foo' });
            const promiseUpdate = mutableUser.update({ name: 'bob foo' });

            // The `touch` event from our `update` does not affect the collection
            expect(resourceUsers).to.deep.match({
              data: dataCollectionUsers1,
              status: IStatus.complete,
              timestamp: (val: number) => val > ITimestamp.loading
            });

            return promiseUpdate;
          })
          .then(() => {
            // The `update` event from our `update` action should update the collection
            expect(resourceUsers).to.deep.match({
              data: [
                { id: 1, name: 'bob foo' },
                dataElement2
              ],
              status: IStatus.complete,
              timestamp: (val: number) => val > ITimestamp.loading
            });
          });
      });