private TotalAssets SumDatacenters(TotalAssets accumulator, Task<DataCenter> dc)
        {
            accumulator.Servers += dc.Result.Totals.Servers;
            accumulator.Cpus += dc.Result.Totals.Cpus;
            accumulator.MemoryGB += dc.Result.Totals.MemoryGB;
            accumulator.StorageGB += dc.Result.Totals.StorageGB;
            accumulator.Queue += dc.Result.Totals.Queue;

            return accumulator;
        }
        public void GetAccountTotalAssets_AggregatesAcrossDataCenters()
        {
            var dc1 = new TotalAssets { Servers = 1, Cpus = 1, MemoryGB = 1, StorageGB = 1, Queue = 1 };
            _client.Setup(x => x.GetAsync<DataCenter>(String.Format("datacenters/{0}/{1}?totals=true", AccountAlias, CenterId1), It.IsAny<CancellationToken>()))
                   .Returns(Task.FromResult(new DataCenter{ Totals = dc1 }));

            var dc2 = new TotalAssets { Servers = 2, Cpus = 2, MemoryGB = 2, StorageGB = 2, Queue = 2 };
            _client.Setup(x => x.GetAsync<DataCenter>(String.Format("datacenters/{0}/{1}?totals=true", AccountAlias, CenterId2), It.IsAny<CancellationToken>()))
                   .Returns(Task.FromResult(new DataCenter{ Totals = dc2 }));

            var result =_testObject.GetAccountTotalAssets(new List<string> {CenterId1, CenterId2}, CancellationToken.None).Result;

            Assert.AreEqual(3, result.Servers);
            Assert.AreEqual(3, result.Cpus);
            Assert.AreEqual(3, result.MemoryGB);
            Assert.AreEqual(3, result.StorageGB);
            Assert.AreEqual(3, result.Queue);
        }