public void EnumerateTransfersCanBeStopped() { var initialJobResponse = Stubs.BuildJobResponse( Stubs.Chunk1(null, false, false), Stubs.Chunk2(null, false, false), Stubs.Chunk3(null, false, false) ); var factory = new Mock <IDs3ClientFactory>(MockBehavior.Strict); factory .Setup(f => f.GetClientForNodeId(It.IsAny <Guid?>())) .Returns(new Mock <IDs3Client>(MockBehavior.Strict).Object); var client = new Mock <IDs3Client>(MockBehavior.Strict); client .Setup(c => c.BuildFactory(It.IsAny <IEnumerable <Node> >())) .Returns(factory.Object); client .Setup(c => c.GetAvailableJobChunks(AvailableChunks(Stubs.JobId))) .Returns(GetAvailableJobChunksResponse.Success( TimeSpan.FromMinutes(5), Stubs.BuildJobResponse(Stubs.Chunk1(Stubs.NodeId1, true, true)) )); var transferItemSource = new ReadTransferItemSource(_ => {}, client.Object, initialJobResponse); var readyToStop = new ManualResetEventSlim(); var task = Task.Run(() => { readyToStop.Wait(); Thread.Sleep(130); transferItemSource.Stop(); }); using (var transfers = transferItemSource.EnumerateAvailableTransfers().GetEnumerator()) { for (int i = 0; i < 2; i++) { Assert.True(transfers.MoveNext()); } readyToStop.Set(); var timer = Stopwatch.StartNew(); Assert.False(transfers.MoveNext()); timer.Stop(); Assert.GreaterOrEqual(timer.Elapsed, TimeSpan.FromMilliseconds(100)); } task.Wait(); }
public void BasicReadTransfer() { var initialJobResponse = Stubs.BuildJobResponse( Stubs.Chunk1(null, false, false), Stubs.Chunk2(null, false, false), Stubs.Chunk3(null, false, false) ); var availableJobResponse = Stubs.BuildJobResponse( Stubs.Chunk1(Stubs.NodeId2, true, true), Stubs.Chunk2(Stubs.NodeId2, true, true), Stubs.Chunk3(Stubs.NodeId1, true, true) ); var node1Client = new Mock <IDs3Client>(MockBehavior.Strict); SetupGetObject(node1Client, "hello", 0L, "ABCDefGHIJ"); SetupGetObject(node1Client, "bar", 35L, "zABCDEFGHIJ"); var node2Client = new Mock <IDs3Client>(MockBehavior.Strict); SetupGetObject(node2Client, "bar", 0L, "0123456789abcde"); SetupGetObject(node2Client, "foo", 10L, "klmnopqrst"); SetupGetObject(node2Client, "foo", 0L, "abcdefghij"); SetupGetObject(node2Client, "bar", 15L, "fghijklmnopqrstuvwxy"); var clientFactory = new Mock <IDs3ClientFactory>(MockBehavior.Strict); clientFactory .Setup(cf => cf.GetClientForNodeId(Stubs.NodeId1)) .Returns(node1Client.Object); clientFactory .Setup(cf => cf.GetClientForNodeId(Stubs.NodeId2)) .Returns(node2Client.Object); var client = new Mock <IDs3Client>(MockBehavior.Strict); client .Setup(c => c.BuildFactory(Stubs.Nodes)) .Returns(clientFactory.Object); client .Setup(c => c.BulkGet(ItIsBulkGetRequest( Stubs.BucketName, ChunkOrdering.None, Stubs.ObjectNames, Enumerable.Empty <Ds3PartialObject>() ))) .Returns(initialJobResponse); client .Setup(c => c.GetAvailableJobChunks(ItIsGetAvailableJobChunksRequest(Stubs.JobId))) .Returns(GetAvailableJobChunksResponse.Success(TimeSpan.FromMinutes(1), availableJobResponse)); var job = new Ds3ClientHelpers(client.Object).StartReadJob( Stubs.BucketName, Stubs.ObjectNames.Select(name => new Ds3Object(name, null)) ); var dataTransfers = new ConcurrentQueue <long>(); var itemsCompleted = new ConcurrentQueue <string>(); job.DataTransferred += dataTransfers.Enqueue; job.ItemCompleted += itemsCompleted.Enqueue; var streams = new ConcurrentDictionary <string, MockStream>(); job.Transfer(key => streams.GetOrAdd(key, k => new MockStream())); node1Client.VerifyAll(); node2Client.VerifyAll(); clientFactory.VerifyAll(); client.VerifyAll(); CollectionAssert.AreEqual( new[] { new { Key = "bar", Value = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJ" }, new { Key = "foo", Value = "abcdefghijklmnopqrst" }, new { Key = "hello", Value = "ABCDefGHIJ" }, }, from item in streams orderby item.Key select new { item.Key, Value = _encoding.GetString(item.Value.Result) } ); CollectionAssert.AreEquivalent(new[] { 15L, 20L, 11L, 10L, 10L, 10L }, dataTransfers); CollectionAssert.AreEquivalent(Stubs.ObjectNames, itemsCompleted); }
public void ReadTransferFailsUponTransferrerException() { var initialJobResponse = Stubs.BuildJobResponse( Stubs.Chunk1(null, false, false), Stubs.Chunk2(null, false, false), Stubs.Chunk3(null, false, false) ); var availableJobResponse = Stubs.BuildJobResponse( Stubs.Chunk2(Stubs.NodeId2, true, true) ); var node2Client = new Mock <IDs3Client>(MockBehavior.Strict); SetupGetObject(node2Client, "foo", 0L, "abcdefghij"); node2Client .Setup(c => c.GetObject(ItIsGetObjectRequest( Stubs.BucketName, "bar", Stubs.JobId, 15L, Enumerable.Empty <Range>() ))) .Throws <NullReferenceException>(); var clientFactory = new Mock <IDs3ClientFactory>(MockBehavior.Strict); clientFactory .Setup(cf => cf.GetClientForNodeId(Stubs.NodeId2)) .Returns(node2Client.Object); var client = new Mock <IDs3Client>(MockBehavior.Strict); client .Setup(c => c.BuildFactory(Stubs.Nodes)) .Returns(clientFactory.Object); client .Setup(c => c.BulkGet(ItIsBulkGetRequest( Stubs.BucketName, ChunkOrdering.None, Stubs.ObjectNames, Enumerable.Empty <Ds3PartialObject>() ))) .Returns(initialJobResponse); client .Setup(c => c.GetAvailableJobChunks(ItIsGetAvailableJobChunksRequest(Stubs.JobId))) .Returns(GetAvailableJobChunksResponse.Success(TimeSpan.FromMinutes(1), availableJobResponse)); var job = new Ds3ClientHelpers(client.Object).StartReadJob( Stubs.BucketName, Stubs.ObjectNames.Select(name => new Ds3Object(name, null)) ); try { job.Transfer(key => new MockStream()); Assert.Fail("Should have thrown an exception."); } catch (AggregateException e) { Assert.IsInstanceOf <NullReferenceException>(e.InnerException); } }
public void PartialReadTransfer() { var partialObjects = new[] { new Ds3PartialObject(Range.ByLength(0L, 4L), "foo"), new Ds3PartialObject(Range.ByLength(6L, 10L), "foo"), new Ds3PartialObject(Range.ByLength(18L, 1L), "foo"), new Ds3PartialObject(Range.ByLength(10L, 26L), "bar"), }; var fullObjects = new[] { "hello" }; var initialJobResponse = Stubs.BuildJobResponse( Stubs.Chunk1(null, false, false), Stubs.Chunk2(null, false, false), Stubs.Chunk3(null, false, false) ); var availableJobResponse = Stubs.BuildJobResponse( Stubs.Chunk1(Stubs.NodeId2, true, true), Stubs.Chunk2(Stubs.NodeId2, true, true), Stubs.Chunk3(Stubs.NodeId1, true, true) ); var node1Client = new Mock <IDs3Client>(MockBehavior.Strict); SetupGetObject(node1Client, "hello", 0L, "ABCDefGHIJ", Range.ByLength(0L, 10L)); SetupGetObject(node1Client, "bar", 35L, "z", Range.ByLength(35L, 1L)); var node2Client = new Mock <IDs3Client>(MockBehavior.Strict); SetupGetObject(node2Client, "bar", 0L, "abcde", Range.ByLength(10L, 5L)); SetupGetObject(node2Client, "foo", 10L, "klmnop!", Range.ByLength(10L, 6L), Range.ByLength(18L, 1L)); SetupGetObject(node2Client, "foo", 0L, "abcdghij", Range.ByLength(0L, 4L), Range.ByLength(6L, 4L)); SetupGetObject(node2Client, "bar", 15L, "fghijklmnopqrstuvwxy", Range.ByLength(15L, 20L)); var clientFactory = new Mock <IDs3ClientFactory>(MockBehavior.Strict); clientFactory .Setup(cf => cf.GetClientForNodeId(Stubs.NodeId1)) .Returns(node1Client.Object); clientFactory .Setup(cf => cf.GetClientForNodeId(Stubs.NodeId2)) .Returns(node2Client.Object); var client = new Mock <IDs3Client>(MockBehavior.Strict); client .Setup(c => c.BuildFactory(Stubs.Nodes)) .Returns(clientFactory.Object); client .Setup(c => c.BulkGet(ItIsBulkGetRequest( Stubs.BucketName, ChunkOrdering.None, fullObjects, partialObjects ))) .Returns(initialJobResponse); client .Setup(c => c.GetAvailableJobChunks(ItIsGetAvailableJobChunksRequest(Stubs.JobId))) .Returns(GetAvailableJobChunksResponse.Success(TimeSpan.FromMinutes(1), availableJobResponse)); var job = new Ds3ClientHelpers(client.Object) .StartPartialReadJob(Stubs.BucketName, fullObjects, partialObjects); CollectionAssert.AreEquivalent( partialObjects.Concat(new[] { new Ds3PartialObject(Range.ByLength(0L, 10L), "hello") }), job.AllItems ); var dataTransfers = new ConcurrentQueue <long>(); var itemsCompleted = new ConcurrentQueue <Ds3PartialObject>(); job.DataTransferred += dataTransfers.Enqueue; job.ItemCompleted += itemsCompleted.Enqueue; var streams = new ConcurrentDictionary <Ds3PartialObject, MockStream>(); job.Transfer(key => streams.GetOrAdd(key, k => new MockStream())); node1Client.VerifyAll(); node2Client.VerifyAll(); clientFactory.VerifyAll(); client.VerifyAll(); var fullObjectPart = new Ds3PartialObject(Range.ByLength(0L, 10L), fullObjects[0]); CollectionAssert.AreEqual( new[] { new { Key = partialObjects[0], Value = "abcd" }, new { Key = partialObjects[1], Value = "ghijklmnop" }, new { Key = partialObjects[2], Value = "!" }, new { Key = partialObjects[3], Value = "abcdefghijklmnopqrstuvwxyz" }, new { Key = fullObjectPart, Value = "ABCDefGHIJ" }, }.OrderBy(it => it.Key).ToArray(), ( from item in streams orderby item.Key select new { item.Key, Value = _encoding.GetString(item.Value.Result) } ).ToArray() ); CollectionAssert.AreEquivalent( new[] { 1L, 1L, 4L, 4L, 5L, 6L, 10L, 20L }, dataTransfers.Sorted().ToArray() ); CollectionAssert.AreEquivalent(partialObjects.Concat(new[] { fullObjectPart }), itemsCompleted); }
public void EnumerateTransfersStreamsNewlyAvailableTransferItems() { var jobResponse1 = Stubs.BuildJobResponse( Stubs.Chunk1(null, false, false), Stubs.Chunk2(null, false, false), Stubs.Chunk3(null, false, false) ); var jobResponse2 = Stubs.BuildJobResponse( Stubs.Chunk2(Stubs.NodeId2, true, true) ); var jobResponse3 = Stubs.BuildJobResponse( Stubs.Chunk2(Stubs.NodeId2, true, true), Stubs.Chunk1(Stubs.NodeId1, true, true) ); var jobResponse4 = Stubs.BuildJobResponse( Stubs.Chunk3(Stubs.NodeId2, true, true) ); var node1Client = new Mock <IDs3Client>(MockBehavior.Strict).Object; var node2Client = new Mock <IDs3Client>(MockBehavior.Strict).Object; var clientFactory = new Mock <IDs3ClientFactory>(MockBehavior.Strict); clientFactory.Setup(cf => cf.GetClientForNodeId(Stubs.NodeId1)).Returns(node1Client); clientFactory.Setup(cf => cf.GetClientForNodeId(Stubs.NodeId2)).Returns(node2Client); var actionSequence = Queue(new { Item = (object)null, Type = "" }); var client = new Mock <IDs3Client>(MockBehavior.Strict); client.Setup(c => c.BuildFactory(Stubs.Nodes)).Returns(clientFactory.Object); var chunkResponses = new[] { GetAvailableJobChunksResponse.RetryAfter(TimeSpan.FromMinutes(5)), GetAvailableJobChunksResponse.Success(TimeSpan.FromMinutes(11), jobResponse2), GetAvailableJobChunksResponse.Success(TimeSpan.FromMinutes(8), jobResponse2), GetAvailableJobChunksResponse.Success(TimeSpan.FromMinutes(11), jobResponse3), GetAvailableJobChunksResponse.Success(TimeSpan.FromMinutes(7), jobResponse3), GetAvailableJobChunksResponse.Success(TimeSpan.FromMinutes(6), jobResponse3), GetAvailableJobChunksResponse.RetryAfter(TimeSpan.FromMinutes(4)), GetAvailableJobChunksResponse.Success(TimeSpan.FromMinutes(11), jobResponse4) }; var chunkResponseQueue = new Queue <GetAvailableJobChunksResponse>(chunkResponses); client .Setup(c => c.GetAvailableJobChunks(AvailableChunks(Stubs.JobId))) .Returns(() => { var r = chunkResponseQueue.Dequeue(); actionSequence.Enqueue(new { Item = (object)r, Type = "Allocated" }); return(r); }); var sleeps = new List <TimeSpan>(); var source = new ReadTransferItemSource(sleeps.Add, client.Object, jobResponse1); var blobs = new[] { new Blob(Range.ByLength(0, 10), "foo"), new Blob(Range.ByLength(15, 20), "bar"), new Blob(Range.ByLength(0, 15), "bar"), new Blob(Range.ByLength(10, 10), "foo"), new Blob(Range.ByLength(0, 10), "hello"), new Blob(Range.ByLength(35, 11), "bar") }; var producerConsumer = new ProducerConsumer(1); var completeBlobsTask = Task.Run(() => { for (int i = 0; i < blobs.Length; i++) { producerConsumer.Read(() => actionSequence.Enqueue(new { Item = (object)blobs[i], Type = "Completed" }) ); source.CompleteBlob(blobs[i]); } }); CollectionAssert.AreEqual( new[] { new TransferItem(node2Client, blobs[0]), new TransferItem(node2Client, blobs[1]), new TransferItem(node1Client, blobs[2]), new TransferItem(node1Client, blobs[3]), new TransferItem(node2Client, blobs[4]), new TransferItem(node2Client, blobs[5]), }, source .EnumerateAvailableTransfers() .Select(ti => { producerConsumer.Write(() => actionSequence.Enqueue(new { Item = (object)ti.Blob, Type = "Returned" }) ); return(ti); }) .ToArray(), new TransferItemSourceHelpers.TransferItemComparer() ); completeBlobsTask.Wait(); var results = actionSequence.ToArray(); CollectionAssert.AreEqual( new[] { new { Item = (object)chunkResponses[0], Type = "Allocated" }, new { Item = (object)chunkResponses[1], Type = "Allocated" }, new { Item = (object)blobs[0], Type = "Returned" }, new { Item = (object)blobs[0], Type = "Completed" }, new { Item = (object)blobs[1], Type = "Returned" }, new { Item = (object)blobs[1], Type = "Completed" }, new { Item = (object)chunkResponses[2], Type = "Allocated" }, new { Item = (object)chunkResponses[3], Type = "Allocated" }, new { Item = (object)blobs[2], Type = "Returned" }, new { Item = (object)blobs[2], Type = "Completed" }, new { Item = (object)blobs[3], Type = "Returned" }, new { Item = (object)blobs[3], Type = "Completed" }, new { Item = (object)chunkResponses[4], Type = "Allocated" }, new { Item = (object)chunkResponses[5], Type = "Allocated" }, new { Item = (object)chunkResponses[6], Type = "Allocated" }, new { Item = (object)chunkResponses[7], Type = "Allocated" }, new { Item = (object)blobs[4], Type = "Returned" }, new { Item = (object)blobs[4], Type = "Completed" }, new { Item = (object)blobs[5], Type = "Returned" }, new { Item = (object)blobs[5], Type = "Completed" }, }, results ); CollectionAssert.AreEqual( new[] { TimeSpan.FromMinutes(5), TimeSpan.FromMinutes(8), TimeSpan.FromMinutes(7), TimeSpan.FromMinutes(6), TimeSpan.FromMinutes(4) }, sleeps ); clientFactory.VerifyAll(); client.VerifyAll(); }