Ejemplo n.º 1
0
        public async Task GetCursor()
        {
            // Arrange
            string manifestPath = "idx/segments/2020/03/25/0200/meta.json";

            Mock <BlobContainerClient> containerClient = new Mock <BlobContainerClient>(MockBehavior.Strict);
            Mock <BlobClient>          blobClient      = new Mock <BlobClient>(MockBehavior.Strict);
            Mock <ShardFactory>        shardFactory    = new Mock <ShardFactory>(MockBehavior.Strict);

            List <Mock <Shard> > shards = new List <Mock <Shard> >();
            int shardCount = 3;

            for (int i = 0; i < shardCount; i++)
            {
                shards.Add(new Mock <Shard>(MockBehavior.Strict));
            }

            List <ShardCursor> shardCursors = new List <ShardCursor>
            {
                new ShardCursor(1, 2, 3),
                new ShardCursor(4, 5, 6),
                new ShardCursor(7, 8, 9)
            };

            DateTimeOffset dateTime   = new DateTimeOffset(2020, 3, 25, 2, 0, 0, TimeSpan.Zero);
            int            shardIndex = 1;

            SegmentCursor expectedCursor = new SegmentCursor(
                dateTime,
                shardCursors,
                shardIndex);

            containerClient.Setup(r => r.GetBlobClient(It.IsAny <string>())).Returns(blobClient.Object);

            using FileStream stream = File.OpenRead(
                      $"{Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)}{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}{"SegmentManifest.json"}");
            BlobDownloadInfo            blobDownloadInfo = BlobsModelFactory.BlobDownloadInfo(content: stream);
            Response <BlobDownloadInfo> downloadResponse = Response.FromValue(blobDownloadInfo, new MockResponse(200));

            if (IsAsync)
            {
                blobClient.Setup(r => r.DownloadAsync()).ReturnsAsync(downloadResponse);
            }
            else
            {
                blobClient.Setup(r => r.Download()).Returns(downloadResponse);
            }

            shardFactory.SetupSequence(r => r.BuildShard(
                                           It.IsAny <bool>(),
                                           It.IsAny <string>(),
                                           It.IsAny <ShardCursor>()))
            .ReturnsAsync(shards[0].Object)
            .ReturnsAsync(shards[1].Object)
            .ReturnsAsync(shards[2].Object);

            for (int i = 0; i < shardCount; i++)
            {
                shards[i].Setup(r => r.GetCursor()).Returns(shardCursors[i]);
            }

            SegmentFactory segmentFactory = new SegmentFactory(
                containerClient.Object,
                shardFactory.Object);
            Segment segment = await segmentFactory.BuildSegment(
                IsAsync,
                manifestPath,
                expectedCursor);

            // Act
            SegmentCursor cursor = segment.GetCursor();

            // Assert
            Assert.AreEqual(expectedCursor.SegmentTime, cursor.SegmentTime);
            Assert.AreEqual(expectedCursor.ShardCursors.Count, cursor.ShardCursors.Count);
            for (int i = 0; i < shardCount; i++)
            {
                Assert.AreEqual(expectedCursor.ShardCursors[i].BlockOffset, cursor.ShardCursors[i].BlockOffset);
                Assert.AreEqual(expectedCursor.ShardCursors[i].ChunkIndex, cursor.ShardCursors[i].ChunkIndex);
                Assert.AreEqual(expectedCursor.ShardCursors[i].EventIndex, cursor.ShardCursors[i].EventIndex);
            }
            Assert.AreEqual(shardIndex, cursor.ShardIndex);

            containerClient.Verify(r => r.GetBlobClient(manifestPath));

            if (IsAsync)
            {
                blobClient.Verify(r => r.DownloadAsync());
            }
            else
            {
                blobClient.Verify(r => r.Download());
            }

            for (int i = 0; i < shards.Count; i++)
            {
                shardFactory.Verify(r => r.BuildShard(
                                        IsAsync,
                                        $"log/0{i}/2020/03/25/0200/",
                                        shardCursors[i]));
            }
        }
Ejemplo n.º 2
0
        public async Task GetPage()
        {
            // Arrange
            string manifestPath = "idx/segments/2020/03/25/0200/meta.json";
            int    shardCount   = 3;
            int    eventCount   = 5;

            Mock <BlobContainerClient> containerClient = new Mock <BlobContainerClient>(MockBehavior.Strict);
            Mock <BlobClient>          blobClient      = new Mock <BlobClient>(MockBehavior.Strict);
            Mock <ShardFactory>        shardFactory    = new Mock <ShardFactory>(MockBehavior.Strict);

            List <Mock <Shard> > shards = new List <Mock <Shard> >();

            for (int i = 0; i < shardCount; i++)
            {
                shards.Add(new Mock <Shard>(MockBehavior.Strict));
            }

            List <Guid> eventIds = new List <Guid>();

            for (int i = 0; i < eventCount; i++)
            {
                eventIds.Add(Guid.NewGuid());
            }

            containerClient.Setup(r => r.GetBlobClient(It.IsAny <string>())).Returns(blobClient.Object);

            using FileStream stream = File.OpenRead(
                      $"{Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)}{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}{"SegmentManifest.json"}");
            BlobDownloadInfo            blobDownloadInfo = BlobsModelFactory.BlobDownloadInfo(content: stream);
            Response <BlobDownloadInfo> downloadResponse = Response.FromValue(blobDownloadInfo, new MockResponse(200));

            if (IsAsync)
            {
                blobClient.Setup(r => r.DownloadAsync()).ReturnsAsync(downloadResponse);
            }
            else
            {
                blobClient.Setup(r => r.Download()).Returns(downloadResponse);
            }

            shardFactory.SetupSequence(r => r.BuildShard(
                                           It.IsAny <bool>(),
                                           It.IsAny <string>(),
                                           It.IsAny <ShardCursor>()))
            .ReturnsAsync(shards[0].Object)
            .ReturnsAsync(shards[1].Object)
            .ReturnsAsync(shards[2].Object);

            // Set up Shards
            shards[0].SetupSequence(r => r.Next(It.IsAny <bool>(), default))
            .Returns(Task.FromResult(new BlobChangeFeedEvent
            {
                Id = eventIds[0]
            }))
            .Returns(Task.FromResult(new BlobChangeFeedEvent
            {
                Id = eventIds[3]
            }));

            shards[0].SetupSequence(r => r.HasNext())
            .Returns(true)
            .Returns(false);

            shards[1].SetupSequence(r => r.Next(It.IsAny <bool>(), default))
            .Returns(Task.FromResult(new BlobChangeFeedEvent
            {
                Id = eventIds[1]
            }))
            .Returns(Task.FromResult(new BlobChangeFeedEvent
            {
                Id = eventIds[4]
            }));

            shards[1].SetupSequence(r => r.HasNext())
            .Returns(true)
            .Returns(false);

            shards[2].Setup(r => r.Next(It.IsAny <bool>(), default))
            .Returns(Task.FromResult(new BlobChangeFeedEvent
            {
                Id = eventIds[2]
            }));

            shards[2].Setup(r => r.HasNext())
            .Returns(false);

            SegmentFactory segmentFactory = new SegmentFactory(
                containerClient.Object,
                shardFactory.Object);
            Segment segment = await segmentFactory.BuildSegment(
                IsAsync,
                manifestPath);

            // Act
            List <BlobChangeFeedEvent> events = await segment.GetPage(IsAsync, 25);

            // Assert
            Assert.AreEqual(eventCount, events.Count);
            for (int i = 0; i < eventCount; i++)
            {
                Assert.AreEqual(eventIds[i], events[i].Id);
            }

            containerClient.Verify(r => r.GetBlobClient(manifestPath));
            if (IsAsync)
            {
                blobClient.Verify(r => r.DownloadAsync());
            }
            else
            {
                blobClient.Verify(r => r.Download());
            }

            for (int i = 0; i < shards.Count; i++)
            {
                shardFactory.Verify(r => r.BuildShard(
                                        IsAsync,
                                        $"log/0{i}/2020/03/25/0200/",
                                        default));
            }

            shards[0].Verify(r => r.Next(IsAsync, default));
            shards[0].Verify(r => r.HasNext());
            shards[1].Verify(r => r.Next(IsAsync, default));
            shards[1].Verify(r => r.HasNext());
            shards[2].Verify(r => r.Next(IsAsync, default));
            shards[2].Verify(r => r.HasNext());
            shards[0].Verify(r => r.Next(IsAsync, default));
            shards[0].Verify(r => r.HasNext());
            shards[1].Verify(r => r.Next(IsAsync, default));
            shards[1].Verify(r => r.HasNext());
        }