public void TestDirectoryPreserveSMBPropertiesResume()
        {
            if (!CrossPlatformHelpers.IsWindows)
            {
                return;
            }
            CloudFileNtfsAttributes[] SMBFileAttributes =
            {
                CloudFileNtfsAttributes.ReadOnly,
                CloudFileNtfsAttributes.Hidden,
#if DEBUG
                CloudFileNtfsAttributes.System,
                CloudFileNtfsAttributes.Archive,
                CloudFileNtfsAttributes.Normal,
                CloudFileNtfsAttributes.Offline,
                CloudFileNtfsAttributes.NotContentIndexed,
                CloudFileNtfsAttributes.NoScrubData,

                CloudFileNtfsAttributes.ReadOnly | CloudFileNtfsAttributes.Hidden,
                CloudFileNtfsAttributes.System | CloudFileNtfsAttributes.Archive,
                CloudFileNtfsAttributes.Offline | CloudFileNtfsAttributes.NotContentIndexed | CloudFileNtfsAttributes.NoScrubData,

                CloudFileNtfsAttributes.ReadOnly |
                CloudFileNtfsAttributes.Hidden |
                CloudFileNtfsAttributes.System |
                CloudFileNtfsAttributes.Archive |
                CloudFileNtfsAttributes.NotContentIndexed |
                CloudFileNtfsAttributes.NoScrubData
#endif
            };

            for (int i = 0; i < SMBFileAttributes.Length; ++i)
            {
                CancellationTokenSource tokenSource  = new CancellationTokenSource();
                TransferItem            transferItem = null;

                bool IsStreamJournal = random.Next(0, 2) == 0;
                using (Stream journalStream = new MemoryStream())
                {
                    Test.Info("Testing setting attributes {0} to directories", SMBFileAttributes[i]);
                    // Prepare data
                    DMLibDataInfo sourceDataInfo = new DMLibDataInfo("");
                    GenerateDirNodeWithAttributes(sourceDataInfo.RootNode, 2, SMBFileAttributes[i]);

                    DirectoryTransferContext dirTransferContext = null;

                    if (IsStreamJournal)
                    {
                        dirTransferContext = new DirectoryTransferContext(journalStream);
                    }
                    else
                    {
                        dirTransferContext = new DirectoryTransferContext();
                    }

                    var progressChecker = new ProgressChecker(14, 14 * 1024);
                    dirTransferContext.ProgressHandler = progressChecker.GetProgressHandler();

                    var options = new TestExecutionOptions <DMLibDataInfo>();
                    options.IsDirectoryTransfer = true;

                    options.TransferItemModifier = (fileNode, item) =>
                    {
                        item.TransferContext = dirTransferContext;

                        dynamic transferOptions = DefaultTransferDirectoryOptions;
                        transferOptions.Recursive             = true;
                        transferOptions.PreserveSMBAttributes = true;
                        item.Options           = transferOptions;
                        item.CancellationToken = tokenSource.Token;
                        transferItem           = item;
                    };

                    TransferCheckpoint checkpoint = null;

                    options.AfterAllItemAdded = () =>
                    {
                        // Wait until there are data transferred
                        progressChecker.DataTransferred.WaitOne();

                        if (!IsStreamJournal)
                        {
                            checkpoint = dirTransferContext.LastCheckpoint;
                        }

                        // Cancel the transfer and store the second checkpoint
                        tokenSource.Cancel();
                    };

#if DEBUG
                    TestHookCallbacks.GetFileAttributesCallback = (path) =>
                    {
                        if (path.EndsWith("\\") || path.Substring(0, path.Length - 2).EndsWith(DMLibTestBase.DirName))
                        {
                            if (SMBFileAttributes[i] == CloudFileNtfsAttributes.Normal)
                            {
                                return(FileAttributes.Directory);
                            }
                            else
                            {
                                return(Helper.ToFileAttributes(SMBFileAttributes[i] | CloudFileNtfsAttributes.Directory));
                            }
                        }
                        else
                        {
                            return(Helper.ToFileAttributes(SMBFileAttributes[i]));
                        }
                    };

                    TestHookCallbacks.SetFileAttributesCallback = (path, attributes) =>
                    {
                        if (path.EndsWith("\\") || path.Substring(0, path.Length - 2).EndsWith(DMLibTestBase.DirName))
                        {
                            if (path.Substring(0, path.Length - 7).EndsWith("destroot") || path.Substring(0, path.Length - 6).EndsWith("destroot"))
                            {
                                Test.Assert(attributes == FileAttributes.Directory, "Directory attributes should be expected {0}", attributes);
                            }
                            else
                            {
                                if (SMBFileAttributes[i] == CloudFileNtfsAttributes.Normal)
                                {
                                    Test.Assert(attributes == FileAttributes.Directory, "Directory attributes should be expected {0}", attributes);
                                }
                                else
                                {
                                    Test.Assert(attributes == Helper.ToFileAttributes(SMBFileAttributes[i] | CloudFileNtfsAttributes.Directory),
                                                "Directory attributes should be expected {0}", attributes);
                                }
                            }
                        }
                        else
                        {
                            Test.Assert(attributes == Helper.ToFileAttributes(SMBFileAttributes[i]),
                                        "File attributes should be expected {0}", attributes);
                        }
                    };
#endif

                    try
                    {
                        // Execute test case
                        var result = this.ExecuteTestCase(sourceDataInfo, options);

                        Test.Assert(result.Exceptions.Count == 1, "Verify job is cancelled");
                        Exception exception = result.Exceptions[0];
                        Helper.VerifyCancelException(exception);

                        TransferItem             resumeItem    = transferItem.Clone();
                        DirectoryTransferContext resumeContext = null;
                        journalStream.Position = 0;
                        if (IsStreamJournal)
                        {
                            resumeContext = new DirectoryTransferContext(journalStream);
                        }
                        else
                        {
                            resumeContext = new DirectoryTransferContext(DMLibTestHelper.RandomReloadCheckpoint(checkpoint));
                        }

                        resumeItem.TransferContext = resumeContext;

                        result = this.RunTransferItems(new List <TransferItem>()
                        {
                            resumeItem
                        }, new TestExecutionOptions <DMLibDataInfo>());
                        VerificationHelper.VerifyTransferSucceed(result, sourceDataInfo);

                        options = new TestExecutionOptions <DMLibDataInfo>();
                        options.IsDirectoryTransfer = true;

                        TransferItem item = new TransferItem()
                        {
                            SourceObject        = SourceAdaptor.GetTransferObject(string.Empty, sourceDataInfo.RootNode),
                            DestObject          = DestAdaptor.GetTransferObject(string.Empty, sourceDataInfo.RootNode),
                            SourceType          = DMLibTestContext.SourceType,
                            DestType            = DMLibTestContext.DestType,
                            CopyMethod          = DMLibTestContext.CopyMethod.ToCopyMethod(),
                            IsDirectoryTransfer = true,
                            Options             = DefaultTransferDirectoryOptions
                        };

                        dynamic transferOptions = DefaultTransferDirectoryOptions;
                        transferOptions.Recursive             = true;
                        transferOptions.PreserveSMBAttributes = true;
                        item.Options = transferOptions;

                        item.TransferContext = new DirectoryTransferContext();
                        item.TransferContext.ShouldOverwriteCallbackAsync = async(s, d) =>
                        {
                            return(false);
                        };

                        List <TransferItem> items = new List <TransferItem>();
                        items.Add(item);

                        result = this.RunTransferItems(items, options);

                        VerificationHelper.VerifyTransferSucceed(result, sourceDataInfo);

                        if (DMLibTestContext.DestType == DMLibDataType.Local)
                        {
                            Helper.CompareSMBProperties(sourceDataInfo.RootNode, result.DataInfo.RootNode, false);
                        }
                        else
                        {
                            Helper.CompareSMBProperties(sourceDataInfo.RootNode, result.DataInfo.RootNode, true);
                        }
                    }
                    finally
                    {
#if DEBUG
                        TestHookCallbacks.GetFileAttributesCallback = null;
                        TestHookCallbacks.SetFileAttributesCallback = null;
#endif
                    }
                }
            }
        }
Beispiel #2
0
        public void TestDirectoryCheckContentMD5Resume()
        {
            long   fileSize       = 5 * 1024;
            int    fileCountMulti = 32;
            long   totalSize      = fileSize * 4 * fileCountMulti;
            string wrongMD5       = "wrongMD5";

            string checkWrongMD5File      = "checkWrongMD5File";
            string checkCorrectMD5File    = "checkCorrectMD5File";
            string notCheckWrongMD5File   = "notCheckWrongMD5File";
            string notCheckCorrectMD5File = "notCheckCorrectMD5File";

            // Prepare data for transfer items with checkMD5
            DMLibDataInfo sourceDataInfo = new DMLibDataInfo(string.Empty);
            DirNode       checkMD5Folder = new DirNode("checkMD5");

            for (int i = 0; i < fileCountMulti; ++i)
            {
                var wrongMD5FileNode = new FileNode($"{checkWrongMD5File}_{i}")
                {
                    SizeInByte = fileSize,
                    MD5        = wrongMD5
                };

                checkMD5Folder.AddFileNode(wrongMD5FileNode);

                DMLibDataHelper.AddOneFileInBytes(checkMD5Folder, $"{checkCorrectMD5File}_{i}", fileSize);
            }
            sourceDataInfo.RootNode.AddDirNode(checkMD5Folder);

            // Prepare data for transfer items with disabling MD5 check
            DirNode notCheckMD5Folder = new DirNode("notCheckMD5");

            for (int i = 0; i < fileCountMulti; ++i)
            {
                var wrongMD5FileNode = new FileNode($"{notCheckWrongMD5File}_{i}")
                {
                    SizeInByte = fileSize,
                    MD5        = wrongMD5
                };

                notCheckMD5Folder.AddFileNode(wrongMD5FileNode);

                DMLibDataHelper.AddOneFileInBytes(notCheckMD5Folder, $"{notCheckCorrectMD5File}_{i}", fileSize);
            }

            sourceDataInfo.RootNode.AddDirNode(notCheckMD5Folder);

            SourceAdaptor.GenerateData(sourceDataInfo);

            TransferEventChecker    eventChecker            = new TransferEventChecker();
            CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
            TransferContext         context = new DirectoryTransferContext();

            eventChecker.Apply(context);

            ProgressChecker progressChecker = new ProgressChecker(4 * fileCountMulti, totalSize, 3 * fileCountMulti, null, 0, totalSize);

            context.ProgressHandler = progressChecker.GetProgressHandler();
            List <Exception> transferExceptions = new List <Exception>();

            TransferItem checkMD5Item = new TransferItem()
            {
                SourceObject        = SourceAdaptor.GetTransferObject(sourceDataInfo.RootPath, checkMD5Folder),
                DestObject          = DestAdaptor.GetTransferObject(sourceDataInfo.RootPath, checkMD5Folder),
                IsDirectoryTransfer = true,
                SourceType          = DMLibTestContext.SourceType,
                DestType            = DMLibTestContext.DestType,
                CopyMethod          = DMLibTestContext.CopyMethod.ToCopyMethod(),
                TransferContext     = context,
                Options             = new DownloadDirectoryOptions()
                {
                    DisableContentMD5Validation = false,
                    Recursive = true,
                },
                CancellationToken = cancellationTokenSource.Token,
            };

            TransferItem notCheckMD5Item = new TransferItem()
            {
                SourceObject        = SourceAdaptor.GetTransferObject(sourceDataInfo.RootPath, notCheckMD5Folder),
                DestObject          = DestAdaptor.GetTransferObject(sourceDataInfo.RootPath, notCheckMD5Folder),
                IsDirectoryTransfer = true,
                SourceType          = DMLibTestContext.SourceType,
                DestType            = DMLibTestContext.DestType,
                CopyMethod          = DMLibTestContext.CopyMethod.ToCopyMethod(),
                TransferContext     = context,
                Options             = new DownloadDirectoryOptions()
                {
                    DisableContentMD5Validation = true,
                    Recursive = true,
                },
                CancellationToken = cancellationTokenSource.Token
            };

            var executionOption = new TestExecutionOptions <DMLibDataInfo>();

            executionOption.AfterAllItemAdded = () =>
            {
                // Wait until there are data transferred
                if (!progressChecker.DataTransferred.WaitOne(30000))
                {
                    Test.Error("No progress in 30s.");
                }

                // Cancel the transfer and store the second checkpoint
                cancellationTokenSource.Cancel();
            };
            executionOption.LimitSpeed = true;

            var testResult = this.RunTransferItems(new List <TransferItem>()
            {
                checkMD5Item, notCheckMD5Item
            }, executionOption);

            eventChecker = new TransferEventChecker();
            context      = new DirectoryTransferContext(DMLibTestHelper.RandomReloadCheckpoint(context.LastCheckpoint));
            eventChecker.Apply(context);

            bool failureReported = false;

            context.FileFailed += (sender, args) =>
            {
                if (args.Exception != null)
                {
                    failureReported = args.Exception.Message.Contains(checkWrongMD5File);
                }

                transferExceptions.Add(args.Exception);
            };

            progressChecker.Reset();
            context.ProgressHandler = progressChecker.GetProgressHandler();

            checkMD5Item    = checkMD5Item.Clone();
            notCheckMD5Item = notCheckMD5Item.Clone();

            checkMD5Item.TransferContext    = context;
            notCheckMD5Item.TransferContext = context;

            testResult = this.RunTransferItems(new List <TransferItem>()
            {
                checkMD5Item, notCheckMD5Item
            }, new TestExecutionOptions <DMLibDataInfo>());

            DMLibDataInfo expectedDataInfo = sourceDataInfo.Clone();
            DMLibDataInfo actualDataInfo   = testResult.DataInfo;

            for (int i = 0; i < fileCountMulti; ++i)
            {
                expectedDataInfo.RootNode.GetDirNode(checkMD5Folder.Name).DeleteFileNode($"{checkWrongMD5File}_{i}");
                expectedDataInfo.RootNode.GetDirNode(notCheckMD5Folder.Name).DeleteFileNode($"{notCheckWrongMD5File}_{i}");
                actualDataInfo.RootNode.GetDirNode(checkMD5Folder.Name).DeleteFileNode($"{checkWrongMD5File}_{i}");
                actualDataInfo.RootNode.GetDirNode(notCheckMD5Folder.Name).DeleteFileNode($"{notCheckWrongMD5File}_{i}");
            }

            Test.Assert(DMLibDataHelper.Equals(expectedDataInfo, actualDataInfo), "Verify transfer result.");
            Test.Assert(failureReported, "Verify md5 check failure is reported.");
            VerificationHelper.VerifyFinalProgress(progressChecker, 3 * fileCountMulti, 0, fileCountMulti);

            if (testResult.Exceptions.Count != 0 || transferExceptions.Count != fileCountMulti)
            {
                Test.Error("Expect one exception but actually no exception is thrown.");
            }
            else
            {
                for (int i = 0; i < fileCountMulti; ++i)
                {
                    VerificationHelper.VerifyExceptionErrorMessage(transferExceptions[i], new string[] { "The MD5 hash calculated from the downloaded data does not match the MD5 hash stored in the property of source" });
                }
            }
        }
Beispiel #3
0
        public void TestDirectoryPreserveSMBPermissionsResume()
        {
            if (!CrossPlatformHelpers.IsWindows)
            {
                return;
            }

            PreserveSMBPermissions preserveSMBPermissions =
                PreserveSMBPermissions.Owner
                | PreserveSMBPermissions.Group
                | PreserveSMBPermissions.DACL;

            string sampleSDDL = "O:S-1-5-21-2146773085-903363285-719344707-1375029G:S-1-5-21-2146773085-903363285-719344707-513D:(A;ID;FA;;;BA)(A;OICIIOID;GA;;;BA)(A;ID;FA;;;SY)(A;OICIIOID;GA;;;SY)(A;ID;0x1301bf;;;AU)(A;OICIIOID;SDGXGWGR;;;AU)(A;ID;0x1200a9;;;BU)(A;OICIIOID;GXGR;;;BU)";
            CancellationTokenSource tokenSource  = new CancellationTokenSource();
            TransferItem            transferItem = null;

            bool IsStreamJournal = random.Next(0, 2) == 0;

            using (Stream journalStream = new MemoryStream())
            {
                // Prepare data
                DMLibDataInfo sourceDataInfo = new DMLibDataInfo("");
                GenerateDirNodeWithPermissions(sourceDataInfo.RootNode, 2, sampleSDDL);

                DirectoryTransferContext dirTransferContext = null;

                if (IsStreamJournal)
                {
                    dirTransferContext = new DirectoryTransferContext(journalStream);
                }
                else
                {
                    dirTransferContext = new DirectoryTransferContext();
                }

                var progressChecker = new ProgressChecker(14, 14 * 1024);
                dirTransferContext.ProgressHandler = progressChecker.GetProgressHandler();

                var options = new TestExecutionOptions <DMLibDataInfo>();
                options.IsDirectoryTransfer = true;

                options.TransferItemModifier = (fileNode, item) =>
                {
                    item.TransferContext = dirTransferContext;

                    dynamic transferOptions = DefaultTransferDirectoryOptions;
                    transferOptions.Recursive = true;
                    transferOptions.PreserveSMBPermissions = preserveSMBPermissions;
                    item.Options           = transferOptions;
                    item.CancellationToken = tokenSource.Token;
                    transferItem           = item;
                };

                TransferCheckpoint checkpoint = null;

                options.AfterAllItemAdded = () =>
                {
                    // Wait until there are data transferred
                    progressChecker.DataTransferred.WaitOne();

                    if (!IsStreamJournal)
                    {
                        checkpoint = dirTransferContext.LastCheckpoint;
                    }

                    // Cancel the transfer and store the second checkpoint
                    tokenSource.Cancel();
                };

#if DEBUG
                TestHookCallbacks.UnderTesting = true;
                TestHookCallbacks.GetFilePermissionsCallback = (path, SMBPermissionType) =>
                {
                    Test.Assert(SMBPermissionType == preserveSMBPermissions, "The SMB permission type should be expected.");
                    return(sampleSDDL);
                };

                TestHookCallbacks.SetFilePermissionsCallback = (path, portableSDDL, SMBPermissionType) =>
                {
                    Test.Assert(SMBPermissionType == preserveSMBPermissions, "The SMB permission type should be expected.");
                    Test.Assert(portableSDDL.StartsWith(sampleSDDL),
                                "The SDDL value should be expected.");
                };
#endif

                try
                {
                    // Execute test case
                    var result = this.ExecuteTestCase(sourceDataInfo, options);

                    Test.Assert(result.Exceptions.Count == 1, "Verify job is cancelled");
                    Exception exception = result.Exceptions[0];
                    Helper.VerifyCancelException(exception);

                    TransferItem             resumeItem    = transferItem.Clone();
                    DirectoryTransferContext resumeContext = null;
                    journalStream.Position = 0;
                    if (IsStreamJournal)
                    {
                        resumeContext = new DirectoryTransferContext(journalStream);
                    }
                    else
                    {
                        resumeContext = new DirectoryTransferContext(DMLibTestHelper.RandomReloadCheckpoint(checkpoint));
                    }

                    resumeItem.TransferContext = resumeContext;

                    result = this.RunTransferItems(new List <TransferItem>()
                    {
                        resumeItem
                    }, new TestExecutionOptions <DMLibDataInfo>());
                    VerificationHelper.VerifyTransferSucceed(result, sourceDataInfo);

                    if (DMLibTestContext.DestType == DMLibDataType.CloudFile)
                    {
                        Helper.CompareSMBPermissions(sourceDataInfo.RootNode, result.DataInfo.RootNode, preserveSMBPermissions);
                    }
                }
                finally
                {
#if DEBUG
                    TestHookCallbacks.UnderTesting = false;
                    TestHookCallbacks.GetFilePermissionsCallback = null;
                    TestHookCallbacks.SetFilePermissionsCallback = null;
#endif
                }
            }
        }
Beispiel #4
0
        private void TestDirectorySetAttribute_Restart(
            int bigFileSizeInKB,
            int smallFileSizeInKB,
            int bigFileNum,
            int smallFileNum,
            Action <DirNode> bigFileDirAddFileAction,
            Action <DirNode> smallFileDirAddFileAction,
            SetAttributesCallbackAsync setAttributesCallback = null,
            Action <DMLibDataInfo> sourceDataInfoDecorator   = null)
        {
            int  totalFileNum     = bigFileNum + smallFileNum;
            long totalSizeInBytes = ((bigFileSizeInKB * bigFileNum) + (smallFileSizeInKB * smallFileNum)) * 1024;

            DMLibDataInfo sourceDataInfo   = new DMLibDataInfo(string.Empty);
            DirNode       bigFileDirNode   = new DirNode("big");
            DirNode       smallFileDirNode = new DirNode("small");

            sourceDataInfo.RootNode.AddDirNode(bigFileDirNode);
            sourceDataInfo.RootNode.AddDirNode(smallFileDirNode);
            bigFileDirAddFileAction(bigFileDirNode);
            smallFileDirAddFileAction(smallFileDirNode);

            CancellationTokenSource tokenSource = new CancellationTokenSource();

            TransferItem transferItem = null;
            var          options      = new TestExecutionOptions <DMLibDataInfo> {
                LimitSpeed = true, IsDirectoryTransfer = true
            };

            using (Stream journalStream = new MemoryStream())
            {
                bool isStreamJournal = random.Next(0, 2) == 0;

                var transferContext = isStreamJournal ? new DirectoryTransferContext(journalStream) : new DirectoryTransferContext();
                transferContext.SetAttributesCallbackAsync = setAttributesCallback;

                var progressChecker = new ProgressChecker(totalFileNum, totalSizeInBytes, totalFileNum, null, 0, totalSizeInBytes);
                transferContext.ProgressHandler = progressChecker.GetProgressHandler();

                var eventChecker = new TransferEventChecker();
                eventChecker.Apply(transferContext);

                transferContext.FileFailed += (sender, e) =>
                {
                    Helper.VerifyCancelException(e.Exception);
                };

                options.TransferItemModifier = (fileName, item) =>
                {
                    dynamic dirOptions = DefaultTransferDirectoryOptions;
                    dirOptions.Recursive = true;

                    item.Options           = dirOptions;
                    item.CancellationToken = tokenSource.Token;
                    item.TransferContext   = transferContext;
                    transferItem           = item;
                };

                TransferCheckpoint firstCheckpoint = null, secondCheckpoint = null;
                options.AfterAllItemAdded = () =>
                {
                    // Wait until there are data transferred
                    progressChecker.DataTransferred.WaitOne();

                    if (!isStreamJournal)
                    {
                        // Store the first checkpoint
                        firstCheckpoint = transferContext.LastCheckpoint;
                    }

                    Thread.Sleep(1000);

                    // Cancel the transfer and store the second checkpoint
                    tokenSource.Cancel();
                };

                // Cancel and store checkpoint for resume
                var result = this.ExecuteTestCase(sourceDataInfo, options);

                if (progressChecker.FailedFilesNumber <= 0)
                {
                    Test.Error("Verify file number in progress. Failed: {0}", progressChecker.FailedFilesNumber);
                }

                TransferCheckpoint firstResumeCheckpoint = null, secondResumeCheckpoint = null;

                if (!isStreamJournal)
                {
                    secondCheckpoint = transferContext.LastCheckpoint;

                    Test.Info("Resume with the second checkpoint first.");
                    firstResumeCheckpoint  = secondCheckpoint;
                    secondResumeCheckpoint = firstCheckpoint;
                }

                // resume with firstResumeCheckpoint
                TransferItem resumeItem = transferItem.Clone();

                progressChecker.Reset();
                TransferContext resumeContext = null;

                if (isStreamJournal)
                {
                    resumeContext = new DirectoryTransferContext(journalStream)
                    {
                        ProgressHandler = progressChecker.GetProgressHandler()
                    };
                }
                else
                {
                    resumeContext = new DirectoryTransferContext(DMLibTestHelper.RandomReloadCheckpoint(firstResumeCheckpoint))
                    {
                        ProgressHandler = progressChecker.GetProgressHandler()
                    };
                }

                resumeContext.SetAttributesCallbackAsync = setAttributesCallback;

                eventChecker.Reset();
                eventChecker.Apply(resumeContext);

                resumeItem.TransferContext = resumeContext;

                result = this.RunTransferItems(new List <TransferItem>()
                {
                    resumeItem
                }, new TestExecutionOptions <DMLibDataInfo>());

                sourceDataInfoDecorator?.Invoke(sourceDataInfo);

                VerificationHelper.VerifyFinalProgress(progressChecker, totalFileNum, 0, 0);
                VerificationHelper.VerifySingleTransferStatus(result, totalFileNum, 0, 0, totalSizeInBytes);
                VerificationHelper.VerifyTransferSucceed(result, sourceDataInfo);

                if (!isStreamJournal)
                {
                    // resume with secondResumeCheckpoint
                    resumeItem = transferItem.Clone();

                    progressChecker.Reset();
                    resumeContext = new DirectoryTransferContext(DMLibTestHelper.RandomReloadCheckpoint(secondResumeCheckpoint))
                    {
                        ProgressHandler = progressChecker.GetProgressHandler(),

                        // Need this overwrite callback since some files is already transferred to destination
                        ShouldOverwriteCallbackAsync = DMLibInputHelper.GetDefaultOverwiteCallbackY(),

                        SetAttributesCallbackAsync = setAttributesCallback
                    };

                    eventChecker.Reset();
                    eventChecker.Apply(resumeContext);

                    resumeItem.TransferContext = resumeContext;

                    result = this.RunTransferItems(new List <TransferItem>()
                    {
                        resumeItem
                    }, new TestExecutionOptions <DMLibDataInfo>());

                    VerificationHelper.VerifyFinalProgress(progressChecker, totalFileNum, 0, 0);
                    VerificationHelper.VerifySingleTransferStatus(result, totalFileNum, 0, 0, totalSizeInBytes);
                    VerificationHelper.VerifyTransferSucceed(result, sourceDataInfo);
                }
            }
        }