public void CheckPrerequisitiesTest_ShouldBeOk()
{
//arrange
MigrationFlowData flowData = new MigrationFlowData();
flowData.VhdFileTemporaryFolder = "temporary\\folder";
this.vssBackupComponentsMock.Setup(x => x.IsVolumeSupported(It.IsAny <string>()))
.Returns(true);
CloneOSMigrationStep step = new CloneOSMigrationStep(loggerMock.Object,
osHelperMock.Object,
fileSystemHelperMock.Object,
flowData,
vssImplementationMock.Object);
//act
string[] messages = new string[0];
bool result = step.CheckPrerequisities(ref messages);
//assert
Assert.IsTrue(result);
}
public void CheckPrerequisitiesTest_ShouldFail()
{
//arrange
MigrationFlowData flowData = new MigrationFlowData();
flowData.VhdFileTemporaryFolder = "temporary\\folder";
this.vssBackupComponentsMock.Setup(x => x.IsVolumeSupported(It.IsAny <string>()))
.Returns(false);
CloneOSMigrationStep step = new CloneOSMigrationStep(loggerMock.Object,
osHelperMock.Object,
fileSystemHelperMock.Object,
flowData,
vssImplementationMock.Object);
//act
string[] messages = new string[0];
bool result = step.CheckPrerequisities(ref messages);
//assert
Assert.IsFalse(result);
Assert.AreEqual(1, messages.Where(x => x.Contains("System volume does not support VSS")).Count());
}
public void PerformStepTest_ShouldDeleteSnapshotOnError()
{
//arrange
MigrationFlowData flowData = new MigrationFlowData();
flowData.VhdFileTemporaryFolder = "temporary\\folder";
flowData.OperatingSystemDriveLetter = 'C';
flowData.VhdFileName = "test.vhdx";
Mock <VirtualDiskDecorator> diskMock = new Mock <VirtualDiskDecorator>();
Mock <BiosPartitionTableDecorator> partitionTableMock = new Mock <BiosPartitionTableDecorator>();
diskMock.Setup(x => x.Partitions)
.Returns(partitionTableMock.Object);
MemoryStream streamMock = new MemoryStream();
StreamWriter swMock = new StreamWriter(streamMock);
VssSnapshotProperties fakeSnapshotDetails = new VssSnapshotProperties(Guid.NewGuid(), Guid.NewGuid(), 1, "snapshotDeviceObject", "C:", "unit-testing", "unit-testing", null, null, Guid.NewGuid(), VssVolumeSnapshotAttributes.Differential, DateTime.Now, VssSnapshotState.Created);
this.vssBackupComponentsMock.Setup(x => x.InitializeForBackup(It.IsAny <string>())).Verifiable();
this.vssBackupComponentsMock.Setup(x => x.GatherWriterMetadata()).Verifiable();
this.vssBackupComponentsMock.Setup(x => x.SetContext(It.IsAny <VssVolumeSnapshotAttributes>())).Verifiable();
this.vssBackupComponentsMock.Setup(x => x.StartSnapshotSet())
.Returns(fakeSnapshotDetails.SnapshotSetId)
.Verifiable();
this.vssBackupComponentsMock.Setup(x => x.AddToSnapshotSet(It.Is <string>((param) => param == $"{flowData.OperatingSystemDriveLetter}:\\")))
.Returns(fakeSnapshotDetails.SnapshotId)
.Verifiable();
this.vssBackupComponentsMock.Setup(x => x.PrepareForBackup()).Verifiable();
this.vssBackupComponentsMock.Setup(x => x.DoSnapshotSet())
.Throws <Exception>()
.Verifiable();
this.vssBackupComponentsMock.Setup(x => x.DeleteSnapshot(It.Is <Guid>((snapshotId) => snapshotId == fakeSnapshotDetails.SnapshotId), It.IsAny <bool>())).Verifiable();
this.vssBackupComponentsMock.Setup(x => x.GetSnapshotProperties(It.Is <Guid>((snapshotId) => snapshotId == fakeSnapshotDetails.SnapshotId)))
.Returns(fakeSnapshotDetails)
.Verifiable();
this.fileSystemHelperMock.Setup(x => x.OpenRawDiskStream(It.Is <string>(snapshotPath => snapshotPath == fakeSnapshotDetails.SnapshotDeviceObject)))
.Returns(streamMock)
.Verifiable();
this.fileSystemHelperMock.Setup(x => x.OpenVhdx(It.Is <string>(snapshotPath => snapshotPath == $"{flowData.VhdFileTemporaryFolder}\\{flowData.VhdFileName}")))
.Returns(diskMock.Object)
.Verifiable();
this.fileSystemHelperMock.Setup(x => x.CloneNtfsFileSystem(It.IsAny <Stream>(), It.IsAny <Stream>(), It.IsAny <ILogger>()))
.Verifiable();
CloneOSMigrationStep step = new CloneOSMigrationStep(loggerMock.Object,
osHelperMock.Object,
fileSystemHelperMock.Object,
flowData,
vssImplementationMock.Object);
//act
Assert.Throws <Exception>(() =>
{
step.PerformStep();
});
swMock.Dispose();
//assert
this.vssBackupComponentsMock.Verify(x => x.InitializeForBackup(It.IsAny <string>()), Times.Once);
this.vssBackupComponentsMock.Verify(x => x.GatherWriterMetadata(), Times.Once);
this.vssBackupComponentsMock.Verify(x => x.SetContext(It.IsAny <VssVolumeSnapshotAttributes>()), Times.Once);
this.vssBackupComponentsMock.Verify(x => x.StartSnapshotSet(), Times.Once);
this.vssBackupComponentsMock.Verify(x => x.AddToSnapshotSet(It.Is <string>((param) => param == $"{flowData.OperatingSystemDriveLetter}:\\")), Times.Once);
this.vssBackupComponentsMock.Verify(x => x.PrepareForBackup(), Times.Once);
this.vssBackupComponentsMock.Verify(x => x.DoSnapshotSet(), Times.Once);
this.vssBackupComponentsMock.Verify(x => x.DeleteSnapshot(It.Is <Guid>((snapshotId) => snapshotId == fakeSnapshotDetails.SnapshotId), It.IsAny <bool>()), Times.Once);
this.fileSystemHelperMock.Verify(x => x.OpenVhdx(It.Is <string>(snapshotPath => snapshotPath == $"{flowData.VhdFileTemporaryFolder}\\{flowData.VhdFileName}")), Times.Never);
this.fileSystemHelperMock.Verify(x => x.CloneNtfsFileSystem(It.IsAny <Stream>(), It.IsAny <Stream>(), It.IsAny <ILogger>()), Times.Never);
}
