public void TestBasicSnapshotFeatures()
{
IBlockStorageProvider provider = Bootstrapper.CreateBlockStorageProvider();
//
// Volume setup...
//
string volumeDisplayName = UnitTestVolumePrefix + Path.GetRandomFileName();
VolumeType ssdType = GetSsdVolumeTypeOrDefault(provider);
if (ssdType != null)
{
Console.WriteLine("Using an SSD volume to improve snapshot test performance.");
}
else
{
Console.WriteLine("No SSD volume type is available for the snapshot test... falling back to the default.");
}
Volume result = provider.CreateVolume(MinimumVolumeSize, displayName: volumeDisplayName, volumeType: ssdType != null ? ssdType.Id : null);
Assert.IsNotNull(result);
Assert.IsNotNull(result.Id);
Console.WriteLine(JsonConvert.SerializeObject(result, Formatting.Indented));
Volume updated = provider.WaitForVolumeAvailable(result.Id);
Assert.IsNotNull(updated);
Assert.AreEqual(result.Id, updated.Id);
Assert.AreEqual(VolumeState.Available, updated.Status);
//
// Snapshot testing
//
string snapshotDisplayName = UnitTestSnapshotPrefix + Path.GetRandomFileName();
Snapshot snapshot = provider.CreateSnapshot(result.Id, displayName: snapshotDisplayName);
Assert.IsNotNull(snapshot);
Assert.IsNotNull(snapshot.Id);
Console.WriteLine(JsonConvert.SerializeObject(snapshot, Formatting.Indented));
Snapshot updatedSnapshot = provider.WaitForSnapshotAvailable(snapshot.Id);
Assert.IsNotNull(updatedSnapshot);
Assert.AreEqual(snapshot.Id, updatedSnapshot.Id);
Assert.AreEqual(SnapshotState.Available, updatedSnapshot.Status);
bool deleted = provider.DeleteSnapshot(snapshot.Id);
Assert.IsTrue(deleted);
deleted = provider.WaitForSnapshotDeleted(snapshot.Id);
Assert.IsTrue(deleted);
try
{
provider.ShowSnapshot(snapshot.Id);
Assert.Fail("Expected an exception after a snapshot is deleted.");
}
catch (ItemNotFoundException)
{
// this makes the most sense
}
catch (UserNotAuthorizedException)
{
// this is allowed by the interface, and some providers could report it for security reasons
}
catch (ResponseException)
{
// this is allowed by the interface
}
//
// Volume cleanup...
//
bool deletedVolume = provider.DeleteVolume(result.Id);
Assert.IsTrue(deletedVolume);
deletedVolume = provider.WaitForVolumeDeleted(result.Id);
Assert.IsTrue(deletedVolume);
}