public async ValueTask PageBlobFasterLogTest1([Values] LogChecksumType logChecksum, [Values] FasterLogTestBase.IteratorType iteratorType)
{
TestUtils.IgnoreIfNotRunningAzureTests();
var device = new AzureStorageDevice(TestUtils.AzureEmulatedStorageString, $"{TestUtils.AzureTestContainer}", TestUtils.AzureTestDirectory, "fasterlog.log", deleteOnClose: true);
var checkpointManager = new DeviceLogCommitCheckpointManager(
new AzureStorageNamedDeviceFactory(TestUtils.AzureEmulatedStorageString),
new DefaultCheckpointNamingScheme($"{TestUtils.AzureTestContainer}/{TestUtils.AzureTestDirectory}"));
await FasterLogTest1(logChecksum, device, checkpointManager, iteratorType);
device.Dispose();
checkpointManager.PurgeAll();
checkpointManager.Dispose();
}
public async ValueTask PageBlobFasterLogTestWithLease([Values] LogChecksumType logChecksum, [Values] FasterLogTestBase.IteratorType iteratorType)
{
// Set up the blob manager so can set lease to it
TestUtils.IgnoreIfNotRunningAzureTests();
CloudStorageAccount storageAccount = CloudStorageAccount.DevelopmentStorageAccount;
var cloudBlobClient = storageAccount.CreateCloudBlobClient();
CloudBlobContainer blobContainer = cloudBlobClient.GetContainerReference("test-container");
blobContainer.CreateIfNotExists();
var mycloudBlobDir = blobContainer.GetDirectoryReference(@"BlobManager/MyLeaseTest1");
var blobMgr = new DefaultBlobManager(true, mycloudBlobDir);
var device = new AzureStorageDevice(TestUtils.AzureEmulatedStorageString, $"{TestUtils.AzureTestContainer}", TestUtils.AzureTestDirectory, "fasterlogLease.log", deleteOnClose: true, underLease: true, blobManager: blobMgr);
var checkpointManager = new DeviceLogCommitCheckpointManager(
new AzureStorageNamedDeviceFactory(TestUtils.AzureEmulatedStorageString),
new DefaultCheckpointNamingScheme($"{TestUtils.AzureTestContainer}/{TestUtils.AzureTestDirectory}"));
await FasterLogTest1(logChecksum, device, checkpointManager, iteratorType);
device.Dispose();
checkpointManager.PurgeAll();
checkpointManager.Dispose();
blobContainer.Delete();
}
private async ValueTask FasterLogTest1(LogChecksumType logChecksum, IDevice device, ILogCommitManager logCommitManager, FasterLogTestBase.IteratorType iteratorType)
{
var logSettings = new FasterLogSettings {
PageSizeBits = 20, SegmentSizeBits = 20, LogDevice = device, LogChecksum = logChecksum, LogCommitManager = logCommitManager
};
log = FasterLogTestBase.IsAsync(iteratorType) ? await FasterLog.CreateAsync(logSettings) : new FasterLog(logSettings);
byte[] entry = new byte[entryLength];
for (int i = 0; i < entryLength; i++)
{
entry[i] = (byte)i;
}
for (int i = 0; i < numEntries; i++)
{
log.Enqueue(entry);
}
log.Commit(true);
using (var iter = log.Scan(0, long.MaxValue))
{
var counter = new FasterLogTestBase.Counter(log);
switch (iteratorType)
{
case FasterLogTestBase.IteratorType.AsyncByteVector:
await foreach ((byte[] result, _, _, long nextAddress) in iter.GetAsyncEnumerable())
{
Assert.IsTrue(result.SequenceEqual(entry));
counter.IncrementAndMaybeTruncateUntil(nextAddress);
// MoveNextAsync() would hang at TailAddress, waiting for more entries (that we don't add).
// Note: If this happens and the test has to be canceled, there may be a leftover blob from the log.Commit(), because
// the log device isn't Dispose()d; the symptom is currently a numeric string format error in DefaultCheckpointNamingScheme.
if (nextAddress == log.TailAddress)
{
break;
}
}
break;
case FasterLogTestBase.IteratorType.AsyncMemoryOwner:
await foreach ((IMemoryOwner <byte> result, int _, long _, long nextAddress) in iter.GetAsyncEnumerable(MemoryPool <byte> .Shared))
{
Assert.IsTrue(result.Memory.Span.ToArray().Take(entry.Length).SequenceEqual(entry));
result.Dispose();
counter.IncrementAndMaybeTruncateUntil(nextAddress);
// MoveNextAsync() would hang at TailAddress, waiting for more entries (that we don't add).
// Note: If this happens and the test has to be canceled, there may be a leftover blob from the log.Commit(), because
// the log device isn't Dispose()d; the symptom is currently a numeric string format error in DefaultCheckpointNamingScheme.
if (nextAddress == log.TailAddress)
{
break;
}
}
break;
case FasterLogTestBase.IteratorType.Sync:
while (iter.GetNext(out byte[] result, out _, out _))
{
Assert.IsTrue(result.SequenceEqual(entry));
counter.IncrementAndMaybeTruncateUntil(iter.NextAddress);
}
break;
default:
Assert.Fail("Unknown IteratorType");
break;
}
Assert.IsTrue(counter.count == numEntries);
}
log.Dispose();
}
