public void fresh_readable_checkpoint_returns_zero()
{
using (var check = FileEventPointer.OpenOrCreateForReading(FileName))
{
Assert.AreEqual(0, check.Read());
}
}
public void readonly_checkpoint_throws()
{
using (var check = FileEventPointer.OpenOrCreateForReading(FileName))
{
check.Write(long.MaxValue);
}
}
public void writeable_checkpoint_writes_expected_value()
{
using (var check = FileEventPointer.OpenOrCreateForWriting(FileName))
{
check.Write(long.MaxValue);
Assert.AreEqual(check.Read(), long.MaxValue);
}
}
public bool Execute(CommandProcessorContext context, CancellationToken token, string[] args)
{
// [abdullin]: we don't need checkpoint write flood (multi-threads)
// since there is only one writer by default
int repeat = 10000;
if (args.Length > 0)
{
int.TryParse(args[0], out repeat);
}
const string checkpointName = "epfl.chk";
AzureStoreConfiguration configuration;
var location = context.Client.Options.StoreLocation;
if (AzureStoreConfiguration.TryParse(location, out configuration))
{
var container = CloudStorageAccount.Parse(configuration.ConnectionString)
.CreateCloudBlobClient()
.GetContainerReference(configuration.RootBlobContainerName);
container.CreateIfNotExist();
var blob = container.GetPageBlobReference(checkpointName);
blob.Create(512);
try
{
using (var pointer = new TestAzurePointer(blob))
{
TestPointer(context, pointer, repeat, "page");
}
using (var pointer = AzureEventPointer.OpenWriteable(blob))
{
TestPointer(context, pointer, repeat, "meta");
}
}
finally
{
blob.DeleteIfExists();
}
}
else
{
var fullName = Path.Combine(location, checkpointName);
try
{
using (var openOrCreateForWriting = FileEventPointer.OpenOrCreateForWriting(fullName))
{
TestPointer(context, openOrCreateForWriting, repeat, "file");
}
}
finally
{
File.Delete(fullName);
}
}
return(true);
}
