public async Task SimpleFailScenario()
{
var provider = new ServiceCollection()
.AddKeySmith(ConfigurationHelper.GetConfiguration())
.BuildServiceProvider();
var service = provider.GetRequiredService <IMemoLockService>();
var root = Guid.NewGuid().ToString().Substring(0, 8);
var memoKey = new MemoKey(root, "name", TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(2));
var db = provider.GetRequiredService <ConnectionMultiplexer>().GetDatabase();
await ResetKeys(db, memoKey);
try
{
try
{
await service.MemoLockAsync(memoKey, c => throw new NullReferenceException("oups"), CancellationToken.None);
throw new Exception("Nothing was thrown");
}
catch (NullReferenceException)
{
}
catch (GenerationException)// we actually get it from redis before we had time to clean the setup.
{
}
try
{
RedisValue answer = "answer";
await service.MemoLockAsync(memoKey, c => Task.FromResult(answer), CancellationToken.None);
throw new Exception("Nothing was thrown");
}
catch (GenerationException)
{
}
Assert.False(await db.KeyExistsAsync(memoKey.GetValueKey()));
Assert.True(await db.KeyExistsAsync(memoKey.GetErrorKey()));
}
finally
{
await ResetKeys(db, memoKey);
}
}
public async Task SubscribeTests()
{
var connection = ConfigurationHelper.GetNewConnection();
var library = new MemoScriptLibrary(connection);
var db = connection.GetDatabase();
var timeout = 500;
var root = Guid.NewGuid().ToString().Substring(0, 8);
var key = new MemoKey(root, "key", TimeSpan.FromMilliseconds(timeout), TimeSpan.FromSeconds(1));
var result = false;
await library.SubscribeAsync(key.GetSubscribtionChannel(), (c, v) => result = true);
await db.PublishAsync(key.GetValueChannel(), "identifier");
await Task.Delay(30);
Assert.True(result);
}
public ByteBuffer ToBuffer(ByteBuffer buffer = null)
{
buffer = buffer ?? new ByteBuffer(ByteBuffer.LITTLE_ENDING);
MemoKey.ToBuffer(buffer);
VotingAccount.ToBuffer(buffer);
buffer.WriteUInt16(NumWitness);
buffer.WriteUInt16(NumCommittee);
buffer.WriteArray(Votes, (b, item) => {
if (!item.IsNull())
{
item.ToBuffer(b);
}
}, VoteId.Compare);
buffer.WriteArray(Extensions, (b, item) => {
if (!item.IsNull())
{
;
}
}); // todo
return(buffer);
}
private Task ResetKeys(IDatabase db, MemoKey memoKey)
{
var key = memoKey.GetLockKey();
return(db.KeyDeleteAsync(new RedisKey[] { memoKey.GetErrorKey(), memoKey.GetValueKey(), key.GetLockKey(), key.GetLockQueueKey(), key.GetLockQueueSetKey() }));
}
