public async Task CounterCreationShouldFailInCaseCounterAlreadyExists()
{
var key = Guid.NewGuid().ToString();
var counter = new AerospikeAtomicCounter(GetClientFactory(), GetSettingsProvider());
await counter.Create(key, TimeSpan.FromSeconds(_expirySeconds));
await Assert.ThrowsAsync(typeof(AerospikeProviderException), async() => await counter.Create(key, TimeSpan.FromSeconds(1)));
}
public async Task CounterCreationShouldSucceedWithDefaultValueOfZero()
{
var key = Guid.NewGuid().ToString();
var counter = new AerospikeAtomicCounter(GetClientFactory(), GetSettingsProvider());
await counter.Create(key, TimeSpan.FromSeconds(_expirySeconds));
var val = await counter.GetCurrentValue(key);
Assert.Equal(0, val);
}
public async Task TestDefaultCounterDecrementByOne()
{
var key = Guid.NewGuid().ToString();
var counter = new AerospikeAtomicCounter(GetClientFactory(), GetSettingsProvider());
await counter.Create(key, TimeSpan.FromSeconds(_expirySeconds));
var val = await counter.Increment(key);
Assert.Equal(1, val);
val = await counter.Increment(key);
Assert.Equal(2, val);
}
public async Task TestCounterIncrementSpecifiedFactor()
{
var incrementFactor = 3;
var currentValue = 0;
var key = Guid.NewGuid().ToString();
var counter = new AerospikeAtomicCounter(GetClientFactory(), GetSettingsProvider());
await counter.Create(key, TimeSpan.FromSeconds(_expirySeconds));
currentValue += incrementFactor;
var val = await counter.Increment(key, incrementFactor);
Assert.Equal(currentValue, val);
currentValue += incrementFactor;
val = await counter.Increment(key, incrementFactor);
Assert.Equal(currentValue, val);
}
public async Task TestCouncurrentIncrementOperationsAtomicity()
{
var key = Guid.NewGuid().ToString();
var counter = new AerospikeAtomicCounter(GetClientFactory(), GetSettingsProvider());
await counter.Create(key, TimeSpan.FromSeconds(_expirySeconds));
var incrementTasks = new List <Task>();
for (var i = 0; i < 100; i++)
{
incrementTasks.Add(Task.Run(() => counter.Increment(key)));
}
await Task.WhenAll(incrementTasks.ToArray());
var counterVal = await counter.GetCurrentValue(key);
Assert.Equal(incrementTasks.Count, counterVal);
}