public Task PrefersAddingShardsWhenMemoryGrowsAsync(string initialClusterSize, IEnumerable <string> expectedPath, string usedMemoryAcrossAllShards)
{
return(RunTestAsync(async(operationContext, redisAutoscalingAgent) =>
{
redisAutoscalingAgent.UsedMemoryBytes.Add(usedMemoryAcrossAllShards.ToSize());
redisAutoscalingAgent.OperationsPerSecond.Add(10);
var redisInstance = new MockRedisInstance(RedisClusterSize.Parse(initialClusterSize));
var modelOutput = await redisAutoscalingAgent
.EstimateBestClusterSizeAsync(operationContext, redisInstance)
.ThrowIfFailureAsync();
modelOutput
.ScalePath
.Should()
.BeEquivalentTo(expectedPath.Select(size => RedisClusterSize.Parse(size)));
}));
}
public Task DisallowsLowCostDownscalesAsync()
{
return(RunTestAsync(async(operationContext, redisAutoscalingAgent) =>
{
var redisInstance = new MockRedisInstance(RedisClusterSize.Parse("P2/1"));
redisAutoscalingAgent.UsedMemoryBytes.Add("7.4 GB".ToSize());
redisAutoscalingAgent.OperationsPerSecond.Add(10000);
var modelOutput = await redisAutoscalingAgent
.EstimateBestClusterSizeAsync(operationContext, redisInstance)
.ThrowIfFailureAsync();
modelOutput
.ScalePath
.Should()
.BeEmpty();
}));
}
