public void CanScaleBetween(string fromString, string toString)
{
var from = RedisClusterSize.TryParse(fromString).ThrowIfFailure();
var to = RedisClusterSize.TryParse(toString).ThrowIfFailure();
Assert.True(RedisScalingUtilities.CanScale(from, to));
}
public void CantScaleIfEitherInstanceOrPlanChanges()
{
var cantScaleRelation =
from source in RedisClusterSize.Instances
from target in RedisClusterSize.Instances
where !source.Equals(target)
where !RedisScalingUtilities.CanScale(source, target)
select(source, target);
foreach (var(source, target) in cantScaleRelation)
{
(!source.Tier.Equals(target.Tier) || source.Shards != target.Shards).Should().BeTrue($"{source} -> {target}");
}
}
public void CanChangeShardsWithinSameTier()
{
foreach (var group in RedisClusterSize.Instances.GroupBy(size => size.Tier))
{
var instances = group.ToList();
foreach (var inst1 in instances)
{
foreach (var inst2 in instances)
{
Assert.True(RedisScalingUtilities.CanScale(inst1, inst2));
}
}
}
}
public void CanScaleAcrossPremiumPlansWhenShardsRemainEqual()
{
foreach (var group in RedisClusterSize
.Instances
.Where(size => size.Tier.Plan == RedisPlan.Premium)
.GroupBy(size => size.Shards))
{
var instances = group.ToList();
foreach (var inst1 in instances)
{
foreach (var inst2 in instances)
{
Assert.True(RedisScalingUtilities.CanScale(inst1, inst2));
}
}
}
}