public void TryGet_ChecksLocalCacheThenDistributedCache()
{
var localCache = new MockLocalCache <int, int>();
var distributedCache = new MockDistributedCache <int, int>();
var twoTierCache = new TwoTierCache <int, int>(localCache, distributedCache, EqualityComparer <int> .Default);
for (var i = 1; i <= 100; i++)
{
twoTierCache.TryGet(i).Result.Success.Should().BeFalse();
localCache.TryGetExecutionCount.Should().Be(i);
distributedCache.TryGetExecutionCount.Should().Be(i);
}
for (var i = 1; i <= 100; i++)
{
twoTierCache.Set(i, i, TimeSpan.FromSeconds(1)).AsTask().Wait();
localCache.SetExecutionCount.Should().Be(i);
distributedCache.SetExecutionCount.Should().Be(i);
}
for (var i = 1; i <= 100; i++)
{
var(success, value, _) = twoTierCache.TryGet(i).Result;
success.Should().BeTrue();
value.Should().Be(i);
localCache.TryGetExecutionCount.Should().Be(100 + i);
distributedCache.TryGetExecutionCount.Should().Be(100);
}
}
public void GetMany_SetsValueInLocalCacheIfFoundInDistributedCache()
{
var localCache = new MockLocalCache <int, int>();
var distributedCache = new MockDistributedCache <int, int>();
var twoTierCache = new TwoTierCache <int, int>(localCache, distributedCache, EqualityComparer <int> .Default);
distributedCache
.SetMany(Enumerable.Range(0, 50).Select(i => new KeyValuePair <int, int>(i, i)).ToArray(), TimeSpan.FromSeconds(1))
.Wait();
distributedCache.SetManyExecutionCount.Should().Be(1);
var values1 = twoTierCache.GetMany(Enumerable.Range(0, 100).ToArray()).Result;
values1.Select(kv => kv.Key).Should().BeEquivalentTo(Enumerable.Range(0, 50));
localCache.GetManyExecutionCount.Should().Be(1);
localCache.SetExecutionCount.Should().Be(50);
distributedCache.GetManyExecutionCount.Should().Be(1);
var values2 = twoTierCache.GetMany(Enumerable.Range(0, 50).ToArray()).Result;
values2.Select(kv => kv.Key).Should().BeEquivalentTo(Enumerable.Range(0, 50));
localCache.GetManyExecutionCount.Should().Be(2);
distributedCache.GetManyExecutionCount.Should().Be(1);
}
public void TryGet_SetsValueInLocalCacheIfFoundInDistributedCache()
{
var localCache = new MockLocalCache <int, int>();
var distributedCache = new MockDistributedCache <int, int>();
var twoTierCache = new TwoTierCache <int, int>(localCache, distributedCache, EqualityComparer <int> .Default);
for (var i = 1; i <= 100; i++)
{
distributedCache.Set(i, i, TimeSpan.FromSeconds(100));
distributedCache.SetExecutionCount.Should().Be(i);
}
for (var i = 1; i <= 100; i++)
{
var(success, value, _) = twoTierCache.TryGet(i).Result;
success.Should().BeTrue();
value.Should().Be(i);
localCache.SetExecutionCount.Should().Be(i);
localCache.TryGet(i, out var fromLocalCache).Should().BeTrue();
fromLocalCache.Should().Be(i);
}
}
public void GetMany_ChecksLocalCacheThenDistributedCache()
{
var localCache = new MockLocalCache <int, int>();
var distributedCache = new MockDistributedCache <int, int>();
var twoTierCache = new TwoTierCache <int, int>(localCache, distributedCache, EqualityComparer <int> .Default);
twoTierCache.GetMany(Enumerable.Range(0, 100).ToArray()).Result.Should().BeEmpty();
localCache.GetManyExecutionCount.Should().Be(1);
distributedCache.GetManyExecutionCount.Should().Be(1);
twoTierCache.SetMany(Enumerable.Range(0, 50).Select(i => new KeyValuePair <int, int>(i, i)).ToArray(), TimeSpan.FromSeconds(1));
localCache.SetManyExecutionCount.Should().Be(1);
distributedCache.SetManyExecutionCount.Should().Be(1);
var results1 = twoTierCache.GetMany(Enumerable.Range(0, 100).ToArray()).Result;
results1.Select(kv => kv.Key).Should().BeEquivalentTo(Enumerable.Range(0, 50));
foreach (var(key, value) in results1)
{
value.Should().Be(key);
}
localCache.GetManyExecutionCount.Should().Be(2);
distributedCache.GetManyExecutionCount.Should().Be(2);
var results2 = twoTierCache.GetMany(Enumerable.Range(0, 50).ToArray()).Result;
results2.Select(kv => kv.Key).Should().BeEquivalentTo(Enumerable.Range(0, 50));
foreach (var(key, value) in results2)
{
value.Should().Be(key);
}
localCache.GetManyExecutionCount.Should().Be(3);
distributedCache.GetManyExecutionCount.Should().Be(2);
}
