public void SlidingExpirationRenewedByAccessUntilAbsoluteExpiration()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
var key = "myKey";
var value = new StreamWithHeader(new MemoryStream(new byte[1]));
cache.Set(key, value, new StreamCacheEntryOptions()
.SetSlidingExpiration(TimeSpan.FromSeconds(1))
.SetAbsoluteExpiration(TimeSpan.FromSeconds(3)));
var result = cache.Get(key);
Assert.Equal(value, result);
for (var i = 0; i < 5; i++)
{
Thread.Sleep(TimeSpan.FromSeconds(0.5));
result = cache.Get(key);
Assert.Equal(value, result);
}
Thread.Sleep(TimeSpan.FromSeconds(.6));
result = cache.Get(key);
Assert.Null(result);
}
public void SetNullValueThrows()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
MemoryStream value = null;
var key = "myKey";
Assert.Throws <ArgumentNullException>(() => cache.Set(key, value));
}
public void GetMissingKeyReturnsNull()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
var key = "non-existent-key";
var result = cache.Get(key);
Assert.Null(result);
}
public void SetAndGetReturnsObject()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
var value = new StreamWithHeader(new MemoryStream(new byte[1]));
var key = "myKey";
cache.Set(key, value);
var result = cache.Get(key);
Assert.Equal(value, result);
}
public void ZeroRelativeExpirationThrows()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
var key = "myKey";
var value = new StreamWithHeader(new MemoryStream(new byte[1]));
Assert.Throws <ArgumentOutOfRangeException>(nameof(StreamCacheEntryOptions.AbsoluteExpirationRelativeToNow), () =>
{
cache.Set(key, value, new StreamCacheEntryOptions().SetAbsoluteExpiration(TimeSpan.Zero));
}); //"The relative expiration value must be positive.", TimeSpan.Zero);
}
public void NegativeSlidingExpirationThrows()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
var key = "myKey";
var value = new StreamWithHeader(new MemoryStream(new byte[1]));
Assert.Throws <ArgumentOutOfRangeException>(nameof(StreamCacheEntryOptions.SlidingExpiration), () =>
{
cache.Set(key, value, new StreamCacheEntryOptions().SetSlidingExpiration(TimeSpan.FromMinutes(-1)));
}); // "The sliding expiration value must be positive.", TimeSpan.FromMinutes(-1));
}
public void AbsoluteSubSecondExpirationExpiresImmidately()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
var key = "myKey";
var value = new StreamWithHeader(new MemoryStream(new byte[1]));
cache.Set(key, value, new StreamCacheEntryOptions().SetAbsoluteExpiration(TimeSpan.FromSeconds(0.25)));
var result = cache.Get(key);
Assert.Null(result);
}
public void AbsoluteExpirationInThePastThrows()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
var key = "myKey";
var value = new StreamWithHeader(new MemoryStream(new byte[1]));
var expected = DateTimeOffset.Now - TimeSpan.FromMinutes(1);
Assert.Throws <ArgumentOutOfRangeException>(nameof(StreamCacheEntryOptions.AbsoluteExpiration), () =>
{
cache.Set(key, value, new StreamCacheEntryOptions().SetAbsoluteExpiration(expected));
}); //"The absolute expiration value must be in the future.", expected);
}
public void RemoveRemoves()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
var value = new StreamWithHeader(new MemoryStream(new byte[1]));
var key = "myKey";
cache.Set(key, value);
var result = cache.Get(key);
Assert.Equal(value, result);
cache.Remove(key);
result = cache.Get(key);
Assert.Null(result);
}
public void SlidingExpirationExpiresIfNotAccessed()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
var key = "myKey";
var value = new StreamWithHeader(new MemoryStream(new byte[1]));
cache.Set(key, value, new StreamCacheEntryOptions().SetSlidingExpiration(TimeSpan.FromSeconds(1)));
var result = cache.Get(key);
Assert.Equal(value, result);
Thread.Sleep(TimeSpan.FromSeconds(3));
result = cache.Get(key);
Assert.Null(result);
}
public void RelativeExpirationExpires()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
var key = "myKey";
var value = new StreamWithHeader(new MemoryStream(new byte[1]));
cache.Set(key, value, new StreamCacheEntryOptions().SetAbsoluteExpiration(TimeSpan.FromSeconds(1)));
var result = cache.Get(key);
Assert.Equal(value, result);
for (var i = 0; i < 4 && result != null; i++)
{
Thread.Sleep(TimeSpan.FromSeconds(0.5));
result = cache.Get(key);
}
Assert.Null(result);
}
public void SetAlwaysOverwrites()
{
var cache = FileStreamTestConfig.CreateCacheInstance(GetType().Name);
var value1 = new StreamWithHeader(new MemoryStream(new byte[1] {
1
}));
var key = "myKey";
cache.Set(key, value1);
var result = cache.Get(key);
Assert.Equal(value1, result);
var value2 = new StreamWithHeader(new MemoryStream(new byte[1] {
2
}));
cache.Set(key, value2);
result = cache.Get(key);
Assert.Equal(value2, result);
}