public void should_call_function_once()
{
_cachedString.Get("Test", _worker.GetString);
_cachedString.Get("Test", _worker.GetString);
_worker.HitCount.Should().Be(1);
}
public T Get <T>()
{
var result = Cached.Get(typeof(T));
if (result == null)
{
return(default(T));
}
return((T)result);
}
public void Get_RefreshesTheValueIfExpired()
{
var called = 0;
var temp = new Cached <int>(1);
var x = temp.Get(() =>
{
called++;
return(-1);
});
Thread.Sleep(10);
x = temp.Get(() =>
{
called++;
return(-1);
});
Assert.IsTrue(called == 2);
}
public void Get_RefreshesTheValueOnFirstRead()
{
var called = false;
var temp = new Cached <int>(1);
var x = temp.Get(() =>
{
called = true;
return(-1);
});
Assert.IsTrue(called);
}
public void Get_UsesTheSuppliedFunctionInsteadOfTheDefaultOne()
{
var called = 0;
var temp = new Cached <int>(() =>
{
called += 10;
return(-1);
}, 1);
var x = temp.Get(() =>
{
called++;
return(-1);
});
Assert.IsTrue(called == 1);
}
public void should_honor_ttl()
{
int hitCount = 0;
_cachedString = new Cached<string>();
for (int i = 0; i < 10; i++)
{
_cachedString.Get("key", () =>
{
hitCount++;
return null;
}, TimeSpan.FromMilliseconds(300));
Thread.Sleep(100);
}
hitCount.Should().BeInRange(3, 6);
}
public void should_honor_ttl()
{
int hitCount = 0;
_cachedString = new Cached <string>();
for (int i = 0; i < 100; i++)
{
_cachedString.Get("key", () =>
{
hitCount++;
return(null);
}, TimeSpan.FromMilliseconds(300));
Thread.Sleep(10);
}
hitCount.Should().BeInRange(3, 6);
}
public void should_clear_expired_when_they_expire()
{
int hitCount = 0;
_cachedString = new Cached <string>();
for (int i = 0; i < 10; i++)
{
_cachedString.Get("key", () =>
{
hitCount++;
return(null);
}, TimeSpan.FromMilliseconds(300));
Thread.Sleep(100);
}
Thread.Sleep(1000);
hitCount.Should().BeInRange(3, 7);
_cachedString.Values.Should().HaveCount(0);
}