public void WhenTheValueIsAlreadyCached_ThenItIsNotRetrievedASecondTime()
{
var strategyIsUsed = false;
var cacheProvider = new DefaultCacheProvider(new DefaultRetryPolicy(3), 10);
var value = cacheProvider.GetValue("TEST", () => false);
value = cacheProvider.GetValue("TEST", () =>
{
strategyIsUsed = true;
return true;
});
Assert.That(strategyIsUsed, Is.False);
Assert.That(value, Is.False);
}
public void WhenTheValueIsAlreadyCached_ThenItIsNotRetrievedASecondTime()
{
var strategyIsUsed = false;
var cacheProvider = new DefaultCacheProvider(new DefaultRetryPolicy(3), 10);
var value = cacheProvider.GetValue("TEST", () => false);
value = cacheProvider.GetValue("TEST", () =>
{
strategyIsUsed = true;
return(true);
});
Assert.That(strategyIsUsed, Is.False);
Assert.That(value, Is.False);
}
public void WhenTheCacheExpirationPeriodHasExpired_ThenTheValueIsRetrievedUsingTheStrategy()
{
var strategyIsUsed = false;
var cacheProvider = new DefaultCacheProvider(new DefaultRetryPolicy(3), 0.1);
var value = cacheProvider.GetValue("TEST", () => false);
Thread.Sleep(TimeSpan.FromSeconds(10));
value = cacheProvider.GetValue("TEST", () =>
{
strategyIsUsed = true;
return true;
});
Assert.That(strategyIsUsed, Is.True);
Assert.That(value, Is.True);
}
public void WhenTheCacheExpirationPeriodHasExpired_ThenTheValueIsRetrievedUsingTheStrategy()
{
var strategyIsUsed = false;
var cacheProvider = new DefaultCacheProvider(new DefaultRetryPolicy(3), 0.1);
var value = cacheProvider.GetValue("TEST", () => false);
Thread.Sleep(TimeSpan.FromSeconds(10));
value = cacheProvider.GetValue("TEST", () =>
{
strategyIsUsed = true;
return(true);
});
Assert.That(strategyIsUsed, Is.True);
Assert.That(value, Is.True);
}
public void WhenTheValueIsNotCached_ThenItIsRetrievedUsingTheSpecifiedStrategy()
{
var strategyIsUsed = false;
var cacheProvider = new DefaultCacheProvider(new DefaultRetryPolicy(3), 10);
var value = cacheProvider.GetValue("TEST", () =>
{
strategyIsUsed = true;
return true;
});
Assert.That(strategyIsUsed, Is.True);
Assert.That(value, Is.True);
}
public void WhenTheValueIsNotCached_ThenItIsRetrievedUsingTheSpecifiedStrategy()
{
var strategyIsUsed = false;
var cacheProvider = new DefaultCacheProvider(new DefaultRetryPolicy(3), 10);
var value = cacheProvider.GetValue("TEST", () =>
{
strategyIsUsed = true;
return(true);
});
Assert.That(strategyIsUsed, Is.True);
Assert.That(value, Is.True);
}
public void WhenTheStrategyResultsInAnException_ThenItIsRetriedAConfigurableNumberOfTimes(int retries)
{
var attempts = 0;
var cacheProvider = new DefaultCacheProvider(new DefaultRetryPolicy(retries), 0.1);
var value = cacheProvider.GetValue<bool>("TEST", () =>
{
attempts++;
if (attempts != retries) throw new Exception();
return true;
});
Assert.That(attempts, Is.EqualTo(retries));
}
public void WhenTheStrategyResultsInAnException_ThenItIsRetriedAConfigurableNumberOfTimes(int retries)
{
var attempts = 0;
var cacheProvider = new DefaultCacheProvider(new DefaultRetryPolicy(retries), 0.1);
var value = cacheProvider.GetValue <bool>("TEST", () =>
{
attempts++;
if (attempts != retries)
{
throw new Exception();
}
return(true);
});
Assert.That(attempts, Is.EqualTo(retries));
}