public void RemovesExistingValue()
{
var cache = new CacheStorage <string, int>();
cache.Add("1", 1);
Assert.IsTrue(cache.Contains("1"));
cache.Remove("1");
Assert.IsFalse(cache.Contains("1"));
}
public void AutomaticallyRemovesExpiredItemsOfACacheStorageWithDefaultExpirationPolicyInitializationCode()
{
var cache = new CacheStorage <string, int>(() => ExpirationPolicy.Duration(TimeSpan.FromMilliseconds(500)));
cache.Add("1", 1);
Assert.IsTrue(cache.Contains("1"));
ThreadHelper.Sleep(2000);
Assert.IsFalse(cache.Contains("1"));
}
public void AutomaticallyRemovesExpiredItems()
{
var cache = new CacheStorage <string, int>();
cache.Add("1", 1, expiration: new TimeSpan(0, 0, 1));
Assert.IsTrue(cache.Contains("1"));
ThreadHelper.Sleep(2000);
Assert.IsFalse(cache.Contains("1"));
}
public void IsAutomaticallyEnabledWhenStartedDisabledButAddingItemWithCustomExpirationPolicy()
{
var cache = new CacheStorage <string, int>();
cache.ExpirationTimerInterval = TimeSpan.FromMilliseconds(250);
cache.Add("1", 1, expiration: new TimeSpan(0, 0, 0, 0, 250));
Assert.IsTrue(cache.Contains("1"));
ThreadHelper.Sleep(750);
Assert.IsFalse(cache.Contains("1"));
}
public void AutomaticallyRemovesExpiredItems()
{
var cache = new CacheStorage <string, int>();
cache.ExpirationTimerInterval = TimeSpan.FromMilliseconds(250);
cache.Add("1", 1, expiration: new TimeSpan(0, 0, 0, 0, 250));
Assert.IsTrue(cache.Contains("1"));
ThreadHelper.Sleep(750);
Assert.IsFalse(cache.Contains("1"));
}
public void ReturnsTrueForExistingKey()
{
var cache = new CacheStorage <string, int>();
cache.Add("1", 1);
cache.Add("2", 2);
Assert.IsTrue(cache.Contains("2"));
}
public void AddsItemToCacheAndReturnsIt()
{
var cache = new CacheStorage <string, int>();
var value = cache.GetFromCacheOrFetch("1", () => 1);
Assert.IsTrue(cache.Contains("1"));
Assert.AreEqual(1, cache["1"]);
Assert.AreEqual(1, value);
}
public void ReturnsCachedItem()
{
var cache = new CacheStorage <string, int>();
cache.Add("1", 1);
var value = cache.GetFromCacheOrFetch("1", () => 2);
Assert.IsTrue(cache.Contains("1"));
Assert.AreEqual(1, cache["1"]);
Assert.AreEqual(1, value);
}
public void ItemStaysInCacheWhenExpiringEventIsCanceled()
{
var key = "1";
var value = 1;
var cache = new CacheStorage <string, int>();
cache.ExpirationTimerInterval = TimeSpan.FromMilliseconds(250);
cache.Expiring += (sender, e) =>
{
e.Cancel = true;
};
cache.Add(key, value, expiration: new TimeSpan(0, 0, 0, 0, 250));
ThreadHelper.Sleep(750);
Assert.IsTrue(cache.Contains(key));
}
/// <summary>
/// Returns either a list of close contacts or a the value, if the node's storage contains the value for the key.
/// </summary>
public (List <Contact> contacts, string val) FindValue(Contact sender, ID key)
{
Validate.IsFalse <SendingQueryToSelfException>(sender.ID == ourContact.ID, "Sender should not be ourself!");
SendKeyValuesIfNewContact(sender);
bucketList.AddContact(sender);
if (storage.Contains(key))
{
return(null, storage.Get(key));
}
else if (CacheStorage.Contains(key))
{
return(null, CacheStorage.Get(key));
}
else
{
// Exclude sender.
return(bucketList.GetCloseContacts(key, sender.ID), null);
}
}
public static async Task <TimeZoneInfo> TryToDetermineAsync(GeoTagsEntry geoTags)
{
var key = Key + geoTags;
if (CacheStorage.Contains(key))
{
return(CacheStorage.Get <string>(key).As <TimeZoneInfo>());
}
try {
var result = await GoogleApiProvider.DetermineTimeZoneAsync(geoTags);
CacheStorage.Set(key, result);
return(result);
} catch (WebException e) {
Logging.Warning(e.Message);
return(null);
} catch (Exception e) {
Logging.Warning(e);
CacheStorage.Set(key, "");
return(null);
}
}
public static async Task <GeoTagsEntry> TryToLocateAsync([CanBeNull] string address)
{
if (string.IsNullOrWhiteSpace(address))
{
return(null);
}
var key = Key + address;
if (CacheStorage.Contains(key))
{
var cache = CacheStorage.Get <string>(key).As <Point?>();
return(cache.HasValue ? new GeoTagsEntry(cache.Value.X, cache.Value.Y) : null);
}
try {
var result = await YahooApiProvider.LocateAsync(address);
if (result.LatitudeValue.HasValue && result.LongitudeValue.HasValue)
{
Logging.Write($"“{address}”, geo tags: ({result})");
CacheStorage.Set(key, new Point(result.LatitudeValue.Value, result.LongitudeValue.Value).As <string>());
return(result);
}
CacheStorage.Set(key, "");
return(null);
} catch (WebException e) {
Logging.Warning("TryToLocateAsync(): " + e.Message);
return(null);
} catch (Exception e) {
Logging.Warning("TryToLocateAsync(): " + e);
CacheStorage.Set(key, "");
return(null);
}
}
public void AutomaticallyRemovesExpiredItemsOfACacheStorageWithDefaultExpirationPolicyInitializationCode()
{
var cache = new CacheStorage<string, int>(() => ExpirationPolicy.Duration(TimeSpan.FromMilliseconds(250)));
cache.ExpirationTimerInterval = TimeSpan.FromMilliseconds(250);
cache.Add("1", 1);
Assert.IsTrue(cache.Contains("1"));
ThreadHelper.Sleep(750);
Assert.IsFalse(cache.Contains("1"));
}
public void AutomaticallyRemovesExpiredItems()
{
var cache = new CacheStorage<string, int>();
cache.Add("1", 1, expiration: new TimeSpan(0, 0, 1));
Assert.IsTrue(cache.Contains("1"));
ThreadHelper.Sleep(1500);
Assert.IsFalse(cache.Contains("1"));
}
public void ThrowsArgumentNullExceptionForNullKey()
{
var cache = new CacheStorage<string, int>();
ExceptionTester.CallMethodAndExpectException<ArgumentNullException>(() => cache.Contains(null));
}
public void ReturnsTrueForExistingKey()
{
var cache = new CacheStorage<string, int>();
cache.Add("1", 1);
cache.Add("2", 2);
Assert.IsTrue(cache.Contains("2"));
}
public void ReturnsCachedItem()
{
var cache = new CacheStorage<string, int>();
cache.Add("1", 1);
var value = cache.GetFromCacheOrFetch("1", () => 2);
Assert.IsTrue(cache.Contains("1"));
Assert.AreEqual(1, cache["1"]);
Assert.AreEqual(1, value);
}
public void AddsItemToCacheWithOverrideAndReturnsIt()
{
var cache = new CacheStorage<string, int>();
cache.Add("1", 1);
var value = cache.GetFromCacheOrFetch("1", () => 2, true);
Assert.IsTrue(cache.Contains("1"));
Assert.AreEqual(2, cache["1"]);
Assert.AreEqual(2, value);
}
public void RemovesExistingValue()
{
var cache = new CacheStorage<string, int>();
cache.Add("1", 1);
Assert.IsTrue(cache.Contains("1"));
cache.Remove("1");
Assert.IsFalse(cache.Contains("1"));
}
public void ThrowsArgumentNullExceptionForNullKey()
{
var cache = new CacheStorage <string, int>();
ExceptionTester.CallMethodAndExpectException <ArgumentNullException>(() => cache.Contains(null));
}
public void ItemStaysInCacheWhenExpiringEventIsCanceled()
{
var key = "1";
var value = 1;
var cache = new CacheStorage<string, int>();
cache.ExpirationTimerInterval = TimeSpan.FromMilliseconds(250);
cache.Expiring += (sender, e) =>
{
e.Cancel = true;
};
cache.Add(key, value, expiration: new TimeSpan(0, 0, 0, 0, 250));
ThreadHelper.Sleep(750);
Assert.IsTrue(cache.Contains(key));
}
public void IsAutomaticallyEnabledWhenStartedDisabledButAddingItemWithCustomExpirationPolicy()
{
var cache = new CacheStorage<string, int>();
cache.ExpirationTimerInterval = TimeSpan.FromMilliseconds(250);
cache.Add("1", 1, expiration: new TimeSpan(0, 0, 0, 0, 250));
Assert.IsTrue(cache.Contains("1"));
ThreadHelper.Sleep(750);
Assert.IsFalse(cache.Contains("1"));
}
public void AutomaticallyRemovesExpiredItems()
{
var cache = new CacheStorage<string, int>();
cache.ExpirationTimerInterval = TimeSpan.FromMilliseconds(250);
cache.Add("1", 1, expiration: new TimeSpan(0, 0, 0, 0, 250));
Assert.IsTrue(cache.Contains("1"));
ThreadHelper.Sleep(750);
Assert.IsFalse(cache.Contains("1"));
}