public void ReturnsNullWhenObjectDoesNotExist()
{
IExpiryProvider expiryProvider = Substitute.For <IExpiryProvider>();
IStorage storage = new InMemoryStorage(expiryProvider);
byte[] objFromBytes;
bool success = storage.TryGet("lorem ipsum", out objFromBytes);
Assert.Null(objFromBytes);
Assert.False(success);
}
public void CanClear()
{
IExpiryProvider expiryProvider = Substitute.For <IExpiryProvider>();
IStorage storage = new InMemoryStorage(expiryProvider);
storage.AddOrUpdate("first", DateTime.MaxValue, new byte[0]);
storage.AddOrUpdate("second", DateTime.MaxValue, new byte[0]);
storage.Dispose();
Assert.Equal(storage.Count, 0);
}
public void Contains_ReturnsTrueWhenDataDoesNotExist()
{
IExpiryProvider expiryProvider = Substitute.For <IExpiryProvider>();
IStorage storage = new InMemoryStorage(expiryProvider);
string key = "lorem ipsum";
bool result = storage.Contains(key);
Assert.False(result);
}
public void Contains_ReturnsTrueWhenDataExists()
{
IExpiryProvider expiryProvider = Substitute.For <IExpiryProvider>();
IStorage storage = new InMemoryStorage(expiryProvider);
string key = "lorem ipsum";
storage.AddOrUpdate(key, DateTime.MaxValue, new byte[0]);
storage.AddOrUpdate("second", DateTime.MaxValue, new byte[0]);
bool result = storage.Contains(key);
Assert.True(result);
}
public void CanInsertAndGetObject()
{
string key = "key";
string objectWord = "lorem ipsum";
IExpiryProvider expiryProvider = Substitute.For <IExpiryProvider>();
IStorage storage = new InMemoryStorage(expiryProvider); storage.AddOrUpdate(key, DateTime.MaxValue, Encoding.UTF8.GetBytes(objectWord));
byte[] objFromBytes;
bool success = storage.TryGet(key, out objFromBytes);
string stringFromBytes = Encoding.UTF8.GetString(objFromBytes);
Assert.True(success);
Assert.Equal(objectWord, stringFromBytes);
}
public void TryRemove_DoestNotRemoveEntryFromStorageWhenKeyDoesNotExist()
{
byte[] package = Encoding.UTF8.GetBytes("lorem ipsum");
const string firstKey = "key1";
const string secondKey = "key2";
IExpiryProvider expiryProvider = Substitute.For <IExpiryProvider>();
IStorage storage = new InMemoryStorage(expiryProvider);
storage.AddOrUpdate(firstKey, DateTime.MaxValue, package);
bool deleted = storage.TryRemove(secondKey);
Assert.False(deleted);
Assert.Equal(storage.Count, 1);
}
public void CanUpdateExistingObject()
{
string key = "key";
string first = "first";
string second = "second";
IExpiryProvider expiryProvider = Substitute.For <IExpiryProvider>();
IStorage storage = new InMemoryStorage(expiryProvider);
byte[] firstObject = Encoding.UTF8.GetBytes(first);
byte[] secondObject = Encoding.UTF8.GetBytes(second);
storage.AddOrUpdate(key, DateTime.MaxValue, firstObject);
storage.AddOrUpdate(key, DateTime.MaxValue, secondObject);
byte[] objFromBytes;
bool success = storage.TryGet(key, out objFromBytes);
string stringFromBytes = Encoding.UTF8.GetString(objFromBytes);
Assert.True(success);
Assert.Equal(stringFromBytes, second);
}
public InMemoryStorage(IExpiryProvider expiryProvider)
{
_expiryProvider = expiryProvider;
_expiryProvider.Start(_storage, _cancelToken.Token);
}
