public void ThrowsArgumentNullException_When_KeyIsInvalid(string key)
{
// arrange / act
var action = new Action(() => _sut.GetItemAsString(key));
// assert
Assert.Throws <ArgumentNullException>(action);
}
public async ValueTask <string> GetItem(string key)
{
Logger.LogDebug("Getting item {key}", key);
var content = String.Empty;
if (LocalStorageService.ContainKey(key))
{
Logger.LogDebug("Item {key} exists in the local storage; loading", key);
content = LocalStorageService.GetItemAsString(key);
}
return(await Task.FromResult(content));
}