public static IUnleashServiceCollection WithDistributedToggleCollectionCache(
this IUnleashServiceCollection serviceCollection,
Action <DistributedToggleCollectionCacheSettings> settingsConfigurator = null)
{
if (serviceCollection == null)
{
throw new ArgumentNullException(nameof(serviceCollection));
}
var settings = new DistributedToggleCollectionCacheSettings();
if (serviceCollection.UnleashConfiguration != null)
{
var section = serviceCollection.UnleashConfiguration.GetSection("Caching:Distributed");
section.Bind(settings);
}
settingsConfigurator?.Invoke(settings);
SettingsValidator.Validate(settings);
serviceCollection.AddSingleton(settings);
serviceCollection.WithToggleCollectionCache <DistributedToggleCollectionCache>();
return(serviceCollection);
}
public async Task Load_WhenTogglesOrEtagFileDoesNotExists_ReturnsEmptyResult(
bool toggleCollectionExists,
bool etagExists,
[Frozen] DistributedToggleCollectionCacheSettings settings,
[Frozen] MemoryDistributedCache distributedCache,
DistributedToggleCollectionCache cache
)
{
var jsonSerializerSettings = new NewtonsoftJsonSerializerSettings();
var jsonSerializer = new NewtonsoftJsonSerializer(jsonSerializerSettings);
settings.EtagKeyName = "Etag";
settings.ToggleCollectionKeyName = "Toggles";
if (toggleCollectionExists)
{
var toggleCollection = new ToggleCollection();
using (var ms = new MemoryStream())
{
jsonSerializer.Serialize(ms, toggleCollection);
ms.Seek(0, SeekOrigin.Begin);
await distributedCache.SetAsync(settings.ToggleCollectionKeyName, ms.ToArray(), settings.ToggleCollectionEntryOptions, CancellationToken.None).ConfigureAwait(false);
}
}
if (toggleCollectionExists && etagExists)
{
var etag = Guid.NewGuid().ToString();
distributedCache.SetString(settings.EtagKeyName, etag);
}
var result = await cache.Load(CancellationToken.None);
Assert.Equal(string.Empty, result.InitialETag);
Assert.Null(result.InitialToggleCollection);
}
public async Task Load_WhenValidToggleAndEtagFilesExist_ReturnsExpectedResult(
[Frozen] MemoryDistributedCache distributedCache,
ToggleCollection toggleCollection,
string etag
)
{
var jsonSerializerSettings = new NewtonsoftJsonSerializerSettings();
var jsonSerializer = new NewtonsoftJsonSerializer(jsonSerializerSettings);
var settings = new DistributedToggleCollectionCacheSettings
{
EtagEntryOptions =
{
AbsoluteExpirationRelativeToNow = TimeSpan.FromHours(1)
},
ToggleCollectionEntryOptions =
{
AbsoluteExpirationRelativeToNow = TimeSpan.FromHours(1)
}
};
using (var ms = new MemoryStream())
{
jsonSerializer.Serialize(ms, toggleCollection);
ms.Seek(0, SeekOrigin.Begin);
await distributedCache.SetAsync(settings.ToggleCollectionKeyName, ms.ToArray(), settings.ToggleCollectionEntryOptions, CancellationToken.None).ConfigureAwait(false);
await distributedCache.SetStringAsync(settings.EtagKeyName, etag, settings.EtagEntryOptions, CancellationToken.None).ConfigureAwait(false);
}
var cache = new DistributedToggleCollectionCache(settings, distributedCache, jsonSerializer);
var result = await cache.Load(CancellationToken.None);
Assert.Equal(etag, result.InitialETag);
AssertionUtils.AssertToggleCollectionsEquivalent(toggleCollection, result.InitialToggleCollection);
}
