public async Task Load_WhenTogglesOrEtagFileDoesNotExists_ReturnsEmptyResult(
bool toggleCollectionExists,
bool etagExists,
[Frozen] MemoryToggleCollectionCacheSettings settings,
[Frozen] MemoryCache memoryCache,
MemoryToggleCollectionCache cache
)
{
settings.EtagKeyName = "Etag";
settings.ToggleCollectionKeyName = "Toggles";
if (toggleCollectionExists)
{
var toggleCollection = new ToggleCollection();
memoryCache.Set(settings.ToggleCollectionKeyName, toggleCollection);
}
if (toggleCollectionExists && etagExists)
{
var etag = Guid.NewGuid().ToString();
memoryCache.Set(settings.EtagKeyName, etag);
}
var result = await cache.Load(CancellationToken.None);
Assert.Equal(string.Empty, result.InitialETag);
Assert.Null(result.InitialToggleCollection);
}
public async Task Save_WhenEtagIsNull_ThrowsArgumentNullException(
MemoryToggleCollectionCache cache,
ToggleCollection toggleCollection
)
{
await Assert.ThrowsAsync <ArgumentNullException>(() => cache.Save(toggleCollection, null, CancellationToken.None));
}
public async Task Save_WhenToggleCollectionIsNull_ThrowsArgumentNullException(
MemoryToggleCollectionCache cache,
string etag
)
{
await Assert.ThrowsAsync <ArgumentNullException>(() => cache.Save(null, etag, CancellationToken.None));
}
public async Task Load_WhenCancellationTokenIsCanceled_ThrowsOperationCancelledException(
MemoryToggleCollectionCache cache
)
{
var cts = new CancellationTokenSource();
cts.Cancel();
await Assert.ThrowsAsync <OperationCanceledException>(() => cache.Load(cts.Token));
}
public async Task Save_WhenCancellationTokenIsCanceled_ThrowsOperationCancelledException(
MemoryToggleCollectionCache cache,
ToggleCollection toggleCollection,
string etag
)
{
var cts = new CancellationTokenSource();
cts.Cancel();
await Assert.ThrowsAsync <OperationCanceledException>(() => cache.Save(toggleCollection, etag, cts.Token));
}
public async Task Load_WhenValidToggleAndEtagFilesExist_ReturnsExpectedResult(
[Frozen] MemoryToggleCollectionCacheSettings settings,
[Frozen] MemoryCache memoryCache,
ToggleCollection toggleCollection,
string etag
)
{
settings.EtagKeyName = "Etag";
settings.ToggleCollectionKeyName = "Toggles";
memoryCache.Set(settings.ToggleCollectionKeyName, toggleCollection);
memoryCache.Set(settings.EtagKeyName, etag);
var cache = new MemoryToggleCollectionCache(settings, memoryCache);
var result = await cache.Load(CancellationToken.None);
Assert.Equal(etag, result.InitialETag);
Assert.Same(toggleCollection, result.InitialToggleCollection);
}
