public void ClearCanThrowExceptions()
{
// Arrange
var actualLogger = new TraceSourceLogger(_logger);
var cacheAccessor = NSubstitute.Substitute.For <ICacheAccessor>();
cacheAccessor.WhenForAnyArgs(c => c.Clear()).Throw(new InvalidOperationException());
var storage = new MsalCacheStorage(s_storageCreationProperties, cacheAccessor, actualLogger);
// Act
storage.Clear();
// Assert
AssertException.Throws <InvalidOperationException>(
() => storage.Clear(ignoreExceptions: false));
}
/// <summary>
/// Notification that is triggered after token acquisition.
/// </summary>
/// <param name="args">Arguments related to the cache item impacted</param>
public override void AfterAccessNotification(TokenCacheNotificationArgs args)
{
MsalCacheStorage cacheStorage = GetMsalCacheStorage();
args.AssertNotNull(nameof(args));
try
{
if (args.HasStateChanged)
{
cacheStorage.WriteData(args.TokenCache.SerializeMsalV3());
}
}
catch (Exception)
{
cacheStorage.Clear();
throw;
}
finally
{
CrossPlatformLock localDispose = cacheLock;
cacheLock = null;
localDispose?.Dispose();
}
}
public void MsalTestClear()
{
var store = new MsalCacheStorage(s_storageCreationProperties, logger: _logger);
Assert.IsTrue(store.HasChanged);
var tempData = store.ReadData();
Assert.IsFalse(store.HasChanged);
var store2 = new MsalCacheStorage(s_storageCreationProperties, logger: _logger);
Assert.IsNotNull(Exception <ArgumentNullException>(() => store.WriteData(null)));
byte[] data = { 2, 2, 3 };
store.WriteData(data);
Assert.IsFalse(store.HasChanged);
Assert.IsTrue(store2.HasChanged);
store2.ReadData();
Enumerable.SequenceEqual(store.ReadData(), data);
Assert.IsTrue(File.Exists(CacheFilePath));
store.Clear();
Assert.IsFalse(store.HasChanged);
Assert.IsTrue(store2.HasChanged);
Assert.IsFalse(store.ReadData().Any());
Assert.IsFalse(store2.ReadData().Any());
Assert.IsFalse(File.Exists(CacheFilePath));
}
/// <summary>
/// Notification that is triggered before token acquisition.
/// </summary>
/// <param name="args">Arguments related to the cache item impacted</param>
public override void BeforeAccessNotification(TokenCacheNotificationArgs args)
{
MsalCacheStorage cacheStorage = GetMsalCacheStorage();
args.AssertNotNull(nameof(args));
try
{
cacheLock = new CrossPlatformLock($"{CacheFilePath}.lockfile");
cacheLock.CreateLockAsync().ConfigureAwait(false);
args.TokenCache.DeserializeMsalV3(cacheStorage.ReadData());
}
catch (Exception)
{
cacheStorage.Clear();
throw;
}
}