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));
}
public void MsalNewStoreNoFile()
{
var store = new MsalCacheStorage(s_storageCreationProperties, logger: _logger);
Assert.IsFalse(store.HasChanged);
Assert.IsFalse(store.ReadData().Any());
}
public void ReadCanThrowExceptions()
{
// Arrange
var actualLogger = new TraceSourceLogger(_logger);
var cacheAccessor = NSubstitute.Substitute.For <ICacheAccessor>();
cacheAccessor.Read().Throws(new InvalidOperationException());
var storage = new MsalCacheStorage(s_storageCreationProperties, cacheAccessor, actualLogger);
// Act
byte[] result = storage.ReadData();
Assert.AreEqual(0, result.Length);
// Assert
AssertException.Throws <InvalidOperationException>(
() => storage.ReadData(ignoreExceptions: false));
}
public void MsalWriteGoodData()
{
var store = new MsalCacheStorage(s_storageCreationProperties, logger: _logger);
Assert.ThrowsException <ArgumentNullException>(() => store.WriteData(null));
byte[] data = { 2, 2, 3 };
byte[] data2 = { 2, 2, 3, 4, 4 };
store.WriteData(data);
Assert.IsTrue(Enumerable.SequenceEqual(store.ReadData(), data));
store.WriteData(data);
store.WriteData(data2);
store.WriteData(data);
store.WriteData(data2);
Assert.IsTrue(Enumerable.SequenceEqual(store.ReadData(), data2));
}
public void MsalWriteEmptyData()
{
var store = new MsalCacheStorage(s_storageCreationProperties, logger: _logger);
Assert.ThrowsException <ArgumentNullException>(() => store.WriteData(null));
store.WriteData(new byte[0]);
Assert.IsFalse(store.ReadData().Any());
}
public void CacheStorageReadCanHandleReadingNull()
{
// Arrange
var cacheAccessor = NSubstitute.Substitute.For <ICacheAccessor>();
cacheAccessor.Read().Returns((byte[])null);
var actualLogger = new TraceSourceLogger(_logger);
var storage = new MsalCacheStorage(s_storageCreationProperties, cacheAccessor, actualLogger);
// Act
byte[] result = storage.ReadData();
// Assert
Assert.AreEqual(0, result.Length);
}
public void CacheStorageReadCanHandleExceptionsWhenReading()
{
// Arrange
var cacheAccessor = NSubstitute.Substitute.For <ICacheAccessor>();
var exception = new InvalidOperationException();
cacheAccessor.Read().Throws(exception);
var actualLogger = new TraceSourceLogger(_logger);
var storage = new MsalCacheStorage(s_storageCreationProperties, cacheAccessor, actualLogger);
// Act
byte[] result = storage.ReadData();
// Assert
Assert.AreEqual(0, result.Length);
}
/// <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;
}
}
public void CacheStorageCanHandleMultipleExceptionsWhenReading()
{
// Arrange
var stringListener = new TraceStringListener();
var cacheAccessor = Substitute.For <ICacheAccessor>();
var exception = new InvalidOperationException("some error");
cacheAccessor.Read().Throws(exception);
cacheAccessor.When((x) => x.Clear()).Do(x => throw exception);
_logger.Listeners.Add(stringListener);
var actualLogger = new TraceSourceLogger(_logger);
var storage = new MsalCacheStorage(s_storageCreationProperties, cacheAccessor, actualLogger);
// Act
byte[] result = storage.ReadData();
// Assert
Assert.AreEqual(0, result.Length);
Assert.IsTrue(stringListener.CurrentLog.Contains("TestSource Error"));
Assert.IsTrue(stringListener.CurrentLog.Contains("InvalidOperationException"));
Assert.IsTrue(stringListener.CurrentLog.Contains("some error"));
}