public void GetSalt_ReturnsConsistentResult()
{
ISaltProvider provider = new RotatingSaltProvider(new SystemClock(), new NullLogger <RotatingSaltProvider>());
byte[][] salts = Enumerable.Range(0, 12)
.AsParallel()
.Select(i => provider.GetSalt().ToArray())
.ToArray();
byte[] sample = provider.GetSalt().ToArray();
foreach (byte[] salt in salts)
{
CollectionAssert.AreEqual(sample, salt);
}
}
public void GetSalt_RotatesEarlierThen48Hours()
{
Mock <ISystemClock> systemClock = new Mock <ISystemClock>();
systemClock
.SetupGet(c => c.UtcNow)
.Returns(DateTimeOffset.Now);
ISaltProvider provider = new RotatingSaltProvider(systemClock.Object, new NullLogger <RotatingSaltProvider>());
byte[] intialSalt = provider.GetSalt().ToArray();
systemClock
.SetupGet(c => c.UtcNow)
.Returns(DateTimeOffset.Now.AddHours(20));
CollectionAssert.AreEqual(intialSalt, provider.GetSalt().ToArray());
systemClock
.SetupGet(c => c.UtcNow)
.Returns(DateTimeOffset.Now.AddHours(47));
CollectionAssert.AreNotEqual(intialSalt, provider.GetSalt().ToArray());
}