public void GivenAnEmptySaltCacheHashWillGenerateSalt()
{
var mockSaltCache = new Mock <ISaltCache>();
var savedSaltKey = "";
var savedSaltValue = "";
mockSaltCache.Setup(s => s.TryAdd(It.IsAny <string>(), It.IsAny <string>())).Callback <string, string>(
(key, value) =>
{
savedSaltKey = key;
savedSaltValue = value;
});
var mockHashProvider = new Mock <IHashProvider>();
var hashResult = new HashResult(Root.Any.String(), Root.Any.String());
mockHashProvider.Setup(h => h.CreateHash(It.IsAny <string>(), It.IsAny <string>())).Returns(hashResult);
var sut = new HashRepository(mockHashProvider.Object, mockSaltCache.Object, true);
const string unhashed = "unhashed";
var entity = new WordMetric(unhashed, unhashed, Root.Any.Integer(), null);
var hashedEntities = sut.Hash(new[] { entity });
var hashedEntity = hashedEntities.First();
Assert.IsFalse(unhashed == hashedEntity.Id);
Assert.AreEqual(hashResult.Hash, hashedEntity.Id);
Assert.AreEqual(hashResult.Salt, hashedEntity.Salt);
Assert.AreEqual(hashResult.Salt, savedSaltValue);
Assert.AreEqual(unhashed, savedSaltKey);
}
public void GivenWordWhichExistsInTheCacheThenHashWillReuseSalt()
{
var mockSaltCache = new Mock <ISaltCache>();
var knownSalt = Root.Any.String();
var knownWord = Root.Any.String();
mockSaltCache.Setup(s => s.Get(knownWord)).Returns(knownSalt);
var mockHashProvider = new Mock <IHashProvider>();
var hashResult = new HashResult(Root.Any.String(), knownSalt);
mockHashProvider.Setup(h => h.CreateHash(knownWord, knownSalt)).Returns(hashResult);
var sut = new HashRepository(mockHashProvider.Object, mockSaltCache.Object, true);
var entity = new WordMetric(knownWord, knownWord, Root.Any.Integer(), null);
var hashedEntities = sut.Hash(new[] { entity });
mockHashProvider.Verify(h => h.CreateHash(knownWord, knownSalt), Times.Once);
}
