public void CreateHash_NullInput_Throws()
{
// Arrange
var algorithm = new SHA1();
// Act && Assert
Assert.Throws <ArgumentNullException>(() => algorithm.CreateHash(null));
}
public void IsThisAlgorithm_ValidInput_ReturnsTrue()
{
// Arrange
var algorithm = new SHA1();
// Act
var hash = algorithm.CreateHash("Hello world");
var isThisAlgorithm = algorithm.IsThisAlgorithm(hash);
// Assert
Assert.True(isThisAlgorithm);
}
public void CreateHash_ProperInput_Hashes()
{
// Arrange
var algorithm = new SHA1();
// Act
var hash = algorithm.CreateHash("Hello world");
// Assert
Assert.NotNull(hash);
Assert.Equal(algorithm.HashLength, hash.Length);
}
public void CreateHash_EmptyInput_Hashes()
{
// Arrange
var algorithm = new SHA1();
// Act
var hash = algorithm.CreateHash(string.Empty);
// Assert
Assert.NotNull(hash);
Assert.Equal(algorithm.HashLength, hash.Length);
}
public void ValidateHash_MatchingHash_ReturnsTrue()
{
// Arrange
var algorithm = new SHA1();
// Act
var helloWorldHash = algorithm.CreateHash("Hello world");
var validHash = algorithm.ValidateHash("Hello world", helloWorldHash);
// Assert
Assert.True(validHash);
}
public void ValidateHash_NotMatchingHash_ReturnsFalse()
{
// Arrange
var algorithm = new SHA1();
// Act
var helloWorldHash = algorithm.CreateHash("Hello world");
var validHash = algorithm.ValidateHash("Definately not hello world", helloWorldHash);
// Assert
Assert.False(validHash);
}
