public void GetCodeBadHashAlgotithm()
{
var options = GetOptions();
var service = new AuthenticatorService(options, new DefaultSystemTime());
Assert.Throws <ArgumentException>(() => service.GetCode((HashAlgorithmType)100, Encoding.UTF8.GetBytes("test"), 8, 30));
}
public void GetCodeInvalidPeriodInSeconds(byte periodInSeconds)
{
var options = GetOptions();
var service = new AuthenticatorService(options, new DefaultSystemTime());
var ex = Assert.Throws <ArgumentException>(() => service.GetCode(HashAlgorithmType.SHA1, Encoding.UTF8.GetBytes("12345678901234567890"), 6, periodInSeconds));
Assert.Equal("The period must be at least 30 seconds.", ex.Message);
}
public void GetCodeInvalidNumberOfDigits(byte numberOfDigit)
{
var options = GetOptions();
var service = new AuthenticatorService(options, new DefaultSystemTime());
var ex = Assert.Throws <ArgumentException>(() => service.GetCode(HashAlgorithmType.SHA1, Encoding.UTF8.GetBytes("12345678901234567890"), numberOfDigit, 30));
Assert.Equal("The number of digits must be between 6 and 8.", ex.Message);
}
public void GetCodeTest(long time, int expectedCode, HashAlgorithmType hashAlgorithm, string secret)
{
//https://tools.ietf.org/html/rfc6238#appendix-B
var systemTime = new Mock <ISystemTime>(MockBehavior.Strict);
systemTime
.Setup(a => a.GetUtcNow())
.Returns(UnixEpoch.AddSeconds(time))
.Verifiable();
var options = GetOptions();
var service = new AuthenticatorService(options, systemTime.Object);
var code = service.GetCode(hashAlgorithm, Encoding.UTF8.GetBytes(secret), 8, 30);
Assert.Equal(expectedCode, code);
systemTime.Verify();
}