public void MachineKey_Protect_ProducesCipherText()
{
var sut = new MachineKeyProtector();
string cipherText = sut.Protect("hello", Purposes.AuthToken);
cipherText.Should().NotBe("hello", "because we expect the clear text to be encryted");
}
public void MachineKey_Protect_WithNullPurpose_ThrowsArgumentNullException()
{
var sut = new MachineKeyProtector();
sut.Invoking(protector => sut.Protect("good", null))
.ShouldThrow <ArgumentNullException>("because we passed invalid input");
}
public void MachineKey_Protect_ThenUnprotect_WithDifferentPurpose_ReturnsNull()
{
string clearText = "hello world";
var sut = new MachineKeyProtector();
string cipherText = sut.Protect(clearText, Purposes.ConnString);
string decrypted = sut.Unprotect(cipherText, Purposes.AuthToken);
decrypted.Should().BeNull("because we did not pass the expected purpose to decrypt");
}
public void MachineKey_Protect_ThenUnprotect_WithSamePurpose_Succeeds()
{
string clearText = "hello world";
var sut = new MachineKeyProtector();
string cipherText = sut.Protect(clearText, Purposes.ConnString);
string decryptedText = sut.Unprotect(cipherText, Purposes.ConnString);
decryptedText.Should()
.Be(clearText, "because we expect the decrypted text to be same as the original clear text");
}