public void Decrypt_WithIncorrectArguments()
{
// Arrange
AesEncryptor aes = new AesEncryptor();
// Act & Assert
Assert.Throws <ArgumentNullException>(() => aes.DecryptMessage(null, "test"));
Assert.Throws <ArgumentNullException>(() => aes.DecryptMessage(new Message(), "test"));
Assert.Throws <ArgumentNullException>(() => aes.DecryptMessage(new Message {
Value = new byte[5]
}, null));
Assert.Throws <ArgumentNullException>(() => aes.DecryptMessage(new Message {
Value = new byte[5]
}, ""));
}
public void Decrypt_WithIncorrectKey()
{
// Arrange
AesEncryptor aes = new AesEncryptor();
string value = "Test message";
string key = "Test Key";
// Act
Message message = aes.EncryptMessage(value, key);
string decryptValue = aes.DecryptMessage(message, "incorrect key");
// Assert
Assert.Null(decryptValue);
}
public void CheckEncryptionForSymetric()
{
// Arrange
AesEncryptor aes = new AesEncryptor();
string value = "Test message";
string key = "Test Key";
// Act
Message message = aes.EncryptMessage(value, key);
string decryptValue = aes.DecryptMessage(message, key);
// Assert
Assert.Equal(value, decryptValue);
}
