bitwarden-server/test/Core.Test/Utilities/EncryptedStringAttributeTests.cs

using Bit.Core.Utilities;
using Xunit;

namespace Bit.Core.Test.Utilities;

public class EncryptedStringAttributeTests
{
    [Theory]
    [InlineData(null)]
    [InlineData("aXY=|Y3Q=")] // Valid AesCbc256_B64
    [InlineData("aXY=|Y3Q=|cnNhQ3Q=")] // Valid AesCbc128_HmacSha256_B64
    [InlineData("Rsa2048_OaepSha256_B64.cnNhQ3Q=")]
    public void IsValid_ReturnsTrue_WhenValid(string input)
    {
        var sut = new EncryptedStringAttribute();

        var actual = sut.IsValid(input);

        Assert.True(actual);
    }

    [Theory]
    [InlineData("")]
    [InlineData(".")]
    [InlineData("|")]
    [InlineData("!|!")] // Invalid base 64
    [InlineData("Rsa2048_OaepSha1_HmacSha256_B64.1")] // Invalid length
    [InlineData("Rsa2048_OaepSha1_HmacSha256_B64.|")] // Empty iv & ct
    [InlineData("AesCbc128_HmacSha256_B64.1")] // Invalid length
    [InlineData("AesCbc128_HmacSha256_B64.aXY=|Y3Q=|")] // Empty mac
    [InlineData("Rsa2048_OaepSha1_HmacSha256_B64.aXY=|Y3Q=|")] // Empty mac
    [InlineData("Rsa2048_OaepSha256_B64.1|2")] // Invalid length
    [InlineData("Rsa2048_OaepSha1_HmacSha256_B64.aXY=|")] // Empty mac
    public void IsValid_ReturnsFalse_WhenInvalid(string input)
    {
        var sut = new EncryptedStringAttribute();

        var actual = sut.IsValid(input);

        Assert.False(actual);
    }
}