Tests for BasicAuthentication

BasicAuthenticationTests.cs

public class BasicAuthenticationTests
{
    public const string Username = "test-123";

    public const string Password = "test-321";

    /// <summary>
    /// A base64 encoded representation of "test-123:test-321"
    /// </summary>
    public const string Base64 = "dGVzdC0xMjM6dGVzdC0zMjE=";

    [Fact]
    public void Initialization_SetsUsernameAndPassword()
    {
        // Act

        var auth = new BasicAuthentication(Username, Password);

        // Assert

        Assert.Equal(Username, auth.Username);
        Assert.Equal(Password, auth.Password);
    }

    [Fact]
    public void Initialization_ThrowsForAnyNullValues()
    {
        // Act / Assert

        Assert.Throws<ArgumentNullException>(() => new BasicAuthentication(Username, null));
        Assert.Throws<ArgumentNullException>(() => new BasicAuthentication(null, Password));
    }

    [Fact]
    public void GetBase64()
    {
        // Act

        var auth = new BasicAuthentication(Username, Password);
        var base64 = auth.GetBase64(Encoding.UTF8);

        // Assert

        Assert.Equal(Base64, base64);
    }

    [Fact]
    public void CreateFromBase64()
    {
        // Act

        var auth = BasicAuthentication.FromBase64(Base64, Encoding.UTF8);

        // Assert

        Assert.Equal(Username, auth.Username);
        Assert.Equal(Password, auth.Password);
    }
}