using ZB.MOM.WW.ScadaBridge.Security;
using Xunit;

namespace ZB.MOM.WW.ScadaBridge.Security.Tests;

/// <summary>
/// Pins the role-name string literals and the contents of <see cref="Roles.All"/>.
/// The two-person Secured Writes feature introduces the
/// <c>Operator</c> (initiates) and <c>Verifier</c> (approves) global roles.
/// </summary>
public class RolesTests
{
    /// <summary>Verifies that the Operator constant has its canonical value.</summary>
    [Fact]
    public void OperatorConst_HasCanonicalValue()
    {
        Assert.Equal("Operator", Roles.Operator);
    }

    /// <summary>Verifies that the Verifier constant has its canonical value.</summary>
    [Fact]
    public void VerifierConst_HasCanonicalValue()
    {
        Assert.Equal("Verifier", Roles.Verifier);
    }

    /// <summary>Verifies that the role list still contains the original four roles.</summary>
    [Fact]
    public void All_StillContainsOriginalFourRoles()
    {
        Assert.Contains(Roles.Administrator, Roles.All);
        Assert.Contains(Roles.Designer, Roles.All);
        Assert.Contains(Roles.Deployer, Roles.All);
        Assert.Contains(Roles.Viewer, Roles.All);
    }

    /// <summary>Verifies that the role list contains the Operator and Verifier roles.</summary>
    [Fact]
    public void All_ContainsOperatorAndVerifier()
    {
        Assert.Contains("Operator", Roles.All);
        Assert.Contains("Verifier", Roles.All);
    }

    /// <summary>Verifies that the authorization policies declare the Operator and Verifier policy names.</summary>
    [Fact]
    public void AuthorizationPolicies_DeclareOperatorAndVerifierPolicyNames()
    {
        Assert.Equal("RequireOperator", AuthorizationPolicies.RequireOperator);
        Assert.Equal("RequireVerifier", AuthorizationPolicies.RequireVerifier);
    }
}