using AIStudio.Tools.PluginSystem;

namespace AIStudio.Tests.Tools.PluginSystem;

/// <summary>
/// Checks that every type of configuration object has its descriptor.
/// </summary>
/// <remarks>
/// Reading the objects from a configuration plugin and removing the left-over ones go through the
/// descriptors. A type without one would be read by neither: a configuration plugin could define such
/// objects without effect, and the ones a removed plugin left behind would stay in the settings.
/// </remarks>
[TestFixture]
public sealed class PluginConfigurationObjectDescriptorsTests
{
    [Test]
    public void EveryTypeHasExactlyOneDescriptor()
    {
        var describedTypes = PluginConfigurationObjectDescriptors.ALL.Select(descriptor => descriptor.Type).ToList();
        var configurableTypes = Enum.GetValues<PluginConfigurationObjectType>().Where(type => type is not PluginConfigurationObjectType.NONE and not PluginConfigurationObjectType.UNKNOWN);

        Assert.Multiple(() =>
        {
            Assert.That(describedTypes, Is.EquivalentTo(configurableTypes));
            Assert.That(describedTypes, Is.Unique, "A type described twice would be read and cleaned up twice.");
        });
    }
}