allstarr/allstarr.Tests/SpotifyPlaylistScopeResolverTests.cs

using allstarr.Models.Settings;
using allstarr.Services.Common;

namespace allstarr.Tests;

public class SpotifyPlaylistScopeResolverTests
{
    [Fact]
    public void ResolveConfig_PrefersExactJellyfinIdOverDuplicatePlaylistName()
    {
        var settings = new SpotifyImportSettings
        {
            Playlists =
            {
                new SpotifyPlaylistConfig
                {
                    Name = "Discover Weekly",
                    Id = "spotify-a",
                    JellyfinId = "jellyfin-a",
                    UserId = "user-a"
                },
                new SpotifyPlaylistConfig
                {
                    Name = "Discover Weekly",
                    Id = "spotify-b",
                    JellyfinId = "jellyfin-b",
                    UserId = "user-b"
                }
            }
        };

        var resolved = SpotifyPlaylistScopeResolver.ResolveConfig(
            settings,
            "Discover Weekly",
            userId: "user-a",
            jellyfinPlaylistId: "jellyfin-b");

        Assert.NotNull(resolved);
        Assert.Equal("spotify-b", resolved!.Id);
        Assert.Equal("jellyfin-b", resolved.JellyfinId);
        Assert.Equal("user-b", resolved.UserId);
    }

    [Fact]
    public void GetUserId_PrefersConfiguredValueAndTrimsFallback()
    {
        var configured = new SpotifyPlaylistConfig
        {
            UserId = " configured-user "
        };

        Assert.Equal("configured-user", SpotifyPlaylistScopeResolver.GetUserId(configured, "fallback"));
        Assert.Equal("fallback-user", SpotifyPlaylistScopeResolver.GetUserId(null, " fallback-user "));
        Assert.Null(SpotifyPlaylistScopeResolver.GetUserId(null, "   "));
    }

    [Fact]
    public void GetScopeId_PrefersJellyfinIdThenSpotifyIdThenFallback()
    {
        var jellyfinScoped = new SpotifyPlaylistConfig
        {
            Id = "spotify-id",
            JellyfinId = " jellyfin-id "
        };

        var spotifyScoped = new SpotifyPlaylistConfig
        {
            Id = " spotify-id "
        };

        Assert.Equal("jellyfin-id", SpotifyPlaylistScopeResolver.GetScopeId(jellyfinScoped, "fallback"));
        Assert.Equal("spotify-id", SpotifyPlaylistScopeResolver.GetScopeId(spotifyScoped, "fallback"));
        Assert.Equal("fallback-id", SpotifyPlaylistScopeResolver.GetScopeId(null, " fallback-id "));
        Assert.Null(SpotifyPlaylistScopeResolver.GetScopeId(null, "   "));
    }
}