allstarr/allstarr.Tests/JellyfinSearchResponseSerializationTests.cs

using System.Reflection;
using System.Text.Json;
using allstarr.Controllers;
using allstarr.Models.Jellyfin;

namespace allstarr.Tests;

public class JellyfinSearchResponseSerializationTests
{
    [Fact]
    public void SerializeSearchResponseJson_PreservesPascalCaseShape()
    {
        var payload = new JellyfinItemsResponse
        {
            Items =
            [
                new Dictionary<string, object?>
                {
                    ["Name"] = "BTS",
                    ["Type"] = "MusicAlbum"
                }
            ],
            TotalRecordCount = 1,
            StartIndex = 0
        };

        var method = typeof(JellyfinController).GetMethod(
            "SerializeSearchResponseJson",
            BindingFlags.NonPublic | BindingFlags.Static);

        Assert.NotNull(method);

        var json = (string)method!.Invoke(null, new object?[] { payload })!;

        Assert.Equal(
            "{\"Items\":[{\"Name\":\"BTS\",\"Type\":\"MusicAlbum\"}],\"TotalRecordCount\":1,\"StartIndex\":0}",
            json);
    }

    [Fact]
    public void SerializeSearchResponseJson_FallsBackForMixedRuntimeShapes()
    {
        using var rawDoc = JsonDocument.Parse("""
            {
              "ServerId": "c17d351d3af24c678a6d8049c212d522",
              "RunTimeTicks": 2234068710
            }
            """);

        var payload = new JellyfinItemsResponse
        {
            Items =
            [
                new Dictionary<string, object?>
                {
                    ["Name"] = "Harleys in Hawaii",
                    ["Type"] = "MusicAlbum",
                    ["MediaSources"] = new Dictionary<string, object?>[]
                    {
                        new Dictionary<string, object?>
                        {
                            ["RunTimeTicks"] = 2234068710L,
                            ["MediaAttachments"] = new List<object>(),
                            ["Formats"] = new List<string>(),
                            ["RequiredHttpHeaders"] = new Dictionary<string, string>()
                        }
                    },
                    ["ArtistItems"] = new List<object>
                    {
                        new Dictionary<string, object?> { ["Name"] = "Katy Perry" }
                    },
                    ["RawItem"] = rawDoc.RootElement.Clone()
                }
            ],
            TotalRecordCount = 1,
            StartIndex = 0
        };

        var method = typeof(JellyfinController).GetMethod(
            "SerializeSearchResponseJson",
            BindingFlags.NonPublic | BindingFlags.Static);

        Assert.NotNull(method);

        var json = (string)method!.Invoke(null, new object?[] { payload })!;

        Assert.Contains("\"Items\":[{", json);
        Assert.Contains("\"MediaAttachments\":[]", json);
        Assert.Contains("\"ArtistItems\":[{\"Name\":\"Katy Perry\"}]", json);
        Assert.Contains("\"RawItem\":{\"ServerId\":\"c17d351d3af24c678a6d8049c212d522\",\"RunTimeTicks\":2234068710}", json);
        Assert.Contains("\"TotalRecordCount\":1", json);
    }
}