maraphon-app/tests/Marathon.UI.Tests/Support/MarathonTestContext.cs

using Bunit;
using Marathon.UI.Resources;
using Marathon.UI.Services;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Localization;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
using MudBlazor.Services;

namespace Marathon.UI.Tests.Support;

/// <summary>
/// Shared bUnit <see cref="TestContext"/> with the Marathon.UI services
/// pre-registered: localizer, theme + locale state, in-memory settings writer,
/// MudBlazor services, and a no-op logger.
/// </summary>
public abstract class MarathonTestContext : TestContext
{
    protected TestSettingsWriter Writer { get; } = new();
    protected ThemeState Theme { get; } = new();
    protected LocaleState Locale { get; } = new();
    protected EventBrowsingState BrowsingState { get; } = new();
    protected FakeEventBrowsingService Browsing { get; } = new();

    protected MarathonTestContext()
    {
        Services.AddSingleton(Writer);
        Services.AddSingleton<ISettingsWriter>(Writer);
        Services.AddSingleton(Theme);
        Services.AddSingleton(Locale);
        Services.AddSingleton(BrowsingState);
        Services.AddSingleton<IEventBrowsingService>(Browsing);

        Services.AddSingleton(typeof(IStringLocalizer<>), typeof(TestLocalizer<>));
        Services.AddSingleton(typeof(ILogger<>), typeof(NullLogger<>));
        Services.AddLogging();

        Services.AddMudServices();

        // bUnit defaults JS interop to Strict; loosen so MudBlazor's interop
        // calls don't blow up tests that aren't asserting on JS-driven UI.
        JSInterop.Mode = JSRuntimeMode.Loose;
    }
}