tnsu-approval-route/backend/tests/Tnsu.ApprovalRoute.IntegrationTests/Infrastructure/TestServiceProviderFactory.cs

using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Tnsu.ApprovalRoute.Application;
using Tnsu.ApprovalRoute.Application.Common.Interfaces;
using Tnsu.ApprovalRoute.Infrastructure;

namespace Tnsu.ApprovalRoute.IntegrationTests.Infrastructure;

// Собирает такой же DI-контейнер, как реальное приложение (те же extension-методы, что в Program.cs),
// но с тестовой БД и тестовым ICurrentUser вместо HttpContext-based реализации.
internal static class TestServiceProviderFactory
{
    public static ServiceProvider Build(string connectionString, string? currentUserEmail = "initiator@tnsu.kz")
    {
        var configuration = new ConfigurationBuilder()
            .AddInMemoryCollection(new Dictionary<string, string?>
            {
                ["ConnectionStrings:Postgres"] = connectionString
            })
            .Build();

        var services = new ServiceCollection();
        services.AddApprovalRouteInfrastructure(configuration);
        services.AddApprovalRouteApplication();
        services.AddSingleton<ICurrentUser>(new TestCurrentUser(currentUserEmail));

        return services.BuildServiceProvider();
    }
}