EnvelopeGenerator/EnvelopeGenerator.Tests.Application/Mock.cs

using Microsoft.Extensions.Hosting;
using EnvelopeGenerator.Infrastructure;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using EnvelopeGenerator.Application.Services;
using Microsoft.EntityFrameworkCore;
using EnvelopeGenerator.Application;

namespace EnvelopeGenerator.Tests.Application;

public class Mock
{
    public static IHost CreateHost(Action<HostApplicationBuilder>? builderOptions = null, string configPath = "appsettings.json", bool useRealDb = false, params string[] args)
    {
        var builder = Host.CreateApplicationBuilder(args.Any() ? args : null);
        var config = builder.Configuration;
        builder.Configuration.AddJsonFile(configPath, optional: true, reloadOnChange: true);

        builder.Services
            .AddEnvelopeGeneratorRepositories(opt =>
            {
                if (useRealDb)
                {
                    var connStr = config.GetConnectionString("Default")
                        ?? throw new InvalidOperationException("There is no default connection string in appsettings.json.");
                    opt.UseSqlServer(connStr);
                }
                else
                    opt.UseInMemoryDatabase("MockDB");
            })
            .AddEnvelopeGeneratorServices(builder.Configuration)
            .AddScoped<DocumentStatusService>();

        builderOptions?.Invoke(builder);

        var host = builder.Build();

        return host;
    }
}