DEMOMySql/MicroServices/Business/Bussiness.ApplicationTest/CoreApplicationTestBase.cs

using System;
using Buissness.TestBase;
using Business.EntityFrameworkCore;

namespace Bussiness.ApplicationTest
{
    public abstract class CoreApplicationTestBase : CoreTestBase<CoreApplicationTestModule> 
    {
        protected virtual void UsingDbContext(Action<BusinessDbContext> action)
        {
            using (var dbContext = GetRequiredService<BusinessDbContext>())
            {
                action.Invoke(dbContext);
            }
        }

        protected virtual T UsingDbContext<T>(Func<BusinessDbContext, T> action)
        {
            using (var dbContext = GetRequiredService<BusinessDbContext>())
            {
                return action.Invoke(dbContext);
            }
        }
    }
}