using System;

using System.Linq;

using NUnit.Framework;

using YCodeLab.DB.Messaging;

using YCodeLab.DBFactory;

namespace YCodeLab.DB.Test

{

[TestFixture]

public class YCodeLabDbContextTest

{

[Test]

public void TestMessageCreatedTime()

{

var timeStamp = DateTime.UtcNow;

long? id = null;

{

var dbContextFactory = new YCodeLabDbContextFactory();

using var context = dbContextFactory.CreateDbContext();

var message = new Message

{

CreatedTime = DateTime.UtcNow + TimeSpan.FromHours(1),

};

context.Set<Message>().Add(message);

timeStamp = DateTime.UtcNow;

context.SaveChanges();

id = message.Id;

}

{

var dbContextFactory = new YCodeLabDbContextFactory();

using var context = dbContextFactory.CreateDbContext();

var message = context.Set<Message>()

.FirstOrDefault(e => e.Id == id);

Assert.That(message?.CreatedTime, Is.GreaterThan(timeStamp).And.LessThan(timeStamp + TimeSpan.FromSeconds(3)),

"The stored new message should have create_time the time right after the time stamp taken right before DbContext.SaveChanges method call.");

}

}

}

}