using Moq;
using NETCore3WebApp.Business;
using NETCore3WebApp.Infrastructure.DB;
using NUnit.Framework;
using System.Collections.Generic;

namespace NETCore3WebApp.Test.Business.Entity 
{
 public class MyEntityManagerTest 
 {
  IDbContextGenerator contextGenerator;
  List <Domain.Entity> entities;
  [SetUp]
  public void Setup() 
  {
    entities = new List<Domain.Entity>();
    entities.Add(new Domain.Entity 
    {
     Id = 1,
      Name = "TEST NAME"
    });
    var myDbMoq = new Mock<IMyDbContext>();
    myDbMoq.Setup(p => p.Entities).Returns(DbContextMock.GetQueryableMockDbSet<Domain.Entity>(entities));
    myDbMoq.Setup(p => p.SaveChanges()).Returns(1);
    var moq = new Mock<IDbContextGenerator>();
    moq.Setup(p => p.GenerateMyDbContext()).Returns(myDbMoq.Object);
    contextGenerator = moq.Object;
   }
   [Test]
  public void GetConfigurationShouldReturnConfig() 
  {
    var manager = new MyEntityManager(contextGenerator);
    var entity = manager.GetMyEntity();
    Assert.NotNull(entity);
    Assert.AreEqual(1, entity.Id);
    Assert.AreEqual("TEST NAME", entity.Name);
   }
   [Test]
  public void SaveConfigurationShouldReturnValueUpdated() 
  {
   var manager = new MyEntityManager(contextGenerator);
   var entity = manager.GetMyEntity();
   entity.Name = "TEST UPDATE";
   manager.SaveMyEntity(entity);
   var entitySaved = manager.GetMyEntity();
   Assert.NotNull(entity);
   Assert.NotNull(entitySaved);
   Assert.AreEqual(entity.Name, entitySaved.Name);
   Assert.AreEqual("TEST UPDATE", entitySaved.Name);
  }
 }
}