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Alejoho/DbContextMock.cs

Forked from briangoncalves/DbContextMock.cs
Created August 18, 2023 03:59
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Db Context Mockup using Moq
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DbContextMock.cs
using Microsoft.EntityFrameworkCore;
using Moq;
using System.Collections.Generic;
using System.Linq;
namespace NETCore3WebApp.Test.Business {
public static class DbContextMock {
public static DbSet <T> GetQueryableMockDbSet <T> (List <T> sourceList) where T: class
{
var queryable = sourceList.AsQueryable();
var dbSet = new Mock<DbSet<T>>();
dbSet.As<IQueryable<T>>().Setup(m => m.Provider).Returns(queryable.Provider);
dbSet.As<IQueryable<T>>().Setup(m => m.Expression).Returns(queryable.Expression);
dbSet.As<IQueryable<T>>().Setup(m => m.ElementType).Returns(queryable.ElementType);
dbSet.As<IQueryable<T>>().Setup(m => m.GetEnumerator()).Returns(() => queryable.GetEnumerator());
dbSet.Setup(d => d.Add(It.IsAny<T>())).Callback<T>((s) => sourceList.Add(s));
return dbSet.Object;
}
}
}
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