无法使DbSet.Find与Moq一起使用(使用实体框架) [英] Cannot get DbSet.Find to work with Moq (Using the Entity-Framework)

问题描述

由于某种原因，此代码不断失败.任何可以告诉我原因的人:

For some reason this code keeps failing. Anyone that can tell me why:

        var activeLoans = new List<ActiveLoan> {
            new ActiveLoan{
               ID = 1,
               CaseType = "STL",
               LoanCode = 0
            },
            new ActiveLoan{
               ID = 2,
               CaseType = "STL",
               LoanCode = 0
            },
            new ActiveLoan{
               ID = 3,
               CaseType = "STL",
               LoanCode = 0
            }
        }.AsQueryable();

        var activeLoanMockSet = new Mock<DbSet<ActiveLoan>>(); 
        activeLoanMockSet.As<IQueryable<ActiveLoan>>().Setup(m => m.Provider).Returns(activeLoans.Provider);
        activeLoanMockSet.As<IQueryable<ActiveLoan>>().Setup(m => m.Expression).Returns(activeLoans.Expression);
        activeLoanMockSet.As<IQueryable<ActiveLoan>>().Setup(m => m.ElementType).Returns(activeLoans.ElementType);
        activeLoanMockSet.As<IQueryable<ActiveLoan>>().Setup(m => m.GetEnumerator()).Returns(activeLoans.GetEnumerator());
        mockContext.Setup(c => c.ActiveLoans).Returns(activeLoanMockSet.Object);


        // This is the line that fails
        Assert.AreNotEqual(mockContext.Object.ActiveLoans.Find( 1 ), null);

当我说失败"时，是指这是失败的一部分的单元测试.

When I say fail i mean that the unit test that this is a part of fails.

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