c# - System.NotSupportedException: Invalid setup on a non-virtual (overridable in VB) member -


i getting notsupportedexception error message on unit test using moq

system.notsupportedexception: invalid setup on non-virtual (overridable in vb) member

unit test code:

[testmethod] public void testemailnotsentout() {   // ...    var dataaccess = new mock<tjicontext>();          var mocksetstock = new mock<dbset<stock>>();   mocksetstock.as<iqueryable<stock>>().setup(m => m.provider).returns(stocklist.provider);   mocksetstock.as<iqueryable<stock>>().setup(m => m.expression).returns(stocklist.expression);   mocksetstock.as<iqueryable<stock>>().setup(m => m.elementtype).returns(stocklist.elementtype);   mocksetstock.as<iqueryable<stock>>().setup(m => m.getenumerator()).returns(stocklist.getenumerator());   dataaccess.setup(m => m.stocks).returns(mocksetstock.object);

a suggestion in this post says mark virtual, i'm not sure needs marked virtual?

the error occurring @ line:

  dataaccess.setup(m => m.stocks).returns(mocksetstock.object);

assuming you're using ef of @ least v6 , based on example (look @ blogs element) doing similar thing you. i'd guess problem dataaccess, whatever doesn't declare stocks virtual.

so should this:

public virtual dbset<stock> stocks { get; set; }

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