public void LinqTranslations_CalculatedAttribute_DirectCircularDependencyFails()
{
var a = new A()
{
Value = "a"
};
using (var connection = Effort.DbConnectionFactory.CreateTransient())
{
using (var context = new DemoContext(connection))
{
context.As.Add(a);
context.SaveChanges();
}
using (var context = new DemoContext(connection))
{
var qry = from m in context.As
select m.Value;
Assert.Throws <CircularReferenceException>(() =>
{
Assert.AreEqual(a.Value, qry.WithTranslations().First(), "A override wrong");
});
}
}
}
public void LinqTranslations_CalculatedAttribute_InDirectCircularDependencyUsingNoTranslateSucceeds()
{
var a = new A()
{
Value = "a", Value6 = "underlying value6 for a"
};
using (var connection = Effort.DbConnectionFactory.CreateTransient())
{
using (var context = new DemoContext(connection))
{
context.As.Add(a);
context.SaveChanges();
}
using (var context = new DemoContext(connection))
{
var qry = from m in context.As
select m.Value6;
Assert.Multiple(() =>
{
Assert.AreEqual(a.Value6, qry.WithTranslations().First(), "A override wrong");
});
}
}
}
private void SeedContext(DemoContext context)
{
//seed some data in
var demo = new DemoBaseClass()
{
ClassName = "DemoBaseClass", NormalAttribute = "TEST"
};
context.DemoBaseClasses.Add(demo);
var demo1 = new DemoDerivedClass1()
{
ClassName = "DemoDerivedClass1", NormalAttribute = "TEST1"
};
context.DemoDerivedClassOnes.Add(demo1);
var demo2 = new DemoDerivedClass2()
{
ClassName = "DemoDerivedClass2", NormalAttribute = "TEST2"
};
context.DemoDerivedClassTwos.Add(demo2);
var demo3 = new DemoDerivedClass3()
{
ClassName = "DemoDerivedClass3", NormalAttribute = "TEST3"
};
context.DemoDerivedClassThrees.Add(demo3);
context.SaveChanges();
}
public void LinqTranslations_CalculatedAttribute_DbIsOfExpressionOnBaseClass()
{
var a = new A()
{
Value = "a"
};
var b = new B()
{
Value = "b"
};
var c = new C()
{
Value = "c"
};
using (var connection = Effort.DbConnectionFactory.CreateTransient())
{
using (var context = new DemoContext(connection))
{
context.As.Add(a);
context.Bs.Add(b);
context.Cs.Add(c);
context.SaveChanges();
}
using (var context = new DemoContext(connection))
{
var qry = from m in context.Cs
orderby m.Value
select m.Calc;
var items = qry.WithTranslations().ToArray();
Assert.Multiple(() =>
{
Assert.AreEqual(c.Calc, items[0], "C override wrong");
});
}
}
}
public void LinqTranslations_CalculatedAttribute_OverrideBehaviourRuntimeType()
{
var g = new G()
{
Value = "g"
};
var f = new F()
{
Value = "f"
};
var e = new E()
{
Value = "e"
};
var d = new D()
{
Value = "d"
};
var c = new C()
{
Value = "c"
};
var b = new B()
{
Value = "b"
};
var a = new A()
{
Value = "a"
};
using (var connection = Effort.DbConnectionFactory.CreateTransient())
{
using (var context = new DemoContext(connection))
{
context.As.Add(a);
context.Bs.Add(b);
context.Cs.Add(c);
context.Ds.Add(d);
context.Es.Add(e);
context.Fs.Add(f);
context.Gs.Add(g);
context.SaveChanges();
}
using (var context = new DemoContext(connection))
{
var qry = from m in context.As
orderby m.Value
select m.Calc;
var items = qry.WithTranslations().ToArray();
Assert.Multiple(() =>
{
Assert.AreEqual(a.Calc, items[0], "A override wrong");
Assert.AreEqual(b.Calc, items[1], "B override wrong");
Assert.AreEqual(c.Calc, items[2], "C override wrong");
Assert.AreEqual(d.Calc, items[3], "D override wrong");
Assert.AreEqual(e.Calc, items[4], "E override wrong");
Assert.AreEqual(f.Calc, items[5], "F override wrong");
Assert.AreEqual(g.Calc, items[6], "G override wrong");
});
}
}
}
