public void ConstructorWithAccessorOnly()
{
var item = new Mock<ISimpleDbItem>().Object;
Expression<Func<object>> lambdaWithNew = () => new { Test1 = item["TestAttribute"] };
var newExp = ((LambdaExpression)lambdaWithNew).Body as NewExpression;
var mapper = new IndexedAttributeMapperAccessor();
var returnExpression = mapper.AccessVisitNew(newExp);
Assert.IsNotNull(returnExpression);
Assert.IsInstanceOf<NewExpression>(returnExpression);
Assert.AreEqual(1, ((NewExpression)returnExpression).Arguments.Count);
Assert.IsInstanceOf<AttributeExpression>(((NewExpression)returnExpression).Arguments[0]);
Assert.AreEqual("TestAttribute", ((AttributeExpression)((NewExpression)returnExpression).Arguments[0]).Name);
}
public void ConvertBasicAccessorExpression ()
{
var item = new Mock<ISimpleDbItem> ();
var methodCallExp = Expression.Call(
Expression.Constant(item.Object),
typeof(ISimpleDbItem).GetMethod ("get_Item"),
Expression.Constant ("TestAttribute"));
var mapper = new IndexedAttributeMapperAccessor ();
var mappedAttribute = mapper.AccessVisitMethodCall (methodCallExp);
Assert.IsNotNull (mappedAttribute);
Assert.IsInstanceOf<AttributeExpression> (mappedAttribute);
Assert.AreEqual ("TestAttribute", ((AttributeExpression)mappedAttribute).Name);
}
public void SkipNonAccessorExpression()
{
var item = new Mock<ISimpleDbItem> ();
var methodCallExp = Expression.Call (
Expression.Constant (item.Object),
typeof(object).GetMethod ("ToString"));
var mapper = new IndexedAttributeMapperAccessor ();
var returnExpression = mapper.AccessVisitMethodCall (methodCallExp);
Assert.IsNotNull (returnExpression);
Assert.IsInstanceOf<MethodCallExpression> (returnExpression);
Assert.IsInstanceOf<ConstantExpression> (((MethodCallExpression)returnExpression).Object);
Assert.AreEqual (item.Object, ((ConstantExpression)((MethodCallExpression)returnExpression).Object).Value);
Assert.AreEqual (
typeof(object).GetMethod ("ToString"),
((MethodCallExpression)returnExpression).Method);
}
