public void Should_Select_Null_Value_On_Null_Object()
{
var selector = new MemberSelector()
{
MemberName = "StringValue"
};
Assert.Equal(null, selector.Select(null));
}
public void Should_Support_Change_Of_MemberName()
{
var selector = new MemberSelector()
{
MemberName = "StringValue"
};
var data = new Item()
{
StringValue = "Value1",
IntValue = 1
};
Assert.Same("Value1", selector.Select(data));
selector.MemberName = "IntValue";
Assert.Equal(1, selector.Select(data));
}
public void Should_Select_Target_On_Empty_MemberName()
{
var selector = new MemberSelector();
var data = new Item()
{
StringValue = "Value1"
};
Assert.Same(data, selector.Select(data));
}
public void Should_Select_Simple_Property_Value()
{
var selector = new MemberSelector()
{
MemberName = "StringValue"
};
var data = new Item()
{
StringValue = "Value1"
};
Assert.Same("Value1", selector.Select(data));
}
public void Should_Select_Null_Value_On_Wrong_MemberName()
{
var selector = new MemberSelector()
{
MemberName = "WrongProperty"
};
var data = new Item()
{
StringValue = "Value1"
};
Assert.Same(null, selector.Select(data));
}
public void Should_Select_Child_Property_Value_In_Multiple_Items()
{
var selector = new MemberSelector()
{
MemberName = "Child.StringValue"
};
var data = new Item[]
{
new Item()
{
Child = new Item()
{
StringValue = "Value1"
}
},
new Item()
{
Child = new Item()
{
StringValue = "Value2"
}
},
new Item()
{
Child = new Item()
{
StringValue = "Value3"
}
}
};
Assert.Same("Value1", selector.Select(data[0]));
Assert.Same("Value2", selector.Select(data[1]));
Assert.Same("Value3", selector.Select(data[2]));
}
public void Should_Select_MoreComplex_Property_Value()
{
var selector = new MemberSelector()
{
MemberName = "Child.Child.Child.StringValue"
};
var data = new Item()
{
Child = new Item()
{
Child = new Item()
{
Child = new Item()
{
StringValue = "Value1"
}
}
}
};
Assert.Same("Value1", selector.Select(data));
}