Re: Roadmap Updated

Hi Kelly,

> >  My main conclusion so far is that there is an intrinsic 
> difference  
> > between extensions that provide data staticly and those 
> where it  is 
> > only available at run time.
> 
> I would assume the difference you are referring to is the 
> difference between the RowTest sort of approach and the 
> IterativeTest approach.

Yes, at least in one aspect. In RowTest, we can look at
the source code and tell how many test cases will be
created. This would be true for any approach that places
the data in attributes. To support this sort of approach,
we need to be able to take a method and generate multiple
test cases from it.

In your IterativeTest, we can only tell where the data
will come from. It's not possible, in general, to figure
out how many cases there will be by looking at the code.
Of course, some of your examples use a constant list
of data points, but they would not have to be constant.
To support this approach, we need to either
1) allow test cases to be added at test execution time, or
2) allow a test to return more than one result
I happen to lean toward the #2, but that's a detail - you
can se that the two situations require different support
from NUnit.

> The Theory syntax seems to merge these two approaches... so 
> I'm not sure whether or not it remains an unsolvable problem 
> to merge the two approaches.

No - the Theory examples we have seen use both approaches. So
NUnit would need to support both of them... unless that's what
you mean by merge. :-)

> The conversation you pointed to was technically a little past 
> my experience thus far (too internal), so while I'm very 
> interested, I couldn't make a helpful reply.

That's cool. Jump in where you can. We're at the implementation
stage, where it's a question of how the internals will work, so
it's natural that we're getting more technical. One way to read
this is to ask how the availabilitiy of some NUnit feature or
interface would help you to implement a given extension syntax.

Charlie

> -Kelly
> 
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