I agree with this motivation behind this request, which I explain in more 
detail 
here: 
http://stackoverflow.com/questions/16745135/how-to-test-a-clojure-macro-that-uses-gensyms

We should be able to test the behavior *and* the macroexpansion. (Most 
things in life are not simple either/or decisions. Don't believe people 
that tell you otherwise.)

On Monday, March 23, 2015 at 12:58:49 PM UTC-4, Chris Ford wrote:
>
> I think it's useful to think of macros as an odd form of I/O. Just as you 
> would separate out your templating from your domain functions, separate out 
> your defmacro from regular functions that just happen to manipulate 
> symbols. These functions will be easier to test.
>
> On 23 March 2015 at 16:23, Sean Corfield <se...@corfield.org <javascript:>
> > wrote:
>
>> On Mar 22, 2015, at 7:52 PM, myguidingstar <phuthuycuo...@gmail.com 
>> <javascript:>> wrote:
>> > I wonder if there is any way to make macro expansion in Clojure 
>> deterministic. That would be useful in unit tests.
>>
>> I’d be very interested to understand your use case… Testing what the 
>> macro expands to seems like it is test the macro system itself, not your 
>> own code. Surely in a unit test you’d want to test the _behavior_ of the 
>> code instead?
>>
>> Sean Corfield -- (904) 302-SEAN
>> An Architect's View -- http://corfield.org/
>>
>> "Perfection is the enemy of the good."
>> -- Gustave Flaubert, French realist novelist (1821-1880)
>>
>>
>>
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