Hey Brian,
I just got your latest version of Midje via lein, and I'm able to use it. I
had been getting a stack trace previously. Midje is nice, because I can do
more specialized stubbing with it than with the code I got from Amit
Rathore's blog/book.
Also, this is the fmap I wrote (with the list's help) to that takes multiple
maps. It only works for maps.
(defn fmap [f & maps]
(into {}
(for [k (keys (first maps))]
[k (apply f (map #(get % k) maps))])))
Best,
Alex
On Fri, Dec 10, 2010 at 11:02 AM, Brian Marick <mar...@exampler.com> wrote:
> Shameless Self-promotion Dept: Here's how I'd write your three tests in
> Midje.
> https://github.com/marick/Midje
>
> (fact "chains of locations are handled"
> (distances "Boston,MA" "Albany,NY" "LosAngeles,CA") => [2.0, 2.0]
> (provided (dist-in-miles anything anything) => 2.0))
>
> (fact "can convert distances from origin to a map keyed by destination"
> (map-of-distances ...origin... "Newport", "LA") => { "Newport" 55, "LA"
> 3000 }
> (provided
> (dist-in-miles ...origin... "Newport") => 55
> (dist-in-miles ...origin... "LA") => 3000))
>
> ;; (fact "can also produce map of total distance (distance * number of
> visits)"
> ;; (relative-distances ...origin..., "Newport" 1, "LA" 2) => { "NewPort"
> 365.0, "LA" 730.0 }
> ;; (provided
> ;; (dist-in-miles ...origin... anything) => 365.0))
>
> The last test is commented out because you have a three argument fmap,
> which isn't the one from generic.functor.
>
> I didn't have the laziness problem. I don't know if that was by accident or
> because Midje applies an #'eagerly function before checking. (Note: I found
> that #'doall isn't always enough, because you can be bitten in the same way
> by laziness in nested expressions, so #'eagerly walks the whole tree, not
> just the top level.)
>
> -----
> Brian Marick, Artisanal Labrador
> Contract programming in Ruby and Clojure
> Author of /Ring/ (forthcoming; sample: http://bit.ly/hfdf9T)
> www.exampler.com, www.exampler.com/blog, www.twitter.com/marick
>
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