Hi Stuart, Ahh, got it. do-it/expect worked perfectly.
Thanks! Dan On Dec 14, 12:37 pm, Stuart Sierra <the.stuart.sie...@gmail.com> wrote: > Both `describe` and `it` create functions. That is, they expand out > to `(fn [] ...)`. Wrapping `binding` around the creation of a fn has > no effect. > > For finer control over where the fn gets created and how failures get > reported, you can use `do-it` and `expect`. > > (describe ... > (do-it ... > (binding ... > (expect ...))) > > This will produce the results you're looking for. > > -Stuart Sierra > clojure.com > > On Dec 14, 11:13 am, fuchsd <fuc...@gmail.com> wrote: > > > > > > > > > Howdy, > > > I asked this on #clojure and posted a question on Stackoverflow > > (http://stackoverflow.com/questions/4424220/how-do-i-rebind-a-var-in-a- > > lazytest-describe-test), but no dice. I'm assuming that it's because > > this is so simple and I'm doing it so incorrectly that nobody can even > > begin to formulate a response. Feel free to tell me to go back and re- > > R all TFMs ;) > > > First of all, sorry if I am screwing up some terminology; I'm pretty > > new to Clojure. I am trying to write a very simple test using Lazytest > > that depends on a var binding. I can not seem to rebind a var in the > > test file and have the code under test use that binding. > > > Here is the code I am trying to test: > > > (ns liar-liar.core > > (:gen-class)) > > > (def *input-file-name*) > > > (defn parse-input > > "Just print return a var for now..." > > [] > > *input-file-name*) > > > (defn -main [& args] > > (binding [*input-file-name* (first args)] > > (println (parse-input)))) > > > And here is the test: > > > (ns liar-liar.test.core > > (:use lazytest.describe) > > (:use liar-liar.core)) > > > (binding [*input-file-name* "my-input-file"] > > (describe parse-input "Just returns a var" > > (it "returns a var" > > (= "my-input-file" (parse-input))))) > > > When I try to run this test, I get this error: > > > java.lang.IllegalStateException: Var liar-liar.core/*input-file-name* > > is unbound. > > > Interestingly enough, if I move the binding form: > > > (ns liar-liar.test.core > > (:use lazytest.describe) > > (:use liar-liar.core)) > > > (describe parse-input "Just returns a var" > > (it "returns a var" > > (binding [*input-file-name* "my-input-file"] > > (= "FAIL" (parse-input))))) > > > The test works as it should, but the reporting isn't ideal, as it > > doesn't print the value of the (parse-input) expression (the test > > passes if I replace "FAIL" with "my-input-file" though): > > > FAILURE: Namespaces liar-liar.test.core #'liar-liar.core/parse-input > > Just returns a var returns a var > > at liar_liar/test/core.clj line 7 > > Expression: (binding [*input-file-name* my-input-file] (= FAIL (parse- > > input))) > > Result: false > > Local bindings: > > {} > > > Is there some other way I should be going about doing this kind of > > testing? > > > Thanks! Dan -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
