"ns" and "in-ns" have special evaluation rules. In general, they
don't work as you'd expect in block expressions such as "do" or "let".
If you want to create namespaces programatically, use "create-ns" and
"intern".
-SS
On Apr 26, 6:25 pm, David McNeil <mcneil.da...@gmail.com> wrote:
> I am experimenting with clojure.test and I encountered the following
> situation which I cannot explain.
>
> This code:
>
> (println (do
> (ns ns01
> (:use clojure.test))
> (deftest test1 nil)
> (run-tests)))
>
> Produces the expected result (note: it runs one test):
>
> Testing ns01
>
> Ran 1 tests containing 0 assertions.
> 0 failures, 0 errors.
> {:type :summary, :test 1, :pass 0, :fail 0, :error 0}
>
> However, if I do the exact same thing inside of a let:
>
> (println (let []
> (do
> (ns ns02
> (:use clojure.test))
> (deftest test1 nil)
> (run-tests))))
>
> Then I get the unexpected result that no tests are executed:
>
> Testing ns02
>
> Ran 0 tests containing 0 assertions.
> 0 failures, 0 errors.
> {:type :summary, :test 0, :pass 0, :fail 0, :error 0}
>
> Seems there is something going on with namespaces that I do not
> understand and I hope that somewhere here can explain it.
>
> Thank you.
> -David McNeil
>
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