On Aug 15, 10:16 pm, Kevin Livingston
<kevinlivingston.pub...@gmail.com> wrote:
> I am working on an api that has an interface and two distinct
> implementations lets call them: foo and bar.
>
> I have a testing routine with a bunch of functions that each call a
> function to get a clean instance of an implementation, initializes it
> with some data and then interrogate it.
>
> with the exception of calling (new-foo) or (new-bar), foo and bar can
> be tested identically. I would like to be able to define tests in a
> namespace for the api, then have a test-foo namespace that calls those
> tests with *new-test-instance* bound to new-foo. likewise for new
> bar. because I would like the exact same tests run, the whole point
> is these things should behave the same at the API level. I don't want
> to have to copy and paste all my tests and make sure I keep them
> synchronized, that seems like an error waiting to happen.
>
> I can define the tests in test-api with deftest but doing so will
> cause the test to be run there (when I call mvn clojure:test), and as
> there is no implementation they will of course fail. I can block test-
> api from calling it's tests with:
> (defn test-ns-hook [])
> but then the tests become a pain to call from another namespace.
>
> surely there is a way to do this?
(defn test-ns-hook []
(when (bound? #'api-instance)
...))?
> in test-api with the blocking test-ns-hook, I tried
> (def the-tests [
> (deftest test-1 .... ) ])
>
> then in test-foo I tried
>
> (defn test-ns-hook []
> (dorun
> (map (fn [x]
> (binding [project.test-api/*new-test-instance*
> (fn [] (new-foo))]
> (x)))
> project.test-api/the-tests)))
>
> that doesn't work I keep seeing this:
>
> Uncaught exception, not in assertion.
> expected: nil
> actual: java.lang.NoClassDefFoundError: org/slf4j/impl/
> StaticLoggerBinder
> ...
>
> except if I put that exact same test-ns-hook implementation into the
> repl and call (run-tests) everything checks out *exactly* as expected.
>
> I have spent way too many hours on this... help?
>
> Kevin
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