Ok, this is answering a different question, but the recommendation is to avoid spending time on the initialize method and instead write am explicit constructor function.
On Thu, Sep 28, 2017 at 10:48 AM, Zach Skidmore <zskid...@wustl.edu> wrote: > Hi All, > > I maintain the GenVisR package and am currently converting it to S4 > classes. I'm running into a problem however when writing unit tests for > functions within the initalizer. What I really need is a "mock" object of > the class for which the initializer unit tests are being performed but > which hold no data. This will allow me to step through the initializer "sub > functions" and write tests for each one. The problem is I don't see a way > in the S4 system to create a mock object. I've found this post that will do > what I want http://r.789695.n4.nabble.com/Using-a-mock-of-an-S4-class- > td4728547.html, however when using this solution R CMD CHECK throws > errors: > > * checking dependencies in R code ... WARNING > Unexported object imported by a ':::' call: ‘methods:::C_new_object’ > See the note in ?`:::` about the use of this operator. > Including base/recommended package(s): > ‘methods’ > * checking S3 generic/method consistency ... OK > * checking replacement functions ... OK > * checking foreign function calls ... WARNING > Foreign function call to a base package: > .Call(methods:::C_new_object, ...) > Packages should not make .C/.Call/.External/.Fortran calls to a base > package. They are not part of the API, for use only by R itself and > subject to change without notice. > > I'm wondering if anyone has any ideas on the best way to handle this. I > suppose i could create a "test" flag within the initalizer that would > create an empty object of that class and use that but it seems hacky to do > this. > > thanks! > Zach > > ________________________________ > The materials in this message are private and may contain Protected > Healthcare Information or other information of a sensitive nature. If you > are not the intended recipient, be advised that any unauthorized use, > disclosure, copying or the taking of any action in reliance on the contents > of this information is strictly prohibited. If you have received this email > in error, please immediately notify the sender via telephone or return mail. > > [[alternative HTML version deleted]] > > _______________________________________________ > Bioc-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/bioc-devel [[alternative HTML version deleted]] _______________________________________________ Bioc-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/bioc-devel
