[R-pkg-devel] How to debug CRAN errors?

[Duncan Murdoch]

On 13/03/2019 12:59 p.m., William Dunlap wrote:
> The complaint
> 
>> test_check("huxtable")
>       -- 1. Failure: Data written in appropriate format
> (@test-openxlsx.R#101) ------
>       `openxlsx::saveWorkbook(wb, file = "test-xlsx.xlsx", overwrite =
> TRUE)` produced messages.
> 
> comes from your call to testthat::expect_silent()
> 
> test_that("Data written in appropriate format", {
>    hx <- huxtable(a = 1:2 + 0.5, b = -1:-2 + 0.5, d = letters[1:2],
> add_colnames = TRUE)
>    wb <- as_Workbook(hx)
>    expect_silent(openxlsx::saveWorkbook(wb, file = "test-xlsx.xlsx",
> overwrite = TRUE))
> 
> 
> Perhaps you should suggest to the authors of testthat that it would be nice
> if expect_silent() showed some of the text of the messages, etc., instead
> of just saying that messages were produced.

Yes.

> By the way, I think your test test should write to a file in [a
> subdirectory of]] tempdir(), not to a file in the current directory.

That could be the source of the error:  it's a violation of CRAN policy 
to write to the current directory.  An obvious way to test this would be 
to make it unwriteable.

Duncan Murdoch

> 
> comes from
> Bill Dunlap
> TIBCO Software
> wdunlap tibco.com
> 
> 
> On Wed, Mar 13, 2019 at 8:50 AM David Hugh-Jones <davidhughjones using gmail.com>
> wrote:
>>
>> Hi all,
>>
>> My package has errors on CRAN's Linux and Solaris:
>>
>> https://cran.r-project.org/web/checks/check_results_huxtable.html
>>
>> which I can't reproduce on my local OSX Machine, nor on Linux on Travis.
>>
>> Does anyone have any general hints on how to reproduce and/or debug such
>> errors?
>>
>> Specifically the error relates to a call to openxlsx::saveWorkbook
>> producing a message. openxlsx hasn't changed recently, though.
>>
>> Cheers,
>> David
>>
>>          [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-package-devel using r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-package-devel
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-package-devel using r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-package-devel
>