tunable methods from recipes not found

[topepo]

With r-devel, a bunch of tune units tests fail because the tunable methods for step functions are not found when tunable() is called.

@DavisVaughan exports them in tidymodels/recipes#406 . Do we need tune to make them accessible too?

(reprex isn't building for me in r-devel 😒)

> library(testthat)
> 
> # From `tune` package directory
> source(test_path("../helper-objects.R"))
> 
> # The specific step methods are not being accessed
> tunable(spline_rec)
# A tibble: 0 x 5
# … with 5 variables: name <chr>, call_info <list>, source <chr>, component <chr>,
#   component_id <chr>
> 
> purrr::map_chr(spline_rec$steps, ~ class(.x)[1])
[1] "step_date"      "step_holiday"   "step_rm"        "step_knnimpute"
[5] "step_other"     "step_dummy"     "step_normalize" "step_bs"       
> 
> purrr::map(spline_rec$steps, tunable)
[[1]]
# A tibble: 0 x 5
# … with 5 variables: name <chr>, call_info <list>, source <chr>, component <chr>,
#   component_id <chr>

[[2]]
# A tibble: 0 x 5
# … with 5 variables: name <chr>, call_info <list>, source <chr>, component <chr>,
#   component_id <chr>

[[3]]
# A tibble: 0 x 5
# … with 5 variables: name <chr>, call_info <list>, source <chr>, component <chr>,
#   component_id <chr>

[[4]]
# A tibble: 0 x 5
# … with 5 variables: name <chr>, call_info <list>, source <chr>, component <chr>,
#   component_id <chr>

[[5]]
# A tibble: 0 x 5
# … with 5 variables: name <chr>, call_info <list>, source <chr>, component <chr>,
#   component_id <chr>

[[6]]
# A tibble: 0 x 5
# … with 5 variables: name <chr>, call_info <list>, source <chr>, component <chr>,
#   component_id <chr>

[[7]]
# A tibble: 0 x 5
# … with 5 variables: name <chr>, call_info <list>, source <chr>, component <chr>,
#   component_id <chr>

[[8]]
# A tibble: 0 x 5
# … with 5 variables: name <chr>, call_info <list>, source <chr>, component <chr>,
#   component_id <chr>

> 
> # For example: 
> tunable.step_knnimpute(spline_rec$steps[[4]])
# A tibble: 1 x 5
  name      call_info        source component      component_id   
  <chr>     <list>           <chr>  <chr>          <chr>          
1 neighbors <named list [3]> recipe step_knnimpute knnimpute_92x1X
> 
> methods("tunable")
 [1] tunable.boost_tree*       tunable.linear_reg*       tunable.logistic_reg*    
 [4] tunable.model_spec*       tunable.multinomial_reg*  tunable.nearest_neighbor*
 [7] tunable.recipe*           tunable.step              tunable.step_bagimpute   
[10] tunable.step_bs           tunable.step_corr         tunable.step_discretize  
[13] tunable.step_downsample   tunable.step_embed*       tunable.step_ica         
[16] tunable.step_isomap       tunable.step_knnimpute    tunable.step_kpca_poly   
[19] tunable.step_kpca_rbf     tunable.step_meanimpute   tunable.step_nnmf        
[22] tunable.step_ns           tunable.step_nzv          tunable.step_other       
[25] tunable.step_pca          tunable.step_pls          tunable.step_poly        
[28] tunable.step_rollimpute   tunable.step_texthash*    tunable.step_tf*         
[31] tunable.step_tokenfilter* tunable.step_tokenize*    tunable.step_umap*       
[34] tunable.step_upsample     tunable.step_window       tunable.step_woe*        
[37] tunable.workflow*        
see '?methods' for accessing help and source code
> 
> sessioninfo::session_info()
─ Session info ──────────────────────────────────────────────────────────────────────
 setting  value                                             
 version  R Under development (unstable) (2019-12-29 r77627)
 os       macOS Catalina 10.15.1                            
 system   x86_64, darwin15.6.0                              
 ui       RStudio                                           
 language (EN)                                              
 collate  en_US.UTF-8                                       
 ctype    en_US.UTF-8                                       
 tz       America/New_York                                  
 date     2019-12-31                                        

─ Packages ──────────────────────────────────────────────────────────────────────────
 package     * version    date       lib source                             
 assertthat    0.2.1      2019-03-21 [1] CRAN (R 4.0.0)                     
 backports     1.1.5      2019-10-02 [1] CRAN (R 4.0.0)                     
 class         7.3-15     2019-01-01 [1] CRAN (R 4.0.0)                     
 cli           2.0.0      2019-12-09 [1] CRAN (R 4.0.0)                     
 codetools     0.2-16     2018-12-24 [1] CRAN (R 4.0.0)                     
 colorspace    1.4-1      2019-03-18 [1] CRAN (R 4.0.0)                     
 crayon        1.3.4      2017-09-16 [1] CRAN (R 4.0.0)                     
 dials       * 0.0.4      2019-12-02 [1] CRAN (R 4.0.0)                     
 DiceDesign    1.8-1      2019-07-31 [1] CRAN (R 4.0.0)                     
 digest        0.6.23     2019-11-23 [1] CRAN (R 4.0.0)                     
 dplyr       * 0.8.3      2019-07-04 [1] CRAN (R 4.0.0)                     
 ellipsis      0.3.0      2019-09-20 [1] CRAN (R 4.0.0)                     
 fansi         0.4.0      2018-10-05 [1] CRAN (R 4.0.0)                     
 foreach       1.4.7      2019-07-27 [1] CRAN (R 4.0.0)                     
 furrr         0.1.0      2018-05-16 [1] CRAN (R 4.0.0)                     
 future        1.15.1     2019-11-25 [1] CRAN (R 4.0.0)                     
 generics      0.0.2      2018-11-29 [1] CRAN (R 4.0.0)                     
 ggplot2     * 3.2.1      2019-08-10 [1] CRAN (R 4.0.0)                     
 globals       0.12.5     2019-12-07 [1] CRAN (R 4.0.0)                     
 glue          1.3.1      2019-03-12 [1] CRAN (R 4.0.0)                     
 gower         0.2.1      2019-05-14 [1] CRAN (R 4.0.0)                     
 GPfit         1.0-8      2019-02-08 [1] CRAN (R 4.0.0)                     
 gtable        0.3.0      2019-03-25 [1] CRAN (R 4.0.0)                     
 hardhat       0.1.0      2019-12-16 [1] CRAN (R 4.0.0)                     
 ipred         0.9-9      2019-04-28 [1] CRAN (R 4.0.0)                     
 iterators     1.0.12     2019-07-26 [1] CRAN (R 4.0.0)                     
 kernlab     * 0.9-29     2019-11-12 [1] CRAN (R 4.0.0)                     
 lattice       0.20-38    2018-11-04 [1] CRAN (R 4.0.0)                     
 lava          1.6.6      2019-08-01 [1] CRAN (R 4.0.0)                     
 lazyeval      0.2.2      2019-03-15 [1] CRAN (R 4.0.0)                     
 lhs           1.0.1      2019-02-03 [1] CRAN (R 4.0.0)                     
 lifecycle     0.1.0      2019-08-01 [1] CRAN (R 4.0.0)                     
 listenv       0.8.0      2019-12-05 [1] CRAN (R 4.0.0)                     
 lubridate     1.7.4      2018-04-11 [1] CRAN (R 4.0.0)                     
 magrittr      1.5        2014-11-22 [1] CRAN (R 4.0.0)                     
 MASS          7.3-51.5   2019-12-20 [1] CRAN (R 4.0.0)                     
 Matrix        1.2-18     2019-11-27 [1] CRAN (R 4.0.0)                     
 munsell       0.5.0      2018-06-12 [1] CRAN (R 4.0.0)                     
 nnet          7.3-12     2016-02-02 [1] CRAN (R 4.0.0)                     
 packrat       0.5.0      2018-11-14 [1] CRAN (R 4.0.0)                     
 parsnip     * 0.0.4.9000 2019-12-31 [1] Github (tidymodels/parsnip@2e5d3fa)
 pillar        1.4.3      2019-12-20 [1] CRAN (R 4.0.0)                     
 pkgconfig     2.0.3      2019-09-22 [1] CRAN (R 4.0.0)                     
 plyr          1.8.5      2019-12-10 [1] CRAN (R 4.0.0)                     
 pROC          1.15.3     2019-07-21 [1] CRAN (R 4.0.0)                     
 prodlim       2019.11.13 2019-11-17 [1] CRAN (R 4.0.0)                     
 purrr         0.3.3      2019-10-18 [1] CRAN (R 4.0.0)                     
 R6            2.4.1      2019-11-12 [1] CRAN (R 4.0.0)                     
 Rcpp          1.0.3      2019-11-08 [1] CRAN (R 4.0.0)                     
 recipes     * 0.1.8      2019-12-18 [1] CRAN (R 4.0.0)                     
 rlang         0.4.2      2019-11-23 [1] CRAN (R 4.0.0)                     
 rpart         4.1-15     2019-04-12 [1] CRAN (R 4.0.0)                     
 rsample     * 0.0.5      2019-07-12 [1] CRAN (R 4.0.0)                     
 rstudioapi    0.10       2019-03-19 [1] CRAN (R 4.0.0)                     
 scales      * 1.1.0      2019-11-18 [1] CRAN (R 4.0.0)                     
 sessioninfo   1.1.1      2018-11-05 [1] CRAN (R 4.0.0)                     
 stringi       1.4.3      2019-03-12 [1] CRAN (R 4.0.0)                     
 stringr       1.4.0      2019-02-10 [1] CRAN (R 4.0.0)                     
 survival      3.1-8      2019-12-03 [1] CRAN (R 4.0.0)                     
 testthat    * 2.3.1      2019-12-01 [1] CRAN (R 4.0.0)                     
 tibble        2.1.3      2019-06-06 [1] CRAN (R 4.0.0)                     
 tidyr       * 1.0.0      2019-09-11 [1] CRAN (R 4.0.0)                     
 tidyselect    0.2.5      2018-10-11 [1] CRAN (R 4.0.0)                     
 timeDate      3043.102   2018-02-21 [1] CRAN (R 4.0.0)                     
 tune        * 0.0.1      2019-12-31 [1] Github (tidymodels/tune@e044702)   
 utf8          1.1.4      2018-05-24 [1] CRAN (R 4.0.0)                     
 vctrs         0.2.1      2019-12-17 [1] CRAN (R 4.0.0)                     
 withr         2.1.2      2018-03-15 [1] CRAN (R 4.0.0)                     
 workflows   * 0.1.0      2019-12-30 [1] CRAN (R 4.0.0)                     
 yardstick   * 0.0.4      2019-08-26 [1] CRAN (R 4.0.0)                     
 zeallot       0.1.0      2018-01-28 [1] CRAN (R 4.0.0)                     

[1] /Library/Frameworks/R.framework/Versions/4.0/Resources/library