various fixes

NEWS.md

@@ -1,6 +1,8 @@
 # mlr3pipelines 0.5.2
 
-* Added new `ppl("convert_types")`
+* Added new `ppl("convert_types")`.
+* Minor documentation fixes.
+* Test helpers are now available in `inst/`. These are considered experimental and unstable.
 
 # mlr3pipelines 0.5.1
 

R/pipeline_convert_types.R

@@ -28,6 +28,7 @@
 #' @return [`Graph`]
 #' @export
 #' @examples
+#' library("mlr3")
 #'
 #' data_chr = data.table::data.table(
 #'   x = factor(letters[1:3]),

inst/testthat/helper_test_pipeops.R

@@ -71,7 +71,7 @@ VarargPipeop = R6Class("VarargPipeop",
   public = list(
     initialize = function(id = "vararg", innum = 0, param_vals = list()) {
       super$initialize(id, param_vals = param_vals,
-        input = data.table(name = c("...", rep_suffix("input", innum)), train = "*", predict = "*"),
+        input = data.table(name = c("...", mlr3pipelines:::rep_suffix("input", innum)), train = "*", predict = "*"),
         output = data.table(name = "output", train = "*", predict = "*")
       )
     }),

tests/testthat/helper_mlr3pipelines.R

@@ -1,5 +1,8 @@
-library(mlr3)
-library(checkmate)
-library(testthat)
+library("mlr3pipelines")
+library("checkmate")
+library("testthat")
+library("R6")
+library("mlr3misc")
+library("paradox")
 
 lapply(list.files(system.file("testthat", package = "mlr3pipelines"), pattern = "^helper.*\\.[rR]", full.names = TRUE), source)