test_that("tbl_nongroup_vars() excludes group variables", {
  gdf <- group_by(mtcars, cyl)
  expect_identical(tbl_nongroup_vars(gdf), setdiff(tbl_vars(gdf), "cyl"))

test_that("tbl_vars() records groups", {
  gdf <- group_by(mtcars, cyl, am)
  expect_s3_class(tbl_vars(gdf), "dplyr_sel_vars")
  expect_identical(tbl_vars(gdf) %@% groups, c("cyl", "am"))

Try the dplyr package in your browser

Any scripts or data that you put into this service are public.

dplyr documentation built on Nov. 17, 2023, 5:08 p.m.